Open-ILS/src/c-apps/oils_cstore.c

   1 #include "opensrf/osrf_application.h"
   2 #include "opensrf/osrf_settings.h"
   3 #include "opensrf/osrf_message.h"
   4 #include "opensrf/utils.h"
   5 #include "objson/object.h"
   6 #include "opensrf/log.h"
   7 #include "oils_idl.h"
   8 #include <dbi/dbi.h>
   9
  10 #include <time.h>
  11 #include <stdlib.h>
  12 #include <string.h>
  13 #include <unistd.h>
  14
  15 #ifdef RSTORE
  16 #  define MODULENAME "open-ils.reporter-store"
  17 #else
  18 #  define MODULENAME "open-ils.cstore"
  19 #endif
  20
  21 #define DISABLE_I18N    2
  22 #define SELECT_DISTINCT 1
  23 #define AND_OP_JOIN     0
  24 #define OR_OP_JOIN      1
  25
  26 int osrfAppChildInit();
  27 int osrfAppInitialize();
  28 void osrfAppChildExit();
  29
  30 int verifyObjectClass ( osrfMethodContext*, jsonObject* );
  31
  32 int beginTransaction ( osrfMethodContext* );
  33 int commitTransaction ( osrfMethodContext* );
  34 int rollbackTransaction ( osrfMethodContext* );
  35
  36 int setSavepoint ( osrfMethodContext* );
  37 int releaseSavepoint ( osrfMethodContext* );
  38 int rollbackSavepoint ( osrfMethodContext* );
  39
  40 int doJSONSearch ( osrfMethodContext* );
  41
  42 int dispatchCRUDMethod ( osrfMethodContext* );
  43 jsonObject* doCreate ( osrfMethodContext*, int* );
  44 jsonObject* doRetrieve ( osrfMethodContext*, int* );
  45 jsonObject* doUpdate ( osrfMethodContext*, int* );
  46 jsonObject* doDelete ( osrfMethodContext*, int* );
  47 jsonObject* doFieldmapperSearch ( osrfMethodContext*, osrfHash*, jsonObject*, int* );
  48 jsonObject* oilsMakeFieldmapperFromResult( dbi_result, osrfHash* );
  49 jsonObject* oilsMakeJSONFromResult( dbi_result );
  50
  51 char* searchWriteSimplePredicate ( const char*, osrfHash*, const char*, const char*, const char* );
  52 char* searchSimplePredicate ( const char*, const char*, osrfHash*, jsonObject* );
  53 char* searchFunctionPredicate ( const char*, osrfHash*, jsonObjectNode* );
  54 char* searchFieldTransform (const char*, osrfHash*, jsonObject*);
  55 char* searchFieldTransformPredicate ( const char*, osrfHash*, jsonObjectNode* );
  56 char* searchBETWEENPredicate ( const char*, osrfHash*, jsonObject* );
  57 char* searchINPredicate ( const char*, osrfHash*, jsonObject*, const char* );
  58 char* searchPredicate ( const char*, osrfHash*, jsonObject* );
  59 char* searchJOIN ( jsonObject*, osrfHash* );
  60 char* searchWHERE ( jsonObject*, osrfHash*, int );
  61 char* buildSELECT ( jsonObject*, jsonObject*, osrfHash*, osrfMethodContext* );
  62
  63 char* SELECT ( osrfMethodContext*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, int );
  64
  65 void userDataFree( void* );
  66 void sessionDataFree( char*, void* );
  67 char* getSourceDefinition( osrfHash* );
  68
  69 dbi_conn writehandle; /* our MASTER db connection */
  70 dbi_conn dbhandle; /* our CURRENT db connection */
  71 osrfHash readHandles;
  72 jsonObject* jsonNULL = NULL; //
  73 static int max_flesh_depth = 100;
  74
  75 /* called when this process is about to exit */
  76 void osrfAppChildExit() {
  77         osrfLogDebug(OSRF_LOG_MARK, "Child is exiting, disconnecting from database...");
  78
  79         if (writehandle) {
  80                 dbi_conn_query(writehandle, "ROLLBACK;");
  81                 dbi_conn_close(writehandle);
  82                 writehandle = NULL;
  83         }
  84
  85         if (dbhandle)
  86                 dbi_conn_close(dbhandle);
  87
  88         // XXX add cleanup of readHandles whenever that gets used
  89
  90         return;
  91 }
  92
  93 int osrfAppInitialize() {
  94         growing_buffer* method_name;
  95
  96         osrfLogInfo(OSRF_LOG_MARK, "Initializing the CStore Server...");
  97         osrfLogInfo(OSRF_LOG_MARK, "Finding XML file...");
  98
  99         if (!oilsIDLInit( osrf_settings_host_value("/IDL") )) return 1; /* return non-zero to indicate error */
 100
 101         // Generic search thingy
 102         method_name =  buffer_init(64);
 103         buffer_fadd(method_name, "%s.json_query", MODULENAME);
 104         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "doJSONSearch", "", 1, OSRF_METHOD_STREAMING );
 105
 106         // first we register all the transaction and savepoint methods
 107         buffer_reset(method_name);
 108         buffer_fadd(method_name, "%s.transaction.begin", MODULENAME);
 109         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "beginTransaction", "", 0, 0 );
 110
 111         buffer_reset(method_name);
 112         buffer_fadd(method_name, "%s.transaction.commit", MODULENAME);
 113         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "commitTransaction", "", 0, 0 );
 114
 115         buffer_reset(method_name);
 116         buffer_fadd(method_name, "%s.transaction.rollback", MODULENAME);
 117         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "rollbackTransaction", "", 0, 0 );
 118
 119
 120         buffer_reset(method_name);
 121         buffer_fadd(method_name, "%s.savepoint.set", MODULENAME);
 122         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "setSavepoint", "", 1, 0 );
 123
 124         buffer_reset(method_name);
 125         buffer_fadd(method_name, "%s.savepoint.release", MODULENAME);
 126         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "releaseSavepoint", "", 1, 0 );
 127
 128         buffer_reset(method_name);
 129         buffer_fadd(method_name, "%s.savepoint.rollback", MODULENAME);
 130         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "rollbackSavepoint", "", 1, 0 );
 131
 132         osrfStringArray* global_methods = osrfNewStringArray(6);
 133
 134         osrfStringArrayAdd( global_methods, "create" );
 135         osrfStringArrayAdd( global_methods, "retrieve" );
 136         osrfStringArrayAdd( global_methods, "update" );
 137         osrfStringArrayAdd( global_methods, "delete" );
 138         osrfStringArrayAdd( global_methods, "search" );
 139         osrfStringArrayAdd( global_methods, "id_list" );
 140
 141         int c_index = 0;
 142         char* classname;
 143         osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 144         osrfLogDebug(OSRF_LOG_MARK, "%d classes loaded", classes->size );
 145         osrfLogDebug(OSRF_LOG_MARK, "At least %d methods will be generated", classes->size * global_methods->size);
 146
 147         while ( (classname = osrfStringArrayGetString(classes, c_index++)) ) {
 148                 osrfLogInfo(OSRF_LOG_MARK, "Generating class methods for %s", classname);
 149
 150                 osrfHash* idlClass = osrfHashGet(oilsIDL(), classname);
 151
 152                 if (!osrfStringArrayContains( osrfHashGet(idlClass, "controller"), MODULENAME )) {
 153                         osrfLogInfo(OSRF_LOG_MARK, "%s is not listed as a controller for %s, moving on", MODULENAME, classname);
 154                         continue;
 155                 }
 156
 157                 char* virt = osrfHashGet(idlClass, "virtual");
 158                 if (virt && !strcmp( virt, "true")) {
 159                         osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 160                         continue;
 161                 }
 162
 163                 int i = 0;
 164                 char* method_type;
 165                 char* st_tmp;
 166                 char* _fm;
 167                 char* part;
 168                 osrfHash* method_meta;
 169                 while ( (method_type = osrfStringArrayGetString(global_methods, i++)) ) {
 170                         osrfLogDebug(OSRF_LOG_MARK, "Using files to build %s class methods for %s", method_type, classname);
 171
 172                         if (!osrfHashGet(idlClass, "fieldmapper")) continue;
 173
 174                         char* readonly = osrfHashGet(idlClass, "readonly");
 175                         if (    readonly &&
 176                                 !strncasecmp( "true", readonly, 4) &&
 177                                 ( *method_type == 's' || *method_type == 'r' || *method_type == 'i')
 178                         ) continue;
 179
 180                         method_meta = osrfNewHash();
 181                         osrfHashSet(method_meta, idlClass, "class");
 182
 183                         _fm = strdup( (char*)osrfHashGet(idlClass, "fieldmapper") );
 184                         part = strtok_r(_fm, ":", &st_tmp);
 185
 186                         growing_buffer* method_name =  buffer_init(64);
 187                         buffer_fadd(method_name, "%s.direct.%s", MODULENAME, part);
 188
 189                         while ((part = strtok_r(NULL, ":", &st_tmp))) {
 190                                 buffer_fadd(method_name, ".%s", part);
 191                         }
 192                         buffer_fadd(method_name, ".%s", method_type);
 193
 194
 195                         char* method = buffer_data(method_name);
 196                         buffer_free(method_name);
 197                         free(_fm);
 198
 199                         osrfHashSet( method_meta, method, "methodname" );
 200                         osrfHashSet( method_meta, method_type, "methodtype" );
 201
 202                         int flags = 0;
 203                         if (!(strcmp( method_type, "search" )) || !(strcmp( method_type, "id_list" ))) {
 204                                 flags = flags | OSRF_METHOD_STREAMING;
 205                         }
 206
 207                         osrfAppRegisterExtendedMethod(
 208                                 MODULENAME,
 209                                 method,
 210                                 "dispatchCRUDMethod",
 211                                 "",
 212                                 1,
 213                                 flags,
 214                                 (void*)method_meta
 215                         );
 216                 }
 217         }
 218
 219         return 0;
 220 }
 221
 222 char* getSourceDefinition( osrfHash* class ) {
 223
 224         char* tabledef = osrfHashGet(class, "tablename");
 225
 226         if (!tabledef) {
 227                 growing_buffer* tablebuf = buffer_init(128);
 228                 tabledef = osrfHashGet(class, "source_definition");
 229                 buffer_fadd( tablebuf, "(%s)", tabledef );
 230                 tabledef = buffer_data(tablebuf);
 231                 buffer_free(tablebuf);
 232         } else {
 233                 tabledef = strdup(tabledef);
 234         }
 235
 236         return tabledef;
 237 }
 238
 239 /**
 240  * Connects to the database
 241  */
 242 int osrfAppChildInit() {
 243
 244         osrfLogDebug(OSRF_LOG_MARK, "Attempting to initialize libdbi...");
 245         dbi_initialize(NULL);
 246         osrfLogDebug(OSRF_LOG_MARK, "... libdbi initialized.");
 247
 248         char* driver    = osrf_settings_host_value("/apps/%s/app_settings/driver", MODULENAME);
 249         char* user      = osrf_settings_host_value("/apps/%s/app_settings/database/user", MODULENAME);
 250         char* host      = osrf_settings_host_value("/apps/%s/app_settings/database/host", MODULENAME);
 251         char* port      = osrf_settings_host_value("/apps/%s/app_settings/database/port", MODULENAME);
 252         char* db        = osrf_settings_host_value("/apps/%s/app_settings/database/db", MODULENAME);
 253         char* pw        = osrf_settings_host_value("/apps/%s/app_settings/database/pw", MODULENAME);
 254         char* md        = osrf_settings_host_value("/apps/%s/app_settings/max_query_recursion", MODULENAME);
 255
 256         osrfLogDebug(OSRF_LOG_MARK, "Attempting to load the database driver [%s]...", driver);
 257         writehandle = dbi_conn_new(driver);
 258
 259         if(!writehandle) {
 260                 osrfLogError(OSRF_LOG_MARK, "Error loading database driver [%s]", driver);
 261                 return -1;
 262         }
 263         osrfLogDebug(OSRF_LOG_MARK, "Database driver [%s] seems OK", driver);
 264
 265         osrfLogInfo(OSRF_LOG_MARK, "%s connecting to database.  host=%s, "
 266                 "port=%s, user=%s, pw=%s, db=%s", MODULENAME, host, port, user, pw, db );
 267
 268         if(host) dbi_conn_set_option(writehandle, "host", host );
 269         if(port) dbi_conn_set_option_numeric( writehandle, "port", atoi(port) );
 270         if(user) dbi_conn_set_option(writehandle, "username", user);
 271         if(pw) dbi_conn_set_option(writehandle, "password", pw );
 272         if(db) dbi_conn_set_option(writehandle, "dbname", db );
 273
 274         if(md) max_flesh_depth = atoi(md);
 275         if(max_flesh_depth < 0) max_flesh_depth = 1;
 276         if(max_flesh_depth > 1000) max_flesh_depth = 1000;
 277
 278         free(user);
 279         free(host);
 280         free(port);
 281         free(db);
 282         free(pw);
 283
 284         const char* err;
 285         if (dbi_conn_connect(writehandle) < 0) {
 286                 sleep(1);
 287                 if (dbi_conn_connect(writehandle) < 0) {
 288                         dbi_conn_error(writehandle, &err);
 289                         osrfLogError( OSRF_LOG_MARK, "Error connecting to database: %s", err);
 290                         return -1;
 291                 }
 292         }
 293
 294         osrfLogInfo(OSRF_LOG_MARK, "%s successfully connected to the database", MODULENAME);
 295
 296         int attr;
 297         unsigned short type;
 298         int i = 0;
 299         char* classname;
 300         osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 301
 302         while ( (classname = osrfStringArrayGetString(classes, i++)) ) {
 303                 osrfHash* class = osrfHashGet( oilsIDL(), classname );
 304                 osrfHash* fields = osrfHashGet( class, "fields" );
 305
 306                 char* virt = osrfHashGet(class, "virtual");
 307                 if (virt && !strcmp( virt, "true")) {
 308                         osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 309                         continue;
 310                 }
 311
 312                 char* tabledef = getSourceDefinition(class);
 313
 314                 growing_buffer* sql_buf = buffer_init(32);
 315                 buffer_fadd( sql_buf, "SELECT * FROM %s AS x WHERE 1=0;", tabledef );
 316
 317                 free(tabledef);
 318
 319                 char* sql = buffer_data(sql_buf);
 320                 buffer_free(sql_buf);
 321                 osrfLogDebug(OSRF_LOG_MARK, "%s Investigatory SQL = %s", MODULENAME, sql);
 322
 323                 dbi_result result = dbi_conn_query(writehandle, sql);
 324                 free(sql);
 325
 326                 if (result) {
 327
 328                         int columnIndex = 1;
 329                         const char* columnName;
 330                         osrfHash* _f;
 331                         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
 332
 333                                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
 334
 335                                 /* fetch the fieldmapper index */
 336                                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
 337
 338                                         osrfLogDebug(OSRF_LOG_MARK, "Found [%s] in IDL hash...", (char*)columnName);
 339
 340                                         /* determine the field type and storage attributes */
 341                                         type = dbi_result_get_field_type(result, columnName);
 342                                         attr = dbi_result_get_field_attribs(result, columnName);
 343
 344                                         switch( type ) {
 345
 346                                                 case DBI_TYPE_INTEGER :
 347
 348                                                         if ( !osrfHashGet(_f, "primitive") )
 349                                                                 osrfHashSet(_f,"number", "primitive");
 350
 351                                                         if( attr & DBI_INTEGER_SIZE8 )
 352                                                                 osrfHashSet(_f,"INT8", "datatype");
 353                                                         else
 354                                                                 osrfHashSet(_f,"INT", "datatype");
 355                                                         break;
 356
 357                                                 case DBI_TYPE_DECIMAL :
 358                                                         if ( !osrfHashGet(_f, "primitive") )
 359                                                                 osrfHashSet(_f,"number", "primitive");
 360
 361                                                         osrfHashSet(_f,"NUMERIC", "datatype");
 362                                                         break;
 363
 364                                                 case DBI_TYPE_STRING :
 365                                                         if ( !osrfHashGet(_f, "primitive") )
 366                                                                 osrfHashSet(_f,"string", "primitive");
 367                                                         osrfHashSet(_f,"TEXT", "datatype");
 368                                                         break;
 369
 370                                                 case DBI_TYPE_DATETIME :
 371                                                         if ( !osrfHashGet(_f, "primitive") )
 372                                                                 osrfHashSet(_f,"string", "primitive");
 373
 374                                                         osrfHashSet(_f,"TIMESTAMP", "datatype");
 375                                                         break;
 376
 377                                                 case DBI_TYPE_BINARY :
 378                                                         if ( !osrfHashGet(_f, "primitive") )
 379                                                                 osrfHashSet(_f,"string", "primitive");
 380
 381                                                         osrfHashSet(_f,"BYTEA", "datatype");
 382                                         }
 383
 384                                         osrfLogDebug(
 385                                                 OSRF_LOG_MARK,
 386                                                 "Setting [%s] to primitive [%s] and datatype [%s]...",
 387                                                 (char*)columnName,
 388                                                 osrfHashGet(_f, "primitive"),
 389                                                 osrfHashGet(_f, "datatype")
 390                                         );
 391                                 }
 392                         }
 393                         dbi_result_free(result);
 394                 } else {
 395                         osrfLogDebug(OSRF_LOG_MARK, "No data found for class [%s]...", (char*)classname);
 396                 }
 397         }
 398
 399         osrfStringArrayFree(classes);
 400
 401         return 0;
 402 }
 403
 404 void userDataFree( void* blob ) {
 405         osrfHashFree( (osrfHash*)blob );
 406         return;
 407 }
 408
 409 void sessionDataFree( char* key, void* item ) {
 410         if (!(strcmp(key,"xact_id"))) {
 411                 if (writehandle)
 412                         dbi_conn_query(writehandle, "ROLLBACK;");
 413                 free(item);
 414         }
 415
 416         return;
 417 }
 418
 419 int beginTransaction ( osrfMethodContext* ctx ) {
 420         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 421
 422         dbi_result result = dbi_conn_query(writehandle, "START TRANSACTION;");
 423         if (!result) {
 424                 osrfLogError(OSRF_LOG_MARK, "%s: Error starting transaction", MODULENAME );
 425                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error starting transaction" );
 426                 return -1;
 427         } else {
 428                 jsonObject* ret = jsonNewObject(ctx->session->session_id);
 429                 osrfAppRespondComplete( ctx, ret );
 430                 jsonObjectFree(ret);
 431
 432                 if (!ctx->session->userData) {
 433                         ctx->session->userData = osrfNewHash();
 434                         ((osrfHash*)ctx->session->userData)->freeItem = &sessionDataFree;
 435                 }
 436
 437                 osrfHashSet( (osrfHash*)ctx->session->userData, strdup( ctx->session->session_id ), "xact_id" );
 438                 ctx->session->userDataFree = &userDataFree;
 439
 440         }
 441         return 0;
 442 }
 443
 444 int setSavepoint ( osrfMethodContext* ctx ) {
 445         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 446
 447         char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 448
 449         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 450                 osrfAppSessionStatus(
 451                         ctx->session,
 452                         OSRF_STATUS_INTERNALSERVERERROR,
 453                         "osrfMethodException",
 454                         ctx->request,
 455                         "No active transaction -- required for savepoints"
 456                 );
 457                 return -1;
 458         }
 459
 460         dbi_result result = dbi_conn_queryf(writehandle, "SAVEPOINT \"%s\";", spName);
 461         if (!result) {
 462                 osrfLogError(
 463                         OSRF_LOG_MARK,
 464                         "%s: Error creating savepoint %s in transaction %s",
 465                         MODULENAME,
 466                         spName,
 467                         osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 468                 );
 469                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error creating savepoint" );
 470                 return -1;
 471         } else {
 472                 jsonObject* ret = jsonNewObject(spName);
 473                 osrfAppRespondComplete( ctx, ret );
 474                 jsonObjectFree(ret);
 475         }
 476         return 0;
 477 }
 478
 479 int releaseSavepoint ( osrfMethodContext* ctx ) {
 480         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 481
 482         char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 483
 484         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 485                 osrfAppSessionStatus(
 486                         ctx->session,
 487                         OSRF_STATUS_INTERNALSERVERERROR,
 488                         "osrfMethodException",
 489                         ctx->request,
 490                         "No active transaction -- required for savepoints"
 491                 );
 492                 return -1;
 493         }
 494
 495         dbi_result result = dbi_conn_queryf(writehandle, "RELEASE SAVEPOINT \"%s\";", spName);
 496         if (!result) {
 497                 osrfLogError(
 498                         OSRF_LOG_MARK,
 499                         "%s: Error releasing savepoint %s in transaction %s",
 500                         MODULENAME,
 501                         spName,
 502                         osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 503                 );
 504                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error releasing savepoint" );
 505                 return -1;
 506         } else {
 507                 jsonObject* ret = jsonNewObject(spName);
 508                 osrfAppRespondComplete( ctx, ret );
 509                 jsonObjectFree(ret);
 510         }
 511         return 0;
 512 }
 513
 514 int rollbackSavepoint ( osrfMethodContext* ctx ) {
 515         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 516
 517         char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 518
 519         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 520                 osrfAppSessionStatus(
 521                         ctx->session,
 522                         OSRF_STATUS_INTERNALSERVERERROR,
 523                         "osrfMethodException",
 524                         ctx->request,
 525                         "No active transaction -- required for savepoints"
 526                 );
 527                 return -1;
 528         }
 529
 530         dbi_result result = dbi_conn_queryf(writehandle, "ROLLBACK TO SAVEPOINT \"%s\";", spName);
 531         if (!result) {
 532                 osrfLogError(
 533                         OSRF_LOG_MARK,
 534                         "%s: Error rolling back savepoint %s in transaction %s",
 535                         MODULENAME,
 536                         spName,
 537                         osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 538                 );
 539                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back savepoint" );
 540                 return -1;
 541         } else {
 542                 jsonObject* ret = jsonNewObject(spName);
 543                 osrfAppRespondComplete( ctx, ret );
 544                 jsonObjectFree(ret);
 545         }
 546         return 0;
 547 }
 548
 549 int commitTransaction ( osrfMethodContext* ctx ) {
 550         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 551
 552         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 553                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to commit" );
 554                 return -1;
 555         }
 556
 557         dbi_result result = dbi_conn_query(writehandle, "COMMIT;");
 558         if (!result) {
 559                 osrfLogError(OSRF_LOG_MARK, "%s: Error committing transaction", MODULENAME );
 560                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error committing transaction" );
 561                 return -1;
 562         } else {
 563                 osrfHashRemove(ctx->session->userData, "xact_id");
 564                 jsonObject* ret = jsonNewObject(ctx->session->session_id);
 565                 osrfAppRespondComplete( ctx, ret );
 566                 jsonObjectFree(ret);
 567         }
 568         return 0;
 569 }
 570
 571 int rollbackTransaction ( osrfMethodContext* ctx ) {
 572         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 573
 574         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 575                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to roll back" );
 576                 return -1;
 577         }
 578
 579         dbi_result result = dbi_conn_query(writehandle, "ROLLBACK;");
 580         if (!result) {
 581                 osrfLogError(OSRF_LOG_MARK, "%s: Error rolling back transaction", MODULENAME );
 582                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back transaction" );
 583                 return -1;
 584         } else {
 585                 osrfHashRemove(ctx->session->userData, "xact_id");
 586                 jsonObject* ret = jsonNewObject(ctx->session->session_id);
 587                 osrfAppRespondComplete( ctx, ret );
 588                 jsonObjectFree(ret);
 589         }
 590         return 0;
 591 }
 592
 593 int dispatchCRUDMethod ( osrfMethodContext* ctx ) {
 594         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 595
 596         osrfHash* meta = (osrfHash*) ctx->method->userData;
 597         osrfHash* class_obj = osrfHashGet( meta, "class" );
 598
 599         int err = 0;
 600
 601         jsonObject * obj = NULL;
 602         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "create"))
 603                 obj = doCreate(ctx, &err);
 604
 605         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "retrieve"))
 606                 obj = doRetrieve(ctx, &err);
 607
 608         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "update"))
 609                 obj = doUpdate(ctx, &err);
 610
 611         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "delete"))
 612                 obj = doDelete(ctx, &err);
 613
 614         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "search")) {
 615
 616                 obj = doFieldmapperSearch(ctx, class_obj, ctx->params, &err);
 617                 if(err) return err;
 618
 619                 jsonObjectNode* cur;
 620                 jsonObjectIterator* itr = jsonNewObjectIterator( obj );
 621                 while ((cur = jsonObjectIteratorNext( itr ))) {
 622                         osrfAppRespond( ctx, jsonObjectClone(cur->item) );
 623                 }
 624                 jsonObjectIteratorFree(itr);
 625                 osrfAppRespondComplete( ctx, NULL );
 626
 627         } else if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "id_list")) {
 628
 629                 jsonObject* _p = jsonObjectClone( ctx->params );
 630                 if (jsonObjectGetIndex( _p, 1 )) {
 631                         jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh" );
 632                         jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh_columns" );
 633                 } else {
 634                         jsonObjectSetIndex( _p, 1, jsonParseString("{}") );
 635                 }
 636
 637                 growing_buffer* sel_list = buffer_init(16);
 638                 buffer_fadd(sel_list, "{ \"%s\":[\"%s\"] }", osrfHashGet( class_obj, "classname" ), osrfHashGet( class_obj, "primarykey" ));
 639                 char* _s = buffer_data(sel_list);
 640                 buffer_free(sel_list);
 641
 642                 jsonObjectSetKey( jsonObjectGetIndex( _p, 1 ), "select", jsonParseString(_s) );
 643                 osrfLogDebug(OSRF_LOG_MARK, "%s: Select qualifer set to [%s]", MODULENAME, _s);
 644                 free(_s);
 645
 646                 obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 647                 if(err) return err;
 648
 649                 jsonObjectNode* cur;
 650                 jsonObjectIterator* itr = jsonNewObjectIterator( obj );
 651                 while ((cur = jsonObjectIteratorNext( itr ))) {
 652                         osrfAppRespond(
 653                                 ctx,
 654                                 jsonObjectClone(
 655                                         jsonObjectGetIndex(
 656                                                 cur->item,
 657                                                 atoi(
 658                                                         osrfHashGet(
 659                                                                 osrfHashGet(
 660                                                                         osrfHashGet( class_obj, "fields" ),
 661                                                                         osrfHashGet( class_obj, "primarykey")
 662                                                                 ),
 663                                                                 "array_position"
 664                                                         )
 665                                                 )
 666                                         )
 667                                 )
 668                         );
 669                 }
 670                 jsonObjectIteratorFree(itr);
 671                 osrfAppRespondComplete( ctx, NULL );
 672
 673         } else {
 674                 osrfAppRespondComplete( ctx, obj );
 675         }
 676
 677         jsonObjectFree(obj);
 678
 679         return err;
 680 }
 681
 682 int verifyObjectClass ( osrfMethodContext* ctx, jsonObject* param ) {
 683
 684         osrfHash* meta = (osrfHash*) ctx->method->userData;
 685         osrfHash* class = osrfHashGet( meta, "class" );
 686
 687         if (!param->classname || (strcmp( osrfHashGet(class, "classname"), param->classname ))) {
 688
 689                 growing_buffer* msg = buffer_init(128);
 690                 buffer_fadd(
 691                         msg,
 692                         "%s: %s method for type %s was passed a %s",
 693                         MODULENAME,
 694                         osrfHashGet(meta, "methodtype"),
 695                         osrfHashGet(class, "classname"),
 696                         param->classname
 697                 );
 698
 699                 char* m = buffer_data(msg);
 700                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 701
 702                 buffer_free(msg);
 703                 free(m);
 704
 705                 return 0;
 706         }
 707         return 1;
 708 }
 709
 710 jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
 711
 712         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
 713         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
 714         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
 715
 716         if (!verifyObjectClass(ctx, target)) {
 717                 *err = -1;
 718                 return jsonNULL;
 719         }
 720
 721         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
 722
 723         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 724                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
 725
 726                 osrfAppSessionStatus(
 727                         ctx->session,
 728                         OSRF_STATUS_BADREQUEST,
 729                         "osrfMethodException",
 730                         ctx->request,
 731                         "No active transaction -- required for CREATE"
 732                 );
 733                 *err = -1;
 734                 return jsonNULL;
 735         }
 736
 737         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
 738                 osrfAppSessionStatus(
 739                         ctx->session,
 740                         OSRF_STATUS_BADREQUEST,
 741                         "osrfMethodException",
 742                         ctx->request,
 743                         "Cannot INSERT readonly class"
 744                 );
 745                 *err = -1;
 746                 return jsonNULL;
 747         }
 748
 749
 750         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
 751
 752         // Set the last_xact_id
 753         osrfHash* last_xact_id;
 754         if ((last_xact_id = oilsIDLFindPath("/%s/fields/last_xact_id", target->classname))) {
 755                 int index = atoi( osrfHashGet(last_xact_id, "array_position") );
 756                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
 757                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
 758         }
 759
 760         osrfLogDebug( OSRF_LOG_MARK, "There is a transaction running..." );
 761
 762         dbhandle = writehandle;
 763
 764         osrfHash* fields = osrfHashGet(meta, "fields");
 765         char* pkey = osrfHashGet(meta, "primarykey");
 766         char* seq = osrfHashGet(meta, "sequence");
 767
 768         growing_buffer* table_buf = buffer_init(128);
 769         growing_buffer* col_buf = buffer_init(128);
 770         growing_buffer* val_buf = buffer_init(128);
 771
 772         buffer_fadd(table_buf,"INSERT INTO %s", osrfHashGet(meta, "tablename"));
 773         buffer_add(col_buf,"(");
 774         buffer_add(val_buf,"VALUES (");
 775
 776
 777         int i = 0;
 778         int first = 1;
 779         char* field_name;
 780         osrfStringArray* field_list = osrfHashKeys( fields );
 781         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
 782
 783                 osrfHash* field = osrfHashGet( fields, field_name );
 784
 785                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
 786
 787                 jsonObject* field_object = jsonObjectGetIndex( target, atoi(osrfHashGet(field, "array_position")) );
 788
 789                 char* value;
 790                 if (field_object && field_object->classname) {
 791                         value = jsonObjectToSimpleString(
 792                                         jsonObjectGetIndex(
 793                                                 field_object,
 794                                                 atoi(
 795                                                         osrfHashGet(
 796                                                                 osrfHashGet(
 797                                                                         oilsIDLFindPath("/%s/fields", field_object->classname),
 798                                                                         (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
 799                                                                 ),
 800                                                                 "array_position"
 801                                                         )
 802                                                 )
 803                                         )
 804                                 );
 805
 806                 } else {
 807                         value = jsonObjectToSimpleString( field_object );
 808                 }
 809
 810
 811                 if (first) {
 812                         first = 0;
 813                 } else {
 814                         buffer_add(col_buf, ",");
 815                         buffer_add(val_buf, ",");
 816                 }
 817
 818                 buffer_add(col_buf, field_name);
 819
 820                 if (!field_object || field_object->type == JSON_NULL) {
 821                         buffer_add( val_buf, "DEFAULT" );
 822
 823                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
 824                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
 825                                 buffer_fadd( val_buf, "%lld", atoll(value) );
 826
 827                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
 828                                 buffer_fadd( val_buf, "%d", atoi(value) );
 829
 830                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
 831                                 buffer_fadd( val_buf, "%f", atof(value) );
 832                         }
 833                 } else {
 834                         if ( dbi_conn_quote_string(writehandle, &value) ) {
 835                                 buffer_fadd( val_buf, "%s", value );
 836
 837                         } else {
 838                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
 839                                 osrfAppSessionStatus(
 840                                         ctx->session,
 841                                         OSRF_STATUS_INTERNALSERVERERROR,
 842                                         "osrfMethodException",
 843                                         ctx->request,
 844                                         "Error quoting string -- please see the error log for more details"
 845                                 );
 846                                 free(value);
 847                                 buffer_free(table_buf);
 848                                 buffer_free(col_buf);
 849                                 buffer_free(val_buf);
 850                                 *err = -1;
 851                                 return jsonNULL;
 852                         }
 853                 }
 854
 855                 free(value);
 856
 857         }
 858
 859
 860         buffer_add(col_buf,")");
 861         buffer_add(val_buf,")");
 862
 863         growing_buffer* sql = buffer_init(128);
 864         buffer_fadd(
 865                 sql,
 866                 "%s %s %s;",
 867                 buffer_data(table_buf),
 868                 buffer_data(col_buf),
 869                 buffer_data(val_buf)
 870         );
 871         buffer_free(table_buf);
 872         buffer_free(col_buf);
 873         buffer_free(val_buf);
 874
 875         char* query = buffer_data(sql);
 876         buffer_free(sql);
 877
 878         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
 879
 880
 881         dbi_result result = dbi_conn_query(writehandle, query);
 882
 883         jsonObject* obj = NULL;
 884
 885         if (!result) {
 886                 obj = jsonNewObject(NULL);
 887                 osrfLogError(
 888                         OSRF_LOG_MARK,
 889                         "%s ERROR inserting %s object using query [%s]",
 890                         MODULENAME,
 891                         osrfHashGet(meta, "fieldmapper"),
 892                         query
 893                 );
 894                 osrfAppSessionStatus(
 895                         ctx->session,
 896                         OSRF_STATUS_INTERNALSERVERERROR,
 897                         "osrfMethodException",
 898                         ctx->request,
 899                         "INSERT error -- please see the error log for more details"
 900                 );
 901                 *err = -1;
 902         } else {
 903
 904                 int pos = atoi(osrfHashGet( osrfHashGet(fields, pkey), "array_position" ));
 905                 char* id = jsonObjectToSimpleString(jsonObjectGetIndex(target, pos));
 906                 if (!id) {
 907                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
 908                         growing_buffer* _id = buffer_init(10);
 909                         buffer_fadd(_id, "%lld", new_id);
 910                         id = buffer_data(_id);
 911                         buffer_free(_id);
 912                 }
 913
 914                 if (    !options
 915                         || !jsonObjectGetKey( options, "quiet")
 916                         || strcmp( jsonObjectToSimpleString(jsonObjectGetKey( options, "quiet")), "true" )
 917                 ) {
 918
 919                         jsonObject* fake_params = jsonParseString("[]");
 920                         jsonObjectPush(fake_params, jsonParseString("{}"));
 921
 922                         jsonObjectSetKey(
 923                                 jsonObjectGetIndex(fake_params, 0),
 924                                 osrfHashGet(meta, "primarykey"),
 925                                 jsonNewObject(id)
 926                         );
 927
 928                         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
 929
 930                         if(*err) {
 931                                 jsonObjectFree( fake_params );
 932                                 obj = jsonNULL;
 933                         } else {
 934                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
 935                         }
 936
 937                         jsonObjectFree( list );
 938                         jsonObjectFree( fake_params );
 939
 940                 } else {
 941                         obj = jsonNewObject(id);
 942                 }
 943
 944         }
 945
 946         free(query);
 947
 948         return obj;
 949
 950 }
 951
 952
 953 jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
 954
 955         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
 956
 957         jsonObject* obj;
 958
 959         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 960         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, 1);
 961
 962         osrfLogDebug(
 963                 OSRF_LOG_MARK,
 964                 "%s retrieving %s object with id %s",
 965                 MODULENAME,
 966                 osrfHashGet(meta, "fieldmapper"),
 967                 id
 968         );
 969
 970         jsonObject* fake_params = jsonParseString("[]");
 971         jsonObjectPush(fake_params, jsonParseString("{}"));
 972
 973         jsonObjectSetKey(
 974                 jsonObjectGetIndex(fake_params, 0),
 975                 osrfHashGet(meta, "primarykey"),
 976                 jsonParseString(id)
 977         );
 978
 979         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
 980
 981         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
 982
 983         if(*err) {
 984                 jsonObjectFree( fake_params );
 985                 return jsonNULL;
 986         }
 987
 988         obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
 989
 990         jsonObjectFree( list );
 991         jsonObjectFree( fake_params );
 992
 993         return obj;
 994 }
 995
 996 char* jsonNumberToDBString ( osrfHash* field, jsonObject* value ) {
 997         growing_buffer* val_buf = buffer_init(32);
 998
 999         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1000                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
1001                 else buffer_fadd( val_buf, "%ld", atol(jsonObjectToSimpleString(value)) );
1002
1003         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1004                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
1005                 else buffer_fadd( val_buf, "%f", atof(jsonObjectToSimpleString(value)) );
1006         }
1007
1008         char* pred = buffer_data(val_buf);
1009         buffer_free(val_buf);
1010
1011         return pred;
1012 }
1013
1014 char* searchINPredicate (const char* class, osrfHash* field, jsonObject* node, const char* op) {
1015         growing_buffer* sql_buf = buffer_init(32);
1016
1017         buffer_fadd(
1018                 sql_buf,
1019                 "\"%s\".%s ",
1020                 class,
1021                 osrfHashGet(field, "name")
1022         );
1023
1024         if (!op) {
1025                 buffer_add(sql_buf, "IN (");
1026         } else if (!(strcasecmp(op,"not in"))) {
1027                 buffer_add(sql_buf, "NOT IN (");
1028         } else {
1029                 buffer_add(sql_buf, "IN (");
1030         }
1031
1032         int in_item_index = 0;
1033         int in_item_first = 1;
1034         jsonObject* in_item;
1035         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
1036
1037                 if (in_item_first)
1038                         in_item_first = 0;
1039                 else
1040                         buffer_add(sql_buf, ", ");
1041
1042                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1043                         char* val = jsonNumberToDBString( field, in_item );
1044                         buffer_fadd( sql_buf, "%s", val );
1045                         free(val);
1046
1047                 } else {
1048                         char* key_string = jsonObjectToSimpleString(in_item);
1049                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
1050                                 buffer_fadd( sql_buf, "%s", key_string );
1051                                 free(key_string);
1052                         } else {
1053                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
1054                                 free(key_string);
1055                                 buffer_free(sql_buf);
1056                                 return NULL;
1057                         }
1058                 }
1059         }
1060
1061         buffer_add(
1062                 sql_buf,
1063                 ")"
1064         );
1065
1066         char* pred = buffer_data(sql_buf);
1067         buffer_free(sql_buf);
1068
1069         return pred;
1070 }
1071
1072 char* searchValueTransform( jsonObject* array ) {
1073         growing_buffer* sql_buf = buffer_init(32);
1074
1075         char* val = NULL;
1076         int func_item_index = 0;
1077         int func_item_first = 2;
1078         jsonObject* func_item;
1079         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1080
1081                 val = jsonObjectToSimpleString(func_item);
1082
1083                 if (func_item_first == 2) {
1084                         buffer_fadd(sql_buf, "%s( ", val);
1085                         free(val);
1086                         func_item_first--;
1087                         continue;
1088                 }
1089
1090                 if (func_item_first)
1091                         func_item_first--;
1092                 else
1093                         buffer_add(sql_buf, ", ");
1094
1095                 if ( dbi_conn_quote_string(dbhandle, &val) ) {
1096                         buffer_fadd( sql_buf, "%s", val );
1097                         free(val);
1098                 } else {
1099                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1100                         free(val);
1101                         buffer_free(sql_buf);
1102                         return NULL;
1103                 }
1104         }
1105
1106         buffer_add(
1107                 sql_buf,
1108                 " )"
1109         );
1110
1111         char* pred = buffer_data(sql_buf);
1112         buffer_free(sql_buf);
1113
1114         return pred;
1115 }
1116
1117 char* searchFunctionPredicate (const char* class, osrfHash* field, jsonObjectNode* node) {
1118         growing_buffer* sql_buf = buffer_init(32);
1119
1120         char* val = searchValueTransform(node->item);
1121
1122         buffer_fadd(
1123                 sql_buf,
1124                 "\"%s\".%s %s %s",
1125                 class,
1126                 osrfHashGet(field, "name"),
1127                 node->key,
1128                 val
1129         );
1130
1131         char* pred = buffer_data(sql_buf);
1132         buffer_free(sql_buf);
1133         free(val);
1134
1135         return pred;
1136 }
1137
1138 char* searchFieldTransform (const char* class, osrfHash* field, jsonObject* node) {
1139         growing_buffer* sql_buf = buffer_init(32);
1140
1141         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKey( node, "transform" ) );
1142
1143         if (field_transform)
1144                 buffer_fadd( sql_buf, "%s(\"%s\".%s)", field_transform, class, osrfHashGet(field, "name"));
1145         else
1146                 buffer_fadd( sql_buf, "\"%s\".%s", class, osrfHashGet(field, "name"));
1147
1148         char* pred = buffer_data(sql_buf);
1149         buffer_free(sql_buf);
1150
1151         if (field_transform) free(field_transform);
1152
1153         return pred;
1154 }
1155
1156 char* searchFieldTransformPredicate (const char* class, osrfHash* field, jsonObjectNode* node) {
1157         growing_buffer* sql_buf = buffer_init(32);
1158
1159         char* field_transform = searchFieldTransform( class, field, node->item );
1160         char* value = NULL;
1161
1162         if (!jsonObjectGetKey( node->item, "value" )) {
1163                 value = searchWHERE( node->item, osrfHashGet( oilsIDL(), class ), AND_OP_JOIN );
1164         } else if (jsonObjectGetKey( node->item, "value" )->type == JSON_ARRAY) {
1165                 value = searchValueTransform(jsonObjectGetKey( node->item, "value" ));
1166         } else if (jsonObjectGetKey( node->item, "value" )->type == JSON_HASH) {
1167                 value = searchWHERE( jsonObjectGetKey( node->item, "value" ), osrfHashGet( oilsIDL(), class ), AND_OP_JOIN );
1168         } else if (jsonObjectGetKey( node->item, "value" )->type != JSON_NULL) {
1169                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1170                         value = jsonNumberToDBString( field, jsonObjectGetKey( node->item, "value" ) );
1171                 } else {
1172                         value = jsonObjectToSimpleString(jsonObjectGetKey( node->item, "value" ));
1173                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1174                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1175                                 free(value);
1176                                 return NULL;
1177                         }
1178                 }
1179         }
1180
1181         buffer_fadd(
1182                 sql_buf,
1183                 "%s %s %s",
1184                 field_transform,
1185                 node->key,
1186                 value
1187         );
1188
1189         char* pred = buffer_data(sql_buf);
1190         buffer_free(sql_buf);
1191         free(field_transform);
1192
1193         return pred;
1194 }
1195
1196 char* searchSimplePredicate (const char* orig_op, const char* class, osrfHash* field, jsonObject* node) {
1197
1198         char* val = NULL;
1199
1200         if (node->type != JSON_NULL) {
1201                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1202                         val = jsonNumberToDBString( field, node );
1203                 } else {
1204                         val = jsonObjectToSimpleString(node);
1205                 }
1206         }
1207
1208         char* pred = searchWriteSimplePredicate( class, field, osrfHashGet(field, "name"), orig_op, val );
1209
1210         if (val) free(val);
1211
1212         return pred;
1213 }
1214
1215 char* searchWriteSimplePredicate ( const char* class, osrfHash* field, const char* left, const char* orig_op, const char* right ) {
1216
1217         char* val = NULL;
1218         char* op = NULL;
1219         if (right == NULL) {
1220                 val = strdup("NULL");
1221
1222                 if (strcmp( orig_op, "=" ))
1223                         op = strdup("IS NOT");
1224                 else
1225                         op = strdup("IS");
1226
1227         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1228                 val = strdup(right);
1229                 op = strdup(orig_op);
1230
1231         } else {
1232                 val = strdup(right);
1233                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1234                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1235                         free(val);
1236                         return NULL;
1237                 }
1238                 op = strdup(orig_op);
1239         }
1240
1241         growing_buffer* sql_buf = buffer_init(16);
1242         buffer_fadd( sql_buf, "\"%s\".%s %s %s", class, left, op, val );
1243         free(val);
1244         free(op);
1245
1246         char* pred = buffer_data(sql_buf);
1247         buffer_free(sql_buf);
1248
1249         return pred;
1250
1251 }
1252
1253 char* searchBETWEENPredicate (const char* class, osrfHash* field, jsonObject* node) {
1254
1255         char* x_string;
1256         char* y_string;
1257
1258         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1259                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1260                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1261
1262         } else {
1263                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1264                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1265                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1266                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1267                         free(x_string);
1268                         free(y_string);
1269                         return NULL;
1270                 }
1271         }
1272
1273         growing_buffer* sql_buf = buffer_init(32);
1274         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1275         free(x_string);
1276         free(y_string);
1277
1278         char* pred = buffer_data(sql_buf);
1279         buffer_free(sql_buf);
1280
1281         return pred;
1282 }
1283
1284 char* searchPredicate ( const char* class, osrfHash* field, jsonObject* node ) {
1285
1286         char* pred = NULL;
1287         if (node->type == JSON_ARRAY) { // equality IN search
1288                 pred = searchINPredicate( class, field, node, NULL );
1289         } else if (node->type == JSON_HASH) { // non-equality search
1290                 jsonObjectNode* pred_node;
1291                 jsonObjectIterator* pred_itr = jsonNewObjectIterator( node );
1292                 while ( (pred_node = jsonObjectIteratorNext( pred_itr )) ) {
1293                         if ( !(strcasecmp( pred_node->key,"between" )) )
1294                                 pred = searchBETWEENPredicate( class, field, pred_node->item );
1295                         else if ( !(strcasecmp( pred_node->key,"in" )) || !(strcasecmp( pred_node->key,"not in" )) )
1296                                 pred = searchINPredicate( class, field, pred_node->item, pred_node->key );
1297                         else if ( pred_node->item->type == JSON_ARRAY )
1298                                 pred = searchFunctionPredicate( class, field, pred_node );
1299                         else if ( pred_node->item->type == JSON_HASH )
1300                                 pred = searchFieldTransformPredicate( class, field, pred_node );
1301                         else
1302                                 pred = searchSimplePredicate( pred_node->key, class, field, pred_node->item );
1303
1304                         break;
1305                 }
1306         } else if (node->type == JSON_NULL) { // IS NULL search
1307                 growing_buffer* _p = buffer_init(16);
1308                 buffer_fadd(
1309                         _p,
1310                         "\"%s\".%s IS NULL",
1311                         class,
1312                         osrfHashGet(field, "name")
1313                 );
1314                 pred = buffer_data(_p);
1315                 buffer_free(_p);
1316         } else { // equality search
1317                 pred = searchSimplePredicate( "=", class, field, node );
1318         }
1319
1320         return pred;
1321
1322 }
1323
1324
1325 /*
1326
1327 join : {
1328         acn : {
1329                 field : record,
1330                 fkey : id
1331                 type : left
1332                 filter_op : or
1333                 filter : { ... },
1334                 join : {
1335                         acp : {
1336                                 field : call_number,
1337                                 fkey : id,
1338                                 filter : { ... },
1339                         },
1340                 },
1341         },
1342         mrd : {
1343                 field : record,
1344                 type : inner
1345                 fkey : id,
1346                 filter : { ... },
1347         }
1348 }
1349
1350 */
1351
1352 char* searchJOIN ( jsonObject* join_hash, osrfHash* leftmeta ) {
1353
1354         if (join_hash->type == JSON_STRING) {
1355                 char* __tmp = jsonObjectToSimpleString( join_hash );
1356                 join_hash = jsonParseString("{}");
1357                 jsonObjectSetKey(join_hash, __tmp, NULL);
1358                 free(__tmp);
1359         }
1360
1361         growing_buffer* join_buf = buffer_init(128);
1362         char* leftclass = osrfHashGet(leftmeta, "classname");
1363
1364         jsonObjectNode* snode = NULL;
1365         jsonObjectIterator* search_itr = jsonNewObjectIterator( join_hash );
1366         while ( (snode = jsonObjectIteratorNext( search_itr )) ) {
1367                 osrfHash* idlClass = osrfHashGet( oilsIDL(), snode->key );
1368
1369                 char* class = osrfHashGet(idlClass, "classname");
1370
1371                 char* table = getSourceDefinition(idlClass);
1372                 char* type = jsonObjectToSimpleString( jsonObjectGetKey( snode->item, "type" ) );
1373                 char* filter_op = jsonObjectToSimpleString( jsonObjectGetKey( snode->item, "filter_op" ) );
1374                 char* fkey = jsonObjectToSimpleString( jsonObjectGetKey( snode->item, "fkey" ) );
1375                 char* field = jsonObjectToSimpleString( jsonObjectGetKey( snode->item, "field" ) );
1376
1377                 jsonObject* filter = jsonObjectGetKey( snode->item, "filter" );
1378                 jsonObject* join_filter = jsonObjectGetKey( snode->item, "join" );
1379
1380                 if (field && !fkey) {
1381                         fkey = (char*)oilsIDLFindPath("/%s/links/%s/key", class, field);
1382                         if (!fkey) {
1383                                 osrfLogError(
1384                                         OSRF_LOG_MARK,
1385                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1386                                         MODULENAME,
1387                                         class,
1388                                         field,
1389                                         leftclass
1390                                 );
1391                                 buffer_free(join_buf);
1392                                 return NULL;
1393                         }
1394                         fkey = strdup( fkey );
1395
1396                 } else if (!field && fkey) {
1397                         field = (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey );
1398                         if (!field) {
1399                                 osrfLogError(
1400                                         OSRF_LOG_MARK,
1401                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1402                                         MODULENAME,
1403                                         leftclass,
1404                                         fkey,
1405                                         class
1406                                 );
1407                                 buffer_free(join_buf);
1408                                 return NULL;
1409                         }
1410                         field = strdup( field );
1411
1412                 } else if (!field && !fkey) {
1413                         osrfHash* _links = oilsIDLFindPath("/%s/links", leftclass);
1414
1415                         int i = 0;
1416                         osrfStringArray* keys = osrfHashKeys( _links );
1417                         while ( (fkey = osrfStringArrayGetString(keys, i++)) ) {
1418                                 fkey = strdup(osrfStringArrayGetString(keys, i++));
1419                                 if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", leftclass, fkey), class) ) {
1420                                         field = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey) );
1421                                         break;
1422                                 } else {
1423                                         free(fkey);
1424                                 }
1425                         }
1426                         osrfStringArrayFree(keys);
1427
1428                         if (!field && !fkey) {
1429                                 _links = oilsIDLFindPath("/%s/links", class);
1430
1431                                 i = 0;
1432                                 keys = osrfHashKeys( _links );
1433                                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
1434                                         field = strdup(osrfStringArrayGetString(keys, i++));
1435                                         if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", class, field), class) ) {
1436                                                 fkey = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", class, field) );
1437                                                 break;
1438                                         } else {
1439                                                 free(field);
1440                                         }
1441                                 }
1442                                 osrfStringArrayFree(keys);
1443                         }
1444
1445                         if (!field && !fkey) {
1446                                 osrfLogError(
1447                                         OSRF_LOG_MARK,
1448                                         "%s: JOIN failed.  No link defined between %s and %s",
1449                                         MODULENAME,
1450                                         leftclass,
1451                                         class
1452                                 );
1453                                 buffer_free(join_buf);
1454                                 return NULL;
1455                         }
1456
1457                 }
1458
1459                 if (type) {
1460                         if ( !strcasecmp(type,"left") ) {
1461                                 buffer_add(join_buf, " LEFT JOIN");
1462                         } else if ( !strcasecmp(type,"right") ) {
1463                                 buffer_add(join_buf, " RIGHT JOIN");
1464                         } else if ( !strcasecmp(type,"full") ) {
1465                                 buffer_add(join_buf, " FULL JOIN");
1466                         } else {
1467                                 buffer_add(join_buf, " INNER JOIN");
1468                         }
1469                 } else {
1470                         buffer_add(join_buf, " INNER JOIN");
1471                 }
1472
1473                 buffer_fadd(join_buf, " %s AS \"%s\" ON ( \"%s\".%s = \"%s\".%s", table, class, class, field, leftclass, fkey);
1474                 free(table);
1475
1476                 if (filter) {
1477                         if (filter_op) {
1478                                 if (!strcasecmp("or",filter_op)) {
1479                                         buffer_add( join_buf, " OR " );
1480                                 } else {
1481                                         buffer_add( join_buf, " AND " );
1482                                 }
1483                         } else {
1484                                 buffer_add( join_buf, " AND " );
1485                         }
1486
1487                         char* jpred = searchWHERE( filter, idlClass, AND_OP_JOIN );
1488                         buffer_fadd( join_buf, " %s", jpred );
1489                         free(jpred);
1490                 }
1491
1492                 buffer_add(join_buf, " ) ");
1493
1494                 if (join_filter) {
1495                         char* jpred = searchJOIN( join_filter, idlClass );
1496                         buffer_fadd( join_buf, " %s", jpred );
1497                         free(jpred);
1498                 }
1499
1500                 free(type);
1501                 free(filter_op);
1502                 free(fkey);
1503                 free(field);
1504         }
1505
1506         char* join_string = buffer_data(join_buf);
1507         buffer_free(join_buf);
1508         return join_string;
1509 }
1510
1511 /*
1512
1513 { +class : { -or|-and : { field : { op : value }, ... }, ... }, ... }
1514
1515 */
1516 char* searchWHERE ( jsonObject* search_hash, osrfHash* meta, int opjoin_type ) {
1517
1518         growing_buffer* sql_buf = buffer_init(128);
1519
1520         jsonObjectNode* node = NULL;
1521
1522         int first = 1;
1523         jsonObjectIterator* search_itr = jsonNewObjectIterator( search_hash );
1524         while ( (node = jsonObjectIteratorNext( search_itr )) ) {
1525
1526                 if (first) {
1527                         first = 0;
1528                 } else {
1529                         if (opjoin_type == 1) buffer_add(sql_buf, " OR ");
1530                         else buffer_add(sql_buf, " AND ");
1531                 }
1532
1533                 if ( !strncmp("+",node->key,1) ) {
1534                         if ( node->item->type == JSON_STRING ) {
1535                                 char* subpred = jsonObjectToSimpleString( node->item );
1536                                 buffer_fadd(sql_buf, " \"%s\".%s ", node->key + 1, subpred);
1537                                 free(subpred);
1538                         } else {
1539                                 char* subpred = searchWHERE( node->item, osrfHashGet( oilsIDL(), node->key + 1 ), AND_OP_JOIN );
1540                                 buffer_fadd(sql_buf, "( %s )", subpred);
1541                                 free(subpred);
1542                         }
1543                 } else if ( !strcasecmp("-or",node->key) ) {
1544                         char* subpred = searchWHERE( node->item, meta, OR_OP_JOIN );
1545                         buffer_fadd(sql_buf, "( %s )", subpred);
1546                         free(subpred);
1547                 } else if ( !strcasecmp("-and",node->key) ) {
1548                         char* subpred = searchWHERE( node->item, meta, AND_OP_JOIN );
1549                         buffer_fadd(sql_buf, "( %s )", subpred);
1550                         free(subpred);
1551                 } else {
1552
1553                         char* class = osrfHashGet(meta, "classname");
1554                         osrfHash* fields = osrfHashGet(meta, "fields");
1555                         osrfHash* field = osrfHashGet( fields, node->key );
1556
1557
1558                         if (!field) {
1559                                 char* table = getSourceDefinition(meta);
1560                                 osrfLogError(
1561                                         OSRF_LOG_MARK,
1562                                         "%s: Attempt to reference non-existant column %s on %s (%s)",
1563                                         MODULENAME,
1564                                         node->key,
1565                                         table,
1566                                         class
1567                                 );
1568                                 buffer_free(sql_buf);
1569                                 free(table);
1570                                 return NULL;
1571                         }
1572
1573                         char* subpred = searchPredicate( class, field, node->item );
1574                         buffer_add( sql_buf, subpred );
1575                         free(subpred);
1576                 }
1577         }
1578
1579         jsonObjectIteratorFree(search_itr);
1580
1581         char* pred = buffer_data(sql_buf);
1582         buffer_free(sql_buf);
1583
1584         return pred;
1585 }
1586
1587 char* SELECT (
1588                 /* method context */ osrfMethodContext* ctx,
1589
1590                 /* SELECT   */ jsonObject* selhash,
1591                 /* FROM     */ jsonObject* join_hash,
1592                 /* WHERE    */ jsonObject* search_hash,
1593                 /* ORDER BY */ jsonObject* order_hash,
1594                 /* LIMIT    */ jsonObject* limit,
1595                 /* OFFSET   */ jsonObject* offset,
1596                 /* flags    */ int flags
1597 ) {
1598         char* locale = osrf_message_get_last_locale();
1599
1600         // in case we don't get a select list
1601         jsonObject* defaultselhash = NULL;
1602
1603         // general tmp objects
1604         jsonObject* __tmp = NULL;
1605         jsonObjectNode* selclass = NULL;
1606         jsonObjectNode* selfield = NULL;
1607         jsonObjectNode* snode = NULL;
1608         jsonObjectNode* onode = NULL;
1609         jsonObject* found = NULL;
1610
1611         char* string = NULL;
1612         int first = 1;
1613         int gfirst = 1;
1614         //int hfirst = 1;
1615
1616         // return variable for the SQL
1617         char* sql = NULL;
1618
1619         // the core search class
1620         char* core_class = NULL;
1621
1622         // metadata about the core search class
1623         osrfHash* core_meta = NULL;
1624         osrfHash* core_fields = NULL;
1625         osrfHash* idlClass = NULL;
1626
1627         // the query buffer
1628         growing_buffer* sql_buf = buffer_init(128);
1629
1630         // temp buffer for the SELECT list
1631         growing_buffer* select_buf = buffer_init(128);
1632         growing_buffer* order_buf = buffer_init(128);
1633         growing_buffer* group_buf = buffer_init(128);
1634         growing_buffer* having_buf = buffer_init(128);
1635
1636         // punt if there's no core class
1637         if (!join_hash || ( join_hash->type == JSON_HASH && !join_hash->size ))
1638                 return NULL;
1639
1640         // get the core class -- the only key of the top level FROM clause, or a string
1641         if (join_hash->type == JSON_HASH) {
1642                 jsonObjectIterator* tmp_itr = jsonNewObjectIterator( join_hash );
1643                 snode = jsonObjectIteratorNext( tmp_itr );
1644
1645                 core_class = strdup( snode->key );
1646                 join_hash = snode->item;
1647
1648                 jsonObjectIteratorFree( tmp_itr );
1649                 snode = NULL;
1650
1651         } else if (join_hash->type == JSON_STRING) {
1652                 core_class = jsonObjectToSimpleString( join_hash );
1653                 join_hash = NULL;
1654         }
1655
1656         // punt if we don't know about the core class
1657         if (!(core_meta = osrfHashGet( oilsIDL(), core_class )))
1658                 return NULL;
1659
1660         core_fields = osrfHashGet(core_meta, "fields");
1661
1662         // if the select list is empty, or the core class field list is '*',
1663         // build the default select list ...
1664         if (!selhash) {
1665                 selhash = defaultselhash = jsonParseString( "{}" );
1666                 jsonObjectSetKey( selhash, core_class, jsonParseString( "[]" ) );
1667         } else if ( (__tmp = jsonObjectGetKey( selhash, core_class )) && __tmp->type == JSON_STRING ) {
1668                 char* __x = jsonObjectToSimpleString( __tmp );
1669                 if (!strncmp( "*", __x, 1 )) {
1670                         jsonObjectRemoveKey( selhash, core_class );
1671                         jsonObjectSetKey( selhash, core_class, jsonParseString( "[]" ) );
1672                 }
1673                 free(__x);
1674         }
1675
1676         // ... and if we /are/ building the default list, do that
1677         if ( (__tmp = jsonObjectGetKey(selhash,core_class)) && !__tmp->size ) {
1678
1679                 int i = 0;
1680                 char* field;
1681
1682                 osrfStringArray* keys = osrfHashKeys( core_fields );
1683                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
1684                         if ( strncasecmp( "true", osrfHashGet( osrfHashGet( core_fields, field ), "virtual" ), 4 ) )
1685                                 jsonObjectPush( __tmp, jsonNewObject( field ) );
1686                 }
1687                 osrfStringArrayFree(keys);
1688         }
1689
1690         // Now we build the acutal select list
1691         int sel_pos = 1;
1692         jsonObject* is_agg = jsonObjectFindPath(selhash, "//aggregate");
1693         first = 1;
1694         gfirst = 1;
1695         jsonObjectIterator* selclass_itr = jsonNewObjectIterator( selhash );
1696         while ( (selclass = jsonObjectIteratorNext( selclass_itr )) ) {
1697
1698                 // round trip through the idl, just to be safe
1699                 idlClass = osrfHashGet( oilsIDL(), selclass->key );
1700                 if (!idlClass) continue;
1701                 char* cname = osrfHashGet(idlClass, "classname");
1702
1703                 // make sure the target relation is in the join tree
1704                 if (strcmp(core_class,cname)) {
1705                         if (!join_hash) continue;
1706
1707                         if (join_hash->type == JSON_STRING) {
1708                                 string = jsonObjectToSimpleString(join_hash);
1709                                 found = strcmp(string,cname) ? NULL : jsonParseString("{\"1\":\"1\"}");
1710                                 free(string);
1711                         } else {
1712                                 found = jsonObjectFindPath(join_hash, "//%s", cname);
1713                         }
1714
1715                         if (!found->size) {
1716                                 jsonObjectFree(found);
1717                                 continue;
1718                         }
1719
1720                         jsonObjectFree(found);
1721                 }
1722
1723                 // stitch together the column list ...
1724                 jsonObjectIterator* select_itr = jsonNewObjectIterator( selclass->item );
1725                 while ( (selfield = jsonObjectIteratorNext( select_itr )) ) {
1726
1727                         char* __column = NULL;
1728                         char* __alias = NULL;
1729
1730                         // ... if it's a sstring, just toss it on the pile
1731                         if (selfield->item->type == JSON_STRING) {
1732
1733                                 // again, just to be safe
1734                                 char* _requested_col = jsonObjectToSimpleString(selfield->item);
1735                                 osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), _requested_col );
1736                                 free(_requested_col);
1737
1738                                 if (!field) continue;
1739                                 __column = strdup(osrfHashGet(field, "name"));
1740
1741                                 if (first) {
1742                                         first = 0;
1743                                 } else {
1744                                         buffer_add(select_buf, ",");
1745                                 }
1746
1747                 if (locale) {
1748                         char* i18n = osrfHashGet(field, "i18n");
1749                                 if (flags & DISABLE_I18N)
1750                         i18n = NULL;
1751
1752                         if ( i18n && !strncasecmp("true", i18n, 4)) {
1753                             char* pkey = osrfHashGet(idlClass, "primarykey");
1754                             char* tname = osrfHashGet(idlClass, "tablename");
1755
1756                             buffer_fadd(select_buf, " COALESCE( oils_i18n_xlate('%s.%s', \"%s\".%s::TEXT, '%s'), \"%s\".%s ) AS %s", tname, __column, cname, pkey, locale, cname, __column, __column);
1757                     } else {
1758                                         buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
1759                     }
1760                 } else {
1761                                     buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
1762                 }
1763
1764                         // ... but it could be an object, in which case we check for a Field Transform
1765                         } else {
1766
1767                                 __column = jsonObjectToSimpleString( jsonObjectGetKey( selfield->item, "column" ) );
1768
1769                                 // again, just to be safe
1770                                 osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), __column );
1771                                 if (!field) continue;
1772                                 char* fname = osrfHashGet(field, "name");
1773
1774                                 if (first) {
1775                                         first = 0;
1776                                 } else {
1777                                         buffer_add(select_buf, ",");
1778                                 }
1779
1780                                 if ((__tmp = jsonObjectGetKey( selfield->item, "alias" ))) {
1781                                         __alias = jsonObjectToSimpleString( __tmp );
1782                                 } else {
1783                                         __alias = strdup(__column);
1784                                 }
1785
1786                                 if (jsonObjectGetKey( selfield->item, "transform" )) {
1787                                         free(__column);
1788                                         __column = searchFieldTransform(cname, field, selfield->item);
1789                                         buffer_fadd(select_buf, " %s AS \"%s\"", __column, __alias);
1790                                 } else {
1791                     if (locale) {
1792                                 char* i18n = osrfHashGet(field, "i18n");
1793                                     if (flags & DISABLE_I18N)
1794                             i18n = NULL;
1795
1796                                 if ( i18n && !strncasecmp("true", i18n, 4)) {
1797                                 char* pkey = osrfHashGet(idlClass, "primarykey");
1798                                 char* tname = osrfHashGet(idlClass, "tablename");
1799
1800                                 buffer_fadd(select_buf, " COALESCE( oils_i18n_xlate('%s.%s', \"%s\".%s::TEXT, '%s'), \"%s\".%s ) AS \"%s\"", tname, fname, cname, pkey, locale, cname, fname, __alias);
1801                         } else {
1802                                                 buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
1803                         }
1804                     } else {
1805                                             buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
1806                     }
1807                                 }
1808                         }
1809
1810                         if (is_agg->size || (flags & SELECT_DISTINCT)) {
1811
1812                                 if (!jsonBoolIsTrue( jsonObjectGetKey( selfield->item, "aggregate" ) )) {
1813                                         if (gfirst) {
1814                                                 gfirst = 0;
1815                                         } else {
1816                                                 buffer_add(group_buf, ",");
1817                                         }
1818
1819                                         buffer_fadd(group_buf, " %d", sel_pos);
1820                                 /*
1821                                 } else if (is_agg = jsonObjectGetKey( selfield->item, "having" )) {
1822                                         if (gfirst) {
1823                                                 gfirst = 0;
1824                                         } else {
1825                                                 buffer_add(group_buf, ",");
1826                                         }
1827
1828                                         __column = searchFieldTransform(cname, field, selfield->item);
1829                                         buffer_fadd(group_buf, " %s", __column);
1830                                         __column = searchFieldTransform(cname, field, selfield->item);
1831                                 */
1832                                 }
1833                         }
1834
1835                         if (__column) free(__column);
1836                         if (__alias) free(__alias);
1837
1838                         sel_pos++;
1839                 }
1840         }
1841
1842         if (is_agg) jsonObjectFree(is_agg);
1843
1844         char* col_list = buffer_data(select_buf);
1845         buffer_free(select_buf);
1846
1847         char* table = getSourceDefinition(core_meta);
1848
1849         // Put it all together
1850         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\" ", col_list, table, core_class );
1851         free(col_list);
1852         free(table);
1853
1854         // Now, walk the join tree and add that clause
1855         if ( join_hash ) {
1856                 char* join_clause = searchJOIN( join_hash, core_meta );
1857                 buffer_add(sql_buf, join_clause);
1858                 free(join_clause);
1859         }
1860
1861         if ( search_hash ) {
1862                 buffer_add(sql_buf, " WHERE ");
1863
1864                 // and it's on the the WHERE clause
1865                 char* pred = searchWHERE( search_hash, core_meta, AND_OP_JOIN );
1866                 if (!pred) {
1867                         osrfAppSessionStatus(
1868                                 ctx->session,
1869                                 OSRF_STATUS_INTERNALSERVERERROR,
1870                                 "osrfMethodException",
1871                                 ctx->request,
1872                                 "Severe query error -- see error log for more details"
1873                         );
1874                         free(core_class);
1875                         buffer_free(sql_buf);
1876                         if (defaultselhash) jsonObjectFree(defaultselhash);
1877                         return NULL;
1878                 } else {
1879                         buffer_add(sql_buf, pred);
1880                         free(pred);
1881                 }
1882         }
1883
1884         first = 1;
1885         jsonObjectIterator* class_itr = jsonNewObjectIterator( order_hash );
1886         while ( (snode = jsonObjectIteratorNext( class_itr )) ) {
1887
1888                 if (!jsonObjectGetKey(selhash,snode->key))
1889                         continue;
1890
1891                 if ( snode->item->type == JSON_HASH ) {
1892
1893                         jsonObjectIterator* order_itr = jsonNewObjectIterator( snode->item );
1894                         while ( (onode = jsonObjectIteratorNext( order_itr )) ) {
1895
1896                                 if (!oilsIDLFindPath( "/%s/fields/%s", snode->key, onode->key ))
1897                                         continue;
1898
1899                                 char* direction = NULL;
1900                                 if ( onode->item->type == JSON_HASH ) {
1901                                         if ( jsonObjectGetKey( onode->item, "transform" ) ) {
1902                                                 string = searchFieldTransform(
1903                                                         snode->key,
1904                                                         oilsIDLFindPath( "/%s/fields/%s", snode->key, onode->key ),
1905                                                         onode->item
1906                                                 );
1907                                         } else {
1908                                                 growing_buffer* field_buf = buffer_init(16);
1909                                                 buffer_fadd(field_buf, "\"%s\".%s", snode->key, onode->key);
1910                                                 string = buffer_data(field_buf);
1911                                                 buffer_free(field_buf);
1912                                         }
1913
1914                                         if ( (__tmp = jsonObjectGetKey( onode->item, "direction" )) ) {
1915                                                 direction = jsonObjectToSimpleString(__tmp);
1916                                                 if (!strncasecmp(direction, "d", 1)) {
1917                                                         free(direction);
1918                                                         direction = " DESC";
1919                                                 } else {
1920                                                         free(direction);
1921                                                         direction = " ASC";
1922                                                 }
1923                                         }
1924
1925                                 } else {
1926                                         string = strdup(onode->key);
1927                                         direction = jsonObjectToSimpleString(onode->item);
1928                                         if (!strncasecmp(direction, "d", 1)) {
1929                                                 free(direction);
1930                                                 direction = " DESC";
1931                                         } else {
1932                                                 free(direction);
1933                                                 direction = " ASC";
1934                                         }
1935                                 }
1936
1937                                 if (first) {
1938                                         first = 0;
1939                                 } else {
1940                                         buffer_add(order_buf, ", ");
1941                                 }
1942
1943                                 buffer_add(order_buf, string);
1944                                 free(string);
1945
1946                                 if (direction) {
1947                                         buffer_add(order_buf, direction);
1948                                 }
1949
1950                         }
1951
1952                 } else if ( snode->item->type == JSON_ARRAY ) {
1953
1954                         jsonObjectIterator* order_itr = jsonNewObjectIterator( snode->item );
1955                         while ( (onode = jsonObjectIteratorNext( order_itr )) ) {
1956
1957                                 char* _f = jsonObjectToSimpleString( onode->item );
1958
1959                                 if (!oilsIDLFindPath( "/%s/fields/%s", snode->key, _f))
1960                                         continue;
1961
1962                                 if (first) {
1963                                         first = 0;
1964                                 } else {
1965                                         buffer_add(order_buf, ", ");
1966                                 }
1967
1968                                 buffer_add(order_buf, _f);
1969                                 free(_f);
1970
1971                         }
1972
1973                 // IT'S THE OOOOOOOOOOOLD STYLE!
1974                 } else {
1975                         osrfLogError(OSRF_LOG_MARK, "%s: Possible SQL injection attempt; direct order by is not allowed", MODULENAME);
1976                         osrfAppSessionStatus(
1977                                 ctx->session,
1978                                 OSRF_STATUS_INTERNALSERVERERROR,
1979                                 "osrfMethodException",
1980                                 ctx->request,
1981                                 "Severe query error -- see error log for more details"
1982                         );
1983
1984                         free(core_class);
1985                         buffer_free(order_buf);
1986                         buffer_free(sql_buf);
1987                         if (defaultselhash) jsonObjectFree(defaultselhash);
1988                         return NULL;
1989                 }
1990
1991         }
1992
1993         string = buffer_data(group_buf);
1994         buffer_free(group_buf);
1995
1996         if (strlen(string)) {
1997                 buffer_fadd(
1998                         sql_buf,
1999                         " GROUP BY %s",
2000                         string
2001                 );
2002         }
2003
2004         free(string);
2005
2006         string = buffer_data(having_buf);
2007         buffer_free(having_buf);
2008
2009         if (strlen(string)) {
2010                 buffer_fadd(
2011                         sql_buf,
2012                         " HAVING %s",
2013                         string
2014                 );
2015         }
2016
2017         free(string);
2018
2019         string = buffer_data(order_buf);
2020         buffer_free(order_buf);
2021
2022         if (strlen(string)) {
2023                 buffer_fadd(
2024                         sql_buf,
2025                         " ORDER BY %s",
2026                         string
2027                 );
2028         }
2029
2030         free(string);
2031
2032         if ( limit ){
2033                 string = jsonObjectToSimpleString(limit);
2034                 buffer_fadd( sql_buf, " LIMIT %d", atoi(string) );
2035                 free(string);
2036         }
2037
2038         if (offset) {
2039                 string = jsonObjectToSimpleString(offset);
2040                 buffer_fadd( sql_buf, " OFFSET %d", atoi(string) );
2041                 free(string);
2042         }
2043
2044         buffer_add(sql_buf, ";");
2045
2046         sql = buffer_data(sql_buf);
2047
2048         free(core_class);
2049         buffer_free(sql_buf);
2050         if (defaultselhash) jsonObjectFree(defaultselhash);
2051
2052         return sql;
2053
2054 }
2055
2056 char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
2057
2058         char* locale = osrf_message_get_last_locale();
2059
2060         osrfHash* fields = osrfHashGet(meta, "fields");
2061         char* core_class = osrfHashGet(meta, "classname");
2062
2063         jsonObject* join_hash = jsonObjectGetKey( order_hash, "join" );
2064
2065         jsonObjectNode* node = NULL;
2066         jsonObjectNode* snode = NULL;
2067         jsonObjectNode* onode = NULL;
2068         jsonObject* _tmp = NULL;
2069         jsonObject* selhash = NULL;
2070         jsonObject* defaultselhash = NULL;
2071
2072         growing_buffer* sql_buf = buffer_init(128);
2073         growing_buffer* select_buf = buffer_init(128);
2074
2075         if ( !(selhash = jsonObjectGetKey( order_hash, "select" )) ) {
2076                 defaultselhash = jsonParseString( "{}" );
2077                 selhash = defaultselhash;
2078         }
2079
2080         if ( !jsonObjectGetKey(selhash,core_class) ) {
2081                 jsonObjectSetKey( selhash, core_class, jsonParseString( "[]" ) );
2082                 jsonObject* flist = jsonObjectGetKey( selhash, core_class );
2083
2084                 int i = 0;
2085                 char* field;
2086
2087                 osrfStringArray* keys = osrfHashKeys( fields );
2088                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2089                         if ( strcasecmp( "true", osrfHashGet( osrfHashGet( fields, field ), "virtual" ) ) )
2090                                 jsonObjectPush( flist, jsonNewObject( field ) );
2091                 }
2092                 osrfStringArrayFree(keys);
2093         }
2094
2095         int first = 1;
2096         jsonObjectIterator* class_itr = jsonNewObjectIterator( selhash );
2097         while ( (snode = jsonObjectIteratorNext( class_itr )) ) {
2098
2099                 osrfHash* idlClass = osrfHashGet( oilsIDL(), snode->key );
2100                 if (!idlClass) continue;
2101                 char* cname = osrfHashGet(idlClass, "classname");
2102
2103                 if (strcmp(core_class,snode->key)) {
2104                         if (!join_hash) continue;
2105
2106                         jsonObject* found =  jsonObjectFindPath(join_hash, "//%s", snode->key);
2107                         if (!found->size) {
2108                                 jsonObjectFree(found);
2109                                 continue;
2110                         }
2111
2112                         jsonObjectFree(found);
2113                 }
2114
2115                 jsonObjectIterator* select_itr = jsonNewObjectIterator( snode->item );
2116                 while ( (node = jsonObjectIteratorNext( select_itr )) ) {
2117                         osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), jsonObjectToSimpleString(node->item) );
2118                         char* fname = osrfHashGet(field, "name");
2119
2120                         if (!field) continue;
2121
2122                         if (first) {
2123                                 first = 0;
2124                         } else {
2125                                 buffer_add(select_buf, ",");
2126                         }
2127
2128             if (locale) {
2129                         char* i18n = osrfHashGet(field, "i18n");
2130                     if (jsonBoolIsTrue(jsonObjectGetKey( order_hash, "no_i18n" )))
2131                     i18n = NULL;
2132
2133                         if ( i18n && !strncasecmp("true", i18n, 4)) {
2134                         char* pkey = osrfHashGet(idlClass, "primarykey");
2135                         char* tname = osrfHashGet(idlClass, "tablename");
2136
2137                             buffer_fadd(select_buf, " COALESCE( oils_i18n_xlate('%s.%s', \"%s\".%s::TEXT, '%s'), \"%s\".%s ) AS %s", tname, fname, cname, pkey, locale, cname, fname, fname);
2138                 } else {
2139                                 buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2140                 }
2141             } else {
2142                             buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2143             }
2144                 }
2145         }
2146
2147         char* col_list = buffer_data(select_buf);
2148         buffer_free(select_buf);
2149
2150         char* table = getSourceDefinition(meta);
2151
2152         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\"", col_list, table, core_class );
2153         free(table);
2154
2155         if ( join_hash ) {
2156                 char* join_clause = searchJOIN( join_hash, meta );
2157                 buffer_fadd(sql_buf, " %s", join_clause);
2158                 free(join_clause);
2159         }
2160
2161         char* tmpsql = buffer_data(sql_buf);
2162         osrfLogDebug(OSRF_LOG_MARK, "%s pre-predicate SQL =  %s", MODULENAME, tmpsql);
2163         free(tmpsql);
2164
2165         buffer_add(sql_buf, " WHERE ");
2166
2167         char* pred = searchWHERE( search_hash, meta, AND_OP_JOIN );
2168         if (!pred) {
2169                 osrfAppSessionStatus(
2170                         ctx->session,
2171                         OSRF_STATUS_INTERNALSERVERERROR,
2172                                 "osrfMethodException",
2173                                 ctx->request,
2174                                 "Severe query error -- see error log for more details"
2175                         );
2176                 buffer_free(sql_buf);
2177                 return NULL;
2178         } else {
2179                 buffer_add(sql_buf, pred);
2180                 free(pred);
2181         }
2182
2183         if (order_hash) {
2184                 char* string = NULL;
2185                 if ( (_tmp = jsonObjectGetKey( order_hash, "order_by" )) ){
2186
2187                         growing_buffer* order_buf = buffer_init(128);
2188
2189                         first = 1;
2190                         jsonObjectIterator* class_itr = jsonNewObjectIterator( _tmp );
2191                         while ( (snode = jsonObjectIteratorNext( class_itr )) ) {
2192
2193                                 if (!jsonObjectGetKey(selhash,snode->key))
2194                                         continue;
2195
2196                                 if ( snode->item->type == JSON_HASH ) {
2197
2198                                         jsonObjectIterator* order_itr = jsonNewObjectIterator( snode->item );
2199                                         while ( (onode = jsonObjectIteratorNext( order_itr )) ) {
2200
2201                                                 if (!oilsIDLFindPath( "/%s/fields/%s", snode->key, onode->key ))
2202                                                         continue;
2203
2204                                                 char* direction = NULL;
2205                                                 if ( onode->item->type == JSON_HASH ) {
2206                                                         if ( jsonObjectGetKey( onode->item, "transform" ) ) {
2207                                                                 string = searchFieldTransform(
2208                                                                         snode->key,
2209                                                                         oilsIDLFindPath( "/%s/fields/%s", snode->key, onode->key ),
2210                                                                         onode->item
2211                                                                 );
2212                                                         } else {
2213                                                                 growing_buffer* field_buf = buffer_init(16);
2214                                                                 buffer_fadd(field_buf, "\"%s\".%s", snode->key, onode->key);
2215                                                                 string = buffer_data(field_buf);
2216                                                                 buffer_free(field_buf);
2217                                                         }
2218
2219                                                         if ( (_tmp = jsonObjectGetKey( onode->item, "direction" )) ) {
2220                                                                 direction = jsonObjectToSimpleString(_tmp);
2221                                                                 if (!strncasecmp(direction, "d", 1)) {
2222                                                                         free(direction);
2223                                                                         direction = " DESC";
2224                                                                 } else {
2225                                                                         free(direction);
2226                                                                         direction = " ASC";
2227                                                                 }
2228                                                         }
2229
2230                                                 } else {
2231                                                         string = strdup(onode->key);
2232                                                         direction = jsonObjectToSimpleString(onode->item);
2233                                                         if (!strncasecmp(direction, "d", 1)) {
2234                                                                 free(direction);
2235                                                                 direction = " DESC";
2236                                                         } else {
2237                                                                 free(direction);
2238                                                                 direction = " ASC";
2239                                                         }
2240                                                 }
2241
2242                                                 if (first) {
2243                                                         first = 0;
2244                                                 } else {
2245                                                         buffer_add(order_buf, ", ");
2246                                                 }
2247
2248                                                 buffer_add(order_buf, string);
2249                                                 free(string);
2250
2251                                                 if (direction) {
2252                                                         buffer_add(order_buf, direction);
2253                                                 }
2254
2255                                         }
2256
2257                                 } else {
2258                                         string = jsonObjectToSimpleString(snode->item);
2259                                         buffer_add(order_buf, string);
2260                                         free(string);
2261                                         break;
2262                                 }
2263
2264                         }
2265
2266                         string = buffer_data(order_buf);
2267                         buffer_free(order_buf);
2268
2269                         if (strlen(string)) {
2270                                 buffer_fadd(
2271                                         sql_buf,
2272                                         " ORDER BY %s",
2273                                         string
2274                                 );
2275                         }
2276
2277                         free(string);
2278                 }
2279
2280                 if ( (_tmp = jsonObjectGetKey( order_hash, "limit" )) ){
2281                         string = jsonObjectToSimpleString(_tmp);
2282                         buffer_fadd(
2283                                 sql_buf,
2284                                 " LIMIT %d",
2285                                 atoi(string)
2286                         );
2287                         free(string);
2288                 }
2289
2290                 _tmp = jsonObjectGetKey( order_hash, "offset" );
2291                 if (_tmp) {
2292                         string = jsonObjectToSimpleString(_tmp);
2293                         buffer_fadd(
2294                                 sql_buf,
2295                                 " OFFSET %d",
2296                                 atoi(string)
2297                         );
2298                         free(string);
2299                 }
2300         }
2301
2302         buffer_add(sql_buf, ";");
2303
2304         char* sql = buffer_data(sql_buf);
2305         buffer_free(sql_buf);
2306         if (defaultselhash) jsonObjectFree(defaultselhash);
2307
2308         return sql;
2309 }
2310
2311 int doJSONSearch ( osrfMethodContext* ctx ) {
2312         OSRF_METHOD_VERIFY_CONTEXT(ctx);
2313         osrfLogDebug(OSRF_LOG_MARK, "Recieved query request");
2314
2315         int err = 0;
2316
2317         // XXX for now...
2318         dbhandle = writehandle;
2319
2320         jsonObject* hash = jsonObjectGetIndex(ctx->params, 0);
2321
2322     int flags = 0;
2323
2324         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "distinct" )))
2325          flags |= SELECT_DISTINCT;
2326
2327         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "no_i18n" )))
2328          flags |= DISABLE_I18N;
2329
2330         osrfLogDebug(OSRF_LOG_MARK, "Building SQL ...");
2331         char* sql = SELECT(
2332                         ctx,
2333                         jsonObjectGetKey( hash, "select" ),
2334                         jsonObjectGetKey( hash, "from" ),
2335                         jsonObjectGetKey( hash, "where" ),
2336                         jsonObjectGetKey( hash, "order_by" ),
2337                         jsonObjectGetKey( hash, "limit" ),
2338                         jsonObjectGetKey( hash, "offset" ),
2339                         flags
2340         );
2341
2342         if (!sql) {
2343                 err = -1;
2344                 return err;
2345         }
2346
2347         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
2348         dbi_result result = dbi_conn_query(dbhandle, sql);
2349
2350         if(result) {
2351                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
2352
2353                 if (dbi_result_first_row(result)) {
2354                         /* JSONify the result */
2355                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
2356
2357                         do {
2358                                 osrfAppRespond( ctx, oilsMakeJSONFromResult( result ) );
2359                         } while (dbi_result_next_row(result));
2360
2361                 } else {
2362                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
2363                 }
2364
2365                 osrfAppRespondComplete( ctx, NULL );
2366
2367                 /* clean up the query */
2368                 dbi_result_free(result);
2369
2370         } else {
2371                 err = -1;
2372                 osrfLogError(OSRF_LOG_MARK, "%s: Error with query [%s]", MODULENAME, sql);
2373                 osrfAppSessionStatus(
2374                         ctx->session,
2375                         OSRF_STATUS_INTERNALSERVERERROR,
2376                         "osrfMethodException",
2377                         ctx->request,
2378                         "Severe query error -- see error log for more details"
2379                 );
2380         }
2381
2382         free(sql);
2383         return err;
2384 }
2385
2386 jsonObject* doFieldmapperSearch ( osrfMethodContext* ctx, osrfHash* meta, jsonObject* params, int* err ) {
2387
2388         // XXX for now...
2389         dbhandle = writehandle;
2390
2391         osrfHash* links = osrfHashGet(meta, "links");
2392         osrfHash* fields = osrfHashGet(meta, "fields");
2393         char* core_class = osrfHashGet(meta, "classname");
2394         char* pkey = osrfHashGet(meta, "primarykey");
2395
2396         jsonObject* _tmp;
2397         jsonObject* obj;
2398         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
2399         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
2400
2401         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
2402         if (!sql) {
2403                 *err = -1;
2404                 return NULL;
2405         }
2406
2407         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
2408         dbi_result result = dbi_conn_query(dbhandle, sql);
2409
2410         osrfHash* dedup = osrfNewHash();
2411         jsonObject* res_list = jsonParseString("[]");
2412         if(result) {
2413                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
2414
2415                 if (dbi_result_first_row(result)) {
2416                         /* JSONify the result */
2417                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
2418                         do {
2419                                 obj = oilsMakeFieldmapperFromResult( result, meta );
2420                                 int pkey_pos = atoi( osrfHashGet( osrfHashGet( fields, pkey ), "array_position" ) );
2421                                 char* pkey_val = jsonObjectToSimpleString( jsonObjectGetIndex( obj, pkey_pos ) );
2422                                 if ( osrfHashGet( dedup, pkey_val ) ) {
2423                                         jsonObjectFree(obj);
2424                                 } else {
2425                                         osrfHashSet( dedup, pkey_val, pkey_val );
2426                                         jsonObjectPush(res_list, obj);
2427                                 }
2428                         } while (dbi_result_next_row(result));
2429                 } else {
2430                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
2431                 }
2432
2433                 /* clean up the query */
2434                 dbi_result_free(result);
2435
2436         } else {
2437                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]", MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
2438                 osrfAppSessionStatus(
2439                         ctx->session,
2440                         OSRF_STATUS_INTERNALSERVERERROR,
2441                         "osrfMethodException",
2442                         ctx->request,
2443                         "Severe query error -- see error log for more details"
2444                 );
2445                 *err = -1;
2446                 free(sql);
2447                 jsonObjectFree(res_list);
2448                 return jsonNULL;
2449
2450         }
2451
2452         free(sql);
2453
2454         if (res_list->size && order_hash) {
2455                 _tmp = jsonObjectGetKey( order_hash, "flesh" );
2456                 if (_tmp) {
2457                         int x = (int)jsonObjectGetNumber(_tmp);
2458                         if (x == -1 || x > max_flesh_depth) x = max_flesh_depth;
2459
2460                         jsonObject* flesh_blob = NULL;
2461                         if ((flesh_blob = jsonObjectGetKey( order_hash, "flesh_fields" )) && x > 0) {
2462
2463                                 flesh_blob = jsonObjectClone( flesh_blob );
2464                                 jsonObject* flesh_fields = jsonObjectGetKey( flesh_blob, core_class );
2465
2466                                 osrfStringArray* link_fields = NULL;
2467
2468                                 if (flesh_fields) {
2469                                         if (flesh_fields->size == 1) {
2470                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
2471                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
2472                                                 free(_t);
2473                                         }
2474
2475                                         if (!link_fields) {
2476                                                 jsonObjectNode* _f;
2477                                                 link_fields = osrfNewStringArray(1);
2478                                                 jsonObjectIterator* _i = jsonNewObjectIterator( flesh_fields );
2479                                                 while ((_f = jsonObjectIteratorNext( _i ))) {
2480                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f->item ) );
2481                                                 }
2482                                         }
2483                                 }
2484
2485                                 jsonObjectNode* cur;
2486                                 jsonObjectIterator* itr = jsonNewObjectIterator( res_list );
2487                                 while ((cur = jsonObjectIteratorNext( itr ))) {
2488
2489                                         int i = 0;
2490                                         char* link_field;
2491
2492                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
2493
2494                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
2495
2496                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
2497                                                 if (!kid_link) continue;
2498
2499                                                 osrfHash* field = osrfHashGet(fields, link_field);
2500                                                 if (!field) continue;
2501
2502                                                 osrfHash* value_field = field;
2503
2504                                                 osrfHash* kid_idl = osrfHashGet(oilsIDL(), osrfHashGet(kid_link, "class"));
2505                                                 if (!kid_idl) continue;
2506
2507                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
2508                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
2509                                                 }
2510
2511                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
2512                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
2513                                                 }
2514
2515                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
2516
2517                                                 if (link_map->size > 0) {
2518                                                         jsonObject* _kid_key = jsonParseString("[]");
2519                                                         jsonObjectPush(
2520                                                                 _kid_key,
2521                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
2522                                                         );
2523
2524                                                         jsonObjectSetKey(
2525                                                                 flesh_blob,
2526                                                                 osrfHashGet(kid_link, "class"),
2527                                                                 _kid_key
2528                                                         );
2529                                                 };
2530
2531                                                 osrfLogDebug(
2532                                                         OSRF_LOG_MARK,
2533                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
2534                                                         osrfHashGet(kid_link, "field"),
2535                                                         osrfHashGet(kid_link, "class"),
2536                                                         osrfHashGet(kid_link, "key"),
2537                                                         osrfHashGet(kid_link, "reltype")
2538                                                 );
2539
2540                                                 jsonObject* fake_params = jsonParseString("[]");
2541                                                 jsonObjectPush(fake_params, jsonParseString("{}")); // search hash
2542                                                 jsonObjectPush(fake_params, jsonParseString("{}")); // order/flesh hash
2543
2544                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
2545
2546                                                 char* search_key =
2547                                                 jsonObjectToSimpleString(
2548                                                         jsonObjectGetIndex(
2549                                                                 cur->item,
2550                                                                 atoi( osrfHashGet(value_field, "array_position") )
2551                                                         )
2552                                                 );
2553
2554                                                 if (!search_key) {
2555                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
2556                                                         continue;
2557                                                 }
2558
2559                                                 jsonObjectSetKey(
2560                                                         jsonObjectGetIndex(fake_params, 0),
2561                                                         osrfHashGet(kid_link, "key"),
2562                                                         jsonNewObject( search_key )
2563                                                 );
2564
2565                                                 free(search_key);
2566
2567
2568                                                 jsonObjectSetKey(
2569                                                         jsonObjectGetIndex(fake_params, 1),
2570                                                         "flesh",
2571                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
2572                                                 );
2573
2574                                                 if (flesh_blob)
2575                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
2576
2577                                                 if (jsonObjectGetKey(order_hash, "order_by")) {
2578                                                         jsonObjectSetKey(
2579                                                                 jsonObjectGetIndex(fake_params, 1),
2580                                                                 "order_by",
2581                                                                 jsonObjectClone(jsonObjectGetKey(order_hash, "order_by"))
2582                                                         );
2583                                                 }
2584
2585                                                 if (jsonObjectGetKey(order_hash, "select")) {
2586                                                         jsonObjectSetKey(
2587                                                                 jsonObjectGetIndex(fake_params, 1),
2588                                                                 "select",
2589                                                                 jsonObjectClone(jsonObjectGetKey(order_hash, "select"))
2590                                                         );
2591                                                 }
2592
2593                                                 jsonObject* kids = doFieldmapperSearch(ctx, kid_idl, fake_params, err);
2594
2595                                                 if(*err) {
2596                                                         jsonObjectFree( fake_params );
2597                                                         osrfStringArrayFree(link_fields);
2598                                                         jsonObjectIteratorFree(itr);
2599                                                         jsonObjectFree(res_list);
2600                                                         return jsonNULL;
2601                                                 }
2602
2603                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
2604
2605                                                 jsonObject* X = NULL;
2606                                                 if ( link_map->size > 0 && kids->size > 0 ) {
2607                                                         X = kids;
2608                                                         kids = jsonParseString("[]");
2609
2610                                                         jsonObjectNode* _k_node;
2611                                                         jsonObjectIterator* _k = jsonNewObjectIterator( X );
2612                                                         while ((_k_node = jsonObjectIteratorNext( _k ))) {
2613                                                                 jsonObjectPush(
2614                                                                         kids,
2615                                                                         jsonObjectClone(
2616                                                                                 jsonObjectGetIndex(
2617                                                                                         _k_node->item,
2618                                                                                         (unsigned long)atoi(
2619                                                                                                 osrfHashGet(
2620                                                                                                         osrfHashGet(
2621                                                                                                                 osrfHashGet(
2622                                                                                                                         osrfHashGet(
2623                                                                                                                                 oilsIDL(),
2624                                                                                                                                 osrfHashGet(kid_link, "class")
2625                                                                                                                         ),
2626                                                                                                                         "fields"
2627                                                                                                                 ),
2628                                                                                                                 osrfStringArrayGetString( link_map, 0 )
2629                                                                                                         ),
2630                                                                                                         "array_position"
2631                                                                                                 )
2632                                                                                         )
2633                                                                                 )
2634                                                                         )
2635                                                                 );
2636                                                         }
2637                                                 }
2638
2639                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
2640                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
2641                                                         jsonObjectSetIndex(
2642                                                                 cur->item,
2643                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
2644                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
2645                                                         );
2646                                                 }
2647
2648                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
2649                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
2650                                                         jsonObjectSetIndex(
2651                                                                 cur->item,
2652                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
2653                                                                 jsonObjectClone( kids )
2654                                                         );
2655                                                 }
2656
2657                                                 if (X) {
2658                                                         jsonObjectFree(kids);
2659                                                         kids = X;
2660                                                 }
2661
2662                                                 jsonObjectFree( kids );
2663                                                 jsonObjectFree( fake_params );
2664
2665                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
2666                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur->item));
2667
2668                                         }
2669                                 }
2670                                 jsonObjectFree( flesh_blob );
2671                                 osrfStringArrayFree(link_fields);
2672                                 jsonObjectIteratorFree(itr);
2673                         }
2674                 }
2675         }
2676
2677         return res_list;
2678 }
2679
2680
2681 jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
2682
2683         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
2684         jsonObject* target = jsonObjectGetIndex(ctx->params, 0);
2685
2686         if (!verifyObjectClass(ctx, target)) {
2687                 *err = -1;
2688                 return jsonNULL;
2689         }
2690
2691         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
2692                 osrfAppSessionStatus(
2693                         ctx->session,
2694                         OSRF_STATUS_BADREQUEST,
2695                         "osrfMethodException",
2696                         ctx->request,
2697                         "No active transaction -- required for UPDATE"
2698                 );
2699                 *err = -1;
2700                 return jsonNULL;
2701         }
2702
2703         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
2704                 osrfAppSessionStatus(
2705                         ctx->session,
2706                         OSRF_STATUS_BADREQUEST,
2707                         "osrfMethodException",
2708                         ctx->request,
2709                         "Cannot UPDATE readonly class"
2710                 );
2711                 *err = -1;
2712                 return jsonNULL;
2713         }
2714
2715         dbhandle = writehandle;
2716
2717         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
2718
2719         // Set the last_xact_id
2720         osrfHash* last_xact_id;
2721         if ((last_xact_id = oilsIDLFindPath("/%s/fields/last_xact_id", target->classname))) {
2722                 int index = atoi( osrfHashGet(last_xact_id, "array_position") );
2723                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
2724                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
2725         }
2726
2727         char* pkey = osrfHashGet(meta, "primarykey");
2728         osrfHash* fields = osrfHashGet(meta, "fields");
2729
2730         char* id =
2731                 jsonObjectToSimpleString(
2732                         jsonObjectGetIndex(
2733                                 target,
2734                                 atoi( osrfHashGet( osrfHashGet( fields, pkey ), "array_position" ) )
2735                         )
2736                 );
2737
2738         osrfLogDebug(
2739                 OSRF_LOG_MARK,
2740                 "%s updating %s object with %s = %s",
2741                 MODULENAME,
2742                 osrfHashGet(meta, "fieldmapper"),
2743                 pkey,
2744                 id
2745         );
2746
2747         growing_buffer* sql = buffer_init(128);
2748         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
2749
2750         int i = 0;
2751         int first = 1;
2752         char* field_name;
2753         osrfStringArray* field_list = osrfHashKeys( fields );
2754         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
2755
2756                 osrfHash* field = osrfHashGet( fields, field_name );
2757
2758                 if(!( strcmp( field_name, pkey ) )) continue;
2759                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
2760
2761                 jsonObject* field_object = jsonObjectGetIndex( target, atoi(osrfHashGet(field, "array_position")) );
2762
2763                 char* value;
2764                 if (field_object && field_object->classname) {
2765                         value = jsonObjectToSimpleString(
2766                                         jsonObjectGetIndex(
2767                                                 field_object,
2768                                                 atoi(
2769                                                         osrfHashGet(
2770                                                                 osrfHashGet(
2771                                                                         oilsIDLFindPath("/%s/fields", field_object->classname),
2772                                                                         (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
2773                                                                 ),
2774                                                                 "array_position"
2775                                                         )
2776                                                 )
2777                                         )
2778                                 );
2779
2780                 } else {
2781                         value = jsonObjectToSimpleString( field_object );
2782                 }
2783
2784                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
2785
2786                 if (!field_object || field_object->type == JSON_NULL) {
2787                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
2788                                 if (first) first = 0;
2789                                 else buffer_add(sql, ",");
2790                                 buffer_fadd( sql, " %s = NULL", field_name );
2791                         }
2792
2793                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
2794                         if (first) first = 0;
2795                         else buffer_add(sql, ",");
2796
2797                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
2798                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
2799                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
2800                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
2801                         }
2802
2803                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
2804
2805                 } else {
2806                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
2807                                 if (first) first = 0;
2808                                 else buffer_add(sql, ",");
2809                                 buffer_fadd( sql, " %s = %s", field_name, value );
2810
2811                         } else {
2812                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
2813                                 osrfAppSessionStatus(
2814                                         ctx->session,
2815                                         OSRF_STATUS_INTERNALSERVERERROR,
2816                                         "osrfMethodException",
2817                                         ctx->request,
2818                                         "Error quoting string -- please see the error log for more details"
2819                                 );
2820                                 free(value);
2821                                 free(id);
2822                                 buffer_free(sql);
2823                                 *err = -1;
2824                                 return jsonNULL;
2825                         }
2826                 }
2827
2828                 free(value);
2829
2830         }
2831
2832         jsonObject* obj = jsonParseString(id);
2833
2834         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
2835                 dbi_conn_quote_string(dbhandle, &id);
2836
2837         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
2838
2839         char* query = buffer_data(sql);
2840         buffer_free(sql);
2841
2842         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
2843
2844         dbi_result result = dbi_conn_query(dbhandle, query);
2845         free(query);
2846
2847         if (!result) {
2848                 jsonObjectFree(obj);
2849                 obj = jsonNewObject(NULL);
2850                 osrfLogError(
2851                         OSRF_LOG_MARK,
2852                         "%s ERROR updating %s object with %s = %s",
2853                         MODULENAME,
2854                         osrfHashGet(meta, "fieldmapper"),
2855                         pkey,
2856                         id
2857                 );
2858         }
2859
2860         free(id);
2861
2862         return obj;
2863 }
2864
2865 jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
2866
2867         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
2868
2869         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
2870                 osrfAppSessionStatus(
2871                         ctx->session,
2872                         OSRF_STATUS_BADREQUEST,
2873                         "osrfMethodException",
2874                         ctx->request,
2875                         "No active transaction -- required for DELETE"
2876                 );
2877                 *err = -1;
2878                 return jsonNULL;
2879         }
2880
2881         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
2882                 osrfAppSessionStatus(
2883                         ctx->session,
2884                         OSRF_STATUS_BADREQUEST,
2885                         "osrfMethodException",
2886                         ctx->request,
2887                         "Cannot DELETE readonly class"
2888                 );
2889                 *err = -1;
2890                 return jsonNULL;
2891         }
2892
2893         dbhandle = writehandle;
2894
2895         jsonObject* obj;
2896
2897         char* pkey = osrfHashGet(meta, "primarykey");
2898
2899         char* id;
2900         if (jsonObjectGetIndex(ctx->params, 0)->classname) {
2901                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, 0 ))) {
2902                         *err = -1;
2903                         return jsonNULL;
2904                 }
2905
2906                 id = jsonObjectToSimpleString(
2907                         jsonObjectGetIndex(
2908                                 jsonObjectGetIndex(ctx->params, 0),
2909                                 atoi( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "array_position") )
2910                         )
2911                 );
2912         } else {
2913                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
2914         }
2915
2916         osrfLogDebug(
2917                 OSRF_LOG_MARK,
2918                 "%s deleting %s object with %s = %s",
2919                 MODULENAME,
2920                 osrfHashGet(meta, "fieldmapper"),
2921                 pkey,
2922                 id
2923         );
2924
2925         obj = jsonParseString(id);
2926
2927         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
2928                 dbi_conn_quote_string(writehandle, &id);
2929
2930         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
2931
2932         if (!result) {
2933                 jsonObjectFree(obj);
2934                 obj = jsonNewObject(NULL);
2935                 osrfLogError(
2936                         OSRF_LOG_MARK,
2937                         "%s ERROR deleting %s object with %s = %s",
2938                         MODULENAME,
2939                         osrfHashGet(meta, "fieldmapper"),
2940                         pkey,
2941                         id
2942                 );
2943         }
2944
2945         free(id);
2946
2947         return obj;
2948
2949 }
2950
2951
2952 jsonObject* oilsMakeFieldmapperFromResult( dbi_result result, osrfHash* meta) {
2953         if(!(result && meta)) return jsonNULL;
2954
2955         jsonObject* object = jsonParseString("[]");
2956         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
2957
2958         osrfHash* fields = osrfHashGet(meta, "fields");
2959
2960         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
2961
2962         osrfHash* _f;
2963         time_t _tmp_dt;
2964         char dt_string[256];
2965         struct tm gmdt;
2966
2967         int fmIndex;
2968         int columnIndex = 1;
2969         int attr;
2970         unsigned short type;
2971         const char* columnName;
2972
2973         /* cycle through the column list */
2974         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
2975
2976                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
2977
2978                 fmIndex = -1; // reset the position
2979
2980                 /* determine the field type and storage attributes */
2981                 type = dbi_result_get_field_type(result, columnName);
2982                 attr = dbi_result_get_field_attribs(result, columnName);
2983
2984                 /* fetch the fieldmapper index */
2985                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
2986                         char* virt = (char*)osrfHashGet(_f, "virtual");
2987                         char* pos = (char*)osrfHashGet(_f, "array_position");
2988
2989                         if ( !virt || !pos || !(strcmp( virt, "true" )) ) continue;
2990
2991                         fmIndex = atoi( pos );
2992                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
2993                 } else {
2994                         continue;
2995                 }
2996
2997                 if (dbi_result_field_is_null(result, columnName)) {
2998                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
2999                 } else {
3000
3001                         switch( type ) {
3002
3003                                 case DBI_TYPE_INTEGER :
3004
3005                                         if( attr & DBI_INTEGER_SIZE8 )
3006                                                 jsonObjectSetIndex( object, fmIndex,
3007                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
3008                                         else
3009                                                 jsonObjectSetIndex( object, fmIndex,
3010                                                         jsonNewNumberObject(dbi_result_get_long(result, columnName)));
3011
3012                                         break;
3013
3014                                 case DBI_TYPE_DECIMAL :
3015                                         jsonObjectSetIndex( object, fmIndex,
3016                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
3017                                         break;
3018
3019                                 case DBI_TYPE_STRING :
3020
3021
3022                                         jsonObjectSetIndex(
3023                                                 object,
3024                                                 fmIndex,
3025                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
3026                                         );
3027
3028                                         break;
3029
3030                                 case DBI_TYPE_DATETIME :
3031
3032                                         memset(dt_string, '\0', sizeof(dt_string));
3033                                         memset(&gmdt, '\0', sizeof(gmdt));
3034                                         memset(&_tmp_dt, '\0', sizeof(_tmp_dt));
3035
3036                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3037
3038                                         localtime_r( &_tmp_dt, &gmdt );
3039
3040                                         if (!(attr & DBI_DATETIME_DATE)) {
3041                                                 strftime(dt_string, 255, "%T", &gmdt);
3042                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3043                                                 strftime(dt_string, 255, "%F", &gmdt);
3044                                         } else {
3045                                                 strftime(dt_string, 255, "%FT%T%z", &gmdt);
3046                                         }
3047
3048                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
3049
3050                                         break;
3051
3052                                 case DBI_TYPE_BINARY :
3053                                         osrfLogError( OSRF_LOG_MARK,
3054                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3055                         }
3056                 }
3057         }
3058
3059         return object;
3060 }
3061 jsonObject* oilsMakeJSONFromResult( dbi_result result ) {
3062         if(!result) return jsonNULL;
3063
3064         jsonObject* object = jsonParseString("{}");
3065
3066         time_t _tmp_dt;
3067         char dt_string[256];
3068         struct tm gmdt;
3069
3070         int fmIndex;
3071         int columnIndex = 1;
3072         int attr;
3073         unsigned short type;
3074         const char* columnName;
3075
3076         /* cycle through the column list */
3077         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3078
3079                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3080
3081                 fmIndex = -1; // reset the position
3082
3083                 /* determine the field type and storage attributes */
3084                 type = dbi_result_get_field_type(result, columnName);
3085                 attr = dbi_result_get_field_attribs(result, columnName);
3086
3087                 if (dbi_result_field_is_null(result, columnName)) {
3088                         jsonObjectSetKey( object, columnName, jsonNewObject(NULL) );
3089                 } else {
3090
3091                         switch( type ) {
3092
3093                                 case DBI_TYPE_INTEGER :
3094
3095                                         if( attr & DBI_INTEGER_SIZE8 )
3096                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_longlong(result, columnName)) );
3097                                         else
3098                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_long(result, columnName)) );
3099                                         break;
3100
3101                                 case DBI_TYPE_DECIMAL :
3102                                         jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_double(result, columnName)) );
3103                                         break;
3104
3105                                 case DBI_TYPE_STRING :
3106                                         jsonObjectSetKey( object, columnName, jsonNewObject(dbi_result_get_string(result, columnName)) );
3107                                         break;
3108
3109                                 case DBI_TYPE_DATETIME :
3110
3111                                         memset(dt_string, '\0', sizeof(dt_string));
3112                                         memset(&gmdt, '\0', sizeof(gmdt));
3113                                         memset(&_tmp_dt, '\0', sizeof(_tmp_dt));
3114
3115                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3116
3117                                         localtime_r( &_tmp_dt, &gmdt );
3118
3119                                         if (!(attr & DBI_DATETIME_DATE)) {
3120                                                 strftime(dt_string, 255, "%T", &gmdt);
3121                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3122                                                 strftime(dt_string, 255, "%F", &gmdt);
3123                                         } else {
3124                                                 strftime(dt_string, 255, "%FT%T%z", &gmdt);
3125                                         }
3126
3127                                         jsonObjectSetKey( object, columnName, jsonNewObject(dt_string) );
3128                                         break;
3129
3130                                 case DBI_TYPE_BINARY :
3131                                         osrfLogError( OSRF_LOG_MARK,
3132                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3133                         }
3134                 }
3135         }
3136
3137         return object;
3138 }
3139