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