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         // in case we don't get a select list
1598         jsonObject* defaultselhash = NULL;
1599
1600         // general tmp objects
1601         jsonObject* __tmp = NULL;
1602         jsonObjectNode* selclass = NULL;
1603         jsonObjectNode* selfield = NULL;
1604         jsonObjectNode* snode = NULL;
1605         jsonObjectNode* onode = NULL;
1606         jsonObject* found = NULL;
1607
1608         char* string = NULL;
1609         int first = 1;
1610         int gfirst = 1;
1611         //int hfirst = 1;
1612
1613         // return variable for the SQL
1614         char* sql = NULL;
1615
1616         // the core search class
1617         char* core_class = NULL;
1618
1619         // metadata about the core search class
1620         osrfHash* core_meta = NULL;
1621         osrfHash* core_fields = NULL;
1622         osrfHash* idlClass = NULL;
1623
1624         // the query buffer
1625         growing_buffer* sql_buf = buffer_init(128);
1626
1627         // temp buffer for the SELECT list
1628         growing_buffer* select_buf = buffer_init(128);
1629         growing_buffer* order_buf = buffer_init(128);
1630         growing_buffer* group_buf = buffer_init(128);
1631         growing_buffer* having_buf = buffer_init(128);
1632
1633         // punt if there's no core class
1634         if (!join_hash || ( join_hash->type == JSON_HASH && !join_hash->size ))
1635                 return NULL;
1636
1637         // get the core class -- the only key of the top level FROM clause, or a string
1638         if (join_hash->type == JSON_HASH) {
1639                 jsonObjectIterator* tmp_itr = jsonNewObjectIterator( join_hash );
1640                 snode = jsonObjectIteratorNext( tmp_itr );
1641
1642                 core_class = strdup( snode->key );
1643                 join_hash = snode->item;
1644
1645                 jsonObjectIteratorFree( tmp_itr );
1646                 snode = NULL;
1647
1648         } else if (join_hash->type == JSON_STRING) {
1649                 core_class = jsonObjectToSimpleString( join_hash );
1650                 join_hash = NULL;
1651         }
1652
1653         // punt if we don't know about the core class
1654         if (!(core_meta = osrfHashGet( oilsIDL(), core_class )))
1655                 return NULL;
1656
1657         core_fields = osrfHashGet(core_meta, "fields");
1658
1659         // if the select list is empty, or the core class field list is '*',
1660         // build the default select list ...
1661         if (!selhash) {
1662                 selhash = defaultselhash = jsonParseString( "{}" );
1663                 jsonObjectSetKey( selhash, core_class, jsonParseString( "[]" ) );
1664         } else if ( (__tmp = jsonObjectGetKey( selhash, core_class )) && __tmp->type == JSON_STRING ) {
1665                 char* __x = jsonObjectToSimpleString( __tmp );
1666                 if (!strncmp( "*", __x, 1 )) {
1667                         jsonObjectRemoveKey( selhash, core_class );
1668                         jsonObjectSetKey( selhash, core_class, jsonParseString( "[]" ) );
1669                 }
1670                 free(__x);
1671         }
1672
1673         // ... and if we /are/ building the default list, do that
1674         if ( (__tmp = jsonObjectGetKey(selhash,core_class)) && !__tmp->size ) {
1675
1676                 int i = 0;
1677                 char* field;
1678
1679                 osrfStringArray* keys = osrfHashKeys( core_fields );
1680                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
1681                         if ( strncasecmp( "true", osrfHashGet( osrfHashGet( core_fields, field ), "virtual" ), 4 ) )
1682                                 jsonObjectPush( __tmp, jsonNewObject( field ) );
1683                 }
1684                 osrfStringArrayFree(keys);
1685         }
1686
1687         // Now we build the acutal select list
1688         int sel_pos = 1;
1689         jsonObject* is_agg = jsonObjectFindPath(selhash, "//aggregate");
1690         first = 1;
1691         gfirst = 1;
1692         jsonObjectIterator* selclass_itr = jsonNewObjectIterator( selhash );
1693         while ( (selclass = jsonObjectIteratorNext( selclass_itr )) ) {
1694
1695                 // round trip through the idl, just to be safe
1696                 idlClass = osrfHashGet( oilsIDL(), selclass->key );
1697                 if (!idlClass) continue;
1698                 char* cname = osrfHashGet(idlClass, "classname");
1699
1700                 // make sure the target relation is in the join tree
1701                 if (strcmp(core_class,cname)) {
1702                         if (!join_hash) continue;
1703
1704                         if (join_hash->type == JSON_STRING) {
1705                                 string = jsonObjectToSimpleString(join_hash);
1706                                 found = strcmp(string,cname) ? NULL : jsonParseString("{\"1\":\"1\"}");
1707                                 free(string);
1708                         } else {
1709                                 found = jsonObjectFindPath(join_hash, "//%s", cname);
1710                         }
1711
1712                         if (!found->size) {
1713                                 jsonObjectFree(found);
1714                                 continue;
1715                         }
1716
1717                         jsonObjectFree(found);
1718                 }
1719
1720                 // stitch together the column list ...
1721                 jsonObjectIterator* select_itr = jsonNewObjectIterator( selclass->item );
1722                 while ( (selfield = jsonObjectIteratorNext( select_itr )) ) {
1723
1724                         char* __column = NULL;
1725                         char* __alias = NULL;
1726
1727                         // ... if it's a sstring, just toss it on the pile
1728                         if (selfield->item->type == JSON_STRING) {
1729
1730                                 // again, just to be safe
1731                                 char* _requested_col = jsonObjectToSimpleString(selfield->item);
1732                                 osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), _requested_col );
1733                                 free(_requested_col);
1734
1735                                 if (!field) continue;
1736                                 __column = strdup(osrfHashGet(field, "name"));
1737
1738                                 if (first) {
1739                                         first = 0;
1740                                 } else {
1741                                         buffer_add(select_buf, ",");
1742                                 }
1743
1744                                 buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
1745
1746                         // ... but it could be an object, in which case we check for a Field Transform
1747                         } else {
1748
1749                                 __column = jsonObjectToSimpleString( jsonObjectGetKey( selfield->item, "column" ) );
1750
1751                                 // again, just to be safe
1752                                 osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), __column );
1753                                 if (!field) continue;
1754                                 char* fname = osrfHashGet(field, "name");
1755
1756                                 if (first) {
1757                                         first = 0;
1758                                 } else {
1759                                         buffer_add(select_buf, ",");
1760                                 }
1761
1762                                 if ((__tmp = jsonObjectGetKey( selfield->item, "alias" ))) {
1763                                         __alias = jsonObjectToSimpleString( __tmp );
1764                                 } else {
1765                                         __alias = strdup(__column);
1766                                 }
1767
1768                                 if (jsonObjectGetKey( selfield->item, "transform" )) {
1769                                         free(__column);
1770                                         __column = searchFieldTransform(cname, field, selfield->item);
1771                                         buffer_fadd(select_buf, " %s AS \"%s\"", __column, __alias);
1772                                 } else {
1773                                         buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
1774                                 }
1775                         }
1776
1777                         if (is_agg->size || (flags & SELECT_DISTINCT)) {
1778
1779                                 if (!jsonBoolIsTrue( jsonObjectGetKey( selfield->item, "aggregate" ) )) {
1780                                         if (gfirst) {
1781                                                 gfirst = 0;
1782                                         } else {
1783                                                 buffer_add(group_buf, ",");
1784                                         }
1785
1786                                         buffer_fadd(group_buf, " %d", sel_pos);
1787                                 /*
1788                                 } else if (is_agg = jsonObjectGetKey( selfield->item, "having" )) {
1789                                         if (gfirst) {
1790                                                 gfirst = 0;
1791                                         } else {
1792                                                 buffer_add(group_buf, ",");
1793                                         }
1794
1795                                         __column = searchFieldTransform(cname, field, selfield->item);
1796                                         buffer_fadd(group_buf, " %s", __column);
1797                                         __column = searchFieldTransform(cname, field, selfield->item);
1798                                 */
1799                                 }
1800                         }
1801
1802                         if (__column) free(__column);
1803                         if (__alias) free(__alias);
1804
1805                         sel_pos++;
1806                 }
1807         }
1808
1809         if (is_agg) jsonObjectFree(is_agg);
1810
1811         char* col_list = buffer_data(select_buf);
1812         buffer_free(select_buf);
1813
1814         char* table = getSourceDefinition(core_meta);
1815
1816         // Put it all together
1817         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\" ", col_list, table, core_class );
1818         free(col_list);
1819         free(table);
1820
1821         // Now, walk the join tree and add that clause
1822         if ( join_hash ) {
1823                 char* join_clause = searchJOIN( join_hash, core_meta );
1824                 buffer_add(sql_buf, join_clause);
1825                 free(join_clause);
1826         }
1827
1828         if ( search_hash ) {
1829                 buffer_add(sql_buf, " WHERE ");
1830
1831                 // and it's on the the WHERE clause
1832                 char* pred = searchWHERE( search_hash, core_meta, AND_OP_JOIN );
1833                 if (!pred) {
1834                         osrfAppSessionStatus(
1835                                 ctx->session,
1836                                 OSRF_STATUS_INTERNALSERVERERROR,
1837                                 "osrfMethodException",
1838                                 ctx->request,
1839                                 "Severe query error -- see error log for more details"
1840                         );
1841                         free(core_class);
1842                         buffer_free(sql_buf);
1843                         if (defaultselhash) jsonObjectFree(defaultselhash);
1844                         return NULL;
1845                 } else {
1846                         buffer_add(sql_buf, pred);
1847                         free(pred);
1848                 }
1849         }
1850
1851         first = 1;
1852         jsonObjectIterator* class_itr = jsonNewObjectIterator( order_hash );
1853         while ( (snode = jsonObjectIteratorNext( class_itr )) ) {
1854
1855                 if (!jsonObjectGetKey(selhash,snode->key))
1856                         continue;
1857
1858                 if ( snode->item->type == JSON_HASH ) {
1859
1860                         jsonObjectIterator* order_itr = jsonNewObjectIterator( snode->item );
1861                         while ( (onode = jsonObjectIteratorNext( order_itr )) ) {
1862
1863                                 if (!oilsIDLFindPath( "/%s/fields/%s", snode->key, onode->key ))
1864                                         continue;
1865
1866                                 char* direction = NULL;
1867                                 if ( onode->item->type == JSON_HASH ) {
1868                                         if ( jsonObjectGetKey( onode->item, "transform" ) ) {
1869                                                 string = searchFieldTransform(
1870                                                         snode->key,
1871                                                         oilsIDLFindPath( "/%s/fields/%s", snode->key, onode->key ),
1872                                                         onode->item
1873                                                 );
1874                                         } else {
1875                                                 growing_buffer* field_buf = buffer_init(16);
1876                                                 buffer_fadd(field_buf, "\"%s\".%s", snode->key, onode->key);
1877                                                 string = buffer_data(field_buf);
1878                                                 buffer_free(field_buf);
1879                                         }
1880
1881                                         if ( (__tmp = jsonObjectGetKey( onode->item, "direction" )) ) {
1882                                                 direction = jsonObjectToSimpleString(__tmp);
1883                                                 if (!strncasecmp(direction, "d", 1)) {
1884                                                         free(direction);
1885                                                         direction = " DESC";
1886                                                 } else {
1887                                                         free(direction);
1888                                                         direction = " ASC";
1889                                                 }
1890                                         }
1891
1892                                 } else {
1893                                         string = strdup(onode->key);
1894                                         direction = jsonObjectToSimpleString(onode->item);
1895                                         if (!strncasecmp(direction, "d", 1)) {
1896                                                 free(direction);
1897                                                 direction = " DESC";
1898                                         } else {
1899                                                 free(direction);
1900                                                 direction = " ASC";
1901                                         }
1902                                 }
1903
1904                                 if (first) {
1905                                         first = 0;
1906                                 } else {
1907                                         buffer_add(order_buf, ", ");
1908                                 }
1909
1910                                 buffer_add(order_buf, string);
1911                                 free(string);
1912
1913                                 if (direction) {
1914                                         buffer_add(order_buf, direction);
1915                                 }
1916
1917                         }
1918
1919                 } else if ( snode->item->type == JSON_ARRAY ) {
1920
1921                         jsonObjectIterator* order_itr = jsonNewObjectIterator( snode->item );
1922                         while ( (onode = jsonObjectIteratorNext( order_itr )) ) {
1923
1924                                 char* _f = jsonObjectToSimpleString( onode->item );
1925
1926                                 if (!oilsIDLFindPath( "/%s/fields/%s", snode->key, _f))
1927                                         continue;
1928
1929                                 if (first) {
1930                                         first = 0;
1931                                 } else {
1932                                         buffer_add(order_buf, ", ");
1933                                 }
1934
1935                                 buffer_add(order_buf, _f);
1936                                 free(_f);
1937
1938                         }
1939
1940                 // IT'S THE OOOOOOOOOOOLD STYLE!
1941                 } else {
1942                         osrfLogError(OSRF_LOG_MARK, "%s: Possible SQL injection attempt; direct order by is not allowed", MODULENAME);
1943                         osrfAppSessionStatus(
1944                                 ctx->session,
1945                                 OSRF_STATUS_INTERNALSERVERERROR,
1946                                 "osrfMethodException",
1947                                 ctx->request,
1948                                 "Severe query error -- see error log for more details"
1949                         );
1950
1951                         free(core_class);
1952                         buffer_free(order_buf);
1953                         buffer_free(sql_buf);
1954                         if (defaultselhash) jsonObjectFree(defaultselhash);
1955                         return NULL;
1956                 }
1957
1958         }
1959
1960         string = buffer_data(group_buf);
1961         buffer_free(group_buf);
1962
1963         if (strlen(string)) {
1964                 buffer_fadd(
1965                         sql_buf,
1966                         " GROUP BY %s",
1967                         string
1968                 );
1969         }
1970
1971         free(string);
1972
1973         string = buffer_data(having_buf);
1974         buffer_free(having_buf);
1975
1976         if (strlen(string)) {
1977                 buffer_fadd(
1978                         sql_buf,
1979                         " HAVING %s",
1980                         string
1981                 );
1982         }
1983
1984         free(string);
1985
1986         string = buffer_data(order_buf);
1987         buffer_free(order_buf);
1988
1989         if (strlen(string)) {
1990                 buffer_fadd(
1991                         sql_buf,
1992                         " ORDER BY %s",
1993                         string
1994                 );
1995         }
1996
1997         free(string);
1998
1999         if ( limit ){
2000                 string = jsonObjectToSimpleString(limit);
2001                 buffer_fadd( sql_buf, " LIMIT %d", atoi(string) );
2002                 free(string);
2003         }
2004
2005         if (offset) {
2006                 string = jsonObjectToSimpleString(offset);
2007                 buffer_fadd( sql_buf, " OFFSET %d", atoi(string) );
2008                 free(string);
2009         }
2010
2011         buffer_add(sql_buf, ";");
2012
2013         sql = buffer_data(sql_buf);
2014
2015         free(core_class);
2016         buffer_free(sql_buf);
2017         if (defaultselhash) jsonObjectFree(defaultselhash);
2018
2019         return sql;
2020
2021 }
2022
2023 char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
2024
2025         osrfHash* fields = osrfHashGet(meta, "fields");
2026         char* core_class = osrfHashGet(meta, "classname");
2027
2028         jsonObject* join_hash = jsonObjectGetKey( order_hash, "join" );
2029
2030         jsonObjectNode* node = NULL;
2031         jsonObjectNode* snode = NULL;
2032         jsonObjectNode* onode = NULL;
2033         jsonObject* _tmp = NULL;
2034         jsonObject* selhash = NULL;
2035         jsonObject* defaultselhash = NULL;
2036
2037         growing_buffer* sql_buf = buffer_init(128);
2038         growing_buffer* select_buf = buffer_init(128);
2039
2040         if ( !(selhash = jsonObjectGetKey( order_hash, "select" )) ) {
2041                 defaultselhash = jsonParseString( "{}" );
2042                 selhash = defaultselhash;
2043         }
2044
2045         if ( !jsonObjectGetKey(selhash,core_class) ) {
2046                 jsonObjectSetKey( selhash, core_class, jsonParseString( "[]" ) );
2047                 jsonObject* flist = jsonObjectGetKey( selhash, core_class );
2048
2049                 int i = 0;
2050                 char* field;
2051
2052                 osrfStringArray* keys = osrfHashKeys( fields );
2053                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2054                         if ( strcasecmp( "true", osrfHashGet( osrfHashGet( fields, field ), "virtual" ) ) )
2055                                 jsonObjectPush( flist, jsonNewObject( field ) );
2056                 }
2057                 osrfStringArrayFree(keys);
2058         }
2059
2060         int first = 1;
2061         jsonObjectIterator* class_itr = jsonNewObjectIterator( selhash );
2062         while ( (snode = jsonObjectIteratorNext( class_itr )) ) {
2063
2064                 osrfHash* idlClass = osrfHashGet( oilsIDL(), snode->key );
2065                 if (!idlClass) continue;
2066                 char* cname = osrfHashGet(idlClass, "classname");
2067
2068                 if (strcmp(core_class,snode->key)) {
2069                         if (!join_hash) continue;
2070
2071                         jsonObject* found =  jsonObjectFindPath(join_hash, "//%s", snode->key);
2072                         if (!found->size) {
2073                                 jsonObjectFree(found);
2074                                 continue;
2075                         }
2076
2077                         jsonObjectFree(found);
2078                 }
2079
2080                 jsonObjectIterator* select_itr = jsonNewObjectIterator( snode->item );
2081                 while ( (node = jsonObjectIteratorNext( select_itr )) ) {
2082                         osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), jsonObjectToSimpleString(node->item) );
2083                         char* fname = osrfHashGet(field, "name");
2084                         char* locale = osrf_message_get_last_locale();
2085
2086                         if (!field) continue;
2087
2088                         if (first) {
2089                                 first = 0;
2090                         } else {
2091                                 buffer_add(select_buf, ",");
2092                         }
2093
2094             if (locale) {
2095                         char* i18n = osrfHashGet(field, "i18n");
2096
2097                         if ( i18n && !strncasecmp("true", i18n, 4)) {
2098                         char* pkey = osrfHashGet(idlClass, "primarykey");
2099                         char* tname = osrfHashGet(idlClass, "tablename");
2100
2101                             buffer_fadd(select_buf, " COALESCE( oils_i18n_xlate('%s.%s', \"%s\".%s::TEXT, '%s'), \"%s\".%s )", tname, fname, cname, pkey, locale, cname, fname);
2102                 } else {
2103                                 buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2104                 }
2105             } else {
2106                             buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2107             }
2108                 }
2109         }
2110
2111         char* col_list = buffer_data(select_buf);
2112         buffer_free(select_buf);
2113
2114         char* table = getSourceDefinition(meta);
2115
2116         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\"", col_list, table, core_class );
2117         free(table);
2118
2119         if ( join_hash ) {
2120                 char* join_clause = searchJOIN( join_hash, meta );
2121                 buffer_fadd(sql_buf, " %s", join_clause);
2122                 free(join_clause);
2123         }
2124
2125         char* tmpsql = buffer_data(sql_buf);
2126         osrfLogDebug(OSRF_LOG_MARK, "%s pre-predicate SQL =  %s", MODULENAME, tmpsql);
2127         free(tmpsql);
2128
2129         buffer_add(sql_buf, " WHERE ");
2130
2131         char* pred = searchWHERE( search_hash, meta, AND_OP_JOIN );
2132         if (!pred) {
2133                 osrfAppSessionStatus(
2134                         ctx->session,
2135                         OSRF_STATUS_INTERNALSERVERERROR,
2136                                 "osrfMethodException",
2137                                 ctx->request,
2138                                 "Severe query error -- see error log for more details"
2139                         );
2140                 buffer_free(sql_buf);
2141                 return NULL;
2142         } else {
2143                 buffer_add(sql_buf, pred);
2144                 free(pred);
2145         }
2146
2147         if (order_hash) {
2148                 char* string = NULL;
2149                 if ( (_tmp = jsonObjectGetKey( order_hash, "order_by" )) ){
2150
2151                         growing_buffer* order_buf = buffer_init(128);
2152
2153                         first = 1;
2154                         jsonObjectIterator* class_itr = jsonNewObjectIterator( _tmp );
2155                         while ( (snode = jsonObjectIteratorNext( class_itr )) ) {
2156
2157                                 if (!jsonObjectGetKey(selhash,snode->key))
2158                                         continue;
2159
2160                                 if ( snode->item->type == JSON_HASH ) {
2161
2162                                         jsonObjectIterator* order_itr = jsonNewObjectIterator( snode->item );
2163                                         while ( (onode = jsonObjectIteratorNext( order_itr )) ) {
2164
2165                                                 if (!oilsIDLFindPath( "/%s/fields/%s", snode->key, onode->key ))
2166                                                         continue;
2167
2168                                                 char* direction = NULL;
2169                                                 if ( onode->item->type == JSON_HASH ) {
2170                                                         if ( jsonObjectGetKey( onode->item, "transform" ) ) {
2171                                                                 string = searchFieldTransform(
2172                                                                         snode->key,
2173                                                                         oilsIDLFindPath( "/%s/fields/%s", snode->key, onode->key ),
2174                                                                         onode->item
2175                                                                 );
2176                                                         } else {
2177                                                                 growing_buffer* field_buf = buffer_init(16);
2178                                                                 buffer_fadd(field_buf, "\"%s\".%s", snode->key, onode->key);
2179                                                                 string = buffer_data(field_buf);
2180                                                                 buffer_free(field_buf);
2181                                                         }
2182
2183                                                         if ( (_tmp = jsonObjectGetKey( onode->item, "direction" )) ) {
2184                                                                 direction = jsonObjectToSimpleString(_tmp);
2185                                                                 if (!strncasecmp(direction, "d", 1)) {
2186                                                                         free(direction);
2187                                                                         direction = " DESC";
2188                                                                 } else {
2189                                                                         free(direction);
2190                                                                         direction = " ASC";
2191                                                                 }
2192                                                         }
2193
2194                                                 } else {
2195                                                         string = strdup(onode->key);
2196                                                         direction = jsonObjectToSimpleString(onode->item);
2197                                                         if (!strncasecmp(direction, "d", 1)) {
2198                                                                 free(direction);
2199                                                                 direction = " DESC";
2200                                                         } else {
2201                                                                 free(direction);
2202                                                                 direction = " ASC";
2203                                                         }
2204                                                 }
2205
2206                                                 if (first) {
2207                                                         first = 0;
2208                                                 } else {
2209                                                         buffer_add(order_buf, ", ");
2210                                                 }
2211
2212                                                 buffer_add(order_buf, string);
2213                                                 free(string);
2214
2215                                                 if (direction) {
2216                                                         buffer_add(order_buf, direction);
2217                                                 }
2218
2219                                         }
2220
2221                                 } else {
2222                                         string = jsonObjectToSimpleString(snode->item);
2223                                         buffer_add(order_buf, string);
2224                                         free(string);
2225                                         break;
2226                                 }
2227
2228                         }
2229
2230                         string = buffer_data(order_buf);
2231                         buffer_free(order_buf);
2232
2233                         if (strlen(string)) {
2234                                 buffer_fadd(
2235                                         sql_buf,
2236                                         " ORDER BY %s",
2237                                         string
2238                                 );
2239                         }
2240
2241                         free(string);
2242                 }
2243
2244                 if ( (_tmp = jsonObjectGetKey( order_hash, "limit" )) ){
2245                         string = jsonObjectToSimpleString(_tmp);
2246                         buffer_fadd(
2247                                 sql_buf,
2248                                 " LIMIT %d",
2249                                 atoi(string)
2250                         );
2251                         free(string);
2252                 }
2253
2254                 _tmp = jsonObjectGetKey( order_hash, "offset" );
2255                 if (_tmp) {
2256                         string = jsonObjectToSimpleString(_tmp);
2257                         buffer_fadd(
2258                                 sql_buf,
2259                                 " OFFSET %d",
2260                                 atoi(string)
2261                         );
2262                         free(string);
2263                 }
2264         }
2265
2266         buffer_add(sql_buf, ";");
2267
2268         char* sql = buffer_data(sql_buf);
2269         buffer_free(sql_buf);
2270         if (defaultselhash) jsonObjectFree(defaultselhash);
2271
2272         return sql;
2273 }
2274
2275 int doJSONSearch ( osrfMethodContext* ctx ) {
2276         OSRF_METHOD_VERIFY_CONTEXT(ctx);
2277         osrfLogDebug(OSRF_LOG_MARK, "Recieved query request");
2278
2279         int err = 0;
2280
2281         // XXX for now...
2282         dbhandle = writehandle;
2283
2284         jsonObject* hash = jsonObjectGetIndex(ctx->params, 0);
2285
2286         osrfLogDebug(OSRF_LOG_MARK, "Building SQL ...");
2287         char* sql = SELECT(
2288                         ctx,
2289                         jsonObjectGetKey( hash, "select" ),
2290                         jsonObjectGetKey( hash, "from" ),
2291                         jsonObjectGetKey( hash, "where" ),
2292                         jsonObjectGetKey( hash, "order_by" ),
2293                         jsonObjectGetKey( hash, "limit" ),
2294                         jsonObjectGetKey( hash, "offset" ),
2295                         jsonBoolIsTrue(jsonObjectGetKey( hash, "distinct" )) ? SELECT_DISTINCT : 0
2296         );
2297
2298         if (!sql) {
2299                 err = -1;
2300                 return err;
2301         }
2302
2303         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
2304         dbi_result result = dbi_conn_query(dbhandle, sql);
2305
2306         if(result) {
2307                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
2308
2309                 if (dbi_result_first_row(result)) {
2310                         /* JSONify the result */
2311                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
2312
2313                         do {
2314                                 osrfAppRespond( ctx, oilsMakeJSONFromResult( result ) );
2315                         } while (dbi_result_next_row(result));
2316
2317                 } else {
2318                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
2319                 }
2320
2321                 osrfAppRespondComplete( ctx, NULL );
2322
2323                 /* clean up the query */
2324                 dbi_result_free(result);
2325
2326         } else {
2327                 err = -1;
2328                 osrfLogError(OSRF_LOG_MARK, "%s: Error with query [%s]", MODULENAME, sql);
2329                 osrfAppSessionStatus(
2330                         ctx->session,
2331                         OSRF_STATUS_INTERNALSERVERERROR,
2332                         "osrfMethodException",
2333                         ctx->request,
2334                         "Severe query error -- see error log for more details"
2335                 );
2336         }
2337
2338         free(sql);
2339         return err;
2340 }
2341
2342 jsonObject* doFieldmapperSearch ( osrfMethodContext* ctx, osrfHash* meta, jsonObject* params, int* err ) {
2343
2344         // XXX for now...
2345         dbhandle = writehandle;
2346
2347         osrfHash* links = osrfHashGet(meta, "links");
2348         osrfHash* fields = osrfHashGet(meta, "fields");
2349         char* core_class = osrfHashGet(meta, "classname");
2350         char* pkey = osrfHashGet(meta, "primarykey");
2351
2352         jsonObject* _tmp;
2353         jsonObject* obj;
2354         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
2355         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
2356
2357         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
2358         if (!sql) {
2359                 *err = -1;
2360                 return NULL;
2361         }
2362
2363         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
2364         dbi_result result = dbi_conn_query(dbhandle, sql);
2365
2366         osrfHash* dedup = osrfNewHash();
2367         jsonObject* res_list = jsonParseString("[]");
2368         if(result) {
2369                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
2370
2371                 if (dbi_result_first_row(result)) {
2372                         /* JSONify the result */
2373                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
2374                         do {
2375                                 obj = oilsMakeFieldmapperFromResult( result, meta );
2376                                 int pkey_pos = atoi( osrfHashGet( osrfHashGet( fields, pkey ), "array_position" ) );
2377                                 char* pkey_val = jsonObjectToSimpleString( jsonObjectGetIndex( obj, pkey_pos ) );
2378                                 if ( osrfHashGet( dedup, pkey_val ) ) {
2379                                         jsonObjectFree(obj);
2380                                 } else {
2381                                         osrfHashSet( dedup, pkey_val, pkey_val );
2382                                         jsonObjectPush(res_list, obj);
2383                                 }
2384                         } while (dbi_result_next_row(result));
2385                 } else {
2386                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
2387                 }
2388
2389                 /* clean up the query */
2390                 dbi_result_free(result);
2391
2392         } else {
2393                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]", MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
2394                 osrfAppSessionStatus(
2395                         ctx->session,
2396                         OSRF_STATUS_INTERNALSERVERERROR,
2397                         "osrfMethodException",
2398                         ctx->request,
2399                         "Severe query error -- see error log for more details"
2400                 );
2401                 *err = -1;
2402                 free(sql);
2403                 jsonObjectFree(res_list);
2404                 return jsonNULL;
2405
2406         }
2407
2408         free(sql);
2409
2410         if (res_list->size && order_hash) {
2411                 _tmp = jsonObjectGetKey( order_hash, "flesh" );
2412                 if (_tmp) {
2413                         int x = (int)jsonObjectGetNumber(_tmp);
2414                         if (x == -1 || x > max_flesh_depth) x = max_flesh_depth;
2415
2416                         jsonObject* flesh_blob = NULL;
2417                         if ((flesh_blob = jsonObjectGetKey( order_hash, "flesh_fields" )) && x > 0) {
2418
2419                                 flesh_blob = jsonObjectClone( flesh_blob );
2420                                 jsonObject* flesh_fields = jsonObjectGetKey( flesh_blob, core_class );
2421
2422                                 osrfStringArray* link_fields = NULL;
2423
2424                                 if (flesh_fields) {
2425                                         if (flesh_fields->size == 1) {
2426                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
2427                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
2428                                                 free(_t);
2429                                         }
2430
2431                                         if (!link_fields) {
2432                                                 jsonObjectNode* _f;
2433                                                 link_fields = osrfNewStringArray(1);
2434                                                 jsonObjectIterator* _i = jsonNewObjectIterator( flesh_fields );
2435                                                 while ((_f = jsonObjectIteratorNext( _i ))) {
2436                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f->item ) );
2437                                                 }
2438                                         }
2439                                 }
2440
2441                                 jsonObjectNode* cur;
2442                                 jsonObjectIterator* itr = jsonNewObjectIterator( res_list );
2443                                 while ((cur = jsonObjectIteratorNext( itr ))) {
2444
2445                                         int i = 0;
2446                                         char* link_field;
2447
2448                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
2449
2450                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
2451
2452                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
2453                                                 if (!kid_link) continue;
2454
2455                                                 osrfHash* field = osrfHashGet(fields, link_field);
2456                                                 if (!field) continue;
2457
2458                                                 osrfHash* value_field = field;
2459
2460                                                 osrfHash* kid_idl = osrfHashGet(oilsIDL(), osrfHashGet(kid_link, "class"));
2461                                                 if (!kid_idl) continue;
2462
2463                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
2464                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
2465                                                 }
2466
2467                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
2468                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
2469                                                 }
2470
2471                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
2472
2473                                                 if (link_map->size > 0) {
2474                                                         jsonObject* _kid_key = jsonParseString("[]");
2475                                                         jsonObjectPush(
2476                                                                 _kid_key,
2477                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
2478                                                         );
2479
2480                                                         jsonObjectSetKey(
2481                                                                 flesh_blob,
2482                                                                 osrfHashGet(kid_link, "class"),
2483                                                                 _kid_key
2484                                                         );
2485                                                 };
2486
2487                                                 osrfLogDebug(
2488                                                         OSRF_LOG_MARK,
2489                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
2490                                                         osrfHashGet(kid_link, "field"),
2491                                                         osrfHashGet(kid_link, "class"),
2492                                                         osrfHashGet(kid_link, "key"),
2493                                                         osrfHashGet(kid_link, "reltype")
2494                                                 );
2495
2496                                                 jsonObject* fake_params = jsonParseString("[]");
2497                                                 jsonObjectPush(fake_params, jsonParseString("{}")); // search hash
2498                                                 jsonObjectPush(fake_params, jsonParseString("{}")); // order/flesh hash
2499
2500                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
2501
2502                                                 char* search_key =
2503                                                 jsonObjectToSimpleString(
2504                                                         jsonObjectGetIndex(
2505                                                                 cur->item,
2506                                                                 atoi( osrfHashGet(value_field, "array_position") )
2507                                                         )
2508                                                 );
2509
2510                                                 if (!search_key) {
2511                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
2512                                                         continue;
2513                                                 }
2514
2515                                                 jsonObjectSetKey(
2516                                                         jsonObjectGetIndex(fake_params, 0),
2517                                                         osrfHashGet(kid_link, "key"),
2518                                                         jsonNewObject( search_key )
2519                                                 );
2520
2521                                                 free(search_key);
2522
2523
2524                                                 jsonObjectSetKey(
2525                                                         jsonObjectGetIndex(fake_params, 1),
2526                                                         "flesh",
2527                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
2528                                                 );
2529
2530                                                 if (flesh_blob)
2531                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
2532
2533                                                 if (jsonObjectGetKey(order_hash, "order_by")) {
2534                                                         jsonObjectSetKey(
2535                                                                 jsonObjectGetIndex(fake_params, 1),
2536                                                                 "order_by",
2537                                                                 jsonObjectClone(jsonObjectGetKey(order_hash, "order_by"))
2538                                                         );
2539                                                 }
2540
2541                                                 if (jsonObjectGetKey(order_hash, "select")) {
2542                                                         jsonObjectSetKey(
2543                                                                 jsonObjectGetIndex(fake_params, 1),
2544                                                                 "select",
2545                                                                 jsonObjectClone(jsonObjectGetKey(order_hash, "select"))
2546                                                         );
2547                                                 }
2548
2549                                                 jsonObject* kids = doFieldmapperSearch(ctx, kid_idl, fake_params, err);
2550
2551                                                 if(*err) {
2552                                                         jsonObjectFree( fake_params );
2553                                                         osrfStringArrayFree(link_fields);
2554                                                         jsonObjectIteratorFree(itr);
2555                                                         jsonObjectFree(res_list);
2556                                                         return jsonNULL;
2557                                                 }
2558
2559                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
2560
2561                                                 jsonObject* X = NULL;
2562                                                 if ( link_map->size > 0 && kids->size > 0 ) {
2563                                                         X = kids;
2564                                                         kids = jsonParseString("[]");
2565
2566                                                         jsonObjectNode* _k_node;
2567                                                         jsonObjectIterator* _k = jsonNewObjectIterator( X );
2568                                                         while ((_k_node = jsonObjectIteratorNext( _k ))) {
2569                                                                 jsonObjectPush(
2570                                                                         kids,
2571                                                                         jsonObjectClone(
2572                                                                                 jsonObjectGetIndex(
2573                                                                                         _k_node->item,
2574                                                                                         (unsigned long)atoi(
2575                                                                                                 osrfHashGet(
2576                                                                                                         osrfHashGet(
2577                                                                                                                 osrfHashGet(
2578                                                                                                                         osrfHashGet(
2579                                                                                                                                 oilsIDL(),
2580                                                                                                                                 osrfHashGet(kid_link, "class")
2581                                                                                                                         ),
2582                                                                                                                         "fields"
2583                                                                                                                 ),
2584                                                                                                                 osrfStringArrayGetString( link_map, 0 )
2585                                                                                                         ),
2586                                                                                                         "array_position"
2587                                                                                                 )
2588                                                                                         )
2589                                                                                 )
2590                                                                         )
2591                                                                 );
2592                                                         }
2593                                                 }
2594
2595                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
2596                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
2597                                                         jsonObjectSetIndex(
2598                                                                 cur->item,
2599                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
2600                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
2601                                                         );
2602                                                 }
2603
2604                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
2605                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
2606                                                         jsonObjectSetIndex(
2607                                                                 cur->item,
2608                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
2609                                                                 jsonObjectClone( kids )
2610                                                         );
2611                                                 }
2612
2613                                                 if (X) {
2614                                                         jsonObjectFree(kids);
2615                                                         kids = X;
2616                                                 }
2617
2618                                                 jsonObjectFree( kids );
2619                                                 jsonObjectFree( fake_params );
2620
2621                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
2622                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur->item));
2623
2624                                         }
2625                                 }
2626                                 jsonObjectFree( flesh_blob );
2627                                 osrfStringArrayFree(link_fields);
2628                                 jsonObjectIteratorFree(itr);
2629                         }
2630                 }
2631         }
2632
2633         return res_list;
2634 }
2635
2636
2637 jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
2638
2639         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
2640         jsonObject* target = jsonObjectGetIndex(ctx->params, 0);
2641
2642         if (!verifyObjectClass(ctx, target)) {
2643                 *err = -1;
2644                 return jsonNULL;
2645         }
2646
2647         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
2648                 osrfAppSessionStatus(
2649                         ctx->session,
2650                         OSRF_STATUS_BADREQUEST,
2651                         "osrfMethodException",
2652                         ctx->request,
2653                         "No active transaction -- required for UPDATE"
2654                 );
2655                 *err = -1;
2656                 return jsonNULL;
2657         }
2658
2659         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
2660                 osrfAppSessionStatus(
2661                         ctx->session,
2662                         OSRF_STATUS_BADREQUEST,
2663                         "osrfMethodException",
2664                         ctx->request,
2665                         "Cannot UPDATE readonly class"
2666                 );
2667                 *err = -1;
2668                 return jsonNULL;
2669         }
2670
2671         dbhandle = writehandle;
2672
2673         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
2674
2675         // Set the last_xact_id
2676         osrfHash* last_xact_id;
2677         if ((last_xact_id = oilsIDLFindPath("/%s/fields/last_xact_id", target->classname))) {
2678                 int index = atoi( osrfHashGet(last_xact_id, "array_position") );
2679                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
2680                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
2681         }
2682
2683         char* pkey = osrfHashGet(meta, "primarykey");
2684         osrfHash* fields = osrfHashGet(meta, "fields");
2685
2686         char* id =
2687                 jsonObjectToSimpleString(
2688                         jsonObjectGetIndex(
2689                                 target,
2690                                 atoi( osrfHashGet( osrfHashGet( fields, pkey ), "array_position" ) )
2691                         )
2692                 );
2693
2694         osrfLogDebug(
2695                 OSRF_LOG_MARK,
2696                 "%s updating %s object with %s = %s",
2697                 MODULENAME,
2698                 osrfHashGet(meta, "fieldmapper"),
2699                 pkey,
2700                 id
2701         );
2702
2703         growing_buffer* sql = buffer_init(128);
2704         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
2705
2706         int i = 0;
2707         int first = 1;
2708         char* field_name;
2709         osrfStringArray* field_list = osrfHashKeys( fields );
2710         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
2711
2712                 osrfHash* field = osrfHashGet( fields, field_name );
2713
2714                 if(!( strcmp( field_name, pkey ) )) continue;
2715                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
2716
2717                 jsonObject* field_object = jsonObjectGetIndex( target, atoi(osrfHashGet(field, "array_position")) );
2718
2719                 char* value;
2720                 if (field_object && field_object->classname) {
2721                         value = jsonObjectToSimpleString(
2722                                         jsonObjectGetIndex(
2723                                                 field_object,
2724                                                 atoi(
2725                                                         osrfHashGet(
2726                                                                 osrfHashGet(
2727                                                                         oilsIDLFindPath("/%s/fields", field_object->classname),
2728                                                                         (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
2729                                                                 ),
2730                                                                 "array_position"
2731                                                         )
2732                                                 )
2733                                         )
2734                                 );
2735
2736                 } else {
2737                         value = jsonObjectToSimpleString( field_object );
2738                 }
2739
2740                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
2741
2742                 if (!field_object || field_object->type == JSON_NULL) {
2743                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
2744                                 if (first) first = 0;
2745                                 else buffer_add(sql, ",");
2746                                 buffer_fadd( sql, " %s = NULL", field_name );
2747                         }
2748
2749                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
2750                         if (first) first = 0;
2751                         else buffer_add(sql, ",");
2752
2753                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
2754                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
2755                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
2756                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
2757                         }
2758
2759                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
2760
2761                 } else {
2762                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
2763                                 if (first) first = 0;
2764                                 else buffer_add(sql, ",");
2765                                 buffer_fadd( sql, " %s = %s", field_name, value );
2766
2767                         } else {
2768                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
2769                                 osrfAppSessionStatus(
2770                                         ctx->session,
2771                                         OSRF_STATUS_INTERNALSERVERERROR,
2772                                         "osrfMethodException",
2773                                         ctx->request,
2774                                         "Error quoting string -- please see the error log for more details"
2775                                 );
2776                                 free(value);
2777                                 free(id);
2778                                 buffer_free(sql);
2779                                 *err = -1;
2780                                 return jsonNULL;
2781                         }
2782                 }
2783
2784                 free(value);
2785
2786         }
2787
2788         jsonObject* obj = jsonParseString(id);
2789
2790         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
2791                 dbi_conn_quote_string(dbhandle, &id);
2792
2793         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
2794
2795         char* query = buffer_data(sql);
2796         buffer_free(sql);
2797
2798         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
2799
2800         dbi_result result = dbi_conn_query(dbhandle, query);
2801         free(query);
2802
2803         if (!result) {
2804                 jsonObjectFree(obj);
2805                 obj = jsonNewObject(NULL);
2806                 osrfLogError(
2807                         OSRF_LOG_MARK,
2808                         "%s ERROR updating %s object with %s = %s",
2809                         MODULENAME,
2810                         osrfHashGet(meta, "fieldmapper"),
2811                         pkey,
2812                         id
2813                 );
2814         }
2815
2816         free(id);
2817
2818         return obj;
2819 }
2820
2821 jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
2822
2823         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
2824
2825         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
2826                 osrfAppSessionStatus(
2827                         ctx->session,
2828                         OSRF_STATUS_BADREQUEST,
2829                         "osrfMethodException",
2830                         ctx->request,
2831                         "No active transaction -- required for DELETE"
2832                 );
2833                 *err = -1;
2834                 return jsonNULL;
2835         }
2836
2837         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
2838                 osrfAppSessionStatus(
2839                         ctx->session,
2840                         OSRF_STATUS_BADREQUEST,
2841                         "osrfMethodException",
2842                         ctx->request,
2843                         "Cannot DELETE readonly class"
2844                 );
2845                 *err = -1;
2846                 return jsonNULL;
2847         }
2848
2849         dbhandle = writehandle;
2850
2851         jsonObject* obj;
2852
2853         char* pkey = osrfHashGet(meta, "primarykey");
2854
2855         char* id;
2856         if (jsonObjectGetIndex(ctx->params, 0)->classname) {
2857                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, 0 ))) {
2858                         *err = -1;
2859                         return jsonNULL;
2860                 }
2861
2862                 id = jsonObjectToSimpleString(
2863                         jsonObjectGetIndex(
2864                                 jsonObjectGetIndex(ctx->params, 0),
2865                                 atoi( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "array_position") )
2866                         )
2867                 );
2868         } else {
2869                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
2870         }
2871
2872         osrfLogDebug(
2873                 OSRF_LOG_MARK,
2874                 "%s deleting %s object with %s = %s",
2875                 MODULENAME,
2876                 osrfHashGet(meta, "fieldmapper"),
2877                 pkey,
2878                 id
2879         );
2880
2881         obj = jsonParseString(id);
2882
2883         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
2884                 dbi_conn_quote_string(writehandle, &id);
2885
2886         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
2887
2888         if (!result) {
2889                 jsonObjectFree(obj);
2890                 obj = jsonNewObject(NULL);
2891                 osrfLogError(
2892                         OSRF_LOG_MARK,
2893                         "%s ERROR deleting %s object with %s = %s",
2894                         MODULENAME,
2895                         osrfHashGet(meta, "fieldmapper"),
2896                         pkey,
2897                         id
2898                 );
2899         }
2900
2901         free(id);
2902
2903         return obj;
2904
2905 }
2906
2907
2908 jsonObject* oilsMakeFieldmapperFromResult( dbi_result result, osrfHash* meta) {
2909         if(!(result && meta)) return jsonNULL;
2910
2911         jsonObject* object = jsonParseString("[]");
2912         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
2913
2914         osrfHash* fields = osrfHashGet(meta, "fields");
2915
2916         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
2917
2918         osrfHash* _f;
2919         time_t _tmp_dt;
2920         char dt_string[256];
2921         struct tm gmdt;
2922
2923         int fmIndex;
2924         int columnIndex = 1;
2925         int attr;
2926         unsigned short type;
2927         const char* columnName;
2928
2929         /* cycle through the column list */
2930         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
2931
2932                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
2933
2934                 fmIndex = -1; // reset the position
2935
2936                 /* determine the field type and storage attributes */
2937                 type = dbi_result_get_field_type(result, columnName);
2938                 attr = dbi_result_get_field_attribs(result, columnName);
2939
2940                 /* fetch the fieldmapper index */
2941                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
2942                         char* virt = (char*)osrfHashGet(_f, "virtual");
2943                         char* pos = (char*)osrfHashGet(_f, "array_position");
2944
2945                         if ( !virt || !pos || !(strcmp( virt, "true" )) ) continue;
2946
2947                         fmIndex = atoi( pos );
2948                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
2949                 } else {
2950                         continue;
2951                 }
2952
2953                 if (dbi_result_field_is_null(result, columnName)) {
2954                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
2955                 } else {
2956
2957                         switch( type ) {
2958
2959                                 case DBI_TYPE_INTEGER :
2960
2961                                         if( attr & DBI_INTEGER_SIZE8 )
2962                                                 jsonObjectSetIndex( object, fmIndex,
2963                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
2964                                         else
2965                                                 jsonObjectSetIndex( object, fmIndex,
2966                                                         jsonNewNumberObject(dbi_result_get_long(result, columnName)));
2967
2968                                         break;
2969
2970                                 case DBI_TYPE_DECIMAL :
2971                                         jsonObjectSetIndex( object, fmIndex,
2972                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
2973                                         break;
2974
2975                                 case DBI_TYPE_STRING :
2976
2977
2978                                         jsonObjectSetIndex(
2979                                                 object,
2980                                                 fmIndex,
2981                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
2982                                         );
2983
2984                                         break;
2985
2986                                 case DBI_TYPE_DATETIME :
2987
2988                                         memset(dt_string, '\0', sizeof(dt_string));
2989                                         memset(&gmdt, '\0', sizeof(gmdt));
2990                                         memset(&_tmp_dt, '\0', sizeof(_tmp_dt));
2991
2992                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
2993
2994                                         localtime_r( &_tmp_dt, &gmdt );
2995
2996                                         if (!(attr & DBI_DATETIME_DATE)) {
2997                                                 strftime(dt_string, 255, "%T", &gmdt);
2998                                         } else if (!(attr & DBI_DATETIME_TIME)) {
2999                                                 strftime(dt_string, 255, "%F", &gmdt);
3000                                         } else {
3001                                                 strftime(dt_string, 255, "%FT%T%z", &gmdt);
3002                                         }
3003
3004                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
3005
3006                                         break;
3007
3008                                 case DBI_TYPE_BINARY :
3009                                         osrfLogError( OSRF_LOG_MARK,
3010                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3011                         }
3012                 }
3013         }
3014
3015         return object;
3016 }
3017 jsonObject* oilsMakeJSONFromResult( dbi_result result ) {
3018         if(!result) return jsonNULL;
3019
3020         jsonObject* object = jsonParseString("{}");
3021
3022         time_t _tmp_dt;
3023         char dt_string[256];
3024         struct tm gmdt;
3025
3026         int fmIndex;
3027         int columnIndex = 1;
3028         int attr;
3029         unsigned short type;
3030         const char* columnName;
3031
3032         /* cycle through the column list */
3033         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3034
3035                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3036
3037                 fmIndex = -1; // reset the position
3038
3039                 /* determine the field type and storage attributes */
3040                 type = dbi_result_get_field_type(result, columnName);
3041                 attr = dbi_result_get_field_attribs(result, columnName);
3042
3043                 if (dbi_result_field_is_null(result, columnName)) {
3044                         jsonObjectSetKey( object, columnName, jsonNewObject(NULL) );
3045                 } else {
3046
3047                         switch( type ) {
3048
3049                                 case DBI_TYPE_INTEGER :
3050
3051                                         if( attr & DBI_INTEGER_SIZE8 )
3052                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_longlong(result, columnName)) );
3053                                         else
3054                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_long(result, columnName)) );
3055                                         break;
3056
3057                                 case DBI_TYPE_DECIMAL :
3058                                         jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_double(result, columnName)) );
3059                                         break;
3060
3061                                 case DBI_TYPE_STRING :
3062                                         jsonObjectSetKey( object, columnName, jsonNewObject(dbi_result_get_string(result, columnName)) );
3063                                         break;
3064
3065                                 case DBI_TYPE_DATETIME :
3066
3067                                         memset(dt_string, '\0', sizeof(dt_string));
3068                                         memset(&gmdt, '\0', sizeof(gmdt));
3069                                         memset(&_tmp_dt, '\0', sizeof(_tmp_dt));
3070
3071                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3072
3073                                         localtime_r( &_tmp_dt, &gmdt );
3074
3075                                         if (!(attr & DBI_DATETIME_DATE)) {
3076                                                 strftime(dt_string, 255, "%T", &gmdt);
3077                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3078                                                 strftime(dt_string, 255, "%F", &gmdt);
3079                                         } else {
3080                                                 strftime(dt_string, 255, "%FT%T%z", &gmdt);
3081                                         }
3082
3083                                         jsonObjectSetKey( object, columnName, jsonNewObject(dt_string) );
3084                                         break;
3085
3086                                 case DBI_TYPE_BINARY :
3087                                         osrfLogError( OSRF_LOG_MARK,
3088                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3089                         }
3090                 }
3091         }
3092
3093         return object;
3094 }
3095