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

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