The Ecere SDK - sdk/blob - eda/drivers/sqlite/EDASQLite.ec

   1 #ifdef ECERE_STATIC
   2 public import static "ecere"
   3 public import static "EDA"
   4 #else
   5 public import "ecere"
   6 public import "EDA"
   7 #endif
   8
   9 #include "sqlite3.h"
  10
  11 static void UnusedFunction()
  12 {
  13    int a;
  14    a.OnGetString(0,0,0);
  15    a.OnFree();
  16    a.OnCopy(null);
  17    a.OnCompare(null);
  18    a.OnSaveEdit(null,0);
  19    a.OnEdit(null,null,0,0,0,0,0);
  20    a.OnDisplay(null,0,0,0,0,0,0);
  21    a.OnGetDataFromString(null);
  22    a.OnUnserialize(null);
  23    a.OnSerialize(null);
  24 }
  25
  26 default:
  27 extern int __ecereVMethodID_class_OnGetString;
  28 extern int __ecereVMethodID_class_OnGetDataFromString;
  29 extern int __ecereVMethodID_class_OnCompare;
  30 extern int __ecereVMethodID_class_OnSerialize;
  31 extern int __ecereVMethodID_class_OnUnserialize;
  32 extern int __ecereVMethodID_class_OnFree;
  33 private:
  34
  35 static int CollationCompare(Class type, int count1, void * data1, int count2, void * data2)
  36 {
  37    if(type.type == normalClass || type.type ==  noHeadClass)
  38    {
  39       Instance inst1, inst2;
  40       int result;
  41       SerialBuffer buffer1 { size = count1, count = count1, buffer = data1 };
  42       SerialBuffer buffer2 { size = count2, count = count2, buffer = data2 };
  43
  44       type._vTbl[__ecereVMethodID_class_OnUnserialize](type, &inst1, buffer1);
  45       type._vTbl[__ecereVMethodID_class_OnUnserialize](type, &inst2, buffer2);
  46
  47       result = type._vTbl[__ecereVMethodID_class_OnCompare](type, inst1, inst2);
  48
  49       buffer1.buffer = null;
  50       buffer2.buffer = null;
  51       delete buffer1;
  52       delete buffer2;
  53       inst1.OnFree();
  54       inst2.OnFree();
  55       return result;
  56    }
  57    else if(type.type == structClass)
  58    {
  59       void * inst1, * inst2;
  60       int result;
  61       SerialBuffer buffer1 { size = count1, count = count1, buffer = data1 };
  62       SerialBuffer buffer2 { size = count2, count = count2, buffer = data2 };
  63
  64       inst1 = new0 byte[type.structSize];
  65       inst2 = new0 byte[type.structSize];
  66       type._vTbl[__ecereVMethodID_class_OnUnserialize](type, inst1, buffer1);
  67       type._vTbl[__ecereVMethodID_class_OnUnserialize](type, inst2, buffer2);
  68
  69       result = type._vTbl[__ecereVMethodID_class_OnCompare](type, inst1, inst2);
  70
  71       buffer1.buffer = null;
  72       buffer2.buffer = null;
  73       delete buffer1;
  74       delete buffer2;
  75       delete inst1;
  76       delete inst2;
  77       return result;
  78    }
  79    else
  80       return type._vTbl[__ecereVMethodID_class_OnCompare](type, data1, data2);
  81 }
  82
  83 class SQLiteField : Field
  84 {
  85    char * name;
  86    Class type;
  87    int length;
  88    public LinkElement<SQLiteField> link;
  89    int num;
  90    int sqliteType;
  91
  92    ~SQLiteField()
  93    {
  94       delete name;
  95    }
  96
  97    String GetName()
  98    {
  99       return name;
 100    }
 101    Class GetType()
 102    {
 103       return type;
 104    }
 105    int GetLength() { return length; }
 106    Field GetPrev()
 107    {
 108       return link.prev;
 109    }
 110    Field GetNext()
 111    {
 112       return link.next;
 113    }
 114 }
 115
 116 static class SQLiteDataSource : DataSourceDriver
 117 {
 118    class_property(name) = "SQLite";
 119    String path;
 120    OldList listDatabases;
 121    uint databasesCount;
 122
 123    String BuildLocator(DataSource ds)
 124    {
 125       return CopyString(ds.host);
 126    }
 127
 128    uint GetDatabasesCount()
 129    {
 130       return databasesCount;
 131    }
 132
 133    ~SQLiteDataSource()
 134    {
 135       delete path;
 136    }
 137
 138    bool Connect(const String locator)
 139    {
 140       delete path;
 141       path = CopyString(locator);
 142       // TODO, use user name and password for local security?
 143       // TODO, open ds in read or write mode
 144       if(FileExists(path))
 145       {
 146          int n = 0;
 147          FileListing listing { path, "sqlite" };
 148          databasesCount = 0;
 149          while(listing.Find())
 150             databasesCount++;
 151          return true;
 152       }
 153       return false;
 154    }
 155
 156    bool RenameDatabase(const String name, const String rename)
 157    {
 158       if(name && rename && path && FileExists(path))
 159       {
 160          String path;
 161          path = MakeDatabasePath(name);
 162          if(FileExists(path))
 163          {
 164             bool renamed;
 165             String repath;
 166             repath = MakeDatabasePath(rename);
 167             renamed = RenameFile(path, repath);
 168             delete path;
 169             delete repath;
 170             return renamed;
 171          }
 172          delete path;
 173       }
 174       return false;
 175    }
 176
 177    bool DeleteDatabase(const String name)
 178    {
 179       if(path && FileExists(path))
 180       {
 181          bool deleted;
 182          String path = MakeDatabasePath(name);
 183          deleted = DeleteFile(path);  // delete file seems to return true even if the file does not exist
 184          databasesCount--;
 185          delete path;
 186          return deleted;
 187       }
 188       return false;
 189    }
 190
 191    String MakeDatabasePath(const String name)
 192    {
 193       if(name)
 194       {
 195          char build[MAX_LOCATION];
 196          strcpy(build, path ? path : "");
 197          PathCat(build, name);
 198          ChangeExtension(build, "sqlite", build);
 199          return CopyString(build);
 200       }
 201       return null;
 202    }
 203
 204    Database OpenDatabase(const String name, CreateOptions createOptions, DataSource ds)
 205    {
 206       Database result = null;
 207       if(name && name[0])
 208       {
 209          String path = MakeDatabasePath(name);
 210          sqlite3 * db;
 211
 212          // sqlite3_open(path, &db);
 213          // sqlite3_open_v2(path, &db, SQLITE_OPEN_READONLY /*SQLITE_OPEN_READWRITE*/ /*SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE*/, null );
 214
 215          if(sqlite3_open_v2(path, &db, (createOptions == readOnly) ? SQLITE_OPEN_READONLY :
 216             (SQLITE_OPEN_READWRITE | ((createOptions == create) ? SQLITE_OPEN_CREATE : 0)), null))
 217          {
 218             // fprintf(stderr, "%s\n", s); // interesting
 219             printf("Can't open database (%s): %s\n", path, sqlite3_errmsg(db));
 220             sqlite3_close(db);
 221          }
 222          else
 223          {
 224             char command[1024];
 225             sprintf(command, "CREATE TABLE eda_table_fields(Table_Name TEXT, Name TEXT, Type TEXT, Length INT);");
 226             sqlite3_exec(db, command, null, null, null);
 227
 228             result = SQLiteDatabase { db = db };
 229          }
 230          delete path;
 231       }
 232       return result;
 233    }
 234 }
 235
 236 class SQLiteDatabase : Database
 237 {
 238    sqlite3 * db;
 239    AVLTree<String> collations { };
 240
 241    ~SQLiteDatabase()
 242    {
 243       sqlite3_close(db);
 244    }
 245
 246    uint ObjectsCount(ObjectType type)
 247    {
 248       // TODO
 249       return 0;
 250    }
 251
 252    bool RenameObject(ObjectType type, const String name, const String rename)
 253    {
 254       // TODO
 255       return false;
 256    }
 257
 258    bool DeleteObject(ObjectType type, const String name)
 259    {
 260       // TODO
 261       return false;
 262    }
 263
 264    Table OpenTable(const String name, OpenOptions options)
 265    {
 266       char command[1024];
 267       int result;
 268       int nRows = 0, nCols = 0;
 269       char ** t;
 270       SQLiteTable table = null;
 271       if(options.type == tablesList)
 272       {
 273          SQLiteField field { name = CopyString("Name"), type = class(String), num = -1, sqliteType = SQLITE_TEXT };
 274          strcpy(command, "SELECT name FROM sqlite_master WHERE type='table' AND name!='eda_table_fields';");
 275          table = SQLiteTable { db = this, specialStatement = CopyString(command) };
 276          LinkTable(table);
 277          incref field;
 278          table.fields.Add(field);
 279       }
 280       else if(options.type == fieldsList)
 281       {
 282          SQLiteField field;
 283
 284          sprintf(command, "SELECT Name, Type, Length FROM eda_table_fields WHERE Table_Name='%s';", name);
 285          table = SQLiteTable { db = this, specialStatement = CopyString(command) };
 286          LinkTable(table);
 287          field = { name = CopyString("Name"), type = class(String), num = -1, sqliteType = SQLITE_TEXT };
 288          incref field;
 289          table.fields.Add(field);
 290          field = { name = CopyString("Type"), type = class(Class), num = 0, sqliteType = SQLITE_TEXT };
 291          incref field;
 292          table.fields.Add(field);
 293          field = { name = CopyString("Length"), type = class(int), num = 1, sqliteType = SQLITE_INTEGER };
 294          incref field;
 295          table.fields.Add(field);
 296       }
 297       else if(options.type == tableRows)
 298       {
 299          bool addFields = false;
 300
 301          sprintf(command, "SELECT Name FROM eda_table_fields WHERE Table_Name='%s';", name);
 302          result = sqlite3_get_table(db, command, &t, &nRows, &nCols, null);
 303          if(!nRows && !nCols)
 304             addFields = true;
 305
 306          sqlite3_free_table(t);
 307
 308          sprintf(command, "SELECT sql FROM sqlite_master WHERE type='table' AND name='%s';", name);
 309          nCols = 0, nRows = 0;
 310          result = sqlite3_get_table(db, command, &t, &nRows, &nCols, null);
 311
 312          if((nCols || nRows) || options.create)
 313          {
 314             table = SQLiteTable { db = this, name = CopyString(name) };
 315             LinkTable(table);
 316             if(!nCols && !nRows)
 317                table.mustCreate = true;
 318             else
 319             {
 320                if(addFields)
 321                {
 322                   int r;
 323                   for(r = 1; r <= nRows; r++)      // There should be only 1 row here
 324                   {
 325                      char * sql = t[nCols * r];
 326                      char * bracket = strchr(sql, '(');
 327                      if(bracket)
 328                      {
 329                         int c = 0;
 330                         bracket++;
 331                         while(true)
 332                         {
 333                            char ch;
 334                            char fieldName[256];
 335                            char dataType[256];
 336                            int d;
 337                            int start = c;
 338                            int sqliteType;
 339                            Class type = class(int);
 340                            fieldName[0] = 0;
 341                            dataType[0] = 0;
 342
 343                            while((ch = bracket[c++]))
 344                            {
 345                               if(ch == ',' || ch == ')')
 346                                  break;
 347                            }
 348                            for(d = c-1; d >= 0 && bracket[d] != ' '; d--);
 349
 350                            memcpy(fieldName, bracket + start, d - start);
 351                            fieldName[d - start] = 0;
 352
 353                            memcpy(dataType, bracket + d + 1, c - d - 2);
 354                            dataType[c - d - 2] = 0;
 355
 356                            while(ch && bracket[c] == ' ') c++;
 357
 358                            if(!strcmp(dataType, "REAL")) { sqliteType = SQLITE_FLOAT; type = class(double); }
 359                            else if(!strcmp(dataType, "TEXT")) { sqliteType = SQLITE_TEXT; type = class(String); }
 360                            else if(!strcmp(dataType, "INTEGER")) { sqliteType = SQLITE_INTEGER; type = class(int); }
 361                            else if(!strcmp(dataType, "BLOB")) { sqliteType = SQLITE_BLOB; type = class(char *); } //class(byte *);
 362
 363                            sprintf(command, "INSERT INTO eda_table_fields (Table_Name, Name, Type, Length) VALUES ('%s', '%s', '%s', %d);", name,
 364                               fieldName, type.name, 0);
 365                            result = sqlite3_exec(db, command, null, null, null);
 366
 367                            {
 368                               SQLiteField field { name = CopyString(fieldName), type = type, num = table.fields.count, sqliteType = sqliteType };
 369                               incref field;
 370                               table.fields.Add(field);
 371                            }
 372
 373                            if(!ch || ch == ')') break;
 374                         }
 375                      }
 376                   }
 377                }
 378                else
 379                {
 380                   sqlite3_stmt * statement;
 381
 382                   sprintf(command, "SELECT Name, Type, Length FROM eda_table_fields WHERE Table_Name='%s';", name);
 383                   result = sqlite3_prepare_v2(db, command, -1, &statement, null);
 384
 385                   while(sqlite3_step(statement) != SQLITE_DONE)
 386                   {
 387                      char * fieldName = sqlite3_column_text(statement, 0);
 388                      char * typeName = sqlite3_column_text(statement, 1);
 389                      int length = sqlite3_column_int(statement, 2);
 390                      Class type = null;
 391                      int sqliteType;
 392
 393                      ((Class)(&type)).OnGetDataFromString(typeName);    // TODO: THIS REQUIRES A FIX SOMEWHERE ELSE
 394
 395                      if(type)
 396                      {
 397                         if(!strcmp(type.dataTypeString, "int") || !strcmp(type.dataTypeString, "unsigned int") ||
 398                            !strcmp(type.dataTypeString, "long") || !strcmp(type.dataTypeString, "long int") ||
 399                            !strcmp(type.dataTypeString, "uint") || !strcmp(type.dataTypeString, "uint32") ||
 400                            !strcmp(type.dataTypeString, "int64") || !strcmp(type.dataTypeString, "unsigned int64") || !strcmp(type.dataTypeString, "uint64") ||
 401                            !strcmp(type.dataTypeString, "short") || !strcmp(type.dataTypeString, "unsigned short") || !strcmp(type.dataTypeString, "uint16") ||
 402                            !strcmp(type.dataTypeString, "char") || !strcmp(type.dataTypeString, "unsigned char") || !strcmp(type.dataTypeString, "byte"))
 403                            sqliteType = SQLITE_INTEGER;
 404                         else if(!strcmp(type.dataTypeString, "double") || !strcmp(type.dataTypeString, "float"))
 405                            sqliteType = SQLITE_FLOAT;
 406                         else if(!strcmp(type.dataTypeString, "String") || !strcmp(type.dataTypeString, "char *"))
 407                            sqliteType = SQLITE_TEXT;
 408                         else
 409                         {
 410                            if(strcmp(type.fullName, "CIString") && !collations.Find(type.fullName))
 411                            {
 412                               collations.Add(type.fullName);
 413                               sqlite3_create_collation_v2(table.db.db, type.fullName, SQLITE_UTF8, type, CollationCompare, null);
 414                            }
 415                            sqliteType = SQLITE_BLOB;
 416                         }
 417                      }
 418
 419                      {
 420                         SQLiteField field { name = CopyString(fieldName), type = type, length = length, num = table.fields.count, sqliteType = sqliteType };
 421                         incref field;
 422                         table.fields.Add(field);
 423                      }
 424                   }
 425                   sqlite3_finalize(statement);
 426                }
 427             }
 428          }
 429          sqlite3_free_table(t);
 430       }
 431       return (Table)table;
 432    }
 433
 434    bool Begin()
 435    {
 436       char command[1024];
 437       int result;
 438       sprintf(command, "BEGIN;");
 439       result = sqlite3_exec(db, command, null, null, null);
 440       if(result)
 441          PrintLn("BEGIN FAILED!");
 442       return result == SQLITE_OK;
 443    }
 444
 445    bool Commit()
 446    {
 447       char command[1024];
 448       int result;
 449       sprintf(command, "COMMIT;");
 450       result = sqlite3_exec(db, command, null, null, null);
 451       if(result)
 452          PrintLn("COMMIT FAILED!");
 453       return result == SQLITE_OK;
 454    }
 455
 456    bool CreateCustomFunction(char * name, SQLCustomFunction customFunction)
 457    {
 458       int result = sqlite3_create_function(db, name, 1, SQLITE_UTF8, customFunction, SQLiteFunctionProcessor, null, null);
 459       return result == SQLITE_OK;
 460    }
 461 }
 462
 463 static void SQLiteFunctionProcessor(sqlite3_context* context, int n, sqlite3_value** value)
 464 {
 465    SQLCustomFunction sqlFunction = sqlite3_user_data(context);
 466    char * text = sqlite3_value_text(*value);
 467    sqlFunction.array.size = 1;
 468    sqlFunction.array[0] = 0;
 469    sqlFunction.Process(text);
 470    sqlite3_result_text(context, sqlFunction.array.array, sqlFunction.array.count ? sqlFunction.array.count - 1 : 0, SQLITE_TRANSIENT);
 471 }
 472
 473 class SQLiteTable : Table
 474 {
 475    char * name;
 476    bool mustCreate;
 477    SQLiteDatabase db;
 478    LinkList<SQLiteField> fields { };
 479    char * specialStatement;
 480    SQLiteField primaryKey;
 481    FieldIndex * indexFields;
 482    int indexFieldsCount;
 483    int64 lastID;
 484
 485    Field AddField(const String fieldName, Class type, int length)
 486    {
 487       SQLiteField field;
 488       char command[1024];
 489       char dataType[256];
 490       int sqliteType;
 491       int result;
 492       Table refTable = null;
 493       Field idField = null;
 494       command[0] = 0;
 495
 496       if(FindField(fieldName)) return null;
 497
 498       if(!strcmp(type.dataTypeString, "int") || !strcmp(type.dataTypeString, "unsigned int") ||
 499          !strcmp(type.dataTypeString, "long") || !strcmp(type.dataTypeString, "long int") ||
 500          !strcmp(type.dataTypeString, "uint") || !strcmp(type.dataTypeString, "uint32") ||
 501          !strcmp(type.dataTypeString, "int64") || !strcmp(type.dataTypeString, "unsigned int64") || !strcmp(type.dataTypeString, "uint64") ||
 502          !strcmp(type.dataTypeString, "short") || !strcmp(type.dataTypeString, "unsigned short") || !strcmp(type.dataTypeString, "uint16") ||
 503          !strcmp(type.dataTypeString, "char") || !strcmp(type.dataTypeString, "unsigned char") || !strcmp(type.dataTypeString, "byte"))
 504       {
 505          strcpy(dataType, "INTEGER");
 506          sqliteType = SQLITE_INTEGER;
 507       }
 508       else if(!strcmp(type.dataTypeString, "double") || !strcmp(type.dataTypeString, "float"))
 509       {
 510          strcpy(dataType, "REAL");
 511          sqliteType = SQLITE_FLOAT;
 512       }
 513       else if(!strcmp(type.name, "CIString"))
 514       {
 515          strcpy(dataType, "TEXT");
 516          sqliteType = SQLITE_BLOB;
 517       }
 518       else if(!strcmp(type.dataTypeString, "String") || !strcmp(type.dataTypeString, "char *"))
 519       {
 520          strcpy(dataType, "TEXT");
 521          sqliteType = SQLITE_TEXT;
 522       }
 523       else
 524       {
 525          //strcpy(dataType, "BLOB");
 526          strcpy(dataType, "TEXT");
 527          sqliteType = SQLITE_BLOB;
 528
 529          if(!db.collations.Find(type.fullName))
 530          {
 531             db.collations.Add(type.fullName);
 532             result = sqlite3_create_collation_v2(db.db, type.fullName, SQLITE_UTF8, type, CollationCompare, null);
 533          }
 534       }
 535       if(sqliteType != SQLITE_BLOB && eClass_IsDerived(type, class(eda::Id)))
 536       {
 537          Table * table = (Table *)eClass_GetProperty(type, "table");
 538          if(table) refTable = *table;
 539          if(refTable)
 540          {
 541             if(primaryKey || refTable != this)
 542             {
 543                for(idField = refTable.firstField; idField; idField = idField.next)
 544                   if(eClass_IsDerived(type, idField.type)) break;
 545
 546                if(!idField)
 547                   PrintLn("WARNING: field not yet created for class ", (String)type.name);
 548             }
 549             else
 550                idField = primaryKey;
 551          }
 552          else
 553          {
 554             PrintLn("WARNING: Table not yet created for class ", (String)type.name);
 555          }
 556       }
 557
 558       if(mustCreate)
 559       {
 560          if(sqliteType == SQLITE_BLOB)
 561          {
 562             if(!strcmp(type.name, "CIString"))
 563                sprintf(command, "CREATE TABLE `%s`(%s %s COLLATE NOCASE);", name, fieldName, dataType);
 564             else
 565                sprintf(command, "CREATE TABLE `%s`(%s %s COLLATE '%s');", name, fieldName, dataType, type.fullName);
 566          }
 567          else if(refTable)
 568          {
 569             if(!idField && refTable == this)
 570                sprintf(command, "CREATE TABLE `%s`(`%s` %s PRIMARY KEY);", name, fieldName, dataType);
 571             else if(idField)
 572                sprintf(command, "CREATE TABLE `%s`(`%s` %s REFERENCES `%s`(`%s`));", name, fieldName, dataType, refTable.name, idField.name);
 573          }
 574          else
 575             sprintf(command, "CREATE TABLE `%s`(`%s` %s);", name, fieldName, dataType);
 576          result = sqlite3_exec(db.db, command, null, null, null);
 577          if(result) return null;
 578          mustCreate = false;
 579       }
 580       else
 581       {
 582          if(sqliteType == SQLITE_BLOB)
 583          {
 584             if(!strcmp(type.name, "CIString"))
 585                sprintf(command, "ALTER TABLE `%s` ADD `%s` %s COLLATE NOCASE;", name, fieldName, dataType);
 586             else
 587                sprintf(command, "ALTER TABLE `%s` ADD `%s` %s COLLATE `%s`;", name, fieldName, dataType, type.fullName);
 588          }
 589          else if(refTable)
 590          {
 591             if(!idField && refTable == this)
 592             {
 593                PrintLn("WARNING: ALTER TABLE DOESN'T WORK WITH PRIMARY KEY FOR ", (String)name);
 594                sprintf(command, "ALTER TABLE `%s` ADD `%s` %s PRIMARY KEY;", name, fieldName, dataType);
 595             }
 596             else if(idField)
 597                sprintf(command, "ALTER TABLE `%s` ADD `%s` %s REFERENCES `%s`(`%s`);", name, fieldName, dataType, refTable.name, idField.name);
 598          }
 599          else
 600             sprintf(command, "ALTER TABLE `%s` ADD `%s` %s;", name, fieldName, dataType);
 601          result = sqlite3_exec(db.db, command, null, null, null);
 602          if(result) return null;
 603       }
 604
 605       sprintf(command, "INSERT INTO eda_table_fields (Table_Name, Name, Type, Length) VALUES ('%s', '%s', '%s', %d);", name,
 606          fieldName, type.name, length);
 607       result = sqlite3_exec(db.db, command, null, null, null);
 608
 609       field = { name = CopyString(fieldName), type = type, num = fields.count, sqliteType = sqliteType };
 610       incref field;
 611       fields.Add(field);
 612       if(!primaryKey && refTable == this)
 613          primaryKey = field;
 614       return (Field)field;
 615    }
 616
 617    Field FindField(const String name)
 618    {
 619       for(f : fields; !strcmp(f.name, name))
 620       {
 621          if(!primaryKey)
 622          {
 623             if(f.sqliteType != SQLITE_BLOB && eClass_IsDerived(f.type, class(eda::Id)))
 624             {
 625
 626                Table * tablePtr = (Table *)eClass_GetProperty(f.type, "table");
 627                if(tablePtr && *tablePtr == this)
 628                   primaryKey = f;
 629             }
 630          }
 631          return (Field)f;
 632       }
 633       return null;
 634    }
 635
 636    bool GenerateIndex(int count, FieldIndex * fieldIndexes, bool init)
 637    {
 638       char command[1024];
 639       int c;
 640       int result;
 641       char indexName[4096];
 642
 643       delete indexFields;
 644       indexFieldsCount = count;
 645       indexFields = new FieldIndex[count];
 646       memcpy(indexFields, fieldIndexes, count * sizeof(FieldIndex));
 647
 648       // TODO: USE CODED INDEX NAME INSTEAD?
 649       strcpy(indexName, "index_");
 650       strcat(indexName, name);
 651       strcat(indexName, "_");
 652       for(c = 0; c<count; c++)
 653       {
 654          if(fieldIndexes[c].field)
 655          {
 656             if(count == 1 && fieldIndexes[c].field == primaryKey)
 657                return true;
 658             strcat(indexName, fieldIndexes[c].field.name);
 659             if(fieldIndexes[c].memberField)
 660             {
 661                strcat(indexName, ".");
 662                strcat(indexName, fieldIndexes[c].memberField.name);
 663             }
 664             strcat(indexName, (fieldIndexes[c].order == ascending) ? "+" : "-");
 665          }
 666          else
 667             return false;
 668       }
 669
 670       sprintf(command, "CREATE INDEX IF NOT EXISTS `%s` ON `%s` (", indexName, name);
 671       for(c = 0; c<count; c++)
 672       {
 673          char columnName[1024];
 674          sprintf(columnName, "`%s` %s", fieldIndexes[c].field.name, (fieldIndexes[c].order == ascending) ? "ASC" : "DESC");
 675          if(c > 0) strcat(command, ", ");
 676          strcat(command, columnName);
 677       }
 678       strcat(command, ");");
 679       result = sqlite3_exec(db.db, command, null, null, null);
 680
 681       return result == SQLITE_OK;
 682    }
 683
 684    String GetName()
 685    {
 686       return name;
 687    }
 688
 689    Field GetFirstField()
 690    {
 691       return fields.first;
 692    }
 693
 694    uint GetFieldsCount()
 695    {
 696       return fields.count;
 697    }
 698
 699    uint GetRowsCount()
 700    {
 701       char command[1024];
 702       char **t;
 703       int nCols, nRows;
 704       int result;
 705       uint rowCount = 0;
 706       sprintf(command, "SELECT COUNT(*) FROM `%s`;", name);
 707       result = sqlite3_get_table(db.db, command, &t, &nRows, &nCols, null);
 708       if(result == SQLITE_OK)
 709       {
 710          rowCount = atoi(t[1]);
 711          sqlite3_free_table(t);
 712       }
 713       return rowCount;
 714    }
 715
 716    DriverRow CreateRow()
 717    {
 718       char command[1024];
 719       sqlite3_stmt * statement;
 720       sqlite3_stmt * sysIDStmt = null, * insertStmt = null, * deleteStmt = null, * selectRowIDsStmt = null, * setRowIDStmt = null;
 721
 722       if(specialStatement)
 723          strcpy(command, specialStatement);
 724       else
 725       {
 726          /*sprintf(command, "SELECT ROWID, * FROM `%s` WHERE ? = ?;", name);
 727          sqlite3_prepare_v2(db.db, command, -1, &findStmt, null);*/
 728          sprintf(command, "SELECT ROWID, * FROM `%s` WHERE ROWID = ?;", name);
 729          sqlite3_prepare_v2(db.db, command, -1, &sysIDStmt, null);
 730
 731          sprintf(command, "INSERT INTO `%s` DEFAULT VALUES;", name);
 732          sqlite3_prepare_v2(db.db, command, -1, &insertStmt, null);
 733          sprintf(command, "DELETE FROM `%s` WHERE ROWID = ?;", name);
 734          sqlite3_prepare_v2(db.db, command, -1, &deleteStmt, null);
 735          /*sprintf(command, "UPDATE `%s` SET ? = ? WHERE ROWID = ?;", name);
 736          sqlite3_prepare_v2(db.db, command, -1, &updateStmt, null);*/
 737
 738          if(!indexFields || (indexFieldsCount == 1 && indexFields[0].field == primaryKey && indexFields[0].order == ascending))
 739             sprintf(command, "SELECT ROWID, * FROM `%s`;", name);
 740          else
 741          {
 742             int c;
 743             sprintf(command, "SELECT ROWID, * FROM `%s` ORDER BY ", name);
 744             for(c = 0; c < indexFieldsCount; c++)
 745             {
 746                char order[1024];
 747                FieldIndex * fIndex = &indexFields[c];
 748                order[0] = 0;
 749                if(c) strcat(order, ", ");
 750                strcat(order, "`");
 751                strcat(order, fIndex->field.name);
 752                strcat(order, "`");
 753                if(fIndex->order == descending) strcat(command, " DESC");
 754                strcat(command, order);
 755             }
 756             strcat(command, ";");
 757          }
 758       }
 759       sqlite3_prepare_v2(db.db, command, -1, &statement, null);
 760
 761       sprintf(command, "SELECT ROWID FROM `%s` WHERE ROWID > ?", name);
 762       sqlite3_prepare_v2(db.db, command, -1, &selectRowIDsStmt, null);
 763
 764       sprintf(command, "UPDATE `%s` SET ROWID = ? WHERE ROWID = ?", name);
 765       sqlite3_prepare_v2(db.db, command, -1, &setRowIDStmt, null);
 766
 767       return SQLiteRow
 768          { tbl = this, defaultStatement = statement, curStatement = statement, sysIDStatement = sysIDStmt,
 769            insertStatement = insertStmt, deleteStatement = deleteStmt, selectRowIDsStmt = selectRowIDsStmt, setRowIDStmt = setRowIDStmt };
 770    }
 771
 772    ~SQLiteTable()
 773    {
 774       delete name;
 775       delete specialStatement;
 776       delete indexFields;
 777       fields.Free();
 778    }
 779 }
 780
 781 class SQLiteRow : DriverRow
 782 {
 783    SQLiteTable tbl;
 784    sqlite3_stmt * curStatement;
 785
 786    sqlite3_stmt * defaultStatement;
 787    sqlite3_stmt * findStatement;
 788    sqlite3_stmt * sysIDStatement;
 789    sqlite3_stmt * queryStatement;
 790    sqlite3_stmt * findMultipleStatement;
 791    sqlite3_stmt * selectRowIDsStmt;
 792    sqlite3_stmt * setRowIDStmt;
 793
 794    sqlite3_stmt * insertStatement;
 795    sqlite3_stmt * deleteStatement;
 796    sqlite3_stmt * updateStatement;
 797    bool done;
 798    done = true;
 799    int64 rowID;
 800
 801    bool Nil()
 802    {
 803       return done;
 804    }
 805
 806    ~SQLiteRow()
 807    {
 808       if(defaultStatement) sqlite3_finalize(defaultStatement);
 809       if(findStatement)    sqlite3_finalize(findStatement);
 810       if(findMultipleStatement)    sqlite3_finalize(findMultipleStatement);
 811       if(sysIDStatement)   sqlite3_finalize(sysIDStatement);
 812       if(insertStatement)  sqlite3_finalize(insertStatement);
 813       if(deleteStatement)  sqlite3_finalize(deleteStatement);
 814       if(updateStatement)  sqlite3_finalize(updateStatement);
 815       if(queryStatement)   sqlite3_finalize(queryStatement);
 816       if(selectRowIDsStmt) sqlite3_finalize(selectRowIDsStmt);
 817       if(setRowIDStmt)     sqlite3_finalize(setRowIDStmt);
 818    }
 819
 820    bool Select(MoveOptions move)
 821    {
 822       int result;
 823       if(!curStatement)
 824          curStatement = defaultStatement;
 825       switch(move)
 826       {
 827          case first:
 828          {
 829             sqlite3_reset(curStatement);
 830             result = sqlite3_step(curStatement);
 831             done = result == SQLITE_DONE || (result && result != SQLITE_ROW);
 832             if(done) { rowID = 0; sqlite3_reset(curStatement); return false; }
 833             rowID = sqlite3_column_int64(curStatement, 0);
 834             break;
 835          }
 836          case last:
 837          {
 838             sqlite3_stmt * statement;
 839             char command[1024];
 840             sprintf(command, "SELECT MAX(ROWID) FROM `%s`", tbl.name);
 841             result = sqlite3_prepare_v2(tbl.db.db, command, -1, &statement, null);
 842             result = sqlite3_step(statement);
 843             rowID = sqlite3_column_int64(statement, 0);
 844             sqlite3_finalize(statement);
 845             break;
 846          }
 847          case middle:
 848             break;
 849          case next:
 850          {
 851             result = sqlite3_step(curStatement);
 852             done = result == SQLITE_DONE || (result && result != SQLITE_ROW);
 853             if(done) { rowID = 0; sqlite3_reset(curStatement); return false; }
 854             rowID = sqlite3_column_int64(curStatement, 0);
 855             break;
 856          }
 857          case previous:
 858             break;
 859          case nil:
 860             sqlite3_reset(curStatement);
 861             rowID = 0;
 862             done = true;
 863             break;
 864          case here:
 865             break;
 866       }
 867       return true;
 868    }
 869
 870    bool Query(char * queryString)
 871    {
 872       bool status = true;
 873       int result;
 874
 875       if(curStatement)
 876          sqlite3_reset(curStatement);
 877       if(queryStatement)
 878       {
 879          sqlite3_finalize(queryStatement);
 880          queryStatement = null;
 881       }
 882
 883       if(queryString)
 884       {
 885          result = sqlite3_prepare_v2(tbl.db.db, queryString, -1, &queryStatement, null);
 886          curStatement = queryStatement;
 887          if(!strchr(queryString, '?'))
 888          {
 889             result = sqlite3_step(queryStatement);
 890
 891             done = result == SQLITE_DONE || (result && result != SQLITE_ROW);
 892             if(done) { rowID = 0; sqlite3_reset(queryStatement); return false; }
 893
 894             rowID = sqlite3_column_int64(queryStatement, 0);
 895          }
 896       }
 897       else
 898          curStatement = null;
 899       return status;
 900    }
 901
 902    bool Find(Field fld, MoveOptions move, MatchOptions match, typed_object data)
 903    {
 904       char command[1024];
 905       int result;
 906       SQLiteField sqlFld = (SQLiteField)fld;
 907       Class dataType = sqlFld.type;
 908
 909       if(fld == tbl.primaryKey)
 910       {
 911          return GoToSysID(*(int *)data);
 912       }
 913
 914       if(curStatement)
 915          sqlite3_reset(curStatement);
 916       if(findStatement)
 917          sqlite3_finalize(findStatement);
 918
 919       sprintf(command, "SELECT ROWID, * FROM `%s` WHERE `%s` = ?;", tbl.name, fld.name);
 920       result = sqlite3_prepare_v2(tbl.db.db, command, -1, &findStatement, null);
 921
 922       // result = sqlite3_bind_text(findStatement, 1, fld.name, strlen(fld.name), SQLITE_STATIC);
 923
 924       curStatement = findStatement;
 925       switch(sqlFld.sqliteType)
 926       {
 927          case SQLITE_INTEGER:
 928          {
 929             switch(dataType.typeSize)
 930             {
 931                case 8:
 932                   sqlite3_bind_int64(findStatement, 1, (sqlite3_int64)*(int64 *)data);
 933                   break;
 934                case 4:
 935                   sqlite3_bind_int(findStatement, 1, *(int *)data);
 936                   break;
 937                case 2:
 938                {
 939                   int value;
 940                   if(value < 0)
 941                      value = (int)*(short *)data;
 942                   else
 943                      value = (int)*(uint16 *)data;
 944                   sqlite3_bind_int(findStatement, 1, value);
 945                   break;
 946                }
 947                case 1:
 948                {
 949                   int value;
 950                   if(value < 0)
 951                      value = (int)*(char *)data;
 952                   else
 953                      value = (int)*(byte *)data;
 954                   sqlite3_bind_int(findStatement, 1, value);
 955                   break;
 956                }
 957             }
 958             break;
 959          }
 960          case SQLITE_FLOAT:
 961          {
 962             if(dataType.typeSize == 8)
 963                sqlite3_bind_double(findStatement, 1, *(double *)data);
 964             else
 965                sqlite3_bind_double(findStatement, 1, (double)*(float *)data);
 966             break;
 967          }
 968          case SQLITE_TEXT:
 969          {
 970             if(data)
 971                sqlite3_bind_text(findStatement, 1, (char *)data, strlen((char *)data), SQLITE_STATIC);
 972             else
 973                sqlite3_bind_text(findStatement, 1, null, 0, SQLITE_STATIC);
 974             break;
 975          }
 976          case SQLITE_BLOB:
 977          case SQLITE_NULL:
 978          {
 979             SerialBuffer buffer { };
 980
 981             dataType._vTbl[__ecereVMethodID_class_OnSerialize](dataType, data, buffer);
 982             //sqlite3_bind_blob(findStatement, 1, buffer._buffer, buffer.count, SQLITE_STATIC);
 983             sqlite3_bind_text(findStatement, 1, buffer._buffer, buffer.count, SQLITE_STATIC);
 984             result = sqlite3_step(findStatement);
 985
 986             done = result == SQLITE_DONE || (result && result != SQLITE_ROW);
 987             if(done) { rowID = 0; sqlite3_reset(findStatement); delete buffer; return false; }
 988
 989             rowID = sqlite3_column_int64(findStatement, 0);
 990
 991             delete buffer;
 992             return true;
 993             break;
 994          }
 995       }
 996       result = sqlite3_step(findStatement);
 997
 998       done = result == SQLITE_DONE || (result && result != SQLITE_ROW);
 999       if(done) { rowID = 0; sqlite3_reset(findStatement); return false; }
1000
1001       rowID = sqlite3_column_int64(findStatement, 0);
1002       return true;
1003    }
1004
1005    bool FindMultiple(FieldFindData * findData, MoveOptions move, int numFields)
1006    {
1007       if(numFields)
1008       {
1009          char command[4096];
1010          int result;
1011          int c;
1012          Array<SerialBuffer> serialBuffers { };
1013
1014          if(curStatement)
1015             sqlite3_reset(curStatement);
1016          if(findMultipleStatement)
1017             sqlite3_finalize(findMultipleStatement);
1018
1019          sprintf(command, "SELECT ROWID, * FROM `%s` WHERE `", tbl.name);
1020          for(c = 0; c < numFields; c++)
1021          {
1022             FieldFindData * fieldFind = &findData[c];
1023
1024             if(c) strcat(command, " AND `");
1025             strcat(command, fieldFind->field.name);
1026             strcat(command, "` = ?");
1027          }
1028          strcat(command, ";");
1029
1030          result = sqlite3_prepare_v2(tbl.db.db, command, -1, &findMultipleStatement, null);
1031          curStatement = findMultipleStatement;
1032
1033          for(c = 0; c < numFields; c++)
1034          {
1035             FieldFindData * fieldFind = &findData[c];
1036             SQLiteField sqlFld = (SQLiteField)fieldFind->field;
1037             Class dataType = sqlFld.type;
1038
1039             switch(sqlFld.sqliteType)
1040             {
1041                case SQLITE_INTEGER:
1042                {
1043                   switch(dataType.typeSize)
1044                   {
1045                      case 8:
1046                         sqlite3_bind_int64(findMultipleStatement, 1 + c, (sqlite_int64)fieldFind->value.i64);
1047                         break;
1048                      case 4:
1049                         sqlite3_bind_int(findMultipleStatement, 1 + c, fieldFind->value.i);
1050                         break;
1051                      case 2:
1052                      {
1053                         int value;
1054                         if(value < 0)
1055                            value = (int)fieldFind->value.s;
1056                         else
1057                            value = (int)fieldFind->value.us;
1058                         sqlite3_bind_int(findMultipleStatement, 1 + c, value);
1059                         break;
1060                      }
1061                      case 1:
1062                      {
1063                         int value;
1064                         if(value < 0)
1065                            value = (int)fieldFind->value.c;
1066                         else
1067                            value = (int)fieldFind->value.uc;
1068                         sqlite3_bind_int(findMultipleStatement, 1 + c, value);
1069                         break;
1070                      }
1071                   }
1072                   break;
1073                }
1074                case SQLITE_FLOAT:
1075                {
1076                   if(dataType.typeSize == 8)
1077                      sqlite3_bind_double(findMultipleStatement, 1 + c, fieldFind->value.d);
1078                   else
1079                      sqlite3_bind_double(findMultipleStatement, 1 + c, fieldFind->value.f);
1080                   break;
1081                }
1082                case SQLITE_TEXT:
1083                {
1084                   if(fieldFind->value.p)
1085                      sqlite3_bind_text(findMultipleStatement, 1 + c, (char *)fieldFind->value.p, strlen(fieldFind->value.p), SQLITE_STATIC);
1086                   else
1087                      sqlite3_bind_text(findMultipleStatement, 1 + c, null, 0, SQLITE_STATIC);
1088                   break;
1089                }
1090                case SQLITE_BLOB:
1091                case SQLITE_NULL:
1092                {
1093                   SerialBuffer buffer { };
1094
1095                   dataType._vTbl[__ecereVMethodID_class_OnSerialize](dataType, fieldFind->value.p, buffer);
1096                   //sqlite3_bind_blob(findMultipleStatement, 1 + c, buffer._buffer, buffer.count, SQLITE_STATIC);
1097                   sqlite3_bind_text(findMultipleStatement, 1 + c, buffer._buffer, buffer.count, SQLITE_STATIC);
1098
1099                   serialBuffers.Add(buffer);
1100                   break;
1101                }
1102             }
1103          }
1104
1105          result = sqlite3_step(findMultipleStatement);
1106
1107          done = result == SQLITE_DONE || (result && result != SQLITE_ROW);
1108          if(done)
1109          {
1110             rowID = 0;
1111             sqlite3_reset(findMultipleStatement);
1112
1113             serialBuffers.Free();
1114             delete serialBuffers;
1115             return false;
1116          }
1117          else
1118          {
1119             rowID = sqlite3_column_int64(findMultipleStatement, 0);
1120
1121             serialBuffers.Free();
1122             delete serialBuffers;
1123             return true;
1124          }
1125       }
1126       return false;
1127    }
1128
1129    bool Synch(DriverRow to)
1130    {
1131       return true;
1132    }
1133
1134    bool Add()
1135    {
1136       int result;
1137       //char command[1024];
1138       //sprintf(command, "INSERT INTO `%s` DEFAULT VALUES;", tbl.name);
1139       //result = sqlite3_exec(tbl.db.db, command, null, null, null);
1140       result = sqlite3_step(insertStatement);
1141       if(result == SQLITE_DONE)     // if(result == SQLITE_OK)
1142       {
1143          rowID = sqlite3_last_insert_rowid(tbl.db.db);
1144          if(rowID > MAXDWORD)
1145          {
1146             int64 lastID = tbl.lastID;
1147
1148             sqlite3_bind_int64(selectRowIDsStmt, 1, (sqlite3_int64)lastID);
1149             while(true)
1150             {
1151                int64 id;
1152                result = sqlite3_step(selectRowIDsStmt);
1153                if(result == SQLITE_DONE || result != SQLITE_ROW) break;
1154                id = sqlite3_column_int64(selectRowIDsStmt, 0);
1155                if(id - lastID > 1) break;
1156                lastID = id;
1157             }
1158             sqlite3_reset(selectRowIDsStmt);
1159
1160             sqlite3_bind_int64(setRowIDStmt, 2, (sqlite3_int64)rowID);
1161             rowID = lastID + 1;
1162             tbl.lastID = rowID;
1163             sqlite3_bind_int64(setRowIDStmt, 1, (sqlite3_int64)rowID);
1164             result = sqlite3_step(setRowIDStmt);
1165             sqlite3_reset(setRowIDStmt);
1166          }
1167          sqlite3_reset(insertStatement);
1168          curStatement = sysIDStatement;
1169          sqlite3_reset(curStatement);
1170          return true;
1171       }
1172       sqlite3_reset(insertStatement);
1173       return false;
1174    }
1175
1176    bool Delete()
1177    {
1178       int result;
1179       //char command[1024];
1180       //sprintf(command, "DELETE FROM `%s` WHERE ROWID = %d;", tbl.name, rowID);
1181       //result = sqlite3_exec(tbl.db.db, command, null, null, null);
1182       sqlite3_bind_int64(deleteStatement, 1, (sqlite3_int64)rowID);
1183       result = sqlite3_step(deleteStatement);
1184       sqlite3_reset(deleteStatement);
1185       rowID = 0;
1186       return result == SQLITE_OK || result == SQLITE_DONE;
1187    }
1188
1189    bool GetData(Field fld, typed_object &data)
1190    {
1191       SQLiteField sqlFld = (SQLiteField)fld;
1192       int num = sqlFld.num + 1;
1193       Class dataType = sqlFld.type;
1194       switch(sqlFld.sqliteType)
1195       {
1196          case SQLITE_INTEGER:
1197          {
1198             switch(dataType.typeSize)
1199             {
1200                case 8:
1201                   if(fld == tbl.primaryKey)
1202                      *(int64 *)data = rowID;
1203                   else
1204                      *(int64 *)data = sqlite3_column_int64(curStatement, num);
1205                   break;
1206                case 4:
1207                   if(fld == tbl.primaryKey)
1208                      *(int *)data = (int)(uint)rowID;
1209                   else
1210                      *(int *)data = sqlite3_column_int(curStatement, num);
1211                   break;
1212                case 2:
1213                {
1214                   int value;
1215                   if(fld == tbl.primaryKey)
1216                      value = (int)(uint)rowID;
1217                   else
1218                      value = sqlite3_column_int(curStatement, num);
1219                   if(value < 0)
1220                      *(short *)data = (short)value;
1221                   else
1222                      *(uint16 *)data = (uint16)value;
1223                   break;
1224                }
1225                case 1:
1226                {
1227                   int value;
1228                   if(fld == tbl.primaryKey)
1229                      value = (int)(uint)rowID;
1230                   else
1231                      value = sqlite3_column_int(curStatement, num);
1232                   if(value < 0)
1233                      *(char *)data = (char)value;
1234                   else
1235                      *(byte *)data = (byte)value;
1236                   break;
1237                }
1238             }
1239             break;
1240          }
1241          case SQLITE_FLOAT:
1242          {
1243             double d = sqlite3_column_double(curStatement, num);
1244             if(dataType.typeSize == 8)
1245                *(double *)data = d;
1246             else
1247                *(float *)data = (float)d;
1248             break;
1249          }
1250          case SQLITE_TEXT:
1251          {
1252             int numBytes = sqlite3_column_bytes(curStatement, num);
1253             char * text = sqlite3_column_text(curStatement, num);
1254             *(char **)data = text ? new byte[numBytes+1] : null;
1255             if(text)
1256                memcpy(*(char **)data, text, numBytes+1);
1257             break;
1258          }
1259          case SQLITE_BLOB:
1260          {
1261             SerialBuffer buffer { };
1262             //buffer._buffer = sqlite3_column_blob(curStatement, num);
1263             buffer._size = sqlite3_column_bytes(curStatement, num);
1264             buffer._buffer = sqlite3_column_text(curStatement, num);
1265             buffer.count = buffer._size;
1266
1267             dataType._vTbl[__ecereVMethodID_class_OnUnserialize](dataType, data, buffer);
1268
1269             buffer._buffer = null;
1270             delete buffer;
1271             break;
1272          }
1273       }
1274       return true;
1275    }
1276
1277    bool SetData(Field fld, typed_object data)
1278    {
1279       SQLiteField sqlFld = (SQLiteField)fld;
1280       int result;
1281
1282       int num = sqlFld.num + 1;
1283       Class dataType = sqlFld.type;
1284       char command[1024];
1285       //sqlite3_stmt * setStatement;
1286
1287       if(updateStatement)
1288          sqlite3_finalize(updateStatement);
1289
1290       // sprintf(command, "UPDATE `%s` SET `%s` = ? WHERE ROWID = %d;", tbl.name, sqlFld.name, rowID);
1291       sprintf(command, "UPDATE `%s` SET `%s` = ? WHERE ROWID = ?;", tbl.name, sqlFld.name);
1292
1293       result = sqlite3_prepare_v2(tbl.db.db, command, -1, &updateStatement, null);
1294
1295       //sqlite3_bind_text(updateStatement, 1, sqlFld.name, strlen(sqlFld.name), SQLITE_STATIC);
1296       //sqlite3_bind_int64(updateStatement, 3, (sqlite3_int64)rowID);
1297
1298       sqlite3_bind_int64(updateStatement, 2, (sqlite3_int64)rowID);
1299       switch(sqlFld.sqliteType)
1300       {
1301          case SQLITE_INTEGER:
1302          {
1303             switch(dataType.typeSize)
1304             {
1305                case 8:
1306                   sqlite3_bind_int64(updateStatement, 1, (sqlite3_int64)*(int64 *)data);
1307                   break;
1308                case 4:
1309                   sqlite3_bind_int(updateStatement, 1, *(int *)data);
1310                   break;
1311                case 2:
1312                {
1313                   int value;
1314                   if(value < 0)
1315                      value = (int)*(short *)data;
1316                   else
1317                      value = (int)*(uint16 *)data;
1318                   sqlite3_bind_int(updateStatement, 1, value);
1319                   break;
1320                }
1321                case 1:
1322                {
1323                   int value;
1324                   if(value < 0)
1325                      value = (int)*(char *)data;
1326                   else
1327                      value = (int)*(byte *)data;
1328                   sqlite3_bind_int(updateStatement, 1, value);
1329                   break;
1330                }
1331             }
1332             break;
1333          }
1334          case SQLITE_FLOAT:
1335          {
1336             if(dataType.typeSize == 8)
1337                sqlite3_bind_double(updateStatement, 1, *(double *)data);
1338             else
1339                sqlite3_bind_double(updateStatement, 1, (double)*(float *)data);
1340             break;
1341          }
1342          case SQLITE_TEXT:
1343          {
1344             if(data)
1345                sqlite3_bind_text(updateStatement, 1, (char *)data, strlen((char *)data), SQLITE_STATIC);
1346             else
1347                sqlite3_bind_text(updateStatement, 1, null, 0, SQLITE_STATIC);
1348             break;
1349          }
1350          case SQLITE_BLOB:
1351          case SQLITE_NULL:
1352          {
1353             SerialBuffer buffer { };
1354
1355             dataType._vTbl[__ecereVMethodID_class_OnSerialize](dataType, data, buffer);
1356             //sqlite3_bind_blob(updateStatement, 1, buffer._buffer, buffer.count, SQLITE_STATIC);
1357             sqlite3_bind_text(updateStatement, 1, buffer._buffer, buffer.count, SQLITE_STATIC);
1358             sqlite3_step(updateStatement);
1359             sqlite3_reset(updateStatement);
1360             delete buffer;
1361             return true;
1362             break;
1363          }
1364       }
1365       result = sqlite3_step(updateStatement);
1366       sqlite3_reset(updateStatement);
1367       if(fld == tbl.primaryKey)
1368       {
1369          rowID = *(uint *)data;
1370       }
1371       return result == SQLITE_DONE;
1372    }
1373
1374    int GetSysID()
1375    {
1376       return (int)(uint)rowID;
1377    }
1378
1379    bool GoToSysID(int id)
1380    {
1381       //char command[1024];
1382       int result;
1383       rowID = (uint)id;
1384       //if(statement)
1385          //sqlite3_finalize(statement);
1386       //sprintf(command, "SELECT ROWID, * FROM `%s` WHERE ROWID = ?;", tbl.name);
1387       //result = sqlite3_prepare_v2(tbl.db.db, command, -1, &statement, null);
1388
1389       if(curStatement)
1390          sqlite3_reset(curStatement);
1391
1392       curStatement = sysIDStatement;
1393       sqlite3_reset(sysIDStatement);
1394       sqlite3_bind_int64(curStatement, 1, (sqlite_int64)rowID);
1395       result = sqlite3_step(curStatement);
1396       done = result == SQLITE_DONE || (result && result != SQLITE_ROW);
1397       if(done) { rowID = 0; sqlite3_reset(curStatement); return false; }
1398       return !done;
1399    }
1400
1401    bool SetQueryParam(int paramID, int value)
1402    {
1403       int result;
1404       if(curStatement != queryStatement)
1405       {
1406          if(curStatement) sqlite3_reset(curStatement);
1407          curStatement = queryStatement;
1408       }
1409       sqlite3_reset(queryStatement);
1410       result = sqlite3_bind_int(queryStatement, paramID, value);
1411       return !result;
1412    }
1413
1414    bool SetQueryParam64(int paramID, int64 value)
1415    {
1416       int result;
1417       if(curStatement != queryStatement)
1418       {
1419          if(curStatement) sqlite3_reset(curStatement);
1420          curStatement = queryStatement;
1421       }
1422       sqlite3_reset(queryStatement);
1423       result = sqlite3_bind_int64(queryStatement, paramID, (sqlite_int64)value);
1424       return !result;
1425    }
1426
1427    bool SetQueryParamText(int paramID, char * data)
1428    {
1429       int result;
1430       if(curStatement != queryStatement)
1431       {
1432          if(curStatement) sqlite3_reset(curStatement);
1433          curStatement = queryStatement;
1434       }
1435       sqlite3_reset(queryStatement);
1436       if(data)
1437          result = sqlite3_bind_text(queryStatement, paramID, (char *)data, strlen((char *)data), SQLITE_STATIC);
1438       else
1439          result = sqlite3_bind_text(queryStatement, paramID, null, 0, SQLITE_STATIC);
1440       return !result;
1441    }
1442
1443    bool SetQueryParamObject(int paramID, void * data, Class type)
1444    {
1445       int result;
1446       if(curStatement != queryStatement)
1447       {
1448          if(curStatement) sqlite3_reset(curStatement);
1449          curStatement = queryStatement;
1450       }
1451       sqlite3_reset(queryStatement);
1452       {
1453          SerialBuffer buffer { };
1454          type._vTbl[__ecereVMethodID_class_OnSerialize](type, data, buffer);
1455          result = sqlite3_bind_text(queryStatement, paramID, buffer._buffer, buffer.count, SQLITE_TRANSIENT);
1456          delete buffer;
1457       }
1458       return !result;
1459    }
1460
1461    /*char * GetExtraColumn(int paramID)
1462    {
1463       SQLiteField lastFld = tbl.fields.last;
1464       return sqlite3_column_text(curStatement, lastFld.num + 1 + paramID);
1465    }*/
1466    char * GetColumn(int paramID)
1467    {
1468       return sqlite3_column_text(curStatement, paramID);
1469    }
1470 }