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Overview
Comment: | added new schemas IndexColumns, ViewColumns, ForeignKeys |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | sourceforge |
Files: | files | file ages | folders |
SHA1: |
91fab4183e69e00fff797ca4bbe8ffc9 |
User & Date: | rmsimpson 2005-08-23 22:11:56.000 |
Context
2005-08-24
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15:05 | 3.2.4 code merge check-in: a8ce345c58 user: rmsimpson tags: sourceforge | |
2005-08-23
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22:11 | added new schemas IndexColumns, ViewColumns, ForeignKeys check-in: 91fab4183e user: rmsimpson tags: sourceforge | |
2005-08-22
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18:22 | 3.2.3 code merge check-in: 79fe5ae73a user: rmsimpson tags: sourceforge | |
Changes
Changes to System.Data.SQLite/SQLiteConnection.cs.
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587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 | // return Schema_ReservedWords(); case "DATATYPES": return Schema_DataTypes(); case "COLUMNS": return Schema_Columns(parms[0], parms[2], parms[3]); case "INDEXES": return Schema_Indexes(parms[0], parms[2], parms[4]); case "TABLES": return Schema_Tables(parms[0], parms[2], parms[3]); case "VIEWS": return Schema_Views(parms[0], parms[2]); case "CATALOGS": return Schema_Catalogs(parms[0]); } throw new NotSupportedException(); } /// <summary> | > > > > > > | 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 | // return Schema_ReservedWords(); case "DATATYPES": return Schema_DataTypes(); case "COLUMNS": return Schema_Columns(parms[0], parms[2], parms[3]); case "INDEXES": return Schema_Indexes(parms[0], parms[2], parms[4]); case "INDEXCOLUMNS": return Schema_IndexColumns(parms[0], parms[2], parms[3], parms[4]); case "TABLES": return Schema_Tables(parms[0], parms[2], parms[3]); case "VIEWS": return Schema_Views(parms[0], parms[2]); case "VIEWCOLUMNS": return Schema_ViewColumns(parms[0], parms[2], parms[3]); case "FOREIGNKEYS": return Schema_ForeignKeys(parms[0], parms[2], parms[3]); case "CATALOGS": return Schema_Catalogs(parms[0]); } throw new NotSupportedException(); } /// <summary> |
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640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 | row = tbl.NewRow(); row.ItemArray = new object[] { "Columns", 4, 4 }; tbl.Rows.Add(row); row = tbl.NewRow(); row.ItemArray = new object[] { "Indexes", 5, 4 }; tbl.Rows.Add(row); row = tbl.NewRow(); row.ItemArray = new object[] { "Tables", 4, 3 }; tbl.Rows.Add(row); row = tbl.NewRow(); row.ItemArray = new object[] { "Views", 3, 3 }; tbl.Rows.Add(row); tbl.AcceptChanges(); tbl.EndLoadData(); return tbl; } | > > > > > > > > > > > > | 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 | row = tbl.NewRow(); row.ItemArray = new object[] { "Columns", 4, 4 }; tbl.Rows.Add(row); row = tbl.NewRow(); row.ItemArray = new object[] { "Indexes", 5, 4 }; tbl.Rows.Add(row); row = tbl.NewRow(); row.ItemArray = new object[] { "IndexColumns", 5, 4 }; tbl.Rows.Add(row); row = tbl.NewRow(); row.ItemArray = new object[] { "Tables", 4, 3 }; tbl.Rows.Add(row); row = tbl.NewRow(); row.ItemArray = new object[] { "Views", 3, 3 }; tbl.Rows.Add(row); row = tbl.NewRow(); row.ItemArray = new object[] { "ViewColumns", 4, 4 }; tbl.Rows.Add(row); row = tbl.NewRow(); row.ItemArray = new object[] { "ForeignKeys", 4, 3 }; tbl.Rows.Add(row); tbl.AcceptChanges(); tbl.EndLoadData(); return tbl; } |
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760 761 762 763 764 765 766 | tbl.Columns.Add("DOMAIN_NAME", typeof(string)); tbl.Columns.Add("DESCRIPTION", typeof(string)); tbl.BeginLoadData(); if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main"; | > > > > > > > > | | | | | | | | | | | | | | | | | | | | | | | > > > > | 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 | tbl.Columns.Add("DOMAIN_NAME", typeof(string)); tbl.Columns.Add("DESCRIPTION", typeof(string)); tbl.BeginLoadData(); if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main"; using (SQLiteCommand cmdTables = new SQLiteCommand(String.Format(CultureInfo.CurrentCulture, "SELECT * FROM [{0}].[sqlite_master] WHERE [type] LIKE 'table'", strCatalog), this)) { using (SQLiteDataReader rdTables = cmdTables.ExecuteReader()) { while (rdTables.Read()) { if (String.IsNullOrEmpty(strTable) || String.Compare(strTable, rdTables.GetString(2), true, CultureInfo.CurrentCulture) == 0) { using (SQLiteCommand cmd = new SQLiteCommand(String.Format(CultureInfo.CurrentCulture, "SELECT * FROM [{0}].[{1}]", strCatalog, rdTables.GetString(2)), this)) { using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader(CommandBehavior.SchemaOnly)) { using (DataTable tblSchema = rd.GetSchemaTable()) { foreach (DataRow schemaRow in tblSchema.Rows) { if (String.Compare(schemaRow[SchemaTableColumn.ColumnName].ToString(), strColumn, true, CultureInfo.CurrentCulture) == 0 || strColumn == null) { row = tbl.NewRow(); row["TABLE_NAME"] = rdTables.GetString(2); row["COLUMN_NAME"] = schemaRow[SchemaTableColumn.ColumnName]; row["TABLE_CATALOG"] = strCatalog; row["ORDINAL_POSITION"] = schemaRow[SchemaTableColumn.ColumnOrdinal]; row["COLUMN_HASDEFAULT"] = (schemaRow[SchemaTableOptionalColumn.DefaultValue] != DBNull.Value); row["COLUMN_DEFAULT"] = schemaRow[SchemaTableOptionalColumn.DefaultValue]; row["IS_NULLABLE"] = schemaRow[SchemaTableColumn.AllowDBNull]; row["DATA_TYPE"] = SQLiteConvert.DbTypeToType((DbType)schemaRow[SchemaTableColumn.ProviderType]).ToString(); row["CHARACTER_MAXIMUM_LENGTH"] = schemaRow[SchemaTableColumn.ColumnSize]; row["TABLE_SCHEMA"] = schemaRow[SchemaTableColumn.BaseSchemaName]; tbl.Rows.Add(row); } } } } } } } } } tbl.AcceptChanges(); |
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826 827 828 829 830 831 832 | tbl.Columns.Add("TYPE", typeof(int)); tbl.Columns.Add("FILL_FACTOR", typeof(int)); tbl.Columns.Add("INITIAL_SIZE", typeof(int)); tbl.Columns.Add("NULLS", typeof(int)); tbl.Columns.Add("SORT_BOOKMARKS", typeof(bool)); tbl.Columns.Add("AUTO_UPDATE", typeof(bool)); tbl.Columns.Add("NULL_COLLATION", typeof(int)); | | | 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 | tbl.Columns.Add("TYPE", typeof(int)); tbl.Columns.Add("FILL_FACTOR", typeof(int)); tbl.Columns.Add("INITIAL_SIZE", typeof(int)); tbl.Columns.Add("NULLS", typeof(int)); tbl.Columns.Add("SORT_BOOKMARKS", typeof(bool)); tbl.Columns.Add("AUTO_UPDATE", typeof(bool)); tbl.Columns.Add("NULL_COLLATION", typeof(int)); tbl.Columns.Add("ORDINAL_POSITION", typeof(int)); tbl.Columns.Add("COLUMN_NAME", typeof(string)); tbl.Columns.Add("COLUMN_GUID", typeof(Guid)); tbl.Columns.Add("COLUMN_PROPID", typeof(long)); tbl.Columns.Add("COLLATION", typeof(short)); tbl.Columns.Add("CARDINALITY", typeof(Decimal)); tbl.Columns.Add("PAGES", typeof(int)); tbl.Columns.Add("FILTER_CONDITION", typeof(string)); |
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1282 1283 1284 1285 1286 1287 1288 1289 1290 | IO.StringReader stringReader = new System.IO.StringReader(dataTypesXml); tbl.ReadXml(stringReader); stringReader.Close(); tbl.AcceptChanges(); tbl.EndLoadData(); return tbl; } | | > > > > > > > > > > > > | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 | IO.StringReader stringReader = new System.IO.StringReader(dataTypesXml); tbl.ReadXml(stringReader); stringReader.Close(); tbl.AcceptChanges(); tbl.EndLoadData(); return tbl; } /// <summary> /// Returns the base column information for indexes in a database /// </summary> /// <param name="strCatalog">The catalog to retrieve indexes for (can be null)</param> /// <param name="strTable">The table to restrict index information by (can be null)</param> /// <param name="strIndex">The index to restrict index information by (can be null)</param> /// <param name="strColumn">The source column to restrict index information by (can be null)</param> /// <returns>A DataTable containing the results</returns> private DataTable Schema_IndexColumns(string strCatalog, string strTable, string strIndex, string strColumn) { DataTable tbl = new DataTable("IndexColumns"); DataRow row; tbl.Locale = CultureInfo.InvariantCulture; tbl.Columns.Add("CONSTRAINT_CATALOG", typeof(string)); tbl.Columns.Add("CONSTRAINT_SCHEMA", typeof(string)); tbl.Columns.Add("CONSTRAINT_NAME", typeof(string)); tbl.Columns.Add("TABLE_CATALOG", typeof(string)); tbl.Columns.Add("TABLE_SCHEMA", typeof(string)); tbl.Columns.Add("TABLE_NAME", typeof(string)); tbl.Columns.Add("COLUMN_NAME", typeof(string)); tbl.Columns.Add("ORDINAL_POSITION", typeof(int)); tbl.Columns.Add("INDEX_NAME", typeof(string)); if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main"; tbl.BeginLoadData(); using (SQLiteCommand cmdTable = new SQLiteCommand(String.Format(CultureInfo.CurrentCulture, "SELECT * FROM [{0}].[sqlite_master] WHERE [type] LIKE 'index'", strCatalog), this)) { using (SQLiteDataReader rdTable = cmdTable.ExecuteReader()) { while (rdTable.Read()) { if (String.IsNullOrEmpty(strTable) || String.Compare(strTable, rdTable.GetString(2), true, CultureInfo.CurrentCulture) == 0) { if (String.IsNullOrEmpty(strIndex) || String.Compare(strIndex, rdTable.GetString(1), true, CultureInfo.CurrentCulture) == 0) { using (SQLiteCommand cmdIndex = new SQLiteCommand(String.Format(CultureInfo.CurrentCulture, "PRAGMA [{0}].index_info([{1}])", strCatalog, rdTable.GetString(1)), this)) { using (SQLiteDataReader rdIndex = cmdIndex.ExecuteReader()) { while (rdIndex.Read()) { row = tbl.NewRow(); row["CONSTRAINT_CATALOG"] = strCatalog; row["CONSTRAINT_NAME"] = rdTable.GetString(1); row["TABLE_CATALOG"] = strCatalog; row["TABLE_NAME"] = rdTable.GetString(2); row["COLUMN_NAME"] = rdIndex.GetString(2); row["INDEX_NAME"] = rdTable.GetString(1); row["ORDINAL_POSITION"] = rdIndex.GetInt32(1); tbl.Rows.Add(row); } } } } } } } } tbl.EndLoadData(); tbl.AcceptChanges(); return tbl; } /// <summary> /// Returns detailed column information for a specified view /// </summary> /// <param name="strCatalog">The catalog to retrieve columns for (can be null)</param> /// <param name="strView">The view to restrict column information by (can be null)</param> /// <param name="strColumn">The source column to restrict column information by (can be null)</param> /// <returns>A DataTable containing the results</returns> private DataTable Schema_ViewColumns(string strCatalog, string strView, string strColumn) { DataTable tbl = new DataTable("ViewColumns"); DataRow row; string strSql; int n; DataRow schemaRow; DataRow viewRow; tbl.Locale = CultureInfo.InvariantCulture; tbl.Columns.Add("VIEW_CATALOG", typeof(string)); tbl.Columns.Add("VIEW_SCHEMA", typeof(string)); tbl.Columns.Add("VIEW_NAME", typeof(string)); tbl.Columns.Add("VIEW_COLUMN_NAME", typeof(String)); tbl.Columns.Add("TABLE_CATALOG", typeof(string)); tbl.Columns.Add("TABLE_SCHEMA", typeof(string)); tbl.Columns.Add("TABLE_NAME", typeof(string)); tbl.Columns.Add("COLUMN_NAME", typeof(string)); if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main"; tbl.BeginLoadData(); using (SQLiteCommand cmdViews = new SQLiteCommand(String.Format(CultureInfo.CurrentCulture, "SELECT * FROM [{0}].[sqlite_master] WHERE [type] LIKE 'view'", strCatalog), this)) { using (SQLiteDataReader rdViews = cmdViews.ExecuteReader()) { while (rdViews.Read()) { if (String.IsNullOrEmpty(strView) || String.Compare(strView, rdViews.GetString(2), true, CultureInfo.CurrentCulture) == 0) { using (SQLiteCommand cmdViewSelect = new SQLiteCommand(String.Format(CultureInfo.CurrentCulture, "SELECT * FROM [{0}].[{1}]", strCatalog, rdViews.GetString(2)), this)) { strSql = rdViews.GetString(4); n = CultureInfo.CurrentCulture.CompareInfo.IndexOf(strSql, " AS ", CompareOptions.IgnoreCase); if (n < 0) continue; strSql = strSql.Substring(n + 4); using (SQLiteCommand cmd = new SQLiteCommand(strSql, this)) { using (SQLiteDataReader rdViewSelect = cmdViewSelect.ExecuteReader(CommandBehavior.SchemaOnly)) { using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader(CommandBehavior.SchemaOnly)) { using (DataTable tblSchemaView = rdViewSelect.GetSchemaTable()) { using (DataTable tblSchema = rd.GetSchemaTable()) { for (n = 0; n < tblSchema.Rows.Count; n++) { viewRow = tblSchemaView.Rows[n]; schemaRow = tblSchema.Rows[n]; if (String.Compare(viewRow[SchemaTableColumn.ColumnName].ToString(), strColumn, true, CultureInfo.CurrentCulture) == 0 || strColumn == null) { row = tbl.NewRow(); row["VIEW_CATALOG"] = strCatalog; row["VIEW_NAME"] = rdViews.GetString(2); row["TABLE_CATALOG"] = strCatalog; row["TABLE_SCHEMA"] = schemaRow[SchemaTableColumn.BaseSchemaName]; row["TABLE_NAME"] = schemaRow[SchemaTableColumn.BaseTableName]; row["COLUMN_NAME"] = schemaRow[SchemaTableColumn.ColumnName]; row["VIEW_COLUMN_NAME"] = viewRow[SchemaTableColumn.ColumnName]; tbl.Rows.Add(row); } } } } } } } } } } } } tbl.EndLoadData(); tbl.AcceptChanges(); return tbl; } /// <summary> /// Retrieves foreign key information from the specified set of filters /// </summary> /// <param name="strCatalog">An optional catalog to restrict results on</param> /// <param name="strTable">An optional table to restrict results on</param> /// <param name="strKeyName">An optional foreign key name to restrict results on</param> /// <returns>A DataTable with the results of the query</returns> private DataTable Schema_ForeignKeys(string strCatalog, string strTable, string strKeyName) { DataTable tbl = new DataTable("ForeignKeys"); DataRow row; tbl.Locale = CultureInfo.InvariantCulture; tbl.Columns.Add("CONSTRAINT_CATALOG", typeof(string)); tbl.Columns.Add("CONSTRAINT_SCHEMA", typeof(string)); tbl.Columns.Add("CONSTRAINT_NAME", typeof(string)); tbl.Columns.Add("TABLE_CATALOG", typeof(string)); tbl.Columns.Add("TABLE_SCHEMA", typeof(string)); tbl.Columns.Add("TABLE_NAME", typeof(string)); tbl.Columns.Add("CONSTRAINT_TYPE", typeof(string)); tbl.Columns.Add("IS_DEFERRABLE", typeof(bool)); tbl.Columns.Add("INITIALLY_DEFERRED", typeof(bool)); tbl.Columns.Add("FKEY_FROM_COLUMN", typeof(string)); tbl.Columns.Add("FKEY_TO_CATALOG", typeof(string)); tbl.Columns.Add("FKEY_TO_SCHEMA", typeof(string)); tbl.Columns.Add("FKEY_TO_TABLE", typeof(string)); tbl.Columns.Add("FKEY_TO_COLUMN", typeof(string)); if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main"; tbl.BeginLoadData(); using (SQLiteCommand cmdTables = new SQLiteCommand(String.Format(CultureInfo.CurrentCulture, "SELECT * FROM [{0}].[sqlite_master] WHERE [type] LIKE 'table'", strCatalog), this)) { using (SQLiteDataReader rdTables = cmdTables.ExecuteReader()) { while (rdTables.Read()) { if (String.IsNullOrEmpty(strTable) || String.Compare(strTable, rdTables.GetString(2), true, CultureInfo.CurrentCulture) == 0) { using (SQLiteCommand cmdKey = new SQLiteCommand(String.Format(CultureInfo.CurrentCulture, "PRAGMA [{0}].foreign_key_list([{1}])", strCatalog, rdTables.GetString(2)), this)) { using (SQLiteDataReader rdKey = cmdKey.ExecuteReader()) { while (rdKey.Read()) { row = tbl.NewRow(); row["CONSTRAINT_CATALOG"] = strCatalog; row["CONSTRAINT_NAME"] = String.Format(CultureInfo.CurrentCulture, "unnamed{0}", rdKey.GetInt64(0)); row["TABLE_CATALOG"] = strCatalog; row["TABLE_NAME"] = rdTables.GetString(2); row["CONSTRAINT_TYPE"] = "FOREIGN KEY"; row["IS_DEFERRABLE"] = false; row["INITIALLY_DEFERRED"] = false; row["FKEY_TO_CATALOG"] = strCatalog; row["FKEY_TO_TABLE"] = rdKey.GetString(2); row["FKEY_FROM_COLUMN"] = rdKey.GetString(3); row["FKEY_TO_COLUMN"] = rdKey.GetString(4); tbl.Rows.Add(row); } } } } } } } tbl.EndLoadData(); tbl.AcceptChanges(); return tbl; } } } |
Changes to System.Data.SQLite/SQLiteDataReader.cs.
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469 470 471 472 473 474 475 | { cnn._sql.SetRealColNames(true); // Create a new command based on the original. The only difference being that this new command returns // fully-qualified Database.Table.Column column names because of the above pragma using (SQLiteCommand cmd = new SQLiteCommand(_activeStatement._sqlStatement, cnn)) { | | | 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 | { cnn._sql.SetRealColNames(true); // Create a new command based on the original. The only difference being that this new command returns // fully-qualified Database.Table.Column column names because of the above pragma using (SQLiteCommand cmd = new SQLiteCommand(_activeStatement._sqlStatement, cnn)) { using (DbDataReader rd = cmd.ExecuteReader(CommandBehavior.SchemaOnly)) { // No need to Read() from this reader, we just want the column names for (int n = 0; n < _fieldCount; n++) { strTable = ""; strCatalog = "main"; |
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