Source Code Cross Referenced for DatabaseBackendMetaData.java in  » Database-JDBC-Connection-Pool » sequoia-2.10.9 » org » continuent » sequoia » controller » backend » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database JDBC Connection Pool » sequoia 2.10.9 » org.continuent.sequoia.controller.backend 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


0001:        /**
0002:         * Sequoia: Database clustering technology.
0003:         * Copyright (C) 2002-2004 French National Institute For Research In Computer
0004:         * Science And Control (INRIA).
0005:         * Copyright (C) 2005 AmicoSoft, Inc. dba Emic Networks
0006:         * Contact: sequoia@continuent.org
0007:         * 
0008:         * Licensed under the Apache License, Version 2.0 (the "License");
0009:         * you may not use this file except in compliance with the License.
0010:         * You may obtain a copy of the License at
0011:         * 
0012:         * http://www.apache.org/licenses/LICENSE-2.0
0013:         * 
0014:         * Unless required by applicable law or agreed to in writing, software
0015:         * distributed under the License is distributed on an "AS IS" BASIS,
0016:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0017:         * See the License for the specific language governing permissions and
0018:         * limitations under the License. 
0019:         *
0020:         * Initial developer(s): Julie Marguerite.
0021:         * Contributor(s): Emmanuel Cecchet, Nicolas Modrzyk, Mathieu Peltier, Jean-Bernard van Zuylen.
0022:         */package org.continuent.sequoia.controller.backend;
0023:
0024:        import java.lang.reflect.InvocationTargetException;
0025:        import java.lang.reflect.Method;
0026:        import java.sql.Connection;
0027:        import java.sql.DatabaseMetaData;
0028:        import java.sql.ResultSet;
0029:        import java.sql.SQLException;
0030:
0031:        import org.continuent.sequoia.common.i18n.Translate;
0032:        import org.continuent.sequoia.common.log.Trace;
0033:        import org.continuent.sequoia.common.sql.metadata.MetadataContainer;
0034:        import org.continuent.sequoia.common.sql.metadata.MetadataDescription;
0035:        import org.continuent.sequoia.common.sql.schema.DatabaseSchema;
0036:        import org.continuent.sequoia.controller.connection.AbstractConnectionManager;
0037:        import org.continuent.sequoia.controller.connection.PooledConnection;
0038:
0039:        /**
0040:         * A <code>DatabaseBackendMetaData</code> is used to retrieve the database
0041:         * schema of a real database backend that will have to be bound to a virtual
0042:         * Sequoia database.
0043:         * 
0044:         * @author <a href="mailto:Julie.Marguerite@inria.fr">Julie Marguerite </a>
0045:         * @author <a href="mailto:Emmanuel.Cecchet@inria.fr">Emmanuel Cecchet </a>
0046:         * @author <a href="mailto:Nicolas.Modrzyk@inrialpes.fr">Nicolas Modrzyk </a>
0047:         * @author <a href="mailto:Mathieu.Peltier@inrialpes.fr">Mathieu Peltier </a>
0048:         * @author <a href="mailto:jbvanzuylen@transwide.com">Jean-Bernard van Zuylen
0049:         *         </a>
0050:         * @version 1.0
0051:         */
0052:        public final class DatabaseBackendMetaData {
0053:            /** Connection manager to get a connection from. */
0054:            private AbstractConnectionManager connectionManager;
0055:
0056:            /** Logger instance. */
0057:            private Trace logger;
0058:
0059:            /** Schema of the database backend. */
0060:            private DatabaseSchema databaseSchema;
0061:
0062:            /** The precision of the dynamically generated schema */
0063:            private int dynamicPrecision;
0064:
0065:            /** Should the system tables be gathered or not */
0066:            private boolean gatherSystemTables = false;
0067:
0068:            /** Virtual database name that can be used as a table name prefix in the schema */
0069:            private String vdbName;
0070:
0071:            /** The name of the schema used to gather meta data */
0072:            private String schemaName = null;
0073:
0074:            /** Container for static metadata */
0075:            private MetadataContainer metadataContainer = null;
0076:
0077:            /**
0078:             * Creates a new <code>DatabaseBackendMetaData</code> instance. This class
0079:             * takes care of initializing the connection manager if needed but the driver
0080:             * must have been previously loaded else the connection manager's
0081:             * initialization will fail.
0082:             * 
0083:             * @param connectionManager the connection manager to gather the schema from
0084:             * @param logger the logger (usually the backend logger) to use
0085:             * @param dynamicPrecision the precision with which we gather a schema
0086:             *          directly from the backend
0087:             * @param gatherSystemTables true if system tables must be gathered
0088:             * @param vdbName the virtual database name this schema represents
0089:             * @param schemaName schema name to use to retrieve information
0090:             */
0091:            public DatabaseBackendMetaData(
0092:                    AbstractConnectionManager connectionManager, Trace logger,
0093:                    int dynamicPrecision, boolean gatherSystemTables,
0094:                    String vdbName, String schemaName) {
0095:                this .connectionManager = connectionManager;
0096:                this .dynamicPrecision = dynamicPrecision;
0097:                this .logger = logger;
0098:                this .gatherSystemTables = gatherSystemTables;
0099:                this .vdbName = vdbName;
0100:                this .schemaName = schemaName;
0101:            }
0102:
0103:            /**
0104:             * This method invokes by reflection the appropriate metadata method and fills
0105:             * the container with the result.
0106:             * 
0107:             * @param metaData metadata to invoke
0108:             * @param methodName method to invoke
0109:             * @param parametersType parameters type of method to invoke
0110:             * @param arguments arguments to invoke the method
0111:             */
0112:            private void insertMetadataInContainer(DatabaseMetaData metaData,
0113:                    String methodName, Class[] parametersType,
0114:                    Object[] arguments) {
0115:                Class metadataClass = metaData.getClass();
0116:                try {
0117:                    Method method = metadataClass.getMethod(methodName,
0118:                            parametersType);
0119:                    Object result = method.invoke(metaData, arguments);
0120:                    updateContainerInformation(methodName, parametersType,
0121:                            arguments, result);
0122:                } catch (SecurityException e) {
0123:                    if (logger.isDebugEnabled())
0124:                        logger.debug("Problem calling " + methodName, e);
0125:                    else
0126:                        logger.warn("Unable to get information for "
0127:                                + methodName);
0128:                } catch (IllegalArgumentException e) {
0129:                    if (logger.isDebugEnabled())
0130:                        logger.debug("Problem calling " + methodName, e);
0131:                    else
0132:                        logger.warn("Unable to get information for "
0133:                                + methodName);
0134:                } catch (NoSuchMethodException e) {
0135:                    if (logger.isDebugEnabled())
0136:                        logger
0137:                                .debug("Metadata "
0138:                                        + methodName
0139:                                        + " does not exists. Probably not supported by your JDK.");
0140:                } catch (IllegalAccessException e) {
0141:                    if (logger.isDebugEnabled())
0142:                        logger.debug("Problem calling " + methodName, e);
0143:                    else
0144:                        logger.warn("Unable to get information for "
0145:                                + methodName);
0146:                } catch (InvocationTargetException e) {
0147:                    if (logger.isDebugEnabled())
0148:                        logger.debug("Problem calling " + methodName, e);
0149:                    else
0150:                        logger.warn("Unable to get information for "
0151:                                + methodName);
0152:                } catch (AbstractMethodError e) {
0153:                    // user Wolfgang Koppenberger reported problems with code compiled with
0154:                    // java 1.3, it throws AbstractMethodError instead of
0155:                    // NoSuchMethodException
0156:                    if (logger.isDebugEnabled())
0157:                        logger
0158:                                .debug("Metadata "
0159:                                        + methodName
0160:                                        + " does not exists. Probably not supported by your jdbc-driver.");
0161:                }
0162:            }
0163:
0164:            /**
0165:             * Update the metadata container information for the given method.
0166:             * 
0167:             * @param methodName method invoked to generate the key in the container
0168:             * @param parametersType parameters type of invoked method
0169:             * @param arguments arguments used to invoke the method
0170:             * @param result result of the method call
0171:             */
0172:            private void updateContainerInformation(String methodName,
0173:                    Class[] parametersType, Object[] arguments, Object result) {
0174:                String key = MetadataContainer.getContainerKey(methodName,
0175:                        parametersType, arguments);
0176:                metadataContainer.put(key, result);
0177:                if (logger.isDebugEnabled())
0178:                    logger.debug("Updating metadata " + key + "=" + result);
0179:            }
0180:
0181:            /**
0182:             * Retrieve metadata from a connection on this backend and build the
0183:             * ("getDataXXX(Y,Z,...)", value) hash table. Note that some values are
0184:             * overriden with Sequoia specific features (add-ons or limitations).
0185:             * 
0186:             * @return a metadata container including all metadata values
0187:             * @throws SQLException if an error occurs
0188:             */
0189:            public MetadataContainer retrieveDatabaseMetadata()
0190:                    throws SQLException {
0191:                if (metadataContainer != null)
0192:                    return metadataContainer;
0193:
0194:                // Retrieve metadata
0195:                boolean wasInitialized = connectionManager.isInitialized();
0196:
0197:                DatabaseMetaData metaData;
0198:                PooledConnection pooledConnection = null;
0199:                try {
0200:                    if (!wasInitialized)
0201:                        connectionManager.initializeConnections();
0202:
0203:                    pooledConnection = connectionManager
0204:                            .retrieveConnectionInAutoCommit(null);
0205:                    if (pooledConnection == null) {
0206:                        String msg = Translate
0207:                                .get("backend.meta.connection.failed");
0208:                        logger.error(msg);
0209:                        throw new SQLException(msg);
0210:                    }
0211:                    Connection connection = pooledConnection.getConnection();
0212:                    if (connection == null) {
0213:                        String msg = Translate
0214:                                .get("backend.meta.connection.failed");
0215:                        logger.error(msg);
0216:                        throw new SQLException(msg);
0217:                    }
0218:
0219:                    metaData = connection.getMetaData();
0220:                    metadataContainer = new MetadataContainer(connection
0221:                            .getMetaData().getURL());
0222:
0223:                    // TODO: Move this to a separate command
0224:                    // Boolean.valueOf(metaData.supportsConvert(int,int)
0225:
0226:                    // Metadata in alphabetical order.
0227:                    // These calls do not seem to throw anything, but require a valid
0228:                    // connection (which is closed in the finally block).
0229:                    insertMetadataInContainer(metaData,
0230:                            MetadataDescription.ALL_PROCEDURES_ARE_CALLABLE,
0231:                            null, null);
0232:                    insertMetadataInContainer(metaData,
0233:                            MetadataDescription.ALL_TABLES_ARE_SELECTABLE,
0234:                            null, null);
0235:                    insertMetadataInContainer(
0236:                            metaData,
0237:                            MetadataDescription.DATA_DEFINITION_CAUSES_TRANSACTION_COMMIT,
0238:                            null, null);
0239:                    insertMetadataInContainer(
0240:                            metaData,
0241:                            MetadataDescription.DATA_DEFINITION_IGNORED_IN_TRANSACTIONS,
0242:                            null, null);
0243:                    insertMetadataInContainer(metaData,
0244:                            MetadataDescription.DELETES_ARE_DETECTED,
0245:                            new Class[] { Integer.TYPE },
0246:                            new Object[] { new Integer(
0247:                                    ResultSet.TYPE_FORWARD_ONLY) });
0248:                    insertMetadataInContainer(metaData,
0249:                            MetadataDescription.DELETES_ARE_DETECTED,
0250:                            new Class[] { Integer.TYPE },
0251:                            new Object[] { new Integer(
0252:                                    ResultSet.TYPE_SCROLL_INSENSITIVE) });
0253:                    insertMetadataInContainer(metaData,
0254:                            MetadataDescription.DELETES_ARE_DETECTED,
0255:                            new Class[] { Integer.TYPE },
0256:                            new Object[] { new Integer(
0257:                                    ResultSet.TYPE_SCROLL_SENSITIVE) });
0258:                    insertMetadataInContainer(
0259:                            metaData,
0260:                            MetadataDescription.DOES_MAX_ROW_SIZE_INCLUDE_BLOBS,
0261:                            null, null);
0262:                    insertMetadataInContainer(
0263:                            metaData,
0264:                            MetadataDescription.GET_DEFAULT_TRANSACTION_ISOLATION,
0265:                            null, null);
0266:                    insertMetadataInContainer(metaData,
0267:                            MetadataDescription.GET_DATABASE_MAJOR_VERSION,
0268:                            null, null);
0269:                    insertMetadataInContainer(metaData,
0270:                            MetadataDescription.GET_DATABASE_MINOR_VERSION,
0271:                            null, null);
0272:                    insertMetadataInContainer(metaData,
0273:                            MetadataDescription.GET_DRIVER_MAJOR_VERSION, null,
0274:                            null);
0275:                    insertMetadataInContainer(metaData,
0276:                            MetadataDescription.GET_DRIVER_MINOR_VERSION, null,
0277:                            null);
0278:                    insertMetadataInContainer(metaData,
0279:                            MetadataDescription.GET_JDBC_MAJOR_VERSION, null,
0280:                            null);
0281:                    insertMetadataInContainer(metaData,
0282:                            MetadataDescription.GET_JDBC_MINOR_VERSION, null,
0283:                            null);
0284:                    insertMetadataInContainer(metaData,
0285:                            MetadataDescription.GET_MAX_BINARY_LITERAL_LENGTH,
0286:                            null, null);
0287:                    insertMetadataInContainer(metaData,
0288:                            MetadataDescription.GET_RESULTSET_HOLDABILITY,
0289:                            null, null);
0290:                    insertMetadataInContainer(metaData,
0291:                            MetadataDescription.GET_SQL_STATE_TYPE, null, null);
0292:                    insertMetadataInContainer(metaData,
0293:                            MetadataDescription.GET_MAX_CATALOG_NAME_LENGTH,
0294:                            null, null);
0295:                    insertMetadataInContainer(metaData,
0296:                            MetadataDescription.GET_MAX_CHAR_LITERAL_LENGTH,
0297:                            null, null);
0298:                    insertMetadataInContainer(metaData,
0299:                            MetadataDescription.GET_MAX_COLUMN_NAME_LENGTH,
0300:                            null, null);
0301:                    insertMetadataInContainer(metaData,
0302:                            MetadataDescription.GET_MAX_COLUMNS_IN_GROUP_BY,
0303:                            null, null);
0304:                    insertMetadataInContainer(metaData,
0305:                            MetadataDescription.GET_MAX_COLUMNS_IN_INDEX, null,
0306:                            null);
0307:                    insertMetadataInContainer(metaData,
0308:                            MetadataDescription.GET_MAX_COLUMNS_IN_ORDER_BY,
0309:                            null, null);
0310:                    insertMetadataInContainer(metaData,
0311:                            MetadataDescription.GET_MAX_COLUMNS_IN_SELECT,
0312:                            null, null);
0313:                    insertMetadataInContainer(metaData,
0314:                            MetadataDescription.GET_MAX_COLUMNS_IN_TABLE, null,
0315:                            null);
0316:                    insertMetadataInContainer(metaData,
0317:                            MetadataDescription.GET_MAX_CONNECTIONS, null, null);
0318:                    insertMetadataInContainer(metaData,
0319:                            MetadataDescription.GET_MAX_CURSOR_NAME_LENGTH,
0320:                            null, null);
0321:                    insertMetadataInContainer(metaData,
0322:                            MetadataDescription.GET_MAX_INDEX_LENGTH, null,
0323:                            null);
0324:                    insertMetadataInContainer(metaData,
0325:                            MetadataDescription.GET_MAX_PROCEDURE_NAME_LENGTH,
0326:                            null, null);
0327:                    insertMetadataInContainer(metaData,
0328:                            MetadataDescription.GET_MAX_ROW_SIZE, null, null);
0329:                    insertMetadataInContainer(metaData,
0330:                            MetadataDescription.GET_MAX_SCHEMA_NAME_LENGTH,
0331:                            null, null);
0332:                    insertMetadataInContainer(metaData,
0333:                            MetadataDescription.GET_MAX_STATEMENT_LENGTH, null,
0334:                            null);
0335:                    insertMetadataInContainer(metaData,
0336:                            MetadataDescription.GET_MAX_STATEMENTS, null, null);
0337:                    insertMetadataInContainer(metaData,
0338:                            MetadataDescription.GET_MAX_TABLE_NAME_LENGTH,
0339:                            null, null);
0340:                    insertMetadataInContainer(metaData,
0341:                            MetadataDescription.GET_MAX_TABLES_IN_SELECT, null,
0342:                            null);
0343:                    insertMetadataInContainer(metaData,
0344:                            MetadataDescription.GET_MAX_USER_NAME_LENGTH, null,
0345:                            null);
0346:                    // strings
0347:                    insertMetadataInContainer(metaData,
0348:                            MetadataDescription.GET_CATALOG_SEPARATOR, null,
0349:                            null);
0350:                    insertMetadataInContainer(metaData,
0351:                            MetadataDescription.GET_CATALOG_TERM, null, null);
0352:                    insertMetadataInContainer(metaData,
0353:                            MetadataDescription.GET_DATABASE_PRODUCT_NAME,
0354:                            null, null);
0355:                    insertMetadataInContainer(metaData,
0356:                            MetadataDescription.GET_DRIVER_NAME, null, null);
0357:                    insertMetadataInContainer(metaData,
0358:                            MetadataDescription.GET_DRIVER_VERSION, null, null);
0359:                    insertMetadataInContainer(metaData,
0360:                            MetadataDescription.GET_EXTRA_NAME_CHARACTERS,
0361:                            null, null);
0362:                    insertMetadataInContainer(metaData,
0363:                            MetadataDescription.GET_IDENTIFIER_QUOTE_STRING,
0364:                            null, null);
0365:                    insertMetadataInContainer(metaData,
0366:                            MetadataDescription.GET_NUMERIC_FUNCTIONS, null,
0367:                            null);
0368:                    insertMetadataInContainer(metaData,
0369:                            MetadataDescription.GET_PROCEDURE_TERM, null, null);
0370:                    insertMetadataInContainer(metaData,
0371:                            MetadataDescription.GET_SCHEMA_TERM, null, null);
0372:                    insertMetadataInContainer(metaData,
0373:                            MetadataDescription.GET_SEARCH_STRING_ESCAPE, null,
0374:                            null);
0375:                    insertMetadataInContainer(metaData,
0376:                            MetadataDescription.GET_SQL_KEYWORDS, null, null);
0377:                    insertMetadataInContainer(metaData,
0378:                            MetadataDescription.GET_STRING_FUNCTIONS, null,
0379:                            null);
0380:                    insertMetadataInContainer(metaData,
0381:                            MetadataDescription.GET_SYSTEM_FUNCTIONS, null,
0382:                            null);
0383:                    insertMetadataInContainer(metaData,
0384:                            MetadataDescription.GET_TIME_DATE_FUNCTIONS, null,
0385:                            null);
0386:                    insertMetadataInContainer(metaData,
0387:                            MetadataDescription.INSERTS_ARE_DETECTED,
0388:                            new Class[] { Integer.TYPE },
0389:                            new Object[] { new Integer(
0390:                                    ResultSet.TYPE_FORWARD_ONLY) });
0391:                    insertMetadataInContainer(metaData,
0392:                            MetadataDescription.INSERTS_ARE_DETECTED,
0393:                            new Class[] { Integer.TYPE },
0394:                            new Object[] { new Integer(
0395:                                    ResultSet.TYPE_SCROLL_INSENSITIVE) });
0396:                    insertMetadataInContainer(metaData,
0397:                            MetadataDescription.INSERTS_ARE_DETECTED,
0398:                            new Class[] { Integer.TYPE },
0399:                            new Object[] { new Integer(
0400:                                    ResultSet.TYPE_SCROLL_SENSITIVE) });
0401:                    insertMetadataInContainer(metaData,
0402:                            MetadataDescription.LOCATORS_UPDATE_COPY, null,
0403:                            null);
0404:                    insertMetadataInContainer(metaData,
0405:                            MetadataDescription.NULL_PLUS_NON_NULL_IS_NULL,
0406:                            null, null);
0407:                    insertMetadataInContainer(metaData,
0408:                            MetadataDescription.NULLS_ARE_SORTED_AT_END, null,
0409:                            null);
0410:                    insertMetadataInContainer(metaData,
0411:                            MetadataDescription.NULLS_ARE_SORTED_AT_START,
0412:                            null, null);
0413:                    insertMetadataInContainer(metaData,
0414:                            MetadataDescription.NULLS_ARE_SORTED_HIGH, null,
0415:                            null);
0416:                    insertMetadataInContainer(metaData,
0417:                            MetadataDescription.NULLS_ARE_SORTED_LOW, null,
0418:                            null);
0419:                    insertMetadataInContainer(metaData,
0420:                            MetadataDescription.OTHERS_DELETES_ARE_VISIBLE,
0421:                            new Class[] { Integer.TYPE },
0422:                            new Object[] { new Integer(
0423:                                    ResultSet.TYPE_FORWARD_ONLY) });
0424:                    insertMetadataInContainer(metaData,
0425:                            MetadataDescription.OTHERS_DELETES_ARE_VISIBLE,
0426:                            new Class[] { Integer.TYPE },
0427:                            new Object[] { new Integer(
0428:                                    ResultSet.TYPE_SCROLL_INSENSITIVE) });
0429:                    insertMetadataInContainer(metaData,
0430:                            MetadataDescription.OTHERS_DELETES_ARE_VISIBLE,
0431:                            new Class[] { Integer.TYPE },
0432:                            new Object[] { new Integer(
0433:                                    ResultSet.TYPE_SCROLL_SENSITIVE) });
0434:                    insertMetadataInContainer(metaData,
0435:                            MetadataDescription.OTHERS_INSERTS_ARE_VISIBLE,
0436:                            new Class[] { Integer.TYPE },
0437:                            new Object[] { new Integer(
0438:                                    ResultSet.TYPE_FORWARD_ONLY) });
0439:                    insertMetadataInContainer(metaData,
0440:                            MetadataDescription.OTHERS_INSERTS_ARE_VISIBLE,
0441:                            new Class[] { Integer.TYPE },
0442:                            new Object[] { new Integer(
0443:                                    ResultSet.TYPE_SCROLL_INSENSITIVE) });
0444:                    insertMetadataInContainer(metaData,
0445:                            MetadataDescription.OTHERS_INSERTS_ARE_VISIBLE,
0446:                            new Class[] { Integer.TYPE },
0447:                            new Object[] { new Integer(
0448:                                    ResultSet.TYPE_SCROLL_SENSITIVE) });
0449:                    insertMetadataInContainer(metaData,
0450:                            MetadataDescription.OTHERS_UPDATES_ARE_VISIBLE,
0451:                            new Class[] { Integer.TYPE },
0452:                            new Object[] { new Integer(
0453:                                    ResultSet.TYPE_FORWARD_ONLY) });
0454:                    insertMetadataInContainer(metaData,
0455:                            MetadataDescription.OTHERS_UPDATES_ARE_VISIBLE,
0456:                            new Class[] { Integer.TYPE },
0457:                            new Object[] { new Integer(
0458:                                    ResultSet.TYPE_SCROLL_INSENSITIVE) });
0459:                    insertMetadataInContainer(metaData,
0460:                            MetadataDescription.OTHERS_UPDATES_ARE_VISIBLE,
0461:                            new Class[] { Integer.TYPE },
0462:                            new Object[] { new Integer(
0463:                                    ResultSet.TYPE_SCROLL_SENSITIVE) });
0464:                    insertMetadataInContainer(metaData,
0465:                            MetadataDescription.OWN_DELETES_ARE_VISIBLE,
0466:                            new Class[] { Integer.TYPE },
0467:                            new Object[] { new Integer(
0468:                                    ResultSet.TYPE_FORWARD_ONLY) });
0469:                    insertMetadataInContainer(metaData,
0470:                            MetadataDescription.OWN_DELETES_ARE_VISIBLE,
0471:                            new Class[] { Integer.TYPE },
0472:                            new Object[] { new Integer(
0473:                                    ResultSet.TYPE_SCROLL_INSENSITIVE) });
0474:                    insertMetadataInContainer(metaData,
0475:                            MetadataDescription.OWN_DELETES_ARE_VISIBLE,
0476:                            new Class[] { Integer.TYPE },
0477:                            new Object[] { new Integer(
0478:                                    ResultSet.TYPE_SCROLL_SENSITIVE) });
0479:                    insertMetadataInContainer(metaData,
0480:                            MetadataDescription.OWN_INSERTS_ARE_VISIBLE,
0481:                            new Class[] { Integer.TYPE },
0482:                            new Object[] { new Integer(
0483:                                    ResultSet.TYPE_FORWARD_ONLY) });
0484:                    insertMetadataInContainer(metaData,
0485:                            MetadataDescription.OWN_INSERTS_ARE_VISIBLE,
0486:                            new Class[] { Integer.TYPE },
0487:                            new Object[] { new Integer(
0488:                                    ResultSet.TYPE_SCROLL_INSENSITIVE) });
0489:                    insertMetadataInContainer(metaData,
0490:                            MetadataDescription.OWN_INSERTS_ARE_VISIBLE,
0491:                            new Class[] { Integer.TYPE },
0492:                            new Object[] { new Integer(
0493:                                    ResultSet.TYPE_SCROLL_SENSITIVE) });
0494:                    insertMetadataInContainer(metaData,
0495:                            MetadataDescription.OWN_UPDATES_ARE_VISIBLE,
0496:                            new Class[] { Integer.TYPE },
0497:                            new Object[] { new Integer(
0498:                                    ResultSet.TYPE_FORWARD_ONLY) });
0499:                    insertMetadataInContainer(metaData,
0500:                            MetadataDescription.OWN_UPDATES_ARE_VISIBLE,
0501:                            new Class[] { Integer.TYPE },
0502:                            new Object[] { new Integer(
0503:                                    ResultSet.TYPE_SCROLL_INSENSITIVE) });
0504:                    insertMetadataInContainer(metaData,
0505:                            MetadataDescription.OWN_UPDATES_ARE_VISIBLE,
0506:                            new Class[] { Integer.TYPE },
0507:                            new Object[] { new Integer(
0508:                                    ResultSet.TYPE_SCROLL_SENSITIVE) });
0509:                    insertMetadataInContainer(metaData,
0510:                            MetadataDescription.STORES_LOWER_CASE_IDENTIFIERS,
0511:                            null, null);
0512:                    insertMetadataInContainer(
0513:                            metaData,
0514:                            MetadataDescription.STORES_LOWER_CASE_QUOTED_IDENTIFIERS,
0515:                            null, null);
0516:                    insertMetadataInContainer(metaData,
0517:                            MetadataDescription.STORES_MIXED_CASE_IDENTIFIERS,
0518:                            null, null);
0519:                    insertMetadataInContainer(
0520:                            metaData,
0521:                            MetadataDescription.STORES_MIXED_CASE_QUOTED_IDENTIFIERS,
0522:                            null, null);
0523:                    insertMetadataInContainer(metaData,
0524:                            MetadataDescription.STORES_UPPER_CASE_IDENTIFIERS,
0525:                            null, null);
0526:                    insertMetadataInContainer(
0527:                            metaData,
0528:                            MetadataDescription.STORES_UPPER_CASE_QUOTED_IDENTIFIERS,
0529:                            null, null);
0530:                    insertMetadataInContainer(
0531:                            metaData,
0532:                            MetadataDescription.SUPPORTS_ALTER_TABLE_WITH_ADD_COLUMN,
0533:                            null, null);
0534:                    insertMetadataInContainer(
0535:                            metaData,
0536:                            MetadataDescription.SUPPORTS_ALTER_TABLE_WITH_DROP_COLUMN,
0537:                            null, null);
0538:                    insertMetadataInContainer(
0539:                            metaData,
0540:                            MetadataDescription.SUPPORTS_ANSI92_ENTRY_LEVEL_SQL,
0541:                            null, null);
0542:                    insertMetadataInContainer(metaData,
0543:                            MetadataDescription.SUPPORTS_ANSI92_FULL_SQL, null,
0544:                            null);
0545:                    insertMetadataInContainer(
0546:                            metaData,
0547:                            MetadataDescription.SUPPORTS_ANSI92_INTERMEDIATE_SQL,
0548:                            null, null);
0549:                    insertMetadataInContainer(metaData,
0550:                            MetadataDescription.SUPPORTS_BATCH_UPDATES, null,
0551:                            null);
0552:                    insertMetadataInContainer(
0553:                            metaData,
0554:                            MetadataDescription.SUPPORTS_CATALOGS_IN_DATA_MANIPULATION,
0555:                            null, null);
0556:                    insertMetadataInContainer(
0557:                            metaData,
0558:                            MetadataDescription.SUPPORTS_CATALOGS_IN_INDEX_DEFINITIONS,
0559:                            null, null);
0560:                    insertMetadataInContainer(
0561:                            metaData,
0562:                            MetadataDescription.SUPPORTS_CATALOGS_IN_PRIVILEGE_DEFINITIONS,
0563:                            null, null);
0564:                    insertMetadataInContainer(
0565:                            metaData,
0566:                            MetadataDescription.SUPPORTS_CATALOGS_IN_PROCEDURE_CALLS,
0567:                            null, null);
0568:                    insertMetadataInContainer(
0569:                            metaData,
0570:                            MetadataDescription.SUPPORTS_CATALOGS_IN_TABLE_DEFINITIONS,
0571:                            null, null);
0572:                    insertMetadataInContainer(metaData,
0573:                            MetadataDescription.SUPPORTS_COLUMN_ALIASING, null,
0574:                            null);
0575:                    insertMetadataInContainer(metaData,
0576:                            MetadataDescription.SUPPORTS_CONVERT, null, null);
0577:                    insertMetadataInContainer(metaData,
0578:                            MetadataDescription.SUPPORTS_CORE_SQL_GRAMMAR,
0579:                            null, null);
0580:                    insertMetadataInContainer(metaData,
0581:                            MetadataDescription.SUPPORTS_CORRELATED_SUBQUERIES,
0582:                            null, null);
0583:                    insertMetadataInContainer(
0584:                            metaData,
0585:                            MetadataDescription.SUPPORTS_DATA_DEFINITION_AND_DATA_MANIPULATION_TRANSACTIONS,
0586:                            null, null);
0587:                    insertMetadataInContainer(
0588:                            metaData,
0589:                            MetadataDescription.SUPPORTS_DATA_MANIPULATION_TRANSACTIONS_ONLY,
0590:                            null, null);
0591:                    insertMetadataInContainer(
0592:                            metaData,
0593:                            MetadataDescription.SUPPORTS_DIFFERENT_TABLE_CORRELATION_NAMES,
0594:                            null, null);
0595:                    insertMetadataInContainer(
0596:                            metaData,
0597:                            MetadataDescription.SUPPORTS_EXPRESSIONS_IN_ORDER_BY,
0598:                            null, null);
0599:                    insertMetadataInContainer(metaData,
0600:                            MetadataDescription.SUPPORTS_EXTENDED_SQL_GRAMMAR,
0601:                            null, null);
0602:                    insertMetadataInContainer(metaData,
0603:                            MetadataDescription.SUPPORTS_FULL_OUTER_JOINS,
0604:                            null, null);
0605:                    insertMetadataInContainer(metaData,
0606:                            MetadataDescription.SUPPORTS_GET_GENERATED_KEYS,
0607:                            null, null);
0608:                    insertMetadataInContainer(metaData,
0609:                            MetadataDescription.SUPPORTS_GROUP_BY, null, null);
0610:                    insertMetadataInContainer(
0611:                            metaData,
0612:                            MetadataDescription.SUPPORTS_GROUP_BY_BEYOND_SELECT,
0613:                            null, null);
0614:                    insertMetadataInContainer(metaData,
0615:                            MetadataDescription.SUPPORTS_GROUP_BY_UNRELATED,
0616:                            null, null);
0617:                    insertMetadataInContainer(
0618:                            metaData,
0619:                            MetadataDescription.SUPPORTS_INTEGRITY_ENHANCEMENT_FACILITY,
0620:                            null, null);
0621:                    insertMetadataInContainer(metaData,
0622:                            MetadataDescription.SUPPORTS_LIKE_ESCAPE_CLAUSE,
0623:                            null, null);
0624:                    insertMetadataInContainer(metaData,
0625:                            MetadataDescription.SUPPORTS_LIMITED_OUTER_JOINS,
0626:                            null, null);
0627:                    insertMetadataInContainer(metaData,
0628:                            MetadataDescription.SUPPORTS_MINIMUM_SQL_GRAMMAR,
0629:                            null, null);
0630:                    insertMetadataInContainer(
0631:                            metaData,
0632:                            MetadataDescription.SUPPORTS_MIXED_CASE_IDENTIFIERS,
0633:                            null, null);
0634:                    insertMetadataInContainer(
0635:                            metaData,
0636:                            MetadataDescription.SUPPORTS_MIXED_CASE_QUOTED_IDENTIFIERS,
0637:                            null, null);
0638:                    insertMetadataInContainer(metaData,
0639:                            MetadataDescription.SUPPORTS_MULTIPLE_OPEN_RESULTS,
0640:                            null, null);
0641:                    insertMetadataInContainer(metaData,
0642:                            MetadataDescription.SUPPORTS_MULTIPLE_RESULTSETS,
0643:                            null, null);
0644:                    insertMetadataInContainer(metaData,
0645:                            MetadataDescription.SUPPORTS_MULTIPLE_TRANSACTIONS,
0646:                            null, null);
0647:                    insertMetadataInContainer(metaData,
0648:                            MetadataDescription.SUPPORTS_NAMED_PARAMETERS,
0649:                            null, null);
0650:                    insertMetadataInContainer(metaData,
0651:                            MetadataDescription.SUPPORTS_NON_NULLABLE_COLUMNS,
0652:                            null, null);
0653:                    insertMetadataInContainer(
0654:                            metaData,
0655:                            MetadataDescription.SUPPORTS_OPEN_CURSORS_ACROSS_COMMIT,
0656:                            null, null);
0657:                    insertMetadataInContainer(
0658:                            metaData,
0659:                            MetadataDescription.SUPPORTS_OPEN_CURSORS_ACROSS_ROLLBACK,
0660:                            null, null);
0661:                    insertMetadataInContainer(
0662:                            metaData,
0663:                            MetadataDescription.SUPPORTS_OPEN_STATEMENTS_ACROSS_COMMIT,
0664:                            null, null);
0665:                    insertMetadataInContainer(
0666:                            metaData,
0667:                            MetadataDescription.SUPPORTS_OPEN_STATEMENTS_ACROSS_ROLLBACK,
0668:                            null, null);
0669:                    insertMetadataInContainer(metaData,
0670:                            MetadataDescription.SUPPORTS_ORDER_BY_UNRELATED,
0671:                            null, null);
0672:                    insertMetadataInContainer(metaData,
0673:                            MetadataDescription.SUPPORTS_OUTER_JOINS, null,
0674:                            null);
0675:                    insertMetadataInContainer(metaData,
0676:                            MetadataDescription.SUPPORTS_POSITIONED_DELETE,
0677:                            null, null);
0678:                    insertMetadataInContainer(metaData,
0679:                            MetadataDescription.SUPPORTS_POSITIONED_UPDATE,
0680:                            null, null);
0681:                    insertMetadataInContainer(
0682:                            metaData,
0683:                            MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
0684:                            new Class[] { Integer.TYPE, Integer.TYPE },
0685:                            new Object[] {
0686:                                    new Integer(ResultSet.TYPE_FORWARD_ONLY),
0687:                                    new Integer(ResultSet.CONCUR_READ_ONLY) });
0688:                    insertMetadataInContainer(
0689:                            metaData,
0690:                            MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
0691:                            new Class[] { Integer.TYPE, Integer.TYPE },
0692:                            new Object[] {
0693:                                    new Integer(ResultSet.TYPE_FORWARD_ONLY),
0694:                                    new Integer(ResultSet.CONCUR_UPDATABLE) });
0695:                    insertMetadataInContainer(
0696:                            metaData,
0697:                            MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
0698:                            new Class[] { Integer.TYPE, Integer.TYPE },
0699:                            new Object[] {
0700:                                    new Integer(
0701:                                            ResultSet.TYPE_SCROLL_INSENSITIVE),
0702:                                    new Integer(ResultSet.CONCUR_READ_ONLY) });
0703:                    insertMetadataInContainer(
0704:                            metaData,
0705:                            MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
0706:                            new Class[] { Integer.TYPE, Integer.TYPE },
0707:                            new Object[] {
0708:                                    new Integer(
0709:                                            ResultSet.TYPE_SCROLL_INSENSITIVE),
0710:                                    new Integer(ResultSet.CONCUR_UPDATABLE) });
0711:                    insertMetadataInContainer(
0712:                            metaData,
0713:                            MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
0714:                            new Class[] { Integer.TYPE, Integer.TYPE },
0715:                            new Object[] {
0716:                                    new Integer(ResultSet.TYPE_SCROLL_SENSITIVE),
0717:                                    new Integer(ResultSet.CONCUR_READ_ONLY) });
0718:                    insertMetadataInContainer(
0719:                            metaData,
0720:                            MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
0721:                            new Class[] { Integer.TYPE, Integer.TYPE },
0722:                            new Object[] {
0723:                                    new Integer(ResultSet.TYPE_SCROLL_SENSITIVE),
0724:                                    new Integer(ResultSet.CONCUR_UPDATABLE) });
0725:                    insertMetadataInContainer(
0726:                            metaData,
0727:                            MetadataDescription.SUPPORTS_RESULT_SET_HOLDABILITY,
0728:                            new Class[] { Integer.TYPE },
0729:                            new Object[] { new Integer(
0730:                                    ResultSet.HOLD_CURSORS_OVER_COMMIT) });
0731:                    insertMetadataInContainer(
0732:                            metaData,
0733:                            MetadataDescription.SUPPORTS_RESULT_SET_HOLDABILITY,
0734:                            new Class[] { Integer.TYPE },
0735:                            new Object[] { new Integer(
0736:                                    ResultSet.CLOSE_CURSORS_AT_COMMIT) });
0737:                    insertMetadataInContainer(metaData,
0738:                            MetadataDescription.SUPPORTS_RESULT_SET_TYPE,
0739:                            new Class[] { Integer.TYPE },
0740:                            new Object[] { new Integer(
0741:                                    ResultSet.TYPE_FORWARD_ONLY) });
0742:                    insertMetadataInContainer(metaData,
0743:                            MetadataDescription.SUPPORTS_RESULT_SET_TYPE,
0744:                            new Class[] { Integer.TYPE },
0745:                            new Object[] { new Integer(
0746:                                    ResultSet.TYPE_SCROLL_INSENSITIVE) });
0747:                    insertMetadataInContainer(metaData,
0748:                            MetadataDescription.SUPPORTS_RESULT_SET_TYPE,
0749:                            new Class[] { Integer.TYPE },
0750:                            new Object[] { new Integer(
0751:                                    ResultSet.TYPE_SCROLL_SENSITIVE) });
0752:                    insertMetadataInContainer(metaData,
0753:                            MetadataDescription.SUPPORTS_SAVEPOINTS, null, null);
0754:                    insertMetadataInContainer(
0755:                            metaData,
0756:                            MetadataDescription.SUPPORTS_SCHEMAS_IN_DATA_MANIPULATION,
0757:                            null, null);
0758:                    insertMetadataInContainer(
0759:                            metaData,
0760:                            MetadataDescription.SUPPORTS_SCHEMAS_IN_INDEX_DEFINITIONS,
0761:                            null, null);
0762:                    insertMetadataInContainer(
0763:                            metaData,
0764:                            MetadataDescription.SUPPORTS_SCHEMAS_IN_PRIVILEGE_DEFINITIONS,
0765:                            null, null);
0766:                    insertMetadataInContainer(
0767:                            metaData,
0768:                            MetadataDescription.SUPPORTS_SCHEMAS_IN_PROCEDURE_CALLS,
0769:                            null, null);
0770:                    insertMetadataInContainer(
0771:                            metaData,
0772:                            MetadataDescription.SUPPORTS_SCHEMAS_IN_TABLE_DEFINITIONS,
0773:                            null, null);
0774:                    insertMetadataInContainer(metaData,
0775:                            MetadataDescription.SUPPORTS_SELECT_FOR_UPDATE,
0776:                            null, null);
0777:                    insertMetadataInContainer(metaData,
0778:                            MetadataDescription.SUPPORTS_STATEMENT_POOLING,
0779:                            null, null);
0780:                    insertMetadataInContainer(metaData,
0781:                            MetadataDescription.SUPPORTS_STORED_PROCEDURES,
0782:                            null, null);
0783:                    insertMetadataInContainer(
0784:                            metaData,
0785:                            MetadataDescription.SUPPORTS_SUB_QUERIES_IN_COMPARISONS,
0786:                            null, null);
0787:                    insertMetadataInContainer(metaData,
0788:                            MetadataDescription.SUPPORTS_SUB_QUERIES_IN_EXISTS,
0789:                            null, null);
0790:                    insertMetadataInContainer(metaData,
0791:                            MetadataDescription.SUPPORTS_SUB_QUERIES_IN_INS,
0792:                            null, null);
0793:                    insertMetadataInContainer(
0794:                            metaData,
0795:                            MetadataDescription.SUPPORTS_SUB_QUERIES_IN_QUANTIFIEDS,
0796:                            null, null);
0797:                    insertMetadataInContainer(
0798:                            metaData,
0799:                            MetadataDescription.SUPPORTS_TABLE_CORRELATION_NAMES,
0800:                            null, null);
0801:                    insertMetadataInContainer(
0802:                            metaData,
0803:                            MetadataDescription.SUPPORTS_TRANSACTION_ISOLATION_LEVEL,
0804:                            new Class[] { Integer.TYPE },
0805:                            new Object[] { new Integer(
0806:                                    Connection.TRANSACTION_NONE) });
0807:                    insertMetadataInContainer(
0808:                            metaData,
0809:                            MetadataDescription.SUPPORTS_TRANSACTION_ISOLATION_LEVEL,
0810:                            new Class[] { Integer.TYPE },
0811:                            new Object[] { new Integer(
0812:                                    Connection.TRANSACTION_READ_COMMITTED) });
0813:                    insertMetadataInContainer(
0814:                            metaData,
0815:                            MetadataDescription.SUPPORTS_TRANSACTION_ISOLATION_LEVEL,
0816:                            new Class[] { Integer.TYPE },
0817:                            new Object[] { new Integer(
0818:                                    Connection.TRANSACTION_READ_UNCOMMITTED) });
0819:                    insertMetadataInContainer(
0820:                            metaData,
0821:                            MetadataDescription.SUPPORTS_TRANSACTION_ISOLATION_LEVEL,
0822:                            new Class[] { Integer.TYPE },
0823:                            new Object[] { new Integer(
0824:                                    Connection.TRANSACTION_REPEATABLE_READ) });
0825:                    insertMetadataInContainer(
0826:                            metaData,
0827:                            MetadataDescription.SUPPORTS_TRANSACTION_ISOLATION_LEVEL,
0828:                            new Class[] { Integer.TYPE },
0829:                            new Object[] { new Integer(
0830:                                    Connection.TRANSACTION_SERIALIZABLE) });
0831:                    insertMetadataInContainer(metaData,
0832:                            MetadataDescription.SUPPORTS_TRANSACTIONS, null,
0833:                            null);
0834:                    insertMetadataInContainer(metaData,
0835:                            MetadataDescription.SUPPORTS_UNION, null, null);
0836:                    insertMetadataInContainer(metaData,
0837:                            MetadataDescription.SUPPORTS_UNION_ALL, null, null);
0838:                    insertMetadataInContainer(metaData,
0839:                            MetadataDescription.UPDATES_ARE_DETECTED,
0840:                            new Class[] { Integer.TYPE },
0841:                            new Object[] { new Integer(
0842:                                    ResultSet.TYPE_FORWARD_ONLY) });
0843:                    insertMetadataInContainer(metaData,
0844:                            MetadataDescription.UPDATES_ARE_DETECTED,
0845:                            new Class[] { Integer.TYPE },
0846:                            new Object[] { new Integer(
0847:                                    ResultSet.TYPE_SCROLL_INSENSITIVE) });
0848:                    insertMetadataInContainer(metaData,
0849:                            MetadataDescription.UPDATES_ARE_DETECTED,
0850:                            new Class[] { Integer.TYPE },
0851:                            new Object[] { new Integer(
0852:                                    ResultSet.TYPE_SCROLL_SENSITIVE) });
0853:                    insertMetadataInContainer(metaData,
0854:                            MetadataDescription.USES_LOCAL_FILE_PER_TABLE,
0855:                            null, null);
0856:                    insertMetadataInContainer(metaData,
0857:                            MetadataDescription.USES_LOCAL_FILES, null, null);
0858:                    insertMetadataInContainer(metaData,
0859:                            MetadataDescription.IS_CATALOG_AT_START, null, null);
0860:
0861:                    overrideSequoiaSpecificFeatures();
0862:                } catch (Exception e) {
0863:                    if (e instanceof  RuntimeException)
0864:                        logger.error(Translate
0865:                                .get("backend.meta.runtime.error"), e);
0866:                    throw new SQLException(Translate.get(
0867:                            "backend.meta.failed.get.info", e));
0868:                }
0869:
0870:                finally {
0871:                    // IGOR's fix: do that after we are finished with all DB accesses
0872:                    if (pooledConnection != null)
0873:                        connectionManager.releaseConnectionInAutoCommit(null,
0874:                                pooledConnection);
0875:
0876:                    if (!wasInitialized)
0877:                        connectionManager.finalizeConnections();
0878:                }
0879:                return metadataContainer;
0880:            }
0881:
0882:            /**
0883:             * This method overrides metdata container information with Sequoia specific
0884:             * limitations.
0885:             */
0886:            private void overrideSequoiaSpecificFeatures() {
0887:                // Sequoia ResultSets are disconnected therefore they cannot detect deletes,
0888:                // inserts or udpates.
0889:                updateContainerInformation(
0890:                        MetadataDescription.DELETES_ARE_DETECTED,
0891:                        new Class[] { Integer.TYPE },
0892:                        new Object[] { new Integer(
0893:                                ResultSet.TYPE_SCROLL_INSENSITIVE) },
0894:                        Boolean.FALSE);
0895:                updateContainerInformation(
0896:                        MetadataDescription.DELETES_ARE_DETECTED,
0897:                        new Class[] { Integer.TYPE },
0898:                        new Object[] { new Integer(
0899:                                ResultSet.TYPE_SCROLL_SENSITIVE) },
0900:                        Boolean.FALSE);
0901:                updateContainerInformation(
0902:                        MetadataDescription.INSERTS_ARE_DETECTED,
0903:                        new Class[] { Integer.TYPE },
0904:                        new Object[] { new Integer(ResultSet.TYPE_FORWARD_ONLY) },
0905:                        Boolean.FALSE);
0906:                updateContainerInformation(
0907:                        MetadataDescription.INSERTS_ARE_DETECTED,
0908:                        new Class[] { Integer.TYPE },
0909:                        new Object[] { new Integer(
0910:                                ResultSet.TYPE_SCROLL_INSENSITIVE) },
0911:                        Boolean.FALSE);
0912:                updateContainerInformation(
0913:                        MetadataDescription.INSERTS_ARE_DETECTED,
0914:                        new Class[] { Integer.TYPE },
0915:                        new Object[] { new Integer(
0916:                                ResultSet.TYPE_SCROLL_SENSITIVE) },
0917:                        Boolean.FALSE);
0918:
0919:                // we don't implement Blob references (= LOCATORs), the driver
0920:                // delivers only copies that the application has to put back by itself.
0921:                updateContainerInformation(
0922:                        MetadataDescription.LOCATORS_UPDATE_COPY, null, null,
0923:                        Boolean.TRUE);
0924:
0925:                // Sequoia ResultSets are disconnected therefore they cannot detect deletes,
0926:                // inserts or udpates.
0927:                updateContainerInformation(
0928:                        MetadataDescription.OTHERS_DELETES_ARE_VISIBLE,
0929:                        new Class[] { Integer.TYPE },
0930:                        new Object[] { new Integer(ResultSet.TYPE_FORWARD_ONLY) },
0931:                        Boolean.FALSE);
0932:                updateContainerInformation(
0933:                        MetadataDescription.OTHERS_DELETES_ARE_VISIBLE,
0934:                        new Class[] { Integer.TYPE },
0935:                        new Object[] { new Integer(
0936:                                ResultSet.TYPE_SCROLL_INSENSITIVE) },
0937:                        Boolean.FALSE);
0938:                updateContainerInformation(
0939:                        MetadataDescription.OTHERS_DELETES_ARE_VISIBLE,
0940:                        new Class[] { Integer.TYPE },
0941:                        new Object[] { new Integer(
0942:                                ResultSet.TYPE_SCROLL_SENSITIVE) },
0943:                        Boolean.FALSE);
0944:                updateContainerInformation(
0945:                        MetadataDescription.OTHERS_INSERTS_ARE_VISIBLE,
0946:                        new Class[] { Integer.TYPE },
0947:                        new Object[] { new Integer(ResultSet.TYPE_FORWARD_ONLY) },
0948:                        Boolean.FALSE);
0949:                updateContainerInformation(
0950:                        MetadataDescription.OTHERS_INSERTS_ARE_VISIBLE,
0951:                        new Class[] { Integer.TYPE },
0952:                        new Object[] { new Integer(
0953:                                ResultSet.TYPE_SCROLL_INSENSITIVE) },
0954:                        Boolean.FALSE);
0955:                updateContainerInformation(
0956:                        MetadataDescription.OTHERS_INSERTS_ARE_VISIBLE,
0957:                        new Class[] { Integer.TYPE },
0958:                        new Object[] { new Integer(
0959:                                ResultSet.TYPE_SCROLL_SENSITIVE) },
0960:                        Boolean.FALSE);
0961:                updateContainerInformation(
0962:                        MetadataDescription.OTHERS_UPDATES_ARE_VISIBLE,
0963:                        new Class[] { Integer.TYPE },
0964:                        new Object[] { new Integer(ResultSet.TYPE_FORWARD_ONLY) },
0965:                        Boolean.FALSE);
0966:                updateContainerInformation(
0967:                        MetadataDescription.OTHERS_UPDATES_ARE_VISIBLE,
0968:                        new Class[] { Integer.TYPE },
0969:                        new Object[] { new Integer(
0970:                                ResultSet.TYPE_SCROLL_INSENSITIVE) },
0971:                        Boolean.FALSE);
0972:                updateContainerInformation(
0973:                        MetadataDescription.OTHERS_UPDATES_ARE_VISIBLE,
0974:                        new Class[] { Integer.TYPE },
0975:                        new Object[] { new Integer(
0976:                                ResultSet.TYPE_SCROLL_SENSITIVE) },
0977:                        Boolean.FALSE);
0978:
0979:                // Sequoia ResultSets are updated when making changes to the database using
0980:                // updatable ResultSets
0981:                updateContainerInformation(
0982:                        MetadataDescription.OWN_DELETES_ARE_VISIBLE,
0983:                        new Class[] { Integer.TYPE },
0984:                        new Object[] { new Integer(ResultSet.TYPE_FORWARD_ONLY) },
0985:                        Boolean.TRUE);
0986:                updateContainerInformation(
0987:                        MetadataDescription.OWN_DELETES_ARE_VISIBLE,
0988:                        new Class[] { Integer.TYPE },
0989:                        new Object[] { new Integer(
0990:                                ResultSet.TYPE_SCROLL_INSENSITIVE) },
0991:                        Boolean.TRUE);
0992:                updateContainerInformation(
0993:                        MetadataDescription.OWN_DELETES_ARE_VISIBLE,
0994:                        new Class[] { Integer.TYPE },
0995:                        new Object[] { new Integer(
0996:                                ResultSet.TYPE_SCROLL_SENSITIVE) },
0997:                        Boolean.TRUE);
0998:                updateContainerInformation(
0999:                        MetadataDescription.OWN_INSERTS_ARE_VISIBLE,
1000:                        new Class[] { Integer.TYPE },
1001:                        new Object[] { new Integer(ResultSet.TYPE_FORWARD_ONLY) },
1002:                        Boolean.TRUE);
1003:                updateContainerInformation(
1004:                        MetadataDescription.OWN_INSERTS_ARE_VISIBLE,
1005:                        new Class[] { Integer.TYPE },
1006:                        new Object[] { new Integer(
1007:                                ResultSet.TYPE_SCROLL_INSENSITIVE) },
1008:                        Boolean.TRUE);
1009:                updateContainerInformation(
1010:                        MetadataDescription.OWN_INSERTS_ARE_VISIBLE,
1011:                        new Class[] { Integer.TYPE },
1012:                        new Object[] { new Integer(
1013:                                ResultSet.TYPE_SCROLL_SENSITIVE) },
1014:                        Boolean.TRUE);
1015:                updateContainerInformation(
1016:                        MetadataDescription.OWN_UPDATES_ARE_VISIBLE,
1017:                        new Class[] { Integer.TYPE },
1018:                        new Object[] { new Integer(ResultSet.TYPE_FORWARD_ONLY) },
1019:                        Boolean.TRUE);
1020:                updateContainerInformation(
1021:                        MetadataDescription.OWN_UPDATES_ARE_VISIBLE,
1022:                        new Class[] { Integer.TYPE },
1023:                        new Object[] { new Integer(
1024:                                ResultSet.TYPE_SCROLL_INSENSITIVE) },
1025:                        Boolean.TRUE);
1026:                updateContainerInformation(
1027:                        MetadataDescription.OWN_UPDATES_ARE_VISIBLE,
1028:                        new Class[] { Integer.TYPE },
1029:                        new Object[] { new Integer(
1030:                                ResultSet.TYPE_SCROLL_SENSITIVE) },
1031:                        Boolean.TRUE);
1032:
1033:                // We emulate batch updates even if they are not handled optimally yet
1034:                updateContainerInformation(
1035:                        MetadataDescription.SUPPORTS_BATCH_UPDATES, null, null,
1036:                        Boolean.TRUE);
1037:
1038:                // It is currently not possible for a CallableStatement to return multiple
1039:                // ResultSets
1040:                updateContainerInformation(
1041:                        MetadataDescription.SUPPORTS_MULTIPLE_OPEN_RESULTS,
1042:                        null, null, Boolean.FALSE);
1043:
1044:                // A single call to execute can only return one ResultSet. It this suppose
1045:                // to be retrived after an executeBatch?
1046:                updateContainerInformation(
1047:                        MetadataDescription.SUPPORTS_MULTIPLE_RESULTSETS, null,
1048:                        null, Boolean.FALSE);
1049:
1050:                // We support open cursors and statements across commit/rollback. Note this
1051:                // only applies for the driver side since everything is closed right away on
1052:                // the controller side.
1053:                updateContainerInformation(
1054:                        MetadataDescription.SUPPORTS_OPEN_CURSORS_ACROSS_COMMIT,
1055:                        null, null, Boolean.TRUE);
1056:                updateContainerInformation(
1057:                        MetadataDescription.SUPPORTS_OPEN_CURSORS_ACROSS_ROLLBACK,
1058:                        null, null, Boolean.TRUE);
1059:                updateContainerInformation(
1060:                        MetadataDescription.SUPPORTS_OPEN_STATEMENTS_ACROSS_COMMIT,
1061:                        null, null, Boolean.TRUE);
1062:                updateContainerInformation(
1063:                        MetadataDescription.SUPPORTS_OPEN_STATEMENTS_ACROSS_ROLLBACK,
1064:                        null, null, Boolean.TRUE);
1065:
1066:                // We do not close ResultSets at commit time
1067:                updateContainerInformation(
1068:                        MetadataDescription.SUPPORTS_RESULT_SET_HOLDABILITY,
1069:                        new Class[] { Integer.TYPE },
1070:                        new Object[] { new Integer(
1071:                                ResultSet.HOLD_CURSORS_OVER_COMMIT) },
1072:                        Boolean.TRUE);
1073:                updateContainerInformation(
1074:                        MetadataDescription.SUPPORTS_RESULT_SET_HOLDABILITY,
1075:                        new Class[] { Integer.TYPE },
1076:                        new Object[] { new Integer(
1077:                                ResultSet.CLOSE_CURSORS_AT_COMMIT) },
1078:                        Boolean.FALSE);
1079:
1080:                // We do support CONCUR_READ_ONLY and CONCUR_UPDATABLE concurrency modes
1081:                // for all supported ResultSet types
1082:                updateContainerInformation(
1083:                        MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
1084:                        new Class[] { Integer.TYPE, Integer.TYPE },
1085:                        new Object[] {
1086:                                new Integer(ResultSet.TYPE_FORWARD_ONLY),
1087:                                new Integer(ResultSet.CONCUR_READ_ONLY) },
1088:                        Boolean.TRUE);
1089:                updateContainerInformation(
1090:                        MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
1091:                        new Class[] { Integer.TYPE, Integer.TYPE },
1092:                        new Object[] {
1093:                                new Integer(ResultSet.TYPE_FORWARD_ONLY),
1094:                                new Integer(ResultSet.CONCUR_UPDATABLE) },
1095:                        Boolean.TRUE);
1096:                updateContainerInformation(
1097:                        MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
1098:                        new Class[] { Integer.TYPE, Integer.TYPE },
1099:                        new Object[] {
1100:                                new Integer(ResultSet.TYPE_SCROLL_INSENSITIVE),
1101:                                new Integer(ResultSet.CONCUR_READ_ONLY) },
1102:                        Boolean.TRUE);
1103:                updateContainerInformation(
1104:                        MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
1105:                        new Class[] { Integer.TYPE, Integer.TYPE },
1106:                        new Object[] {
1107:                                new Integer(ResultSet.TYPE_SCROLL_INSENSITIVE),
1108:                                new Integer(ResultSet.CONCUR_UPDATABLE) },
1109:                        Boolean.TRUE);
1110:                updateContainerInformation(
1111:                        MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
1112:                        new Class[] { Integer.TYPE, Integer.TYPE },
1113:                        new Object[] {
1114:                                new Integer(ResultSet.TYPE_SCROLL_SENSITIVE),
1115:                                new Integer(ResultSet.CONCUR_READ_ONLY) },
1116:                        Boolean.FALSE);
1117:                updateContainerInformation(
1118:                        MetadataDescription.SUPPORTS_RESULT_SET_CONCURRENCY,
1119:                        new Class[] { Integer.TYPE, Integer.TYPE },
1120:                        new Object[] {
1121:                                new Integer(ResultSet.TYPE_SCROLL_SENSITIVE),
1122:                                new Integer(ResultSet.CONCUR_UPDATABLE) },
1123:                        Boolean.FALSE);
1124:
1125:                // We do support FORWARD_ONLY and SCROLL_INSENSITIVE ResultSets only
1126:                updateContainerInformation(
1127:                        MetadataDescription.SUPPORTS_RESULT_SET_TYPE,
1128:                        new Class[] { Integer.TYPE },
1129:                        new Object[] { new Integer(ResultSet.TYPE_FORWARD_ONLY) },
1130:                        Boolean.TRUE);
1131:                updateContainerInformation(
1132:                        MetadataDescription.SUPPORTS_RESULT_SET_TYPE,
1133:                        new Class[] { Integer.TYPE },
1134:                        new Object[] { new Integer(
1135:                                ResultSet.TYPE_SCROLL_INSENSITIVE) },
1136:                        Boolean.TRUE);
1137:                updateContainerInformation(
1138:                        MetadataDescription.SUPPORTS_RESULT_SET_TYPE,
1139:                        new Class[] { Integer.TYPE },
1140:                        new Object[] { new Integer(
1141:                                ResultSet.TYPE_SCROLL_SENSITIVE) },
1142:                        Boolean.FALSE);
1143:
1144:                // No support for Savepoints yet
1145:                updateContainerInformation(
1146:                        MetadataDescription.SUPPORTS_SAVEPOINTS, null, null,
1147:                        Boolean.FALSE);
1148:
1149:                // Updates are never detected since our ResultSets are disconnected
1150:                updateContainerInformation(
1151:                        MetadataDescription.UPDATES_ARE_DETECTED,
1152:                        new Class[] { Integer.TYPE },
1153:                        new Object[] { new Integer(ResultSet.TYPE_FORWARD_ONLY) },
1154:                        Boolean.FALSE);
1155:                updateContainerInformation(
1156:                        MetadataDescription.UPDATES_ARE_DETECTED,
1157:                        new Class[] { Integer.TYPE },
1158:                        new Object[] { new Integer(
1159:                                ResultSet.TYPE_SCROLL_INSENSITIVE) },
1160:                        Boolean.FALSE);
1161:                updateContainerInformation(
1162:                        MetadataDescription.UPDATES_ARE_DETECTED,
1163:                        new Class[] { Integer.TYPE },
1164:                        new Object[] { new Integer(
1165:                                ResultSet.TYPE_SCROLL_SENSITIVE) },
1166:                        Boolean.FALSE);
1167:            }
1168:
1169:            /**
1170:             * Gets the list of tables of a database and add them to the database schema.
1171:             * The caller must ensure that the parameters are not <code>null</code>.
1172:             * 
1173:             * @exception SQLException if an error occurs
1174:             */
1175:            public void createDatabaseSchemaDynamically() throws SQLException {
1176:                if (dynamicPrecision == DatabaseBackendSchemaConstants.DynamicPrecisionStatic)
1177:                    return;
1178:                PooledConnection pooledConnection = null;
1179:                boolean wasInitialized = connectionManager.isInitialized();
1180:
1181:                Connection connection;
1182:                try {
1183:                    if (!wasInitialized)
1184:                        connectionManager.initializeConnections();
1185:
1186:                    pooledConnection = connectionManager
1187:                            .retrieveConnectionInAutoCommit(null);
1188:                    if (pooledConnection == null) {
1189:                        String msg = Translate
1190:                                .get("backend.meta.connection.failed");
1191:                        logger.error(msg);
1192:                        throw new SQLException(msg);
1193:                    }
1194:                    connection = pooledConnection.getConnection();
1195:                    if (connection == null) {
1196:                        String msg = Translate
1197:                                .get("backend.meta.connection.failed");
1198:                        logger.error(msg);
1199:                        throw new SQLException(msg);
1200:                    }
1201:
1202:                    databaseSchema = new DatabaseSQLMetaData(logger,
1203:                            connection, dynamicPrecision, gatherSystemTables,
1204:                            schemaName).createDatabaseSchema(vdbName);
1205:                } catch (Exception e) {
1206:                    if (e instanceof  RuntimeException)
1207:                        logger.error(Translate
1208:                                .get("backend.meta.runtime.error"), e);
1209:                    throw new SQLException(Translate.get(
1210:                            "backend.meta.failed.get.info", e));
1211:                } finally {
1212:                    if (pooledConnection != null)
1213:                        connectionManager.releaseConnectionInAutoCommit(null,
1214:                                pooledConnection);
1215:
1216:                    if (!wasInitialized)
1217:                        connectionManager.finalizeConnections();
1218:
1219:                }
1220:            }
1221:
1222:            /**
1223:             * Returns the database schema. Returns <code>null</code> If an error has
1224:             * occured during the schema generation.
1225:             * <p>
1226:             * If the schema has not been previously computed,
1227:             * {@link #createDatabaseSchemaDynamically()}is called.
1228:             * 
1229:             * @return a <code>DatabaseSchema</code> value
1230:             * @exception SQLException if a problem occurs when creating the database
1231:             *              schema
1232:             * @see #createDatabaseSchemaDynamically
1233:             */
1234:            public DatabaseSchema getDatabaseSchema() throws SQLException {
1235:                if (databaseSchema == null)
1236:                    createDatabaseSchemaDynamically();
1237:                return databaseSchema;
1238:            }
1239:        }
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