List of usage examples for java.sql DatabaseMetaData supportsTransactions
boolean supportsTransactions() throws SQLException;
From source file:Main.java
public static void main(String[] a) throws Exception { Connection conn = getConnection(); DatabaseMetaData dbMetaData = conn.getMetaData(); System.out.println(dbMetaData.supportsTransactions()); conn.close();/* ww w . j a v a 2 s.co m*/ }
From source file:Main.java
public static void main(String[] argv) throws Exception { String driverName = "com.jnetdirect.jsql.JSQLDriver"; Class.forName(driverName);//from w w w. j av a2s. co m String serverName = "127.0.0.1"; String portNumber = "1433"; String mydatabase = serverName + ":" + portNumber; String url = "jdbc:JSQLConnect://" + mydatabase; String username = "username"; String password = "password"; Connection connection = DriverManager.getConnection(url, username, password); DatabaseMetaData dmd = connection.getMetaData(); if (dmd.supportsTransactions()) { // Transactions are supported } else { // Transactions are not supported } }
From source file:Main.java
public static void main(String[] args) throws Exception { Class.forName(DRIVER);//from w w w .j av a 2 s.c om Connection connection = DriverManager.getConnection(URL, USERNAME, PASSWORD); DatabaseMetaData metadata = connection.getMetaData(); boolean isSupportTransaction = metadata.supportsTransactions(); System.out.println("Support Transaction = " + isSupportTransaction); connection.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getHSQLConnection(); DatabaseMetaData md = conn.getMetaData(); System.out.println("supportsTransactions - " + md.supportsTransactions()); conn.close();/* w w w .j a v a2 s .c o m*/ }
From source file:TestSupportsTransactions.java
public static boolean supportsTransactions(Connection conn) throws SQLException { if (conn == null) { return false; }/*from w ww .java2 s . c o m*/ DatabaseMetaData dbMetaData = conn.getMetaData(); if (dbMetaData == null) { // metadata is not supported return false; } return dbMetaData.supportsTransactions(); }
From source file:com.amazon.carbonado.repo.jdbc.JDBCRepository.java
/** * @param name name to give repository instance * @param isMaster when true, storables in this repository must manage * version properties and sequence properties * @param dataSource provides JDBC database connections * @param catalog optional catalog to search for tables -- actual meaning * is database independent/*from w w w . j a va2s .co m*/ * @param schema optional schema to search for tables -- actual meaning is * is database independent * @param forceStoredSequence tells the repository to use a stored sequence * even if the database supports native sequences */ @SuppressWarnings("unchecked") JDBCRepository(AtomicReference<Repository> rootRef, String name, boolean isMaster, Iterable<TriggerFactory> triggerFactories, DataSource dataSource, boolean dataSourceClose, String catalog, String schema, Integer fetchSize, Map<String, Boolean> autoVersioningMap, Map<String, Boolean> suppressReloadMap, String sequenceSelectStatement, boolean forceStoredSequence, boolean primaryKeyCheckDisabled, SchemaResolver resolver) throws RepositoryException { super(name); if (dataSource == null) { throw new IllegalArgumentException("DataSource cannot be null"); } mIsMaster = isMaster; mTriggerFactories = triggerFactories; mRootRef = rootRef; mDataSource = dataSource; mDataSourceClose = dataSourceClose; mCatalog = catalog; mSchema = schema; mFetchSize = fetchSize; mPrimaryKeyCheckDisabled = primaryKeyCheckDisabled; mAutoVersioningMap = autoVersioningMap; mSuppressReloadMap = suppressReloadMap; mResolver = resolver; mOpenConnections = new IdentityHashMap<Connection, Object>(); mOpenConnectionsLock = new ReentrantLock(true); // Temporarily set to generic one, in case there's a problem during initialization. mExceptionTransformer = new JDBCExceptionTransformer(); mTxnMgr = new JDBCTransactionManager(this); getLog().info("Opening repository \"" + getName() + '"'); // Test connectivity and get some info on transaction isolation levels. Connection con = getConnection(); try { DatabaseMetaData md = con.getMetaData(); if (md == null || !md.supportsTransactions()) { throw new RepositoryException("Database does not support transactions"); } mDatabaseProductName = md.getDatabaseProductName(); boolean supportsSavepoints; try { supportsSavepoints = md.supportsSavepoints(); } catch (AbstractMethodError e) { supportsSavepoints = false; } if (supportsSavepoints) { con.setAutoCommit(false); // Some JDBC drivers (HSQLDB) lie about their savepoint support. try { con.setSavepoint(); } catch (SQLException e) { mLog.warn("JDBC driver for " + mDatabaseProductName + " reports supporting savepoints, but it " + "doesn't appear to work: " + e); supportsSavepoints = false; } finally { con.rollback(); con.setAutoCommit(true); } } mSupportsSavepoints = supportsSavepoints; mSupportsSelectForUpdate = md.supportsSelectForUpdate(); mSupportsScrollInsensitiveReadOnly = md.supportsResultSetConcurrency(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); mJdbcDefaultIsolationLevel = md.getDefaultTransactionIsolation(); mDefaultIsolationLevel = mapIsolationLevelFromJdbc(mJdbcDefaultIsolationLevel); mReadUncommittedLevel = selectIsolationLevel(md, IsolationLevel.READ_UNCOMMITTED); mReadCommittedLevel = selectIsolationLevel(md, IsolationLevel.READ_COMMITTED); mRepeatableReadLevel = selectIsolationLevel(md, IsolationLevel.REPEATABLE_READ); mSerializableLevel = selectIsolationLevel(md, IsolationLevel.SERIALIZABLE); } catch (SQLException e) { throw toRepositoryException(e); } finally { try { closeConnection(con); } catch (SQLException e) { // Don't care. } } mSupportStrategy = JDBCSupportStrategy.createStrategy(this); if (forceStoredSequence) { mSupportStrategy.setSequenceSelectStatement(null); } else if (sequenceSelectStatement != null && sequenceSelectStatement.length() > 0) { mSupportStrategy.setSequenceSelectStatement(sequenceSelectStatement); } mSupportStrategy.setForceStoredSequence(forceStoredSequence); mExceptionTransformer = mSupportStrategy.createExceptionTransformer(); getLog().info("Opened repository \"" + getName() + '"'); setAutoShutdownEnabled(true); }
From source file:org.acmsl.queryj.tools.handlers.DatabaseMetaDataLoggingHandler.java
/** * Handles given information.//from w w w. java 2 s.co m * @param metaData the database metadata. * @return <code>true</code> if the chain should be stopped. * @throws QueryJBuildException if the metadata cannot be logged. */ protected boolean handle(@NotNull final DatabaseMetaData metaData) throws QueryJBuildException { final boolean result = false; @Nullable Log t_Log = null; try { t_Log = UniqueLogFactory.getLog(DatabaseMetaDataLoggingHandler.class); if (t_Log != null) { t_Log.debug("Numeric functions:" + metaData.getNumericFunctions()); t_Log.debug("String functions:" + metaData.getStringFunctions()); t_Log.debug("System functions:" + metaData.getSystemFunctions()); t_Log.debug("Time functions:" + metaData.getTimeDateFunctions()); t_Log.debug("insertsAreDetected(TYPE_FORWARD_ONLY):" + metaData.insertsAreDetected(ResultSet.TYPE_FORWARD_ONLY)); t_Log.debug("insertsAreDetected(TYPE_SCROLL_INSENSITIVE):" + metaData.insertsAreDetected(ResultSet.TYPE_SCROLL_INSENSITIVE)); t_Log.debug("insertsAreDetected(TYPE_SCROLL_SENS):" + metaData.insertsAreDetected(ResultSet.TYPE_SCROLL_SENSITIVE)); t_Log.debug("isCatalogAtStart():" + metaData.isCatalogAtStart()); t_Log.debug("isReadOnly():" + metaData.isReadOnly()); /* * Fails for MySQL with a java.lang.AbstractMethodError * com.mysql.jdbc.jdbc2.DatabaseMetaData.locatorsUpdateCopy() t_Log.debug( "locatorsUpdateCopy():" + metaData.locatorsUpdateCopy()); */ t_Log.debug("nullPlusNonNullIsNull():" + metaData.nullPlusNonNullIsNull()); t_Log.debug("nullsAreSortedAtEnd():" + metaData.nullsAreSortedAtEnd()); t_Log.debug("nullsAreSortedAtStart():" + metaData.nullsAreSortedAtStart()); t_Log.debug("nullsAreSortedHigh():" + metaData.nullsAreSortedHigh()); t_Log.debug("nullsAreSortedLow():" + metaData.nullsAreSortedLow()); t_Log.debug("othersDeletesAreVisible(ResultSet.TYPE_FORWARD_ONLY):" + metaData.othersDeletesAreVisible(ResultSet.TYPE_FORWARD_ONLY)); t_Log.debug("othersDeletesAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE):" + metaData.othersDeletesAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE)); t_Log.debug("othersDeletesAreVisible(ResultSet.TYPE_SCROLL_SENS):" + metaData.othersDeletesAreVisible(ResultSet.TYPE_SCROLL_SENSITIVE)); t_Log.debug("othersInsertsAreVisible(ResultSet.TYPE_FORWARD_ONLY):" + metaData.othersInsertsAreVisible(ResultSet.TYPE_FORWARD_ONLY)); t_Log.debug("othersInsertsAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE):" + metaData.othersInsertsAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE)); t_Log.debug("othersInsertsAreVisible(ResultSet.TYPE_SCROLL_SENS):" + metaData.othersInsertsAreVisible(ResultSet.TYPE_SCROLL_SENSITIVE)); t_Log.debug("othersUpdatesAreVisible(ResultSet.TYPE_FORWARD_ONLY):" + metaData.othersUpdatesAreVisible(ResultSet.TYPE_FORWARD_ONLY)); t_Log.debug("othersUpdatesAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE):" + metaData.othersUpdatesAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE)); t_Log.debug("othersUpdatesAreVisible(ResultSet.TYPE_SCROLL_SENS):" + metaData.othersUpdatesAreVisible(ResultSet.TYPE_SCROLL_SENSITIVE)); t_Log.debug("ownDeletesAreVisible(ResultSet.TYPE_FORWARD_ONLY):" + metaData.ownDeletesAreVisible(ResultSet.TYPE_FORWARD_ONLY)); t_Log.debug("ownDeletesAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE):" + metaData.ownDeletesAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE)); t_Log.debug("ownDeletesAreVisible(ResultSet.TYPE_SCROLL_SENS):" + metaData.ownDeletesAreVisible(ResultSet.TYPE_SCROLL_SENSITIVE)); t_Log.debug("ownInsertsAreVisible(ResultSet.TYPE_FORWARD_ONLY):" + metaData.ownInsertsAreVisible(ResultSet.TYPE_FORWARD_ONLY)); t_Log.debug("ownInsertsAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE):" + metaData.ownInsertsAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE)); t_Log.debug("ownInsertsAreVisible(ResultSet.TYPE_SCROLL_SENS):" + metaData.ownInsertsAreVisible(ResultSet.TYPE_SCROLL_SENSITIVE)); t_Log.debug("ownUpdatesAreVisible(ResultSet.TYPE_FORWARD_ONLY):" + metaData.ownUpdatesAreVisible(ResultSet.TYPE_FORWARD_ONLY)); t_Log.debug("ownUpdatesAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE):" + metaData.ownUpdatesAreVisible(ResultSet.TYPE_SCROLL_INSENSITIVE)); t_Log.debug("ownUpdatesAreVisible(ResultSet.TYPE_SCROLL_SENS):" + metaData.ownUpdatesAreVisible(ResultSet.TYPE_SCROLL_SENSITIVE)); t_Log.debug("storesLowerCaseIdentifiers():" + metaData.storesLowerCaseIdentifiers()); t_Log.debug("storesLowerCaseQuotedIdentifiers():" + metaData.storesLowerCaseQuotedIdentifiers()); t_Log.debug("storesMixedCaseIdentifiers():" + metaData.storesMixedCaseIdentifiers()); t_Log.debug("storesMixedCaseQuotedIdentifiers():" + metaData.storesMixedCaseQuotedIdentifiers()); t_Log.debug("storesUpperCaseIdentifiers():" + metaData.storesUpperCaseIdentifiers()); t_Log.debug("storesUpperCaseQuotedIdentifiers():" + metaData.storesUpperCaseQuotedIdentifiers()); t_Log.debug("supportsAlterTableWithAddColumn():" + metaData.supportsAlterTableWithAddColumn()); t_Log.debug("supportsAlterTableWithDropColumn():" + metaData.supportsAlterTableWithDropColumn()); t_Log.debug("supportsANSI92EntryLevelSQL():" + metaData.supportsANSI92EntryLevelSQL()); t_Log.debug("supportsANSI92FullSQL():" + metaData.supportsANSI92FullSQL()); t_Log.debug("supportsANSI92IntermediateSQL():" + metaData.supportsANSI92IntermediateSQL()); t_Log.debug("supportsBatchUpdates():" + metaData.supportsBatchUpdates()); t_Log.debug( "supportsCatalogsInDataManipulation():" + metaData.supportsCatalogsInDataManipulation()); t_Log.debug( "supportsCatalogsInIndexDefinitions():" + metaData.supportsCatalogsInIndexDefinitions()); t_Log.debug("supportsCatalogsInPrivilegeDefinitions():" + metaData.supportsCatalogsInPrivilegeDefinitions()); t_Log.debug("supportsCatalogsInProcedureCalls():" + metaData.supportsCatalogsInProcedureCalls()); t_Log.debug( "supportsCatalogsInTableDefinitions():" + metaData.supportsCatalogsInTableDefinitions()); t_Log.debug("supportsColumnAliasing():" + metaData.supportsColumnAliasing()); t_Log.debug("supportsConvert():" + metaData.supportsConvert()); t_Log.debug("supportsCoreSQLGrammar():" + metaData.supportsCoreSQLGrammar()); t_Log.debug("supportsCorrelatedSubqueries():" + metaData.supportsCorrelatedSubqueries()); t_Log.debug("supportsDataDefinitionAndDataManipulationTransactions():" + metaData.supportsDataDefinitionAndDataManipulationTransactions()); t_Log.debug("supportsDataManipulationTransactionsOnly():" + metaData.supportsDataManipulationTransactionsOnly()); t_Log.debug("supportsDifferentTableCorrelationNames():" + metaData.supportsDifferentTableCorrelationNames()); t_Log.debug("supportsExpressionsInOrderBy():" + metaData.supportsExpressionsInOrderBy()); t_Log.debug("supportsExtendedSQLGrammar():" + metaData.supportsExtendedSQLGrammar()); t_Log.debug("supportsFullOuterJoins():" + metaData.supportsFullOuterJoins()); String t_strSupportsGetGeneratedKeys = Boolean.FALSE.toString(); try { t_strSupportsGetGeneratedKeys = "" + metaData.supportsGetGeneratedKeys(); } catch (@NotNull final SQLException sqlException) { t_strSupportsGetGeneratedKeys += sqlException.getMessage(); } t_Log.debug("supportsGetGeneratedKeys():" + t_strSupportsGetGeneratedKeys); t_Log.debug("supportsGroupBy():" + metaData.supportsGroupBy()); t_Log.debug("supportsGroupByBeyondSelect():" + metaData.supportsGroupByBeyondSelect()); t_Log.debug("supportsGroupByUnrelated():" + metaData.supportsGroupByUnrelated()); t_Log.debug("supportsIntegrityEnhancementFacility():" + metaData.supportsIntegrityEnhancementFacility()); t_Log.debug("supportsLikeEscapeClause():" + metaData.supportsLikeEscapeClause()); t_Log.debug("supportsLimitedOuterJoins():" + metaData.supportsLimitedOuterJoins()); t_Log.debug("supportsMinimumSQLGrammar():" + metaData.supportsMinimumSQLGrammar()); t_Log.debug("supportsMixedCaseIdentifiers():" + metaData.supportsMixedCaseIdentifiers()); t_Log.debug( "supportsMixedCaseQuotedIdentifiers():" + metaData.supportsMixedCaseQuotedIdentifiers()); /* * Fails in MySQL 3.23.53 with a java.lang.AbstractMethodError * com.mysql.jdbc.jdbc2.DatabaseMetaData.supportsMultipleOpenResults() t_Log.debug( "supportsMultipleOpenResults():" + metaData.supportsMultipleOpenResults()); */ t_Log.debug("supportsMultipleResultSets():" + metaData.supportsMultipleResultSets()); t_Log.debug("supportsMultipleTransactions():" + metaData.supportsMultipleTransactions()); /* * Fails in MySQL 3.23.53 with a java.lang.AbstractMethodError * com.mysql.jdbc.jdbc2.DatabaseMetaData.supportsNamedParameters() t_Log.debug( "supportsNamedParameters():" + metaData.supportsNamedParameters()); */ t_Log.debug("supportsNonNullableColumns():" + metaData.supportsNonNullableColumns()); t_Log.debug("supportsOpenCursorsAcrossCommit():" + metaData.supportsOpenCursorsAcrossCommit()); t_Log.debug("supportsOpenCursorsAcrossRollback():" + metaData.supportsOpenCursorsAcrossRollback()); t_Log.debug( "supportsOpenStatementsAcrossCommit():" + metaData.supportsOpenStatementsAcrossCommit()); t_Log.debug("supportsOpenStatementsAcrossRollback():" + metaData.supportsOpenStatementsAcrossRollback()); t_Log.debug("supportsOrderByUnrelated():" + metaData.supportsOrderByUnrelated()); t_Log.debug("supportsOuterJoins():" + metaData.supportsOuterJoins()); t_Log.debug("supportsPositionedDelete():" + metaData.supportsPositionedDelete()); t_Log.debug("supportsPositionedUpdate():" + metaData.supportsPositionedUpdate()); t_Log.debug("supportsResultSetConcurrency(TYPE_FORWARD_ONLY,CONCUR_READ_ONLY):" + metaData .supportsResultSetConcurrency(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY)); t_Log.debug("supportsResultSetConcurrency(TYPE_FORWARD_ONLY,CONCUR_UPDATABLE):" + metaData .supportsResultSetConcurrency(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE)); t_Log.debug("supportsResultSetConcurrency(TYPE_SCROLL_INSENSITIVE,CONCUR_READ_ONLY):" + metaData.supportsResultSetConcurrency(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY)); t_Log.debug("supportsResultSetConcurrency(TYPE_SCROLL_INSENSITIVE,CONCUR_UPDATABLE):" + metaData.supportsResultSetConcurrency(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE)); t_Log.debug("supportsResultSetConcurrency(TYPE_SCROLL_SENSITIVE,CONCUR_READ_ONLY):" + metaData .supportsResultSetConcurrency(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY)); t_Log.debug("supportsResultSetConcurrency(TYPE_SCROLL_SENSITIVE,CONCUR_UPDATABLE):" + metaData .supportsResultSetConcurrency(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE)); /* * Fails in MySQL 3.23.53 with a java.lang.AbstractMethodError * com.mysql.jdbc.jdbc2.DatabaseMetaData.supportsResultSetHoldability() t_Log.debug( "supportsResultSetHoldability(" + "HOLD_CURSORS_OVER_COMMIT):" + metaData.supportsResultSetHoldability( ResultSet.HOLD_CURSORS_OVER_COMMIT)); t_Log.debug( "supportsResultSetHoldability(" + "CLOSE_CURSORS_AT_COMMIT):" + metaData.supportsResultSetHoldability( ResultSet.CLOSE_CURSORS_AT_COMMIT)); */ t_Log.debug("supportsResultSetType(TYPE_FORWARD_ONLY):" + metaData.supportsResultSetType(ResultSet.TYPE_FORWARD_ONLY)); t_Log.debug("supportsResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE):" + metaData.supportsResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)); t_Log.debug("supportsResultSetType(TYPE_SCROLL_SENSITIVE):" + metaData.supportsResultSetType(ResultSet.TYPE_SCROLL_SENSITIVE)); /* * Fails in MySQL 3.23.53 with a java.lang.AbstractMethodError * com.mysql.jdbc.jdbc2.DatabaseMetaData.supportsSavePoints() t_Log.debug( "supportsSavepoints():" + metaData.supportsSavepoints()); */ t_Log.debug("supportsSchemasInDataManipulation():" + metaData.supportsSchemasInDataManipulation()); t_Log.debug("supportsSchemasInIndexDefinitions():" + metaData.supportsSchemasInIndexDefinitions()); t_Log.debug("supportsSchemasInPrivilegeDefinitions():" + metaData.supportsSchemasInPrivilegeDefinitions()); t_Log.debug("supportsSchemasInProcedureCalls():" + metaData.supportsSchemasInProcedureCalls()); t_Log.debug("supportsSchemasInTableDefinitions():" + metaData.supportsSchemasInTableDefinitions()); t_Log.debug("supportsSelectForUpdate():" + metaData.supportsSelectForUpdate()); /* * Fails in MySQL 3.23.53 with a java.lang.AbstractMethodError * com.mysql.jdbc.jdbc2.DatabaseMetaData.supportsStatementPooling() t_Log.debug( "supportsStatementPooling():" + metaData.supportsStatementPooling()); */ t_Log.debug("supportsStoredProcedures():" + metaData.supportsStoredProcedures()); t_Log.debug("supportsSubqueriesInComparisons():" + metaData.supportsSubqueriesInComparisons()); t_Log.debug("supportsSubqueriesInExists():" + metaData.supportsSubqueriesInExists()); t_Log.debug("supportsSubqueriesInIns():" + metaData.supportsSubqueriesInIns()); t_Log.debug("supportsSubqueriesInQuantifieds():" + metaData.supportsSubqueriesInQuantifieds()); t_Log.debug("supportsTableCorrelationNames():" + metaData.supportsTableCorrelationNames()); t_Log.debug("supportsTransactionIsolationLevel(TRANSACTION_NONE):" + metaData.supportsTransactionIsolationLevel(Connection.TRANSACTION_NONE)); t_Log.debug("supportsTransactionIsolationLevel(TRANSACTION_READ_COMMITTED):" + metaData.supportsTransactionIsolationLevel(Connection.TRANSACTION_READ_COMMITTED)); t_Log.debug("supportsTransactionIsolationLevel(TRANSACTION_READ_UNCOMMITTED):" + metaData.supportsTransactionIsolationLevel(Connection.TRANSACTION_READ_UNCOMMITTED)); t_Log.debug("supportsTransactionIsolationLevel(TRANSACTION_REPEATABLE_READ):" + metaData.supportsTransactionIsolationLevel(Connection.TRANSACTION_REPEATABLE_READ)); t_Log.debug("supportsTransactionIsolationLevel(TRANSACTION_SERIALIZABLE):" + metaData.supportsTransactionIsolationLevel(Connection.TRANSACTION_SERIALIZABLE)); t_Log.debug("supportsTransactions():" + metaData.supportsTransactions()); t_Log.debug("supportsUnion():" + metaData.supportsUnion()); t_Log.debug("supportsUnionAll():" + metaData.supportsUnionAll()); t_Log.debug("updatesAreDetected(TYPE_FORWARD_ONLY):" + metaData.updatesAreDetected(ResultSet.TYPE_FORWARD_ONLY)); t_Log.debug("updatesAreDetected(TYPE_SCROLL_INSENSITIVE):" + metaData.updatesAreDetected(ResultSet.TYPE_SCROLL_INSENSITIVE)); t_Log.debug("updatesAreDetected(" + "TYPE_SCROLL_SENS):" + metaData.updatesAreDetected(ResultSet.TYPE_SCROLL_SENSITIVE)); t_Log.debug("usesLocalFilePerTable():" + metaData.usesLocalFilePerTable()); t_Log.debug("usesLocalFiles():" + metaData.usesLocalFiles()); } } catch (@NotNull final SQLException sqlException) { t_Log.error("Database metadata request failed.", sqlException); } return result; }
From source file:org.apache.bigtop.itest.hive.TestJdbc.java
/** * Test simple DatabaseMetaData calls. getColumns is tested elsewhere, as we need to call * that on a valid table. Same with getFunctions. * * @throws SQLException/* ww w.java 2s . co m*/ */ @Test public void databaseMetaDataCalls() throws SQLException { DatabaseMetaData md = conn.getMetaData(); boolean boolrc = md.allTablesAreSelectable(); LOG.debug("All tables are selectable? " + boolrc); String strrc = md.getCatalogSeparator(); LOG.debug("Catalog separator " + strrc); strrc = md.getCatalogTerm(); LOG.debug("Catalog term " + strrc); ResultSet rs = md.getCatalogs(); while (rs.next()) { strrc = rs.getString(1); LOG.debug("Found catalog " + strrc); } Connection c = md.getConnection(); int intrc = md.getDatabaseMajorVersion(); LOG.debug("DB major version is " + intrc); intrc = md.getDatabaseMinorVersion(); LOG.debug("DB minor version is " + intrc); strrc = md.getDatabaseProductName(); LOG.debug("DB product name is " + strrc); strrc = md.getDatabaseProductVersion(); LOG.debug("DB product version is " + strrc); intrc = md.getDefaultTransactionIsolation(); LOG.debug("Default transaction isolation is " + intrc); intrc = md.getDriverMajorVersion(); LOG.debug("Driver major version is " + intrc); intrc = md.getDriverMinorVersion(); LOG.debug("Driver minor version is " + intrc); strrc = md.getDriverName(); LOG.debug("Driver name is " + strrc); strrc = md.getDriverVersion(); LOG.debug("Driver version is " + strrc); strrc = md.getExtraNameCharacters(); LOG.debug("Extra name characters is " + strrc); strrc = md.getIdentifierQuoteString(); LOG.debug("Identifier quote string is " + strrc); // In Hive 1.2 this always returns an empty RS rs = md.getImportedKeys("a", "b", "d"); // In Hive 1.2 this always returns an empty RS rs = md.getIndexInfo("a", "b", "d", true, true); intrc = md.getJDBCMajorVersion(); LOG.debug("JDBC major version is " + intrc); intrc = md.getJDBCMinorVersion(); LOG.debug("JDBC minor version is " + intrc); intrc = md.getMaxColumnNameLength(); LOG.debug("Maximum column name length is " + intrc); strrc = md.getNumericFunctions(); LOG.debug("Numeric functions are " + strrc); // In Hive 1.2 this always returns an empty RS rs = md.getPrimaryKeys("a", "b", "d"); // In Hive 1.2 this always returns an empty RS rs = md.getProcedureColumns("a", "b", "d", "e"); strrc = md.getProcedureTerm(); LOG.debug("Procedures are called " + strrc); // In Hive 1.2 this always returns an empty RS rs = md.getProcedures("a", "b", "d"); strrc = md.getSchemaTerm(); LOG.debug("Schemas are called " + strrc); rs = md.getSchemas(); while (rs.next()) { strrc = rs.getString(1); LOG.debug("Found schema " + strrc); } strrc = md.getSearchStringEscape(); LOG.debug("Search string escape is " + strrc); strrc = md.getStringFunctions(); LOG.debug("String functions are " + strrc); strrc = md.getSystemFunctions(); LOG.debug("System functions are " + strrc); rs = md.getTableTypes(); while (rs.next()) { strrc = rs.getString(1); LOG.debug("Found table type " + strrc); } strrc = md.getTimeDateFunctions(); LOG.debug("Time/date functions are " + strrc); rs = md.getTypeInfo(); while (rs.next()) { strrc = rs.getString(1); LOG.debug("Found type " + strrc); } // In Hive 1.2 this always returns an empty RS rs = md.getUDTs("a", "b", "d", null); boolrc = md.supportsAlterTableWithAddColumn(); LOG.debug("Supports alter table with add column? " + boolrc); boolrc = md.supportsAlterTableWithDropColumn(); LOG.debug("Supports alter table with drop column? " + boolrc); boolrc = md.supportsBatchUpdates(); LOG.debug("Supports batch updates? " + boolrc); boolrc = md.supportsCatalogsInDataManipulation(); LOG.debug("Supports catalogs in data manipulation? " + boolrc); boolrc = md.supportsCatalogsInIndexDefinitions(); LOG.debug("Supports catalogs in index definition? " + boolrc); boolrc = md.supportsCatalogsInPrivilegeDefinitions(); LOG.debug("Supports catalogs in privilege definition? " + boolrc); boolrc = md.supportsCatalogsInProcedureCalls(); LOG.debug("Supports catalogs in procedure calls? " + boolrc); boolrc = md.supportsCatalogsInTableDefinitions(); LOG.debug("Supports catalogs in table definition? " + boolrc); boolrc = md.supportsColumnAliasing(); LOG.debug("Supports column aliasing? " + boolrc); boolrc = md.supportsFullOuterJoins(); LOG.debug("Supports full outer joins? " + boolrc); boolrc = md.supportsGroupBy(); LOG.debug("Supports group by? " + boolrc); boolrc = md.supportsLimitedOuterJoins(); LOG.debug("Supports limited outer joins? " + boolrc); boolrc = md.supportsMultipleResultSets(); LOG.debug("Supports limited outer joins? " + boolrc); boolrc = md.supportsNonNullableColumns(); LOG.debug("Supports non-nullable columns? " + boolrc); boolrc = md.supportsOuterJoins(); LOG.debug("Supports outer joins? " + boolrc); boolrc = md.supportsPositionedDelete(); LOG.debug("Supports positioned delete? " + boolrc); boolrc = md.supportsPositionedUpdate(); LOG.debug("Supports positioned update? " + boolrc); boolrc = md.supportsResultSetHoldability(ResultSet.HOLD_CURSORS_OVER_COMMIT); LOG.debug("Supports result set holdability? " + boolrc); boolrc = md.supportsResultSetType(ResultSet.HOLD_CURSORS_OVER_COMMIT); LOG.debug("Supports result set type? " + boolrc); boolrc = md.supportsSavepoints(); LOG.debug("Supports savepoints? " + boolrc); boolrc = md.supportsSchemasInDataManipulation(); LOG.debug("Supports schemas in data manipulation? " + boolrc); boolrc = md.supportsSchemasInIndexDefinitions(); LOG.debug("Supports schemas in index definitions? " + boolrc); boolrc = md.supportsSchemasInPrivilegeDefinitions(); LOG.debug("Supports schemas in privilege definitions? " + boolrc); boolrc = md.supportsSchemasInProcedureCalls(); LOG.debug("Supports schemas in procedure calls? " + boolrc); boolrc = md.supportsSchemasInTableDefinitions(); LOG.debug("Supports schemas in table definitions? " + boolrc); boolrc = md.supportsSelectForUpdate(); LOG.debug("Supports select for update? " + boolrc); boolrc = md.supportsStoredProcedures(); LOG.debug("Supports stored procedures? " + boolrc); boolrc = md.supportsTransactions(); LOG.debug("Supports transactions? " + boolrc); boolrc = md.supportsUnion(); LOG.debug("Supports union? " + boolrc); boolrc = md.supportsUnionAll(); LOG.debug("Supports union all? " + boolrc); }
From source file:org.apache.openjpa.jdbc.sql.DBDictionaryFactory.java
/** * Return a string containing all the property values of the given * database metadata./* w w w. j av a 2 s . com*/ */ public static String toString(DatabaseMetaData meta) throws SQLException { String lineSep = J2DoPrivHelper.getLineSeparator(); StringBuilder buf = new StringBuilder(4096); try { buf.append("catalogSeparator: ").append(meta.getCatalogSeparator()).append(lineSep) .append("catalogTerm: ").append(meta.getCatalogTerm()).append(lineSep) .append("databaseProductName: ").append(meta.getDatabaseProductName()).append(lineSep) .append("databaseProductVersion: ").append(meta.getDatabaseProductVersion()).append(lineSep) .append("driverName: ").append(meta.getDriverName()).append(lineSep).append("driverVersion: ") .append(meta.getDriverVersion()).append(lineSep).append("extraNameCharacters: ") .append(meta.getExtraNameCharacters()).append(lineSep).append("identifierQuoteString: ") .append(meta.getIdentifierQuoteString()).append(lineSep).append("numericFunctions: ") .append(meta.getNumericFunctions()).append(lineSep).append("procedureTerm: ") .append(meta.getProcedureTerm()).append(lineSep).append("schemaTerm: ") .append(meta.getSchemaTerm()).append(lineSep).append("searchStringEscape: ") .append(meta.getSearchStringEscape()).append(lineSep).append("sqlKeywords: ") .append(meta.getSQLKeywords()).append(lineSep).append("stringFunctions: ") .append(meta.getStringFunctions()).append(lineSep).append("systemFunctions: ") .append(meta.getSystemFunctions()).append(lineSep).append("timeDateFunctions: ") .append(meta.getTimeDateFunctions()).append(lineSep).append("url: ").append(meta.getURL()) .append(lineSep).append("userName: ").append(meta.getUserName()).append(lineSep) .append("defaultTransactionIsolation: ").append(meta.getDefaultTransactionIsolation()) .append(lineSep).append("driverMajorVersion: ").append(meta.getDriverMajorVersion()) .append(lineSep).append("driverMinorVersion: ").append(meta.getDriverMinorVersion()) .append(lineSep).append("maxBinaryLiteralLength: ").append(meta.getMaxBinaryLiteralLength()) .append(lineSep).append("maxCatalogNameLength: ").append(meta.getMaxCatalogNameLength()) .append(lineSep).append("maxCharLiteralLength: ").append(meta.getMaxCharLiteralLength()) .append(lineSep).append("maxColumnNameLength: ").append(meta.getMaxColumnNameLength()) .append(lineSep).append("maxColumnsInGroupBy: ").append(meta.getMaxColumnsInGroupBy()) .append(lineSep).append("maxColumnsInIndex: ").append(meta.getMaxColumnsInIndex()) .append(lineSep).append("maxColumnsInOrderBy: ").append(meta.getMaxColumnsInOrderBy()) .append(lineSep).append("maxColumnsInSelect: ").append(meta.getMaxColumnsInSelect()) .append(lineSep).append("maxColumnsInTable: ").append(meta.getMaxColumnsInTable()) .append(lineSep).append("maxConnections: ").append(meta.getMaxConnections()).append(lineSep) .append("maxCursorNameLength: ").append(meta.getMaxCursorNameLength()).append(lineSep) .append("maxIndexLength: ").append(meta.getMaxIndexLength()).append(lineSep) .append("maxProcedureNameLength: ").append(meta.getMaxProcedureNameLength()).append(lineSep) .append("maxRowSize: ").append(meta.getMaxRowSize()).append(lineSep) .append("maxSchemaNameLength: ").append(meta.getMaxSchemaNameLength()).append(lineSep) .append("maxStatementLength: ").append(meta.getMaxStatementLength()).append(lineSep) .append("maxStatements: ").append(meta.getMaxStatements()).append(lineSep) .append("maxTableNameLength: ").append(meta.getMaxTableNameLength()).append(lineSep) .append("maxTablesInSelect: ").append(meta.getMaxTablesInSelect()).append(lineSep) .append("maxUserNameLength: ").append(meta.getMaxUserNameLength()).append(lineSep) .append("isCatalogAtStart: ").append(meta.isCatalogAtStart()).append(lineSep) .append("isReadOnly: ").append(meta.isReadOnly()).append(lineSep) .append("nullPlusNonNullIsNull: ").append(meta.nullPlusNonNullIsNull()).append(lineSep) .append("nullsAreSortedAtEnd: ").append(meta.nullsAreSortedAtEnd()).append(lineSep) .append("nullsAreSortedAtStart: ").append(meta.nullsAreSortedAtStart()).append(lineSep) .append("nullsAreSortedHigh: ").append(meta.nullsAreSortedHigh()).append(lineSep) .append("nullsAreSortedLow: ").append(meta.nullsAreSortedLow()).append(lineSep) .append("storesLowerCaseIdentifiers: ").append(meta.storesLowerCaseIdentifiers()) .append(lineSep).append("storesLowerCaseQuotedIdentifiers: ") .append(meta.storesLowerCaseQuotedIdentifiers()).append(lineSep) .append("storesMixedCaseIdentifiers: ").append(meta.storesMixedCaseIdentifiers()) .append(lineSep).append("storesMixedCaseQuotedIdentifiers: ") .append(meta.storesMixedCaseQuotedIdentifiers()).append(lineSep) .append("storesUpperCaseIdentifiers: ").append(meta.storesUpperCaseIdentifiers()) .append(lineSep).append("storesUpperCaseQuotedIdentifiers: ") .append(meta.storesUpperCaseQuotedIdentifiers()).append(lineSep) .append("supportsAlterTableWithAddColumn: ").append(meta.supportsAlterTableWithAddColumn()) .append(lineSep).append("supportsAlterTableWithDropColumn: ") .append(meta.supportsAlterTableWithDropColumn()).append(lineSep) .append("supportsANSI92EntryLevelSQL: ").append(meta.supportsANSI92EntryLevelSQL()) .append(lineSep).append("supportsANSI92FullSQL: ").append(meta.supportsANSI92FullSQL()) .append(lineSep).append("supportsANSI92IntermediateSQL: ") .append(meta.supportsANSI92IntermediateSQL()).append(lineSep) .append("supportsCatalogsInDataManipulation: ") .append(meta.supportsCatalogsInDataManipulation()).append(lineSep) .append("supportsCatalogsInIndexDefinitions: ") .append(meta.supportsCatalogsInIndexDefinitions()).append(lineSep) .append("supportsCatalogsInPrivilegeDefinitions: ") .append(meta.supportsCatalogsInPrivilegeDefinitions()).append(lineSep) .append("supportsCatalogsInProcedureCalls: ").append(meta.supportsCatalogsInProcedureCalls()) .append(lineSep).append("supportsCatalogsInTableDefinitions: ") .append(meta.supportsCatalogsInTableDefinitions()).append(lineSep) .append("supportsColumnAliasing: ").append(meta.supportsColumnAliasing()).append(lineSep) .append("supportsConvert: ").append(meta.supportsConvert()).append(lineSep) .append("supportsCoreSQLGrammar: ").append(meta.supportsCoreSQLGrammar()).append(lineSep) .append("supportsCorrelatedSubqueries: ").append(meta.supportsCorrelatedSubqueries()) .append(lineSep).append("supportsDataDefinitionAndDataManipulationTransactions: ") .append(meta.supportsDataDefinitionAndDataManipulationTransactions()).append(lineSep) .append("supportsDataManipulationTransactionsOnly: ") .append(meta.supportsDataManipulationTransactionsOnly()).append(lineSep) .append("supportsDifferentTableCorrelationNames: ") .append(meta.supportsDifferentTableCorrelationNames()).append(lineSep) .append("supportsExpressionsInOrderBy: ").append(meta.supportsExpressionsInOrderBy()) .append(lineSep).append("supportsExtendedSQLGrammar: ") .append(meta.supportsExtendedSQLGrammar()).append(lineSep).append("supportsFullOuterJoins: ") .append(meta.supportsFullOuterJoins()).append(lineSep).append("supportsGroupBy: ") .append(meta.supportsGroupBy()).append(lineSep).append("supportsGroupByBeyondSelect: ") .append(meta.supportsGroupByBeyondSelect()).append(lineSep).append("supportsGroupByUnrelated: ") .append(meta.supportsGroupByUnrelated()).append(lineSep) .append("supportsIntegrityEnhancementFacility: ") .append(meta.supportsIntegrityEnhancementFacility()).append(lineSep) .append("supportsLikeEscapeClause: ").append(meta.supportsLikeEscapeClause()).append(lineSep) .append("supportsLimitedOuterJoins: ").append(meta.supportsLimitedOuterJoins()).append(lineSep) .append("supportsMinimumSQLGrammar: ").append(meta.supportsMinimumSQLGrammar()).append(lineSep) .append("supportsMixedCaseIdentifiers: ").append(meta.supportsMixedCaseIdentifiers()) .append(lineSep).append("supportsMixedCaseQuotedIdentifiers: ") .append(meta.supportsMixedCaseQuotedIdentifiers()).append(lineSep) .append("supportsMultipleResultSets: ").append(meta.supportsMultipleResultSets()) .append(lineSep).append("supportsMultipleTransactions: ") .append(meta.supportsMultipleTransactions()).append(lineSep) .append("supportsNonNullableColumns: ").append(meta.supportsNonNullableColumns()) .append(lineSep).append("supportsOpenCursorsAcrossCommit: ") .append(meta.supportsOpenCursorsAcrossCommit()).append(lineSep) .append("supportsOpenCursorsAcrossRollback: ").append(meta.supportsOpenCursorsAcrossRollback()) .append(lineSep).append("supportsOpenStatementsAcrossCommit: ") .append(meta.supportsOpenStatementsAcrossCommit()).append(lineSep) .append("supportsOpenStatementsAcrossRollback: ") .append(meta.supportsOpenStatementsAcrossRollback()).append(lineSep) .append("supportsOrderByUnrelated: ").append(meta.supportsOrderByUnrelated()).append(lineSep) .append("supportsOuterJoins: ").append(meta.supportsOuterJoins()).append(lineSep) .append("supportsPositionedDelete: ").append(meta.supportsPositionedDelete()).append(lineSep) .append("supportsPositionedUpdate: ").append(meta.supportsPositionedUpdate()).append(lineSep) .append("supportsSchemasInDataManipulation: ").append(meta.supportsSchemasInDataManipulation()) .append(lineSep).append("supportsSchemasInIndexDefinitions: ") .append(meta.supportsSchemasInIndexDefinitions()).append(lineSep) .append("supportsSchemasInPrivilegeDefinitions: ") .append(meta.supportsSchemasInPrivilegeDefinitions()).append(lineSep) .append("supportsSchemasInProcedureCalls: ").append(meta.supportsSchemasInProcedureCalls()) .append(lineSep).append("supportsSchemasInTableDefinitions: ") .append(meta.supportsSchemasInTableDefinitions()).append(lineSep) .append("supportsSelectForUpdate: ").append(meta.supportsSelectForUpdate()).append(lineSep) .append("supportsStoredProcedures: ").append(meta.supportsStoredProcedures()).append(lineSep) .append("supportsSubqueriesInComparisons: ").append(meta.supportsSubqueriesInComparisons()) .append(lineSep).append("supportsSubqueriesInExists: ") .append(meta.supportsSubqueriesInExists()).append(lineSep).append("supportsSubqueriesInIns: ") .append(meta.supportsSubqueriesInIns()).append(lineSep) .append("supportsSubqueriesInQuantifieds: ").append(meta.supportsSubqueriesInQuantifieds()) .append(lineSep).append("supportsTableCorrelationNames: ") .append(meta.supportsTableCorrelationNames()).append(lineSep).append("supportsTransactions: ") .append(meta.supportsTransactions()).append(lineSep).append("supportsUnion: ") .append(meta.supportsUnion()).append(lineSep).append("supportsUnionAll: ") .append(meta.supportsUnionAll()).append(lineSep).append("usesLocalFilePerTable: ") .append(meta.usesLocalFilePerTable()).append(lineSep).append("usesLocalFiles: ") .append(meta.usesLocalFiles()).append(lineSep).append("allProceduresAreCallable: ") .append(meta.allProceduresAreCallable()).append(lineSep).append("allTablesAreSelectable: ") .append(meta.allTablesAreSelectable()).append(lineSep) .append("dataDefinitionCausesTransactionCommit: ") .append(meta.dataDefinitionCausesTransactionCommit()).append(lineSep) .append("dataDefinitionIgnoredInTransactions: ") .append(meta.dataDefinitionIgnoredInTransactions()).append(lineSep) .append("doesMaxRowSizeIncludeBlobs: ").append(meta.doesMaxRowSizeIncludeBlobs()) .append(lineSep).append("supportsBatchUpdates: ").append(meta.supportsBatchUpdates()); } catch (Throwable t) { // maybe abstract method error for jdbc 3 metadata method, or // other error buf.append(lineSep).append("Caught throwable: ").append(t); } return buf.toString(); }
From source file:org.apache.wiki.auth.user.JDBCUserDatabase.java
/** * @see org.apache.wiki.auth.user.UserDatabase#initialize(org.apache.wiki.WikiEngine, * java.util.Properties)// ww w.ja v a2s . c o m */ public void initialize(WikiEngine engine, Properties props) throws NoRequiredPropertyException, WikiSecurityException { String userTable; String role; String roleTable; String jndiName = props.getProperty(PROP_DB_DATASOURCE, DEFAULT_DB_JNDI_NAME); try { Context initCtx = new InitialContext(); Context ctx = (Context) initCtx.lookup("java:comp/env"); m_ds = (DataSource) ctx.lookup(jndiName); // Prepare the SQL selectors userTable = props.getProperty(PROP_DB_TABLE, DEFAULT_DB_TABLE); m_email = props.getProperty(PROP_DB_EMAIL, DEFAULT_DB_EMAIL); m_fullName = props.getProperty(PROP_DB_FULL_NAME, DEFAULT_DB_FULL_NAME); m_lockExpiry = props.getProperty(PROP_DB_LOCK_EXPIRY, DEFAULT_DB_LOCK_EXPIRY); m_loginName = props.getProperty(PROP_DB_LOGIN_NAME, DEFAULT_DB_LOGIN_NAME); m_password = props.getProperty(PROP_DB_PASSWORD, DEFAULT_DB_PASSWORD); m_uid = props.getProperty(PROP_DB_UID, DEFAULT_DB_UID); m_wikiName = props.getProperty(PROP_DB_WIKI_NAME, DEFAULT_DB_WIKI_NAME); m_created = props.getProperty(PROP_DB_CREATED, DEFAULT_DB_CREATED); m_modified = props.getProperty(PROP_DB_MODIFIED, DEFAULT_DB_MODIFIED); m_attributes = props.getProperty(PROP_DB_ATTRIBUTES, DEFAULT_DB_ATTRIBUTES); m_findAll = "SELECT * FROM " + userTable; m_findByEmail = "SELECT * FROM " + userTable + " WHERE " + m_email + "=?"; m_findByFullName = "SELECT * FROM " + userTable + " WHERE " + m_fullName + "=?"; m_findByLoginName = "SELECT * FROM " + userTable + " WHERE " + m_loginName + "=?"; m_findByUid = "SELECT * FROM " + userTable + " WHERE " + m_uid + "=?"; m_findByWikiName = "SELECT * FROM " + userTable + " WHERE " + m_wikiName + "=?"; // The user insert SQL prepared statement m_insertProfile = "INSERT INTO " + userTable + " (" + m_uid + "," + m_email + "," + m_fullName + "," + m_password + "," + m_wikiName + "," + m_modified + "," + m_loginName + "," + m_attributes + "," + m_created + ") VALUES (?,?,?,?,?,?,?,?,?)"; // The user update SQL prepared statement m_updateProfile = "UPDATE " + userTable + " SET " + m_uid + "=?," + m_email + "=?," + m_fullName + "=?," + m_password + "=?," + m_wikiName + "=?," + m_modified + "=?," + m_loginName + "=?," + m_attributes + "=?," + m_lockExpiry + "=? " + "WHERE " + m_loginName + "=?"; // Prepare the role insert SQL roleTable = props.getProperty(PROP_DB_ROLE_TABLE, DEFAULT_DB_ROLE_TABLE); role = props.getProperty(PROP_DB_ROLE, DEFAULT_DB_ROLE); m_insertRole = "INSERT INTO " + roleTable + " (" + m_loginName + "," + role + ") VALUES (?,?)"; m_findRoles = "SELECT * FROM " + roleTable + " WHERE " + m_loginName + "=?"; // Prepare the user delete SQL m_deleteUserByLoginName = "DELETE FROM " + userTable + " WHERE " + m_loginName + "=?"; // Prepare the role delete SQL m_deleteRoleByLoginName = "DELETE FROM " + roleTable + " WHERE " + m_loginName + "=?"; // Prepare the rename user/roles SQL m_renameProfile = "UPDATE " + userTable + " SET " + m_loginName + "=?," + m_modified + "=? WHERE " + m_loginName + "=?"; m_renameRoles = "UPDATE " + roleTable + " SET " + m_loginName + "=? WHERE " + m_loginName + "=?"; } catch (NamingException e) { log.error("JDBCUserDatabase initialization error: " + e.getMessage()); throw new NoRequiredPropertyException(PROP_DB_DATASOURCE, "JDBCUserDatabase initialization error: " + e.getMessage()); } // Test connection by doing a quickie select Connection conn = null; try { conn = m_ds.getConnection(); PreparedStatement ps = conn.prepareStatement(m_findAll); ps.close(); } catch (SQLException e) { log.error("DB connectivity error: " + e.getMessage()); throw new WikiSecurityException("DB connectivity error: " + e.getMessage(), e); } finally { try { if (conn != null) conn.close(); } catch (Exception e) { } } log.info("JDBCUserDatabase initialized from JNDI DataSource: " + jndiName); // Determine if the datasource supports commits try { conn = m_ds.getConnection(); DatabaseMetaData dmd = conn.getMetaData(); if (dmd.supportsTransactions()) { m_supportsCommits = true; conn.setAutoCommit(false); log.info("JDBCUserDatabase supports transactions. Good; we will use them."); } } catch (SQLException e) { log.warn("JDBCUserDatabase warning: user database doesn't seem to support transactions. Reason: " + e.getMessage()); } finally { try { if (conn != null) conn.close(); } catch (Exception e) { } } }