DatabaseMetaDataWrapper.java

package com.taobao.tddl.atom.jdbc;

import java.sql.Clob;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
import java.sql.RowIdLifetime;
import java.sql.SQLException;

public class DatabaseMetaDataWrapper implements DatabaseMetaData {

    private final DatabaseMetaData targetMetaData;
    private final Connection       targetConnection;

    public DatabaseMetaDataWrapper(DatabaseMetaData targetMetaData, Connection targetConnection){
        super();
        this.targetMetaData = targetMetaData;
        this.targetConnection = targetConnection;
    }

    public boolean allProceduresAreCallable() throws SQLException {
        return this.targetMetaData.allProceduresAreCallable();
    }

    public boolean allTablesAreSelectable() throws SQLException {
        return this.targetMetaData.allTablesAreSelectable();
    }

    public boolean dataDefinitionCausesTransactionCommit() throws SQLException {
        return this.targetMetaData.dataDefinitionCausesTransactionCommit();
    }

    public boolean dataDefinitionIgnoredInTransactions() throws SQLException {
        return this.targetMetaData.dataDefinitionIgnoredInTransactions();
    }

    public boolean deletesAreDetected(int type) throws SQLException {
        return this.targetMetaData.deletesAreDetected(type);
    }

    public boolean doesMaxRowSizeIncludeBlobs() throws SQLException {
        return this.targetMetaData.doesMaxRowSizeIncludeBlobs();
    }

    public ResultSet getAttributes(String catalog, String schemaPattern, String typeNamePattern,
                                   String attributeNamePattern) throws SQLException {
        // 这里connection 是null吧，调用不到的感觉
        return new TResultSetWrapper(null, this.targetMetaData.getAttributes(catalog,
            schemaPattern,
            typeNamePattern,
            attributeNamePattern));
    }

    public ResultSet getBestRowIdentifier(String catalog, String schema, String table, int scope, boolean nullable)
                                                                                                                   throws SQLException {
        return this.targetMetaData.getBestRowIdentifier(catalog, schema, table, scope, nullable);
    }

    public String getCatalogSeparator() throws SQLException {
        return this.targetMetaData.getCatalogSeparator();
    }

    public String getCatalogTerm() throws SQLException {
        return this.targetMetaData.getCatalogTerm();
    }

    public ResultSet getCatalogs() throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getCatalogs());
    }

    public ResultSet getColumnPrivileges(String catalog, String schema, String table, String columnNamePattern)
                                                                                                               throws SQLException {
        return new TResultSetWrapper(null,
            targetMetaData.getColumnPrivileges(catalog, schema, table, columnNamePattern));
    }

    public ResultSet getColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern)
                                                                                                                        throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getColumns(catalog,
            schemaPattern,
            tableNamePattern,
            columnNamePattern));
    }

    public Connection getConnection() throws SQLException {
        return targetConnection;
    }

    public ResultSet getCrossReference(String primaryCatalog, String primarySchema, String primaryTable,
                                       String foreignCatalog, String foreignSchema, String foreignTable)
                                                                                                        throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getCrossReference(primaryCatalog,
            primarySchema,
            primaryTable,
            foreignCatalog,
            foreignSchema,
            foreignTable));
    }

    public int getDatabaseMajorVersion() throws SQLException {
        return this.targetMetaData.getDatabaseMajorVersion();
    }

    public int getDatabaseMinorVersion() throws SQLException {
        return this.targetMetaData.getDatabaseMinorVersion();
    }

    public String getDatabaseProductName() throws SQLException {
        return this.targetMetaData.getDatabaseProductName();
    }

    public String getDatabaseProductVersion() throws SQLException {
        return this.targetMetaData.getDatabaseProductVersion();
    }

    public int getDefaultTransactionIsolation() throws SQLException {
        return this.targetMetaData.getDefaultTransactionIsolation();
    }

    public int getDriverMajorVersion() {
        return this.targetMetaData.getDriverMajorVersion();
    }

    public int getDriverMinorVersion() {
        return this.targetMetaData.getDriverMinorVersion();
    }

    public String getDriverName() throws SQLException {
        return this.targetMetaData.getDriverName();
    }

    public String getDriverVersion() throws SQLException {
        return this.targetMetaData.getDriverVersion();
    }

    public ResultSet getExportedKeys(String catalog, String schema, String table) throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getExportedKeys(catalog, schema, table));
    }

    public String getExtraNameCharacters() throws SQLException {
        return this.targetMetaData.getExtraNameCharacters();
    }

    public String getIdentifierQuoteString() throws SQLException {
        return this.targetMetaData.getIdentifierQuoteString();
    }

    public ResultSet getImportedKeys(String catalog, String schema, String table) throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getImportedKeys(catalog, schema, table));
    }

    public ResultSet getIndexInfo(String catalog, String schema, String table, boolean unique, boolean approximate)
                                                                                                                   throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getIndexInfo(catalog, schema, table, unique, approximate));
    }

    public int getJDBCMajorVersion() throws SQLException {
        return this.targetMetaData.getJDBCMajorVersion();
    }

    public int getJDBCMinorVersion() throws SQLException {
        return this.targetMetaData.getJDBCMinorVersion();
    }

    public int getMaxBinaryLiteralLength() throws SQLException {
        return this.targetMetaData.getMaxBinaryLiteralLength();
    }

    public int getMaxCatalogNameLength() throws SQLException {
        return this.targetMetaData.getMaxCatalogNameLength();
    }

    public int getMaxCharLiteralLength() throws SQLException {
        return this.targetMetaData.getMaxCharLiteralLength();
    }

    public int getMaxColumnNameLength() throws SQLException {
        return this.targetMetaData.getMaxColumnNameLength();
    }

    public int getMaxColumnsInGroupBy() throws SQLException {
        return this.targetMetaData.getMaxColumnsInGroupBy();
    }

    public int getMaxColumnsInIndex() throws SQLException {
        return this.targetMetaData.getMaxColumnsInIndex();
    }

    public int getMaxColumnsInOrderBy() throws SQLException {
        return this.targetMetaData.getMaxColumnsInOrderBy();
    }

    public int getMaxColumnsInSelect() throws SQLException {
        return this.targetMetaData.getMaxColumnsInSelect();
    }

    public int getMaxColumnsInTable() throws SQLException {
        return this.targetMetaData.getMaxColumnsInTable();
    }

    public int getMaxConnections() throws SQLException {
        return this.targetMetaData.getMaxConnections();
    }

    public int getMaxCursorNameLength() throws SQLException {
        return this.targetMetaData.getMaxCursorNameLength();
    }

    public int getMaxIndexLength() throws SQLException {
        return this.targetMetaData.getMaxIndexLength();
    }

    public int getMaxProcedureNameLength() throws SQLException {
        return this.targetMetaData.getMaxProcedureNameLength();
    }

    public int getMaxRowSize() throws SQLException {
        return this.targetMetaData.getMaxRowSize();
    }

    public int getMaxSchemaNameLength() throws SQLException {
        return this.targetMetaData.getMaxSchemaNameLength();
    }

    public int getMaxStatementLength() throws SQLException {
        return this.targetMetaData.getMaxStatementLength();
    }

    public int getMaxStatements() throws SQLException {
        return this.targetMetaData.getMaxStatements();
    }

    public int getMaxTableNameLength() throws SQLException {
        return this.targetMetaData.getMaxTableNameLength();
    }

    public int getMaxTablesInSelect() throws SQLException {
        return this.targetMetaData.getMaxTablesInSelect();
    }

    public int getMaxUserNameLength() throws SQLException {
        return this.targetMetaData.getMaxUserNameLength();
    }

    public String getNumericFunctions() throws SQLException {
        return this.targetMetaData.getNumericFunctions();
    }

    public ResultSet getPrimaryKeys(String catalog, String schema, String table) throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getPrimaryKeys(catalog, schema, table));
    }

    public ResultSet getProcedureColumns(String catalog, String schemaPattern, String procedureNamePattern,
                                         String columnNamePattern) throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getProcedureColumns(catalog,
            schemaPattern,
            procedureNamePattern,
            columnNamePattern));
    }

    public String getProcedureTerm() throws SQLException {
        return this.targetMetaData.getProcedureTerm();
    }

    public ResultSet getProcedures(String catalog, String schemaPattern, String procedureNamePattern)
                                                                                                     throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getProcedures(catalog, schemaPattern, procedureNamePattern));
    }

    public int getResultSetHoldability() throws SQLException {
        return this.targetMetaData.getResultSetHoldability();
    }

    public String getSQLKeywords() throws SQLException {
        return this.targetMetaData.getSQLKeywords();
    }

    public int getSQLStateType() throws SQLException {
        return this.targetMetaData.getSQLStateType();
    }

    public String getSchemaTerm() throws SQLException {
        return this.targetMetaData.getSchemaTerm();
    }

    public ResultSet getSchemas() throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getSchemas());
    }

    public String getSearchStringEscape() throws SQLException {
        return this.targetMetaData.getSearchStringEscape();
    }

    public String getStringFunctions() throws SQLException {
        return this.targetMetaData.getStringFunctions();
    }

    public ResultSet getSuperTables(String catalog, String schemaPattern, String tableNamePattern) throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getSuperTables(catalog, schemaPattern, tableNamePattern));
    }

    public ResultSet getSuperTypes(String catalog, String schemaPattern, String typeNamePattern) throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getSuperTypes(catalog, schemaPattern, typeNamePattern));
    }

    public String getSystemFunctions() throws SQLException {
        return this.targetMetaData.getSystemFunctions();
    }

    public ResultSet getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern)
                                                                                                      throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getTablePrivileges(catalog, schemaPattern, tableNamePattern));
    }

    public ResultSet getTableTypes() throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getTableTypes());
    }

    public ResultSet getTables(String catalog, String schemaPattern, String tableNamePattern, String[] types)
                                                                                                             throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getTables(catalog, schemaPattern, tableNamePattern, types));
    }

    public String getTimeDateFunctions() throws SQLException {
        return this.targetMetaData.getTimeDateFunctions();
    }

    public ResultSet getTypeInfo() throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getTypeInfo());
    }

    public ResultSet getUDTs(String catalog, String schemaPattern, String typeNamePattern, int[] types)
                                                                                                       throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getUDTs(catalog, schemaPattern, typeNamePattern, types));
    }

    public String getURL() throws SQLException {
        return this.targetMetaData.getURL();
    }

    public String getUserName() throws SQLException {
        return this.targetMetaData.getUserName();
    }

    public ResultSet getVersionColumns(String catalog, String schema, String table) throws SQLException {
        return new TResultSetWrapper(null, targetMetaData.getVersionColumns(catalog, schema, table));
    }

    public boolean insertsAreDetected(int type) throws SQLException {
        return this.targetMetaData.insertsAreDetected(type);
    }

    public boolean isCatalogAtStart() throws SQLException {
        return this.targetMetaData.isCatalogAtStart();
    }

    public boolean isReadOnly() throws SQLException {
        return this.targetMetaData.isReadOnly();
    }

    public boolean locatorsUpdateCopy() throws SQLException {
        return this.targetMetaData.locatorsUpdateCopy();
    }

    public boolean nullPlusNonNullIsNull() throws SQLException {
        return this.targetMetaData.nullPlusNonNullIsNull();
    }

    public boolean nullsAreSortedAtEnd() throws SQLException {
        return this.targetMetaData.nullsAreSortedAtEnd();
    }

    public boolean nullsAreSortedAtStart() throws SQLException {
        return this.targetMetaData.nullsAreSortedAtStart();
    }

    public boolean nullsAreSortedHigh() throws SQLException {
        return this.targetMetaData.nullsAreSortedHigh();
    }

    public boolean nullsAreSortedLow() throws SQLException {
        return this.targetMetaData.nullsAreSortedLow();
    }

    public boolean othersDeletesAreVisible(int type) throws SQLException {
        return this.targetMetaData.othersDeletesAreVisible(type);
    }

    public boolean othersInsertsAreVisible(int type) throws SQLException {
        return this.targetMetaData.othersInsertsAreVisible(type);
    }

    public boolean othersUpdatesAreVisible(int type) throws SQLException {
        return this.targetMetaData.othersUpdatesAreVisible(type);
    }

    public boolean ownDeletesAreVisible(int type) throws SQLException {
        return this.targetMetaData.ownDeletesAreVisible(type);
    }

    public boolean ownInsertsAreVisible(int type) throws SQLException {
        return this.targetMetaData.ownInsertsAreVisible(type);
    }

    public boolean ownUpdatesAreVisible(int type) throws SQLException {
        return this.targetMetaData.ownUpdatesAreVisible(type);
    }

    public boolean storesLowerCaseIdentifiers() throws SQLException {
        return this.targetMetaData.storesLowerCaseIdentifiers();
    }

    public boolean storesLowerCaseQuotedIdentifiers() throws SQLException {
        return this.targetMetaData.storesLowerCaseQuotedIdentifiers();
    }

    public boolean storesMixedCaseIdentifiers() throws SQLException {
        return this.targetMetaData.storesMixedCaseIdentifiers();
    }

    public boolean storesMixedCaseQuotedIdentifiers() throws SQLException {
        return this.targetMetaData.storesMixedCaseQuotedIdentifiers();
    }

    public boolean storesUpperCaseIdentifiers() throws SQLException {
        return this.targetMetaData.storesUpperCaseIdentifiers();
    }

    public boolean storesUpperCaseQuotedIdentifiers() throws SQLException {
        return this.targetMetaData.storesUpperCaseQuotedIdentifiers();
    }

    public boolean supportsANSI92EntryLevelSQL() throws SQLException {
        return this.targetMetaData.supportsANSI92EntryLevelSQL();
    }

    public boolean supportsANSI92FullSQL() throws SQLException {
        return this.targetMetaData.supportsANSI92FullSQL();
    }

    public boolean supportsANSI92IntermediateSQL() throws SQLException {
        return this.targetMetaData.supportsANSI92IntermediateSQL();
    }

    public boolean supportsAlterTableWithAddColumn() throws SQLException {
        return this.targetMetaData.supportsAlterTableWithAddColumn();
    }

    public boolean supportsAlterTableWithDropColumn() throws SQLException {
        return this.targetMetaData.supportsAlterTableWithDropColumn();
    }

    public boolean supportsBatchUpdates() throws SQLException {
        return this.targetMetaData.supportsBatchUpdates();
    }

    public boolean supportsCatalogsInDataManipulation() throws SQLException {
        return this.targetMetaData.supportsCatalogsInDataManipulation();
    }

    public boolean supportsCatalogsInIndexDefinitions() throws SQLException {
        return this.targetMetaData.supportsCatalogsInIndexDefinitions();
    }

    public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException {
        return this.targetMetaData.supportsCatalogsInPrivilegeDefinitions();
    }

    public boolean supportsCatalogsInProcedureCalls() throws SQLException {
        return this.targetMetaData.supportsCatalogsInProcedureCalls();
    }

    public boolean supportsCatalogsInTableDefinitions() throws SQLException {
        return this.targetMetaData.supportsCatalogsInTableDefinitions();
    }

    public boolean supportsColumnAliasing() throws SQLException {
        return this.targetMetaData.supportsColumnAliasing();
    }

    public boolean supportsConvert() throws SQLException {
        return this.targetMetaData.supportsConvert();
    }

    public boolean supportsConvert(int fromType, int toType) throws SQLException {
        return this.targetMetaData.supportsConvert(fromType, toType);
    }

    public boolean supportsCoreSQLGrammar() throws SQLException {
        return this.targetMetaData.supportsCoreSQLGrammar();
    }

    public boolean supportsCorrelatedSubqueries() throws SQLException {
        return this.targetMetaData.supportsCorrelatedSubqueries();
    }

    public boolean supportsDataDefinitionAndDataManipulationTransactions() throws SQLException {
        return this.targetMetaData.supportsDataDefinitionAndDataManipulationTransactions();
    }

    public boolean supportsDataManipulationTransactionsOnly() throws SQLException {
        return this.targetMetaData.supportsDataManipulationTransactionsOnly();
    }

    public boolean supportsDifferentTableCorrelationNames() throws SQLException {
        return this.targetMetaData.supportsDifferentTableCorrelationNames();
    }

    public boolean supportsExpressionsInOrderBy() throws SQLException {
        return this.targetMetaData.supportsExpressionsInOrderBy();
    }

    public boolean supportsExtendedSQLGrammar() throws SQLException {
        return this.targetMetaData.supportsExtendedSQLGrammar();
    }

    public boolean supportsFullOuterJoins() throws SQLException {
        return this.targetMetaData.supportsFullOuterJoins();
    }

    public boolean supportsGetGeneratedKeys() throws SQLException {
        return this.targetMetaData.supportsGetGeneratedKeys();
    }

    public boolean supportsGroupBy() throws SQLException {
        return this.targetMetaData.supportsGroupBy();
    }

    public boolean supportsGroupByBeyondSelect() throws SQLException {
        return this.targetMetaData.supportsGroupByBeyondSelect();
    }

    public boolean supportsGroupByUnrelated() throws SQLException {
        return this.targetMetaData.supportsGroupByUnrelated();
    }

    public boolean supportsIntegrityEnhancementFacility() throws SQLException {
        return this.targetMetaData.supportsIntegrityEnhancementFacility();
    }

    public boolean supportsLikeEscapeClause() throws SQLException {
        return this.targetMetaData.supportsLikeEscapeClause();
    }

    public boolean supportsLimitedOuterJoins() throws SQLException {
        return this.targetMetaData.supportsLimitedOuterJoins();
    }

    public boolean supportsMinimumSQLGrammar() throws SQLException {
        return this.targetMetaData.supportsMinimumSQLGrammar();
    }

    public boolean supportsMixedCaseIdentifiers() throws SQLException {
        return this.targetMetaData.supportsMixedCaseIdentifiers();
    }

    public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException {
        return this.targetMetaData.supportsMixedCaseQuotedIdentifiers();
    }

    public boolean supportsMultipleOpenResults() throws SQLException {
        return this.targetMetaData.supportsMultipleOpenResults();
    }

    public boolean supportsMultipleResultSets() throws SQLException {
        return this.targetMetaData.supportsMultipleResultSets();
    }

    public boolean supportsMultipleTransactions() throws SQLException {
        return this.targetMetaData.supportsMultipleTransactions();
    }

    public boolean supportsNamedParameters() throws SQLException {
        return this.targetMetaData.supportsNamedParameters();
    }

    public boolean supportsNonNullableColumns() throws SQLException {
        return this.targetMetaData.supportsNonNullableColumns();
    }

    public boolean supportsOpenCursorsAcrossCommit() throws SQLException {
        return this.targetMetaData.supportsOpenCursorsAcrossCommit();
    }

    public boolean supportsOpenCursorsAcrossRollback() throws SQLException {
        return this.targetMetaData.supportsOpenCursorsAcrossRollback();
    }

    public boolean supportsOpenStatementsAcrossCommit() throws SQLException {
        return this.targetMetaData.supportsOpenStatementsAcrossCommit();
    }

    public boolean supportsOpenStatementsAcrossRollback() throws SQLException {
        return this.targetMetaData.supportsOpenStatementsAcrossRollback();
    }

    public boolean supportsOrderByUnrelated() throws SQLException {
        return this.targetMetaData.supportsOrderByUnrelated();
    }

    public boolean supportsOuterJoins() throws SQLException {
        return this.targetMetaData.supportsOuterJoins();
    }

    public boolean supportsPositionedDelete() throws SQLException {
        return this.targetMetaData.supportsPositionedDelete();
    }

    public boolean supportsPositionedUpdate() throws SQLException {
        return this.targetMetaData.supportsPositionedUpdate();
    }

    public boolean supportsResultSetConcurrency(int type, int concurrency) throws SQLException {
        return this.targetMetaData.supportsResultSetConcurrency(type, concurrency);
    }

    public boolean supportsResultSetHoldability(int holdability) throws SQLException {
        return this.targetMetaData.supportsResultSetHoldability(holdability);
    }

    public boolean supportsResultSetType(int type) throws SQLException {
        return this.targetMetaData.supportsResultSetType(type);
    }

    public boolean supportsSavepoints() throws SQLException {
        return this.targetMetaData.supportsSavepoints();
    }

    public boolean supportsSchemasInDataManipulation() throws SQLException {
        return this.targetMetaData.supportsSchemasInDataManipulation();
    }

    public boolean supportsSchemasInIndexDefinitions() throws SQLException {
        return this.targetMetaData.supportsSchemasInIndexDefinitions();
    }

    public boolean supportsSchemasInPrivilegeDefinitions() throws SQLException {
        return this.targetMetaData.supportsSchemasInPrivilegeDefinitions();
    }

    public boolean supportsSchemasInProcedureCalls() throws SQLException {
        return this.targetMetaData.supportsSchemasInProcedureCalls();
    }

    public boolean supportsSchemasInTableDefinitions() throws SQLException {
        return this.targetMetaData.supportsSchemasInTableDefinitions();
    }

    public boolean supportsSelectForUpdate() throws SQLException {
        return this.targetMetaData.supportsSelectForUpdate();
    }

    public boolean supportsStatementPooling() throws SQLException {
        return this.targetMetaData.supportsStatementPooling();
    }

    public boolean supportsStoredProcedures() throws SQLException {
        return this.targetMetaData.supportsStoredProcedures();
    }

    public boolean supportsSubqueriesInComparisons() throws SQLException {
        return this.targetMetaData.supportsSubqueriesInComparisons();
    }

    public boolean supportsSubqueriesInExists() throws SQLException {
        return this.targetMetaData.supportsSubqueriesInExists();
    }

    public boolean supportsSubqueriesInIns() throws SQLException {
        return this.targetMetaData.supportsSubqueriesInIns();
    }

    public boolean supportsSubqueriesInQuantifieds() throws SQLException {
        return this.targetMetaData.supportsSubqueriesInQuantifieds();
    }

    public boolean supportsTableCorrelationNames() throws SQLException {
        return this.targetMetaData.supportsTableCorrelationNames();
    }

    public boolean supportsTransactionIsolationLevel(int level) throws SQLException {
        return this.targetMetaData.supportsTransactionIsolationLevel(level);
    }

    public boolean supportsTransactions() throws SQLException {
        return this.targetMetaData.supportsTransactions();
    }

    public boolean supportsUnion() throws SQLException {
        return this.targetMetaData.supportsUnion();
    }

    public boolean supportsUnionAll() throws SQLException {
        return this.targetMetaData.supportsUnionAll();
    }

    public boolean updatesAreDetected(int type) throws SQLException {
        return this.targetMetaData.updatesAreDetected(type);
    }

    public boolean usesLocalFilePerTable() throws SQLException {
        return this.targetMetaData.usesLocalFilePerTable();
    }

    public boolean usesLocalFiles() throws SQLException {
        return this.targetMetaData.usesLocalFiles();
    }

    public boolean isWrapperFor(Class<?> iface) throws SQLException {
        return this.getClass().isAssignableFrom(iface);
    }

    public Clob createClob() throws SQLException {
        return this.targetConnection.createClob();
    }

    public RowIdLifetime getRowIdLifetime() throws SQLException {
        return this.targetMetaData.getRowIdLifetime();
    }

    public ResultSet getSchemas(String catalog, String schemaPattern) throws SQLException {
        return this.targetMetaData.getSchemas(catalog, schemaPattern);
    }

    public boolean supportsStoredFunctionsUsingCallSyntax() throws SQLException {
        return this.targetMetaData.supportsStoredFunctionsUsingCallSyntax();
    }

    public boolean autoCommitFailureClosesAllResultSets() throws SQLException {
        return this.targetMetaData.autoCommitFailureClosesAllResultSets();
    }

    public ResultSet getClientInfoProperties() throws SQLException {
        return this.targetMetaData.getClientInfoProperties();
    }

    public ResultSet getFunctions(String catalog, String schemaPattern, String functionNamePattern) throws SQLException {
        return this.targetMetaData.getFunctions(catalog, schemaPattern, functionNamePattern);
    }

    public ResultSet getFunctionColumns(String catalog, String schemaPattern, String functionNamePattern,
                                        String columnNamePattern) throws SQLException {
        return this.targetMetaData.getFunctionColumns(catalog, schemaPattern, functionNamePattern, columnNamePattern);
    }

    @SuppressWarnings("unchecked")
    public <T> T unwrap(Class<T> iface) throws SQLException {
        try {
            return (T) this;
        } catch (Exception e) {
            throw new SQLException(e);
        }
    }
}