/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.druid.proxy.jdbc;

import java.sql.*;

/**
 * Created by wenshao on 26/05/2017.
 */
public class DatabaseMetaDataProxyImpl implements DatabaseMetaData {
    private DatabaseMetaData metaData;

    public DatabaseMetaDataProxyImpl(DatabaseMetaData metaData) {
        this.metaData = metaData;
    }

    @Override
    public boolean allProceduresAreCallable() throws SQLException {
        return metaData.allProceduresAreCallable();
    }

    @Override
    public boolean allTablesAreSelectable() throws SQLException {
        return metaData.allTablesAreSelectable();
    }

    @Override
    public String getURL() throws SQLException {
        return metaData.getURL();
    }

    @Override
    public String getUserName() throws SQLException {
        return metaData.getUserName();
    }

    @Override
    public boolean isReadOnly() throws SQLException {
        return metaData.isReadOnly();
    }

    @Override
    public boolean nullsAreSortedHigh() throws SQLException {
        return metaData.nullsAreSortedHigh();
    }

    @Override
    public boolean nullsAreSortedLow() throws SQLException {
        return metaData.nullsAreSortedLow();
    }

    @Override
    public boolean nullsAreSortedAtStart() throws SQLException {
        return metaData.nullsAreSortedAtStart();
    }

    @Override
    public boolean nullsAreSortedAtEnd() throws SQLException {
        return metaData.nullsAreSortedAtEnd();
    }

    @Override
    public String getDatabaseProductName() throws SQLException {
        return metaData.getDatabaseProductName();
    }

    @Override
    public String getDatabaseProductVersion() throws SQLException {
        return metaData.getDatabaseProductVersion();
    }

    @Override
    public String getDriverName() throws SQLException {
        return metaData.getDriverName();
    }

    @Override
    public String getDriverVersion() throws SQLException {
        return metaData.getDriverVersion();
    }

    @Override
    public int getDriverMajorVersion() {
        return metaData.getDriverMajorVersion();
    }

    @Override
    public int getDriverMinorVersion() {
        return metaData.getDriverMinorVersion();
    }

    @Override
    public boolean usesLocalFiles() throws SQLException {
        return metaData.usesLocalFiles();
    }

    @Override
    public boolean usesLocalFilePerTable() throws SQLException {
        return metaData.usesLocalFilePerTable();
    }

    @Override
    public boolean supportsMixedCaseIdentifiers() throws SQLException {
        return metaData.supportsMixedCaseIdentifiers();
    }

    @Override
    public boolean storesUpperCaseIdentifiers() throws SQLException {
        return metaData.storesUpperCaseIdentifiers();
    }

    @Override
    public boolean storesLowerCaseIdentifiers() throws SQLException {
        return metaData.storesMixedCaseIdentifiers();
    }

    @Override
    public boolean storesMixedCaseIdentifiers() throws SQLException {
        return metaData.supportsMixedCaseIdentifiers();
    }

    @Override
    public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException {
        return metaData.supportsMixedCaseQuotedIdentifiers();
    }

    @Override
    public boolean storesUpperCaseQuotedIdentifiers() throws SQLException {
        return metaData.storesUpperCaseIdentifiers();
    }

    @Override
    public boolean storesLowerCaseQuotedIdentifiers() throws SQLException {
        return metaData.storesLowerCaseQuotedIdentifiers();
    }

    @Override
    public boolean storesMixedCaseQuotedIdentifiers() throws SQLException {
        return metaData.storesMixedCaseQuotedIdentifiers();
    }

    @Override
    public String getIdentifierQuoteString() throws SQLException {
        return metaData.getIdentifierQuoteString();
    }

    @Override
    public String getSQLKeywords() throws SQLException {
        return metaData.getSQLKeywords();
    }

    @Override
    public String getNumericFunctions() throws SQLException {
        return metaData.getNumericFunctions();
    }

    @Override
    public String getStringFunctions() throws SQLException {
        return metaData.getStringFunctions();
    }

    @Override
    public String getSystemFunctions() throws SQLException {
        return metaData.getSystemFunctions();
    }

    @Override
    public String getTimeDateFunctions() throws SQLException {
        return metaData.getTimeDateFunctions();
    }

    @Override
    public String getSearchStringEscape() throws SQLException {
        return metaData.getSearchStringEscape();
    }

    @Override
    public String getExtraNameCharacters() throws SQLException {
        return metaData.getExtraNameCharacters();
    }

    @Override
    public boolean supportsAlterTableWithAddColumn() throws SQLException {
        return metaData.supportsAlterTableWithAddColumn();
    }

    @Override
    public boolean supportsAlterTableWithDropColumn() throws SQLException {
        return metaData.supportsAlterTableWithDropColumn();
    }

    @Override
    public boolean supportsColumnAliasing() throws SQLException {
        return metaData.supportsColumnAliasing();
    }

    @Override
    public boolean nullPlusNonNullIsNull() throws SQLException {
        return metaData.nullPlusNonNullIsNull();
    }

    @Override
    public boolean supportsConvert() throws SQLException {
        return metaData.supportsConvert();
    }

    @Override
    public boolean supportsConvert(int fromType, int toType) throws SQLException {
        return metaData.supportsConvert(fromType, toType);
    }

    @Override
    public boolean supportsTableCorrelationNames() throws SQLException {
        return metaData.supportsTableCorrelationNames();
    }

    @Override
    public boolean supportsDifferentTableCorrelationNames() throws SQLException {
        return metaData.supportsDifferentTableCorrelationNames();
    }

    @Override
    public boolean supportsExpressionsInOrderBy() throws SQLException {
        return metaData.supportsExpressionsInOrderBy();
    }

    @Override
    public boolean supportsOrderByUnrelated() throws SQLException {
        return metaData.supportsOrderByUnrelated();
    }

    @Override
    public boolean supportsGroupBy() throws SQLException {
        return metaData.supportsGroupBy();
    }

    @Override
    public boolean supportsGroupByUnrelated() throws SQLException {
        return metaData.supportsGroupByUnrelated();
    }

    @Override
    public boolean supportsGroupByBeyondSelect() throws SQLException {
        return metaData.supportsGroupByBeyondSelect();
    }

    @Override
    public boolean supportsLikeEscapeClause() throws SQLException {
        return metaData.supportsLikeEscapeClause();
    }

    @Override
    public boolean supportsMultipleResultSets() throws SQLException {
        return metaData.supportsMultipleResultSets();
    }

    @Override
    public boolean supportsMultipleTransactions() throws SQLException {
        return metaData.supportsMultipleTransactions();
    }

    @Override
    public boolean supportsNonNullableColumns() throws SQLException {
        return metaData.supportsNonNullableColumns();
    }

    @Override
    public boolean supportsMinimumSQLGrammar() throws SQLException {
        return metaData.supportsMinimumSQLGrammar();
    }

    @Override
    public boolean supportsCoreSQLGrammar() throws SQLException {
        return metaData.supportsCoreSQLGrammar();
    }

    @Override
    public boolean supportsExtendedSQLGrammar() throws SQLException {
        return metaData.supportsExtendedSQLGrammar();
    }

    @Override
    public boolean supportsANSI92EntryLevelSQL() throws SQLException {
        return metaData.supportsANSI92EntryLevelSQL();
    }

    @Override
    public boolean supportsANSI92IntermediateSQL() throws SQLException {
        return metaData.supportsANSI92IntermediateSQL();
    }

    @Override
    public boolean supportsANSI92FullSQL() throws SQLException {
        return metaData.supportsANSI92FullSQL();
    }

    @Override
    public boolean supportsIntegrityEnhancementFacility() throws SQLException {
        return metaData.supportsIntegrityEnhancementFacility();
    }

    @Override
    public boolean supportsOuterJoins() throws SQLException {
        return metaData.supportsOuterJoins();
    }

    @Override
    public boolean supportsFullOuterJoins() throws SQLException {
        return metaData.supportsFullOuterJoins();
    }

    @Override
    public boolean supportsLimitedOuterJoins() throws SQLException {
        return metaData.supportsLimitedOuterJoins();
    }

    @Override
    public String getSchemaTerm() throws SQLException {
        return metaData.getSchemaTerm();
    }

    @Override
    public String getProcedureTerm() throws SQLException {
        return metaData.getProcedureTerm();
    }

    @Override
    public String getCatalogTerm() throws SQLException {
        return metaData.getCatalogTerm();
    }

    @Override
    public boolean isCatalogAtStart() throws SQLException {
        return metaData.isCatalogAtStart();
    }

    @Override
    public String getCatalogSeparator() throws SQLException {
        return metaData.getCatalogSeparator();
    }

    @Override
    public boolean supportsSchemasInDataManipulation() throws SQLException {
        return metaData.supportsSchemasInDataManipulation();
    }

    @Override
    public boolean supportsSchemasInProcedureCalls() throws SQLException {
        return metaData.supportsSchemasInProcedureCalls();
    }

    @Override
    public boolean supportsSchemasInTableDefinitions() throws SQLException {
        return metaData.supportsSchemasInTableDefinitions();
    }

    @Override
    public boolean supportsSchemasInIndexDefinitions() throws SQLException {
        return metaData.supportsSchemasInIndexDefinitions();
    }

    @Override
    public boolean supportsSchemasInPrivilegeDefinitions() throws SQLException {
        return metaData.supportsSchemasInPrivilegeDefinitions();
    }

    @Override
    public boolean supportsCatalogsInDataManipulation() throws SQLException {
        return metaData.supportsCatalogsInDataManipulation();
    }

    @Override
    public boolean supportsCatalogsInProcedureCalls() throws SQLException {
        return metaData.supportsCatalogsInProcedureCalls();
    }

    @Override
    public boolean supportsCatalogsInTableDefinitions() throws SQLException {
        return metaData.supportsCatalogsInTableDefinitions();
    }

    @Override
    public boolean supportsCatalogsInIndexDefinitions() throws SQLException {
        return metaData.supportsCatalogsInIndexDefinitions();
    }

    @Override
    public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException {
        return metaData.supportsCatalogsInPrivilegeDefinitions();
    }

    @Override
    public boolean supportsPositionedDelete() throws SQLException {
        return metaData.supportsPositionedDelete();
    }

    @Override
    public boolean supportsPositionedUpdate() throws SQLException {
        return metaData.supportsPositionedUpdate();
    }

    @Override
    public boolean supportsSelectForUpdate() throws SQLException {
        return metaData.supportsSelectForUpdate();
    }

    @Override
    public boolean supportsStoredProcedures() throws SQLException {
        return metaData.supportsStoredProcedures();
    }

    @Override
    public boolean supportsSubqueriesInComparisons() throws SQLException {
        return metaData.supportsSubqueriesInComparisons();
    }

    @Override
    public boolean supportsSubqueriesInExists() throws SQLException {
        return metaData.supportsSubqueriesInExists();
    }

    @Override
    public boolean supportsSubqueriesInIns() throws SQLException {
        return metaData.supportsSubqueriesInIns();
    }

    @Override
    public boolean supportsSubqueriesInQuantifieds() throws SQLException {
        return metaData.supportsSubqueriesInQuantifieds();
    }

    @Override
    public boolean supportsCorrelatedSubqueries() throws SQLException {
        return metaData.supportsCorrelatedSubqueries();
    }

    @Override
    public boolean supportsUnion() throws SQLException {
        return metaData.supportsUnion();
    }

    @Override
    public boolean supportsUnionAll() throws SQLException {
        return metaData.supportsUnionAll();
    }

    @Override
    public boolean supportsOpenCursorsAcrossCommit() throws SQLException {
        return metaData.supportsOpenCursorsAcrossCommit();
    }

    @Override
    public boolean supportsOpenCursorsAcrossRollback() throws SQLException {
        return metaData.supportsOpenCursorsAcrossRollback();
    }

    @Override
    public boolean supportsOpenStatementsAcrossCommit() throws SQLException {
        return metaData.supportsOpenStatementsAcrossCommit();
    }

    @Override
    public boolean supportsOpenStatementsAcrossRollback() throws SQLException {
        return metaData.supportsOpenStatementsAcrossRollback();
    }

    @Override
    public int getMaxBinaryLiteralLength() throws SQLException {
        return metaData.getMaxBinaryLiteralLength();
    }

    @Override
    public int getMaxCharLiteralLength() throws SQLException {
        return metaData.getMaxCharLiteralLength();
    }

    @Override
    public int getMaxColumnNameLength() throws SQLException {
        return metaData.getMaxColumnNameLength();
    }

    @Override
    public int getMaxColumnsInGroupBy() throws SQLException {
        return metaData.getMaxColumnsInGroupBy();
    }

    @Override
    public int getMaxColumnsInIndex() throws SQLException {
        return metaData.getMaxColumnsInIndex();
    }

    @Override
    public int getMaxColumnsInOrderBy() throws SQLException {
        return metaData.getMaxColumnsInOrderBy();
    }

    @Override
    public int getMaxColumnsInSelect() throws SQLException {
        return metaData.getMaxColumnsInSelect();
    }

    @Override
    public int getMaxColumnsInTable() throws SQLException {
        return metaData.getMaxColumnsInTable();
    }

    @Override
    public int getMaxConnections() throws SQLException {
        return metaData.getMaxConnections();
    }

    @Override
    public int getMaxCursorNameLength() throws SQLException {
        return metaData.getMaxCursorNameLength();
    }

    @Override
    public int getMaxIndexLength() throws SQLException {
        return metaData.getMaxIndexLength();
    }

    @Override
    public int getMaxSchemaNameLength() throws SQLException {
        return metaData.getMaxSchemaNameLength();
    }

    @Override
    public int getMaxProcedureNameLength() throws SQLException {
        return metaData.getMaxProcedureNameLength();
    }

    @Override
    public int getMaxCatalogNameLength() throws SQLException {
        return metaData.getMaxCatalogNameLength();
    }

    @Override
    public int getMaxRowSize() throws SQLException {
        return metaData.getMaxRowSize();
    }

    @Override
    public boolean doesMaxRowSizeIncludeBlobs() throws SQLException {
        return metaData.doesMaxRowSizeIncludeBlobs();
    }

    @Override
    public int getMaxStatementLength() throws SQLException {
        return metaData.getMaxStatementLength();
    }

    @Override
    public int getMaxStatements() throws SQLException {
        return metaData.getMaxStatements();
    }

    @Override
    public int getMaxTableNameLength() throws SQLException {
        return metaData.getMaxTableNameLength();
    }

    @Override
    public int getMaxTablesInSelect() throws SQLException {
        return metaData.getMaxTablesInSelect();
    }

    @Override
    public int getMaxUserNameLength() throws SQLException {
        return metaData.getMaxUserNameLength();
    }

    @Override
    public int getDefaultTransactionIsolation() throws SQLException {
        return metaData.getDefaultTransactionIsolation();
    }

    @Override
    public boolean supportsTransactions() throws SQLException {
        return metaData.supportsTransactions();
    }

    @Override
    public boolean supportsTransactionIsolationLevel(int level) throws SQLException {
        return metaData.supportsTransactionIsolationLevel(level);
    }

    @Override
    public boolean supportsDataDefinitionAndDataManipulationTransactions() throws SQLException {
        return metaData.supportsDataDefinitionAndDataManipulationTransactions();
    }

    @Override
    public boolean supportsDataManipulationTransactionsOnly() throws SQLException {
        return metaData.supportsDataManipulationTransactionsOnly();
    }

    @Override
    public boolean dataDefinitionCausesTransactionCommit() throws SQLException {
        return metaData.dataDefinitionCausesTransactionCommit();
    }

    @Override
    public boolean dataDefinitionIgnoredInTransactions() throws SQLException {
        return metaData.dataDefinitionIgnoredInTransactions();
    }

    @Override
    public ResultSet getProcedures(String catalog,
                                   String schemaPattern,
                                   String procedureNamePattern) throws SQLException {
        return metaData.getProcedures(catalog, schemaPattern, procedureNamePattern);
    }

    @Override
    public ResultSet getProcedureColumns(String catalog,
                                         String schemaPattern,
                                         String procedureNamePattern,
                                         String columnNamePattern) throws SQLException {
        return metaData.getProcedureColumns(catalog, schemaPattern, procedureNamePattern, columnNamePattern);
    }

    @Override
    public ResultSet getTables(String catalog,
                               String schemaPattern,
                               String tableNamePattern,
                               String[] types) throws SQLException {
        return metaData.getTables(catalog, schemaPattern, tableNamePattern, types);
    }

    @Override
    public ResultSet getSchemas() throws SQLException {
        return metaData.getSchemas();
    }

    @Override
    public ResultSet getCatalogs() throws SQLException {
        return metaData.getCatalogs();
    }

    @Override
    public ResultSet getTableTypes() throws SQLException {
        return metaData.getTableTypes();
    }

    @Override
    public ResultSet getColumns(String catalog,
                                String schemaPattern,
                                String tableNamePattern,
                                String columnNamePattern) throws SQLException {
        return metaData.getColumns(catalog, schemaPattern, tableNamePattern, columnNamePattern);
    }

    @Override
    public ResultSet getColumnPrivileges(String catalog,
                                         String schema,
                                         String table,
                                         String columnNamePattern) throws SQLException {
        return metaData.getColumnPrivileges(catalog, schema, table, columnNamePattern);
    }

    @Override
    public ResultSet getTablePrivileges(String catalog,
                                        String schemaPattern,
                                        String tableNamePattern) throws SQLException {
        return metaData.getTablePrivileges(catalog, schemaPattern, tableNamePattern);
    }

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

    @Override
    public ResultSet getVersionColumns(String catalog, String schema, String table) throws SQLException {
        return metaData.getVersionColumns(catalog, schema, table);
    }

    @Override
    public ResultSet getPrimaryKeys(String catalog, String schema, String table) throws SQLException {
        return metaData.getPrimaryKeys(catalog, schema, table);
    }

    @Override
    public ResultSet getImportedKeys(String catalog, String schema, String table) throws SQLException {
        return metaData.getImportedKeys(catalog, schema, table);
    }

    @Override
    public ResultSet getExportedKeys(String catalog, String schema, String table) throws SQLException {
        return metaData.getExportedKeys(catalog, schema, table);
    }

    @Override
    public ResultSet getCrossReference(String parentCatalog,
                                       String parentSchema,
                                       String parentTable,
                                       String foreignCatalog,
                                       String foreignSchema,
                                       String foreignTable) throws SQLException {
        return metaData.getCrossReference(parentCatalog, parentSchema, parentTable, foreignCatalog, foreignSchema, foreignTable);
    }

    @Override
    public ResultSet getTypeInfo() throws SQLException {
        return metaData.getTypeInfo();
    }

    @Override
    public ResultSet getIndexInfo(String catalog,
                                  String schema,
                                  String table,
                                  boolean unique,
                                  boolean approximate) throws SQLException {
        return metaData.getIndexInfo(catalog, schema, table, unique, approximate);
    }

    @Override
    public boolean supportsResultSetType(int type) throws SQLException {
        return metaData.supportsResultSetType(type);
    }

    @Override
    public boolean supportsResultSetConcurrency(int type, int concurrency) throws SQLException {
        return metaData.supportsResultSetConcurrency(type, concurrency);
    }

    @Override
    public boolean ownUpdatesAreVisible(int type) throws SQLException {
        return metaData.ownUpdatesAreVisible(type);
    }

    @Override
    public boolean ownDeletesAreVisible(int type) throws SQLException {
        return metaData.ownDeletesAreVisible(type);
    }

    @Override
    public boolean ownInsertsAreVisible(int type) throws SQLException {
        return metaData.ownInsertsAreVisible(type);
    }

    @Override
    public boolean othersUpdatesAreVisible(int type) throws SQLException {
        return metaData.othersUpdatesAreVisible(type);
    }

    @Override
    public boolean othersDeletesAreVisible(int type) throws SQLException {
        return metaData.othersDeletesAreVisible(type);
    }

    @Override
    public boolean othersInsertsAreVisible(int type) throws SQLException {
        return metaData.othersInsertsAreVisible(type);
    }

    @Override
    public boolean updatesAreDetected(int type) throws SQLException {
        return metaData.updatesAreDetected(type);
    }

    @Override
    public boolean deletesAreDetected(int type) throws SQLException {
        return metaData.deletesAreDetected(type);
    }

    @Override
    public boolean insertsAreDetected(int type) throws SQLException {
        return metaData.insertsAreDetected(type);
    }

    @Override
    public boolean supportsBatchUpdates() throws SQLException {
        return metaData.supportsBatchUpdates();
    }

    @Override
    public ResultSet getUDTs(String catalog,
                             String schemaPattern,
                             String typeNamePattern,
                             int[] types) throws SQLException {
        return metaData.getUDTs(catalog, schemaPattern, typeNamePattern, types);
    }

    @Override
    public Connection getConnection() throws SQLException {
        return metaData.getConnection();
    }

    @Override
    public boolean supportsSavepoints() throws SQLException {
        return metaData.supportsSavepoints();
    }

    @Override
    public boolean supportsNamedParameters() throws SQLException {
        return metaData.supportsNamedParameters();
    }

    @Override
    public boolean supportsMultipleOpenResults() throws SQLException {
        return metaData.supportsMultipleOpenResults();
    }

    @Override
    public boolean supportsGetGeneratedKeys() throws SQLException {
        return metaData.supportsGetGeneratedKeys();
    }

    @Override
    public ResultSet getSuperTypes(String catalog, String schemaPattern, String typeNamePattern) throws SQLException {
        return metaData.getSuperTypes(catalog, schemaPattern, typeNamePattern);
    }

    @Override
    public ResultSet getSuperTables(String catalog, String schemaPattern, String tableNamePattern) throws SQLException {
        return metaData.getSuperTypes(catalog, schemaPattern, tableNamePattern);
    }

    @Override
    public ResultSet getAttributes(String catalog,
                                   String schemaPattern,
                                   String typeNamePattern,
                                   String attributeNamePattern) throws SQLException {
        return metaData.getAttributes(catalog, schemaPattern, typeNamePattern, attributeNamePattern);
    }

    @Override
    public boolean supportsResultSetHoldability(int holdability) throws SQLException {
        return metaData.supportsResultSetHoldability(holdability);
    }

    @Override
    public int getResultSetHoldability() throws SQLException {
        return metaData.getResultSetHoldability();
    }

    @Override
    public int getDatabaseMajorVersion() throws SQLException {
        return metaData.getDatabaseMajorVersion();
    }

    @Override
    public int getDatabaseMinorVersion() throws SQLException {
        return metaData.getDatabaseMinorVersion();
    }

    @Override
    public int getJDBCMajorVersion() throws SQLException {
        return metaData.getJDBCMajorVersion();
    }

    @Override
    public int getJDBCMinorVersion() throws SQLException {
        return metaData.getJDBCMinorVersion();
    }

    @Override
    public int getSQLStateType() throws SQLException {
        return metaData.getSQLStateType();
    }

    @Override
    public boolean locatorsUpdateCopy() throws SQLException {
        return metaData.locatorsUpdateCopy();
    }

    @Override
    public boolean supportsStatementPooling() throws SQLException {
        return metaData.supportsStatementPooling();
    }

    @Override
    public RowIdLifetime getRowIdLifetime() throws SQLException {
        return metaData.getRowIdLifetime();
    }

    @Override
    public ResultSet getSchemas(String catalog, String schemaPattern) throws SQLException {
        return metaData.getSchemas(catalog, schemaPattern);
    }

    @Override
    public boolean supportsStoredFunctionsUsingCallSyntax() throws SQLException {
        return metaData.supportsStoredFunctionsUsingCallSyntax();
    }

    @Override
    public boolean autoCommitFailureClosesAllResultSets() throws SQLException {
        return metaData.autoCommitFailureClosesAllResultSets();
    }

    @Override
    public ResultSet getClientInfoProperties() throws SQLException {
        return metaData.getClientInfoProperties();
    }

    @Override
    public ResultSet getFunctions(String catalog,
                                  String schemaPattern,
                                  String functionNamePattern) throws SQLException {
        return metaData.getFunctions(catalog, schemaPattern, functionNamePattern);
    }

    @Override
    public ResultSet getFunctionColumns(String catalog,
                                        String schemaPattern,
                                        String functionNamePattern,
                                        String columnNamePattern) throws SQLException {
        return metaData.getFunctionColumns(catalog, schemaPattern, functionNamePattern, columnNamePattern);
    }

    public ResultSet getPseudoColumns(String catalog,
                                      String schemaPattern,
                                      String tableNamePattern,
                                      String columnNamePattern) throws SQLException {
        return metaData.getPseudoColumns(catalog, schemaPattern, tableNamePattern, columnNamePattern);
    }

    public boolean generatedKeyAlwaysReturned() throws SQLException {
        return metaData.generatedKeyAlwaysReturned();
    }

    @Override
    public <T> T unwrap(Class<T> iface) throws SQLException {
        return metaData.unwrap(iface);
    }

    @Override
    public boolean isWrapperFor(Class<?> iface) throws SQLException {
        return metaData.isWrapperFor(iface);
    }
}
