NetezzaMetadataHandler.java
- /*
- *
- * The DbUnit Database Testing Framework
- * Copyright (C)2002-2009, DbUnit.org
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
- package org.dbunit.ext.netezza;
- import java.sql.DatabaseMetaData;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import org.dbunit.database.IMetadataHandler;
- import org.dbunit.util.SQLHelper;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- /**
- * Special metadata handler for Netezza.
- *
- * @author Ameet (amit3011 AT users.sourceforge.net)
- * @author Last changed by: $Author$
- * @version $Revision$ $Date$
- * @since 2.4.6
- */
- public class NetezzaMetadataHandler implements IMetadataHandler
- {
- /**
- * Logger for this class
- */
- private static final Logger logger = LoggerFactory.getLogger(NetezzaMetadataHandler.class);
- public NetezzaMetadataHandler()
- {
- logger.debug("Created object of metadatahandler");
- }
- public ResultSet getColumns(DatabaseMetaData databaseMetaData, String schemaName, String tableName) throws SQLException
- {
- // Note that Netezza uses the catalogName instead of the schemaName, so
- // pass in the given schema name as catalog name (first argument).
- ResultSet resultSet = databaseMetaData.getColumns(schemaName, null, tableName, "%");
- return resultSet;
- }
- public boolean matches(ResultSet resultSet, String schema, String table, boolean caseSensitive) throws SQLException
- {
- return matches(resultSet, null, schema, table, null, caseSensitive);
- }
- public boolean matches(ResultSet columnsResultSet, String catalog, String schema, String table, String column, boolean caseSensitive) throws SQLException
- {
- String catalogName = columnsResultSet.getString(1);
- String schemaName = columnsResultSet.getString(2);
- String tableName = columnsResultSet.getString(3);
- String columnName = columnsResultSet.getString(4);
- logger.debug("inputCatalog="+catalog+" inputSchema="+schema+" inputTable="+table+" inputColumn="+column);
- logger.debug("catalogName=" + catalogName + " schemaName=" + schemaName+"tableName=" + tableName+" columnName=" + columnName);
-
- // Netezza provides only a catalog but no schema
- //if (schema != null && schemaName == null && catalog == null && catalogName != null)
- if(catalog==null && catalogName!=null && schemaName !=null)
- {
- logger.debug("Netezza uses catalogs");
- schema = schemaName;
- catalog = catalogName;
- }
- boolean areEqual = areEqualIgnoreNull(catalog, catalogName, caseSensitive) && areEqualIgnoreNull(schema, schemaName, caseSensitive) && areEqualIgnoreNull(table, tableName, caseSensitive) && areEqualIgnoreNull(column, columnName, caseSensitive);
- return areEqual;
- }
- private boolean areEqualIgnoreNull(String value1, String value2, boolean caseSensitive)
- {
- return SQLHelper.areEqualIgnoreNull(value1, value2, caseSensitive);
- }
- public String getSchema(ResultSet resultSet) throws SQLException
- {
- String catalogName = resultSet.getString(1);
- String schemaName = resultSet.getString(2);
- // Fix schema/catalog for netezza. Normally the schema is not set but only the catalog is set
- if (schemaName == null && catalogName != null)
- {
- logger.debug("Using catalogName '" + catalogName + "' as schema since the schema is null but the catalog is set (probably in Netezza environment).");
- schemaName = catalogName;
- }
- return schemaName;
- }
- public boolean tableExists(DatabaseMetaData metaData, String schema, String tableName) throws SQLException
- {
- ResultSet tableRs = metaData.getTables(schema, null, tableName, null);
- try
- {
- return tableRs.next();
- }
- finally
- {
- SQLHelper.close(tableRs);
- }
- }
- public ResultSet getTables(DatabaseMetaData metaData, String schemaName, String[] tableType) throws SQLException
- {
- if (logger.isTraceEnabled())
- logger.trace("tableExists(metaData={}, schemaName={}, tableType={}) - start", new Object[] { metaData, schemaName, tableType });
- return metaData.getTables(schemaName, null, "%", tableType);
- }
- public ResultSet getPrimaryKeys(DatabaseMetaData metaData, String schemaName, String tableName) throws SQLException
- {
- if (logger.isTraceEnabled())
- logger.trace("getPrimaryKeys(metaData={}, schemaName={}, tableName={}) - start", new Object[] { metaData, schemaName, tableName });
- ResultSet resultSet = metaData.getPrimaryKeys(schemaName, null, tableName);
- return resultSet;
- }
- }
-