/*
* Copyright 2004-2009 the original author or authors.
*
* 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 org.apache.lucene.store.jdbc.dialect;
/**
* A SQLServer dialect.
*
* @author kimchy
*/
public class SQLServerDialect extends SybaseDialect {
public char closeQuote() {
return ']';
}
public char openQuote() {
return '[';
}
/**
* SQLServer supports if table exists queries.
*/
public boolean supportsTableExists() {
return true;
}
public String sqlTableExists(String catalog, String schemaName) {
StringBuffer sb = new StringBuffer();
sb.append("select table_name from INFORMATION_SCHEMA.TABLES where lower(table_name) = ?");
if (schemaName != null) {
sb.append(" and lower(table_schema) = '").append(schemaName.toLowerCase()).append("'");
}
if (catalog != null) {
sb.append(" and lower(table_catalog) = '").append(catalog.toLowerCase()).append("'");
}
return sb.toString();
}
}