spring PostgresTableMetaDataProvider 源码
spring PostgresTableMetaDataProvider 代码
文件路径：/spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/PostgresTableMetaDataProvider.java
/*
* Copyright 2002-2018 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
*
* https://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.springframework.jdbc.core.metadata;
import java.sql.DatabaseMetaData;
import java.sql.SQLException;
/**
* The PostgreSQL specific implementation of {@link TableMetaDataProvider}.
* Supports a feature for retrieving generated keys without the JDBC 3.0
* {@code getGeneratedKeys} support.
*
* @author Thomas Risberg
* @since 2.5
*/
public class PostgresTableMetaDataProvider extends GenericTableMetaDataProvider {
public PostgresTableMetaDataProvider(DatabaseMetaData databaseMetaData) throws SQLException {
super(databaseMetaData);
}
@Override
public boolean isGetGeneratedKeysSimulated() {
return true;
}
@Override
public String getSimpleQueryForGetGeneratedKey(String tableName, String keyColumnName) {
return "RETURNING " + keyColumnName;
}
}
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