/*
* Copyright 1999-2017 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.bvt.sql.postgresql;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.PGTest;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.postgresql.ast.stmt.PGDeleteStatement;
import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
public class PGDeleteTest extends PGTest {
public void test_0() throws Exception {
String sql = "DELETE FROM films USING producers WHERE producer_id = producers.id AND producers.name = 'foo';";
PGSQLStatementParser parser = new PGSQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
// print(statementList);
Assert.assertEquals(1, statementList.size());
PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
statemen.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
// System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("films")));
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("producers")));
//Assert.assertTrue(visitor.getFields().size() == 0);
}
public void test_1() {
String sql = "delete from test01 as a where a.id = 2";
PGSQLStatementParser parser = new PGSQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
// print(statementList);
assertTrue(statementList.size() == 1);
assertTrue(statemen instanceof PGDeleteStatement);
PGDeleteStatement delete = (PGDeleteStatement) statemen;
assertTrue(delete.getAlias().equalsIgnoreCase("a"));
assertTrue(delete.getTableName().getSimpleName().equals("test01"));
}
}