/*
* Copyright 1999-2011 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.parser.PGSQLStatementParser;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
public class PGSelectTest5 extends PGTest {
public void test_0() throws Exception {
String sql = " SELECT rs.* FROM ( " //
+ "WITH RECURSIVE r AS( "//
+ "SELECT * " //
+ "FROM t_e_shopcatalog " //
+ "WHERE parentcatalogid= (SELECT catalogid FROM t_e_shopcatalog where catalogname='学习分类' and parentcatalogid='0') " //
+ "UNION ALL " //
+ "SELECT t_e_shopcatalog.* " //
+ "FROM t_e_shopcatalog, r " //
+ "WHERE t_e_shopcatalog.parentcatalogid = r.catalogid )"
+ "SELECT * FROM r )rs WHERE 1=1";
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.assertEquals(4, visitor.getColumns().size());
Assert.assertEquals(1, visitor.getTables().size());
}
}
// select categoryId , offerIds from cnres.function_select_get_spt_p4p_offer_list (' 1031918 , 1031919 , 1037004 ') as
// a(categoryId numeric,offerIds character varying(4000))
// select memberId , offerIds from cnres.function_select_get_seller_hot_offer_list('\'gzyyd168\'') as a(memberId
// character varying(20),offerIds character varying(4000))