/*
* 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.alipay.zdal.parser.druid.bvt.sql.db2;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
import com.alipay.zdal.parser.sql.ast.SQLStatement;
import com.alipay.zdal.parser.sql.dialect.oracle.parser.OracleStatementParser;
import com.alipay.zdal.parser.sql.stat.TableStat;
import com.alipay.zdal.parser.sql.stat.TableStat.Column;
import com.alipay.zdal.parser.visitor.ZdalDB2SchemaStatVisitor;
public class DB2SelectTest_5 {
@Test
public void test_0() throws Exception {
String sql = "SELECT * FROM (SELECT TEMP_TAB.*,ROWNUMBER() OVER() AS IDX FROM (SELECT" //
+ " DISTINCT ( OH.ORDER_ID )" //
+ " FROM" //
+ " ORDER_HEADER OH," //
+ " ORDER_ITEM OI," //
+ " ORDER_PAYMENT_PERFERENCE OPP," //
+ " ORDER_SHIPMENT_PERFERENCE OSP" //
+ " WHERE" //
+ " OH.ORDER_ID = OI.ORDER_ID" //
+ " AND OH.ORDER_ID = OPP.ORDER_ID" //
+ " AND OH.ORDER_ID = OSP.ORDER_ID" //
+ " " //
+ " AND OH.ORDER_ID = ? ) AS TEMP_TAB ) AS TEMP_TAB_WITH_IDX "//
+ " WHERE TEMP_TAB_WITH_IDX.IDX > ? AND TEMP_TAB_WITH_IDX.IDX <= ?" //
+ "";
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
Assert.assertEquals(1, statementList.size());
ZdalDB2SchemaStatVisitor visitor = new ZdalDB2SchemaStatVisitor();
stmt.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
System.out.println("orderBy : " + visitor.getOrderByColumns());
System.out.println("rownum :" + visitor.getRownums());
Assert.assertEquals(4, visitor.getTables().size());
Assert.assertEquals(4, visitor.getColumns().size());
Assert.assertEquals(4, visitor.getConditions().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("ORDER_HEADER")));
Assert.assertTrue(visitor.getColumns().contains(new Column("ORDER_HEADER", "ORDER_ID")));
// Assert.assertTrue(visitor.getColumns().contains(new Column("mytable", "first_name")));
// Assert.assertTrue(visitor.getColumns().contains(new Column("mytable", "full_name")));
// String output = SQLUtils.toSQLString(stmt, JdbcConstants.DB2);
// Assert
// .assertEquals(
// "SELECT *"//
// + "\nFROM (SELECT TEMP_TAB.*, ROWNUMBER() OVER () AS IDX"//
// + "\n\tFROM (SELECT DISTINCT OH.ORDER_ID"//
// + "\n\t\tFROM ORDER_HEADER OH, ORDER_ITEM OI, ORDER_PAYMENT_PERFERENCE OPP, ORDER_SHIPMENT_PERFERENCE OSP"//
// + "\n\t\tWHERE OH.ORDER_ID = OI.ORDER_ID"//
// + "\n\t\t\tAND OH.ORDER_ID = OPP.ORDER_ID"//
// + "\n\t\t\tAND OH.ORDER_ID = OSP.ORDER_ID"//
// + "\n\t\t\tAND OH.ORDER_ID = ?"//
// + "\n\t\t) TEMP_TAB"//
// + "\n\t) TEMP_TAB_WITH_IDX"//
// + "\nWHERE TEMP_TAB_WITH_IDX.IDX > 0"//
// + "\n\tAND TEMP_TAB_WITH_IDX.IDX <= 20", //
// output);
}
}