/*
* 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.odps;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
import com.alibaba.druid.util.JdbcConstants;
import junit.framework.TestCase;
import org.junit.Assert;
import java.util.List;
public class OdpsSelectTest_over_rows_5 extends TestCase {
public void test_select() throws Exception {
String sql = "SELECT sum(c) over(order by ds rows UNBOUNDED following) s, ds FROM t1";//
Assert.assertEquals("SELECT SUM(c) OVER (ORDER BY ds ROWS UNBOUNDED FOLLOWING) AS s\n" +
"\t, ds\n" +
"FROM t1", SQLUtils.formatOdps(sql));
Assert.assertEquals("select sum(c) over (order by ds rows unbounded following) as s\n" +
"\t, ds\n" +
"from t1", SQLUtils.formatOdps(sql, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ODPS);
SQLStatement stmt = statementList.get(0);
Assert.assertEquals(1, statementList.size());
SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.ODPS);
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());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(2, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
// Assert.assertTrue(visitor.getColumns().contains(new Column("abc", "name")));
}
}