/*
* 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.oracle.select;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.OracleTest;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import com.alibaba.druid.stat.TableStat.Column;
public class OracleSelectTest21 extends OracleTest {
public void test_0() throws Exception {
String sql = //
"SELECT EVENT, WAITS, TIME, DECODE(WAITS, NULL, TO_NUMBER(NULL), 0, TO_NUMBER(NULL), TIME/WAITS*1000) AVGWT" + //
" , PCTWTT, WAIT_CLASS " + "FROM (SELECT EVENT, WAITS, TIME, PCTWTT, WAIT_CLASS " + //
" FROM (" + //
" SELECT E.EVENT_NAME EVENT, E.TOTAL_WAITS - NVL(B.TOTAL_WAITS,0) WAITS" + //
" , (E.TIME_WAITED_MICRO - NVL(B.TIME_WAITED_MICRO,0)) / 1000000 TIME" + //
" , 100 * (E.TIME_WAITED_MICRO - NVL(B.TIME_WAITED_MICRO,0)) / :B1 PCTWTT" + //
" , E.WAIT_CLASS WAIT_CLASS " + //
" FROM DBA_HIST_SYSTEM_EVENT B, DBA_HIST_SYSTEM_EVENT E " + //
" WHERE B.SNAP_ID(+) = :B5 AND E.SNAP_ID = :B4 AND B.DBID(+) = :B3 AND E.DBID = :B3 " + //
" AND B.INSTANCE_NUMBER(+) = :B2 AND E.INSTANCE_NUMBER = :B2 AND B.EVENT_ID(+) = E.EVENT_ID " + //
" AND E.TOTAL_WAITS > NVL(B.TOTAL_WAITS,0) AND E.WAIT_CLASS != 'Idle' " + //
" UNION ALL " + //
" SELECT 'CPU time' EVENT, TO_NUMBER(NULL) WAITS" + //
" , :B6 /1000000 TIME, 100 * :B6 / :B1 PCTWTT, NULL WAIT_CLASS FROM DUAL WHERE :B6 > 0" + //
") ORDER BY TIME DESC, WAITS DESC) " + //
"WHERE ROWNUM <= :B7 "; //
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
print(statementList);
Assert.assertEquals(1, statementList.size());
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
statemen.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
System.out.println("relationships : " + visitor.getRelationships());
System.out.println("orderBy : " + visitor.getOrderByColumns());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("DBA_HIST_SYSTEM_EVENT")));
Assert.assertTrue(visitor.getColumns().contains(new Column("DBA_HIST_SYSTEM_EVENT", "EVENT_NAME")));
Assert.assertTrue(visitor.getColumns().contains(new Column("DBA_HIST_SYSTEM_EVENT", "TOTAL_WAITS")));
Assert.assertTrue(visitor.getColumns().contains(new Column("DBA_HIST_SYSTEM_EVENT", "TIME_WAITED_MICRO")));
Assert.assertTrue(visitor.getColumns().contains(new Column("DBA_HIST_SYSTEM_EVENT", "SNAP_ID")));
Assert.assertTrue(visitor.getColumns().contains(new Column("DBA_HIST_SYSTEM_EVENT", "INSTANCE_NUMBER")));
Assert.assertTrue(visitor.getColumns().contains(new Column("DBA_HIST_SYSTEM_EVENT", "DBID")));
Assert.assertTrue(visitor.getColumns().contains(new Column("DBA_HIST_SYSTEM_EVENT", "WAIT_CLASS")));
Assert.assertTrue(visitor.getColumns().contains(new Column("DBA_HIST_SYSTEM_EVENT", "EVENT_ID")));
Assert.assertEquals(9, visitor.getColumns().size());
// Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("pivot_table", "*")));
// Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("pivot_table", "YEAR")));
// Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("pivot_table", "order_mode")));
}
}