/*
* 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 com.alibaba.druid.sql.OracleTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import com.alibaba.druid.util.JdbcConstants;
import java.util.List;
public class OracleSelectTest_hierarchical_CONNECT_BY_ISCYCLE extends OracleTest {
public void test_0() throws Exception {
String sql = "SELECT last_name \"Employee\", CONNECT_BY_ISCYCLE \"Cycle\",\n" +
" LEVEL, SYS_CONNECT_BY_PATH(last_name, '/') \"Path\"\n" +
" FROM employees\n" +
" WHERE level <= 3 AND department_id = 80\n" +
" START WITH last_name = 'King'\n" +
" CONNECT BY NOCYCLE PRIOR employee_id = manager_id AND LEVEL <= 4;"; //
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
SQLStatement statemen = statementList.get(0);
print(statementList);
assertEquals(1, statementList.size());
SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.ORACLE);
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());
assertEquals(1, visitor.getTables().size());
assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees")));
assertEquals(4, 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")));
}
}