/*
* 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.block;
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;
public class OracleBlockTest7 extends OracleTest {
public void test_0() throws Exception {
String sql = "DROP TABLE employees_temp; " + //
"CREATE TABLE employees_temp AS " + //
" SELECT employee_id, first_name, last_name " + //
" FROM employees;" + //
" " + //
"DECLARE" + //
" emp_id employees_temp.employee_id%TYPE := 299;" + //
" emp_first_name employees_temp.first_name%TYPE := 'Bob';" + //
" emp_last_name employees_temp.last_name%TYPE := 'Henry';" + //
"BEGIN" + //
" INSERT INTO employees_temp (employee_id, first_name, last_name) " + //
" VALUES (emp_id, emp_first_name, emp_last_name);" + //
" " + //
" UPDATE employees_temp" + //
" SET first_name = 'Robert'" + //
" WHERE employee_id = emp_id;" + //
" " + //
" DELETE FROM employees_temp" + //
" WHERE employee_id = emp_id" + //
" RETURNING first_name, last_name" + //
" INTO emp_first_name, emp_last_name;" + //
"" + //
" COMMIT;" + //
" DBMS_OUTPUT.PUT_LINE (emp_first_name || ' ' || emp_last_name);" + //
"END;"; //
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
print(statementList);
Assert.assertEquals(3, statementList.size());
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
for (SQLStatement statement : statementList) {
statement.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(2, visitor.getTables().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees")));
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees_temp")));
Assert.assertEquals(6, visitor.getColumns().size());
Assert.assertEquals(2, visitor.getConditions().size());
Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "employee_id")));
}
}