/*
* 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.db2;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.DB2Test;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.db2.parser.DB2StatementParser;
import com.alibaba.druid.sql.dialect.db2.visitor.DB2SchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import com.alibaba.druid.stat.TableStat.Column;
import com.alibaba.druid.util.JdbcConstants;
public class DB2SelectTest_21 extends DB2Test {
public void test_0() throws Exception {
String sql = "SELECT EMPNO.nextval FROM SYSIBM.SYSDUMMY1";
DB2StatementParser parser = new DB2StatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
print(statementList);
Assert.assertEquals(1, statementList.size());
DB2SchemaStatVisitor visitor = new DB2SchemaStatVisitor();
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(0, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("SYSIBM.SYSDUMMY1")));
// Assert.assertTrue(visitor.getColumns().contains(new Column("DSN8B10.EMP", "WORKDEPT")));
// Assert.assertTrue(visitor.getColumns().contains(new Column("mytable", "first_name")));
// Assert.assertTrue(visitor.getColumns().contains(new Column("mytable", "full_name")));
Assert.assertEquals("SELECT EMPNO.NEXTVAL"
+ "\nFROM SYSIBM.SYSDUMMY1", //
SQLUtils.toSQLString(stmt, JdbcConstants.DB2));
Assert.assertEquals("select EMPNO.nextval"
+ "\nfrom SYSIBM.SYSDUMMY1", //
SQLUtils.toSQLString(stmt, JdbcConstants.DB2, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
}
}