/*
* 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.mysql.update;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.MysqlTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import com.alibaba.druid.stat.TableStat.Column;
public class MySqlUpdateTest_3 extends MysqlTest {
public void test_0() throws Exception {
String sql = "update scheme.table set col_1 = 1, col2 = '2' " //
+ "where col_3 = 3 and (length(col_4) > 4 or col_5 <> '5')";
MySqlStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
// print(statementList);
Assert.assertEquals(1, statementList.size());
MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
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(5, visitor.getColumns().size());
Assert.assertEquals(3, visitor.getConditions().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("scheme.table")));
Assert.assertTrue(visitor.getColumns().contains(new Column("scheme.table", "col_1")));
Assert.assertTrue(visitor.getColumns().contains(new Column("scheme.table", "col2")));
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("UPDATE scheme.table" //
+ "\nSET col_1 = 1, col2 = '2'"//
+ "\nWHERE col_3 = 3" //
+ "\n\tAND (length(col_4) > 4" //
+ "\n\t\tOR col_5 <> '5')", //
output);
}
}