/*
* 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;
import java.util.List;
import org.junit.Assert;
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.MySqlOutputVisitor;
import com.alibaba.druid.sql.parser.SQLStatementParser;
import junit.framework.TestCase;
public class SELECT_Syntax_Test extends TestCase {
public void test_0() throws Exception {
String sql = "SELECT year, SUM(profit) FROM sales GROUP BY year WITH ROLLUP;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
SQLStatement stmt = stmtList.get(0);
Assert.assertEquals("SELECT year, SUM(profit)\nFROM sales\nGROUP BY year WITH ROLLUP", SQLUtils.toMySqlString(stmt));
Assert.assertEquals("select year, sum(profit)\nfrom sales\ngroup by year with rollup", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
}
public void test_1() throws Exception {
String sql = "SELECT * FROM T FOR UPDATE;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT *\nFROM T\nFOR UPDATE;", text);
}
public void test_with_cube() throws Exception {
String sql = "SELECT year, SUM(profit) FROM sales GROUP BY year WITH CUBE;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
SQLStatement stmt = stmtList.get(0);
Assert.assertEquals("SELECT year, SUM(profit)\nFROM sales\nGROUP BY year WITH CUBE", SQLUtils.toMySqlString(stmt));
Assert.assertEquals("select year, sum(profit)\nfrom sales\ngroup by year with cube", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
}
public void test_2() throws Exception {
String sql = "SELECT * FROM T LOCK IN SHARE MODE;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT *\nFROM T\nLOCK IN SHARE MODE;", text);
}
public void test_3() throws Exception {
String sql = "SELECT a,b,a+b INTO OUTFILE '/tmp/result.txt' FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '\"' LINES TERMINATED BY '\\n' FROM test_table;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT a, b, a + b\nINTO OUTFILE '/tmp/result.txt' COLUMNS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '\"' LINES TERMINATED BY '\n'\nFROM test_table;",
text);
}
public void test_4() throws Exception {
String sql = "SELECT 1 + 1 FROM DUAL;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 1 + 1\nFROM DUAL;", text);
}
public void test_5() throws Exception {
String sql = "SELECT 1 + 1;";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT 1 + 1;", text);
}
public void test_6() throws Exception {
String sql = "SELECT * FROM t1 WHERE column1 = (SELECT column1 FROM t2);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT *\nFROM t1\nWHERE column1 = (\n\tSELECT column1\n\tFROM t2\n\t);", text);
}
public void test_7() throws Exception {
String sql = "SELECT column1 FROM t1 WHERE EXISTS (SELECT * FROM t2);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT column1" //
+ "\nFROM t1" //
+ "\nWHERE EXISTS (" //
+ "\n\tSELECT *" //
+ "\n\tFROM t2"
+ "\n\t);", text);
}
public void test_8() throws Exception {
String sql = "SELECT DISTINCT store_type FROM stores WHERE NOT EXISTS (SELECT * FROM cities_stores WHERE cities_stores.store_type = stores.store_type);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT DISTINCT store_type" //
+ "\nFROM stores" //
+ "\nWHERE NOT EXISTS (" //
+ "\n\tSELECT *"
+ "\n\tFROM cities_stores"
+ "\n\tWHERE cities_stores.store_type = stores.store_type"
+ "\n\t);",
text);
}
public void test_9() throws Exception {
String sql = "SELECT s1 FROM t1 WHERE s1 = SOME (SELECT s1 FROM t2);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT s1\nFROM t1\nWHERE s1 = SOME (SELECT s1\n\tFROM t2);", text);
}
public void test_10() throws Exception {
String sql = "SELECT s1 FROM t1 WHERE s1 = ANY (SELECT s1 FROM t2);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT s1\nFROM t1\nWHERE s1 = ANY (SELECT s1\n\tFROM t2);", text);
}
public void test_11() throws Exception {
String sql = "SELECT s1 FROM t1 WHERE s1 > ALL (SELECT s1 FROM t2);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
String text = output(stmtList);
Assert.assertEquals("SELECT s1\nFROM t1\nWHERE s1 > ALL (SELECT s1\n\tFROM t2);", text);
}
public void test_12() throws Exception {
String sql = "SELECT s1 FROM t1 WHERE s1 NOT IN (SELECT s1 FROM t2);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
SQLStatement stmt = stmtList.get(0);
Assert.assertEquals("SELECT s1\nFROM t1\nWHERE s1 NOT IN (SELECT s1\n\tFROM t2)", SQLUtils.toMySqlString(stmt));
Assert.assertEquals("select s1\nfrom t1\nwhere s1 not in (select s1\n\tfrom t2)", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
}
public void test_13() throws Exception {
String sql = "SELECT s1 FROM t1 WHERE s1 IN (SELECT s1 FROM t2);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
SQLStatement stmt = stmtList.get(0);
Assert.assertEquals("SELECT s1\nFROM t1\nWHERE s1 IN (SELECT s1\n\tFROM t2)", SQLUtils.toMySqlString(stmt));
Assert.assertEquals("select s1\nfrom t1\nwhere s1 in (select s1\n\tfrom t2)", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
}
public void test_14() throws Exception {
String sql = "SELECT s1 FROM t1 WHERE s1 IN (?, ?, ?);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
SQLStatement stmt = stmtList.get(0);
Assert.assertEquals("SELECT s1\nFROM t1\nWHERE s1 IN (?, ?, ?)", SQLUtils.toMySqlString(stmt));
Assert.assertEquals("select s1\nfrom t1\nwhere s1 in (?, ?, ?)", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
}
public void test_15() throws Exception {
String sql = "SELECT s1 FROM t1 WHERE s1 NOT IN (?, ?, ?);";
SQLStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
SQLStatement stmt = stmtList.get(0);
Assert.assertEquals("SELECT s1\nFROM t1\nWHERE s1 NOT IN (?, ?, ?)", SQLUtils.toMySqlString(stmt));
Assert.assertEquals("select s1\nfrom t1\nwhere s1 not in (?, ?, ?)", SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
}
private String output(List<SQLStatement> stmtList) {
StringBuilder out = new StringBuilder();
for (SQLStatement stmt : stmtList) {
stmt.accept(new MySqlOutputVisitor(out));
out.append(";");
}
return out.toString();
}
}