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public Select ( ) : |
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//[Test]
//public virtual void TestMain()
//{
// Main(null);
// Assert.IsTrue(true);
//}
/// <exception cref="System.Exception" />
public static void Main(string[] ars)
{
var sql = Performance.SqlBenchmarkSelect;
for (var i = 0; i < 3; ++i)
{
var lexer = new MySqlLexer(sql);
var exprParser = new MySqlExprParser(lexer);
var parser = new MySqlDmlSelectParser(lexer, exprParser);
IQueryExpression stmt = parser.Select();
}
// System.out.println(stmt);
Thread.Sleep(1000);
long loop = 300*10000;
var t1 = Runtime.CurrentTimeMillis();
t1 = Runtime.CurrentTimeMillis();
for (long i_1 = 0; i_1 < loop; ++i_1)
{
var lexer = new MySqlLexer(sql);
var exprParser = new MySqlExprParser(lexer);
var parser = new MySqlDmlSelectParser(lexer, exprParser);
IQueryExpression stmt = parser.Select();
}
var t2 = Runtime.CurrentTimeMillis();
Console.Out.WriteLine((t2 - t1)*1000.0d/loop + " us");
}
//[Test]
//public virtual void TestMain()
//{
// Main(null);
// Assert.IsTrue(true);
//}
/// <exception cref="System.Exception" />
public static void Main(string[] ars)
{
var sql = Performance.SqlBenchmarkSelect;
for (var i = 0; i < 3; ++i)
{
var lexer = new MySqlLexer(sql);
var exprParser = new MySqlExprParser(lexer);
var parser = new MySqlDmlSelectParser(lexer, exprParser);
IQueryExpression stmt = parser.Select();
}
// System.out.println(stmt);
Thread.Sleep(1000);
long loop = 300 * 10000;
var t1 = Runtime.CurrentTimeMillis();
t1 = Runtime.CurrentTimeMillis();
for (long i_1 = 0; i_1 < loop; ++i_1)
{
var lexer = new MySqlLexer(sql);
var exprParser = new MySqlExprParser(lexer);
var parser = new MySqlDmlSelectParser(lexer, exprParser);
IQueryExpression stmt = parser.Select();
}
var t2 = Runtime.CurrentTimeMillis();
Console.Out.WriteLine((t2 - t1) * 1000.0d / loop + " us");
}
public virtual void TestSelectChinese()
{
var sql = "SELect t1.id , t2.* from t1, test.t2 where test.t1.id='中''‘文' and t1.id=test.t2.id";
var lexer = new MySqlLexer(sql);
var parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
var select = parser.Select();
Assert.IsNotNull(select);
var output = Output2MySql(select, sql);
Assert.AreEqual("SELECT t1.id, t2.* FROM t1, test.t2 WHERE test.t1.id = '中\\'‘文' AND t1.id = test.t2.id",
output);
}
public virtual void TestSelect()
{
var sql = "SELect t1.id , t2.* from t1, test.t2 where test.t1.id=1 and t1.id=test.t2.id";
var lexer = new MySqlLexer(sql);
var parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
var select = parser.Select();
Assert.IsNotNull(select);
var output = Output2MySql(select, sql);
Assert.AreEqual("SELECT t1.id, t2.* FROM t1, test.t2 WHERE test.t1.id = 1 AND t1.id = test.t2.id", output);
sql =
"select * from offer a straight_join wp_image b use key for join(t1,t2) on a.member_id=b.member_id inner join product_visit c where a.member_id=c.member_id and c.member_id='abc' ";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual(
"SELECT * FROM offer AS A STRAIGHT_JOIN wp_image AS B USE KEY FOR JOIN (t1, t2) ON a.member_id = b.member_id INNER JOIN product_visit AS C WHERE a.member_id = c.member_id AND c.member_id = 'abc'",
output);
sql = "SELect all tb1.id,tb2.id from tb1,tb2 where tb1.id2=tb2.id2";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT tb1.id, tb2.id FROM tb1, tb2 WHERE tb1.id2 = tb2.id2", output);
sql = "SELect distinct high_priority tb1.id,tb2.id from tb1,tb2 where tb1.id2=tb2.id2";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT DISTINCT HIGH_PRIORITY tb1.id, tb2.id FROM tb1, tb2 WHERE tb1.id2 = tb2.id2", output);
sql = "SELect distinctrow high_priority sql_small_result tb1.id,tb2.id " +
"from tb1,tb2 where tb1.id2=tb2.id2";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual(
"SELECT DISTINCTROW HIGH_PRIORITY SQL_SMALL_RESULT tb1.id, tb2.id FROM tb1, tb2 WHERE tb1.id2 = tb2.id2",
output);
sql = "SELect sql_cache id1,id2 from tb1,tb2 where tb1.id1=tb2.id1 ";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT SQL_CACHE id1, id2 FROM tb1, tb2 WHERE tb1.id1 = tb2.id1", output);
sql = "SELect sql_cache id1,max(id2) from tb1 group by id1 having id1>10 order by id3 desc";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT SQL_CACHE id1, MAX(id2) FROM tb1 GROUP BY id1 HAVING id1 > 10 ORDER BY id3 DESC",
output);
sql = "SELect SQL_BUFFER_RESULT tb1.id1,id2 from tb1";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT SQL_BUFFER_RESULT tb1.id1, id2 FROM tb1", output);
sql = "SELect SQL_no_cache tb1.id1,id2 from tb1";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT SQL_NO_CACHE tb1.id1, id2 FROM tb1", output);
sql = "SELect SQL_CALC_FOUND_ROWS tb1.id1,id2 from tb1";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT SQL_CALC_FOUND_ROWS tb1.id1, id2 FROM tb1", output);
sql = "SELect 1+1 ";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT 1 + 1", output);
sql = "SELect t1.* from tb ";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT t1.* FROM tb", output);
sql = "SELect distinct high_priority straight_join sql_big_result sql_cache tb1.id,tb2.id "
+ "from tb1,tb2 where tb1.id2=tb2.id2";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT DISTINCT HIGH_PRIORITY STRAIGHT_JOIN SQL_BIG_RESULT"
+ " SQL_CACHE tb1.id, tb2.id FROM tb1, tb2 WHERE tb1.id2 = tb2.id2", output);
sql = "SELect distinct id1,id2 from tb1,tb2 where tb1.id1=tb2.id2 for update";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT DISTINCT id1, id2 FROM tb1, tb2 WHERE tb1.id1 = tb2.id2 FOR UPDATE", output);
sql = "SELect distinct id1,id2 from tb1,tb2 where tb1.id1=tb2.id2 lock in share mode";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT DISTINCT id1, id2 FROM tb1, tb2 WHERE tb1.id1 = tb2.id2 LOCK IN SHARE MODE", output);
}
public virtual void TestSelectChinese()
{
var sql = "SELect t1.id , t2.* from t1, test.t2 where test.t1.id='中''‘文' and t1.id=test.t2.id";
var lexer = new MySqlLexer(sql);
var parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
var select = parser.Select();
Assert.IsNotNull(select);
var output = Output2MySql(select, sql);
Assert.AreEqual("SELECT t1.id, t2.* FROM t1, test.t2 WHERE test.t1.id = '中\\'‘文' AND t1.id = test.t2.id",
output);
}
public virtual void TestSelect()
{
var sql = "SELect t1.id , t2.* from t1, test.t2 where test.t1.id=1 and t1.id=test.t2.id";
var lexer = new MySqlLexer(sql);
var parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
var select = parser.Select();
Assert.IsNotNull(select);
var output = Output2MySql(select, sql);
Assert.AreEqual("SELECT t1.id, t2.* FROM t1, test.t2 WHERE test.t1.id = 1 AND t1.id = test.t2.id", output);
sql =
"select * from offer a straight_join wp_image b use key for join(t1,t2) on a.member_id=b.member_id inner join product_visit c where a.member_id=c.member_id and c.member_id='abc' ";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual(
"SELECT * FROM offer AS A STRAIGHT_JOIN wp_image AS B USE KEY FOR JOIN (t1, t2) ON a.member_id = b.member_id INNER JOIN product_visit AS C WHERE a.member_id = c.member_id AND c.member_id = 'abc'",
output);
sql = "SELect all tb1.id,tb2.id from tb1,tb2 where tb1.id2=tb2.id2";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT tb1.id, tb2.id FROM tb1, tb2 WHERE tb1.id2 = tb2.id2", output);
sql = "SELect distinct high_priority tb1.id,tb2.id from tb1,tb2 where tb1.id2=tb2.id2";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT DISTINCT HIGH_PRIORITY tb1.id, tb2.id FROM tb1, tb2 WHERE tb1.id2 = tb2.id2", output);
sql = "SELect distinctrow high_priority sql_small_result tb1.id,tb2.id " +
"from tb1,tb2 where tb1.id2=tb2.id2";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual(
"SELECT DISTINCTROW HIGH_PRIORITY SQL_SMALL_RESULT tb1.id, tb2.id FROM tb1, tb2 WHERE tb1.id2 = tb2.id2",
output);
sql = "SELect sql_cache id1,id2 from tb1,tb2 where tb1.id1=tb2.id1 ";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT SQL_CACHE id1, id2 FROM tb1, tb2 WHERE tb1.id1 = tb2.id1", output);
sql = "SELect sql_cache id1,max(id2) from tb1 group by id1 having id1>10 order by id3 desc";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT SQL_CACHE id1, MAX(id2) FROM tb1 GROUP BY id1 HAVING id1 > 10 ORDER BY id3 DESC",
output);
sql = "SELect SQL_BUFFER_RESULT tb1.id1,id2 from tb1";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT SQL_BUFFER_RESULT tb1.id1, id2 FROM tb1", output);
sql = "SELect SQL_no_cache tb1.id1,id2 from tb1";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT SQL_NO_CACHE tb1.id1, id2 FROM tb1", output);
sql = "SELect SQL_CALC_FOUND_ROWS tb1.id1,id2 from tb1";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT SQL_CALC_FOUND_ROWS tb1.id1, id2 FROM tb1", output);
sql = "SELect 1+1 ";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT 1 + 1", output);
sql = "SELect t1.* from tb ";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT t1.* FROM tb", output);
sql = "SELect distinct high_priority straight_join sql_big_result sql_cache tb1.id,tb2.id "
+ "from tb1,tb2 where tb1.id2=tb2.id2";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT DISTINCT HIGH_PRIORITY STRAIGHT_JOIN SQL_BIG_RESULT"
+ " SQL_CACHE tb1.id, tb2.id FROM tb1, tb2 WHERE tb1.id2 = tb2.id2", output);
sql = "SELect distinct id1,id2 from tb1,tb2 where tb1.id1=tb2.id2 for update";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT DISTINCT id1, id2 FROM tb1, tb2 WHERE tb1.id1 = tb2.id2 FOR UPDATE", output);
sql = "SELect distinct id1,id2 from tb1,tb2 where tb1.id1=tb2.id2 lock in share mode";
lexer = new MySqlLexer(sql);
parser = new MySqlDmlSelectParser(lexer, new MySqlExprParser(lexer));
select = parser.Select();
Assert.IsNotNull(select);
output = Output2MySql(select, sql);
Assert.AreEqual("SELECT DISTINCT id1, id2 FROM tb1, tb2 WHERE tb1.id1 = tb2.id2 LOCK IN SHARE MODE", output);
}