diff options
Diffstat (limited to 'mysql-test/t/func_str.test')
| -rw-r--r-- | mysql-test/t/func_str.test | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/mysql-test/t/func_str.test b/mysql-test/t/func_str.test index 032c9ade643..a570e70d81d 100644 --- a/mysql-test/t/func_str.test +++ b/mysql-test/t/func_str.test @@ -1320,6 +1320,39 @@ explain select 1 as a from t1,(select encode(f1,f1) as b from t1) a; drop table t1; +--echo # +--echo # Bug#49141: Encode function is significantly slower in 5.1 compared to 5.0 +--echo # + +--disable_warnings +DROP TABLE IF EXISTS t1, t2; +--enable_warnings + +CREATE TABLE t1 (a VARCHAR(20), b INT); +CREATE TABLE t2 (a VARCHAR(20), b INT); + +INSERT INTO t1 VALUES ('ABC', 1); +INSERT INTO t2 VALUES ('ABC', 1); + +SELECT DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), t2.a) + FROM t1,t2 WHERE t1.b = t1.b > 0 GROUP BY t2.b; + +SELECT DECODE((SELECT ENCODE('secret', 'ABC') FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), t2.a) + FROM t1,t2 WHERE t1.b = t1.b > 0 GROUP BY t2.b; + +SELECT DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), 'ABC') + FROM t1,t2 WHERE t1.b = t1.b > 0 GROUP BY t2.b; + +TRUNCATE TABLE t1; +TRUNCATE TABLE t2; + +INSERT INTO t1 VALUES ('EDF', 3), ('BCD', 2), ('ABC', 1); +INSERT INTO t2 VALUES ('EDF', 3), ('BCD', 2), ('ABC', 1); + +SELECT DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b LIMIT 1), t2.a) + FROM t2 WHERE t2.b = 1 GROUP BY t2.b; + +DROP TABLE t1, t2; --echo Start of 5.4 tests # |