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Diffstat (limited to 'mysql-test/r/udf.result')
| -rw-r--r-- | mysql-test/r/udf.result | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mysql-test/r/udf.result b/mysql-test/r/udf.result index 601b364fbbe..fbf87b2e4cc 100644 --- a/mysql-test/r/udf.result +++ b/mysql-test/r/udf.result @@ -409,3 +409,18 @@ b 1 DROP TABLE t1; End of 5.0 tests. +# +# Bug#33546: Slowdown on re-evaluation of constant expressions. +# +CREATE TABLE t1 (f1 INT); +INSERT INTO t1 VALUES(1),(50); +CREATE FUNCTION myfunc_double RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB"; +EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE f1=1 + myfunc_double(1); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1003 select 1 AS `1` from `test`.`t1` where (`test`.`t1`.`f1` = <cache>((1 + myfunc_double(1 AS `1`)))) +DROP FUNCTION myfunc_double; +DROP TABLE t1; +# +End of 5.1 tests. |