summaryrefslogtreecommitdiff
path: root/mysql-test/t/udf.test
diff options
context:
space:
mode:
Diffstat (limited to 'mysql-test/t/udf.test')
-rw-r--r--mysql-test/t/udf.test14
1 files changed, 14 insertions, 0 deletions
diff --git a/mysql-test/t/udf.test b/mysql-test/t/udf.test
index 7bf252040e5..7e383ce69fa 100644
--- a/mysql-test/t/udf.test
+++ b/mysql-test/t/udf.test
@@ -449,3 +449,17 @@ SELECT IF( a = 1, a, a ) AS `b` FROM t1 ORDER BY field( `b`, 1 );
DROP TABLE t1;
--echo End of 5.0 tests.
+
+--echo #
+--echo # Bug#33546: Slowdown on re-evaluation of constant expressions.
+--echo #
+CREATE TABLE t1 (f1 INT);
+INSERT INTO t1 VALUES(1),(50);
+--replace_result $UDF_EXAMPLE_LIB UDF_EXAMPLE_LIB
+eval CREATE FUNCTION myfunc_double RETURNS INTEGER SONAME "$UDF_EXAMPLE_LIB";
+EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE f1=1 + myfunc_double(1);
+DROP FUNCTION myfunc_double;
+DROP TABLE t1;
+--echo #
+--echo End of 5.1 tests.
+