diff options
| -rw-r--r-- | mysql-test/r/select.result | 10 | ||||
| -rw-r--r-- | mysql-test/t/select.test | 9 | ||||
| -rw-r--r-- | sql/item_cmpfunc.cc | 2 |
3 files changed, 20 insertions, 1 deletions
diff --git a/mysql-test/r/select.result b/mysql-test/r/select.result index d0b2a575a32..1750051289a 100644 --- a/mysql-test/r/select.result +++ b/mysql-test/r/select.result @@ -4609,4 +4609,14 @@ HAVING v <= 't' ORDER BY pk; v DROP TABLE t1; +# +# Bug#49489 Uninitialized cache led to a wrong result. +# +CREATE TABLE t1(c1 DOUBLE(5,4)); +INSERT INTO t1 VALUES (9.1234); +SELECT * FROM t1 WHERE c1 < 9.12345; +c1 +9.1234 +DROP TABLE t1; +# End of test for bug#49489. End of 5.1 tests diff --git a/mysql-test/t/select.test b/mysql-test/t/select.test index ac65e5cbaf5..982aec726f7 100644 --- a/mysql-test/t/select.test +++ b/mysql-test/t/select.test @@ -3964,4 +3964,13 @@ ORDER BY pk; DROP TABLE t1; +--echo # +--echo # Bug#49489 Uninitialized cache led to a wrong result. +--echo # +CREATE TABLE t1(c1 DOUBLE(5,4)); +INSERT INTO t1 VALUES (9.1234); +SELECT * FROM t1 WHERE c1 < 9.12345; +DROP TABLE t1; +--echo # End of test for bug#49489. + --echo End of 5.1 tests diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc index 5415d6f4f8a..a3c3051d790 100644 --- a/sql/item_cmpfunc.cc +++ b/sql/item_cmpfunc.cc @@ -1023,7 +1023,7 @@ Item** Arg_comparator::cache_converted_constant(THD *thd, Item **value, (*value)->const_item() && type != (*value)->result_type()) { Item_cache *cache= Item_cache::get_cache(*value, type); - cache->store(*value); + cache->setup(*value); *cache_item= cache; return cache_item; } |