diff options
Diffstat (limited to 'sql/item_strfunc.cc')
-rw-r--r-- | sql/item_strfunc.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc index cffeeb7256e..000d198eb0c 100644 --- a/sql/item_strfunc.cc +++ b/sql/item_strfunc.cc @@ -1612,6 +1612,18 @@ bool Item_func_ucase::fix_length_and_dec() } +bool Item_func_left::hash_not_null(Hasher *hasher) +{ + StringBuffer<STRING_BUFFER_USUAL_SIZE> buf; + String *str= val_str(&buf); + DBUG_ASSERT((str == NULL) == null_value); + if (!str) + return true; + hasher->add(collation.collation, str->ptr(), str->length()); + return false; +} + + String *Item_func_left::val_str(String *str) { DBUG_ASSERT(fixed == 1); |