diff options
| author | unknown <bar@mysql.com> | 2005-03-24 18:10:46 +0400 |
|---|---|---|
| committer | unknown <bar@mysql.com> | 2005-03-24 18:10:46 +0400 |
| commit | 9b2e4c7c60b3cbb9e1f9e19c011656f5708e7015 (patch) | |
| tree | 81eae1c53c9ad3b50b7abb5e8f22486ae989ca6b /sql/item_strfunc.h | |
| parent | 2621e38bf950879dd339d780d565f44df837c8c4 (diff) | |
| download | mariadb-git-9b2e4c7c60b3cbb9e1f9e19c011656f5708e7015.tar.gz | |
Fixed that LEFT OUTER JOIN was replaced with a regulat join
in some cases, because "charset(x) = 'string'" was considered
as "x is not null" due to incorrect not_null_tables().
Diffstat (limited to 'sql/item_strfunc.h')
| -rw-r--r-- | sql/item_strfunc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/item_strfunc.h b/sql/item_strfunc.h index 0c3ed32fb68..323b52b826c 100644 --- a/sql/item_strfunc.h +++ b/sql/item_strfunc.h @@ -641,7 +641,9 @@ public: { collation.set(system_charset_info); max_length= 64 * collation.collation->mbmaxlen; // should be enough + maybe_null= 0; }; + table_map not_null_tables() const { return 0; } }; class Item_func_collation :public Item_str_func @@ -654,7 +656,9 @@ public: { collation.set(system_charset_info); max_length= 64 * collation.collation->mbmaxlen; // should be enough + maybe_null= 0; }; + table_map not_null_tables() const { return 0; } }; class Item_func_crc32 :public Item_int_func |