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| author | Igor Babaev <igor@askmonty.org> | 2013-01-23 15:18:05 -0800 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2013-01-23 15:18:05 -0800 |
| commit | 32151409c13ddc09ebda7cd02fdfe40db290503e (patch) | |
| tree | 86997a41bbc6c4379209af0cccdb4ae612c8d4f4 /sql/item_row.cc | |
| parent | f1e758dc6f4183a8e3856d21c95f7e4973c585c1 (diff) | |
| parent | 746152959a8787f3c7cf6b1c710fc1ee6c54419f (diff) | |
| download | mariadb-git-32151409c13ddc09ebda7cd02fdfe40db290503e.tar.gz | |
Merge 5.3->5.5
Diffstat (limited to 'sql/item_row.cc')
| -rw-r--r-- | sql/item_row.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/item_row.cc b/sql/item_row.cc index 2c4a628075e..cfd2f34095c 100644 --- a/sql/item_row.cc +++ b/sql/item_row.cc @@ -145,11 +145,13 @@ void Item_row::update_used_tables() { used_tables_cache= 0; const_item_cache= 1; + maybe_null= 0; for (uint i= 0; i < arg_count; i++) { items[i]->update_used_tables(); used_tables_cache|= items[i]->used_tables(); const_item_cache&= items[i]->const_item(); + maybe_null|= items[i]->maybe_null; } } |