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| author | Sinisa@sinisa.nasamreza.org <> | 2003-08-06 18:59:26 +0300 |
|---|---|---|
| committer | Sinisa@sinisa.nasamreza.org <> | 2003-08-06 18:59:26 +0300 |
| commit | 1d2a7cadaeb687db69f5e19b83c0b9cacb9f7664 (patch) | |
| tree | cfd699e5b375e48d92e731e8b4212c3f415699d2 /sql/sql_derived.cc | |
| parent | a4483aaa1d50d12ba1119e012939dc4cc98f8ca7 (diff) | |
| parent | 3c99eb433cde2bbe2474e4a64b70bf3e0fcfa3c3 (diff) | |
| download | mariadb-git-1d2a7cadaeb687db69f5e19b83c0b9cacb9f7664.tar.gz | |
merge
Diffstat (limited to 'sql/sql_derived.cc')
| -rw-r--r-- | sql/sql_derived.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sql/sql_derived.cc b/sql/sql_derived.cc index 9ed26bc4062..81439a19918 100644 --- a/sql/sql_derived.cc +++ b/sql/sql_derived.cc @@ -122,6 +122,16 @@ int mysql_derived(THD *thd, LEX *lex, SELECT_LEX_UNIT *unit, res= -1; goto exit; } + + /* + This is done in order to redo all field optimisations when any of the + involved tables is used in the outer query + */ + if (tables) + { + for (TABLE_LIST *cursor= tables; cursor; cursor= cursor->next) + cursor->table->clear_query_id= 1; + } item_list= select_cursor->item_list; select_cursor->with_wild= 0; |