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| author | Igor Babaev <igor@askmonty.org> | 2011-10-22 00:14:27 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2011-10-22 00:14:27 -0700 |
| commit | fdf789a7eadf864ecc0e617f25f795fafda55026 (patch) | |
| tree | 3435f1ab04045ad0e94c7b3b59eaada904d06c1a /sql/sql_lex.cc | |
| parent | b117a3c453a9a8a67906aa2bb06648c213a85b35 (diff) | |
| download | mariadb-git-fdf789a7eadf864ecc0e617f25f795fafda55026.tar.gz | |
Fixed LP bug #874378.
This bug happened for the queries over multi-table mergeable views
because the bitmap TABLE::read_set of the underlying tables were not
updated after the views had been merged into the query.
Now this bitmaps are updated properly.
Also the bitmap TABLE::merge_keys now is updated in prevention of
future bugs.
Diffstat (limited to 'sql/sql_lex.cc')
| -rw-r--r-- | sql/sql_lex.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc index 64e295d82ea..cc10cd5dee3 100644 --- a/sql/sql_lex.cc +++ b/sql/sql_lex.cc @@ -3411,7 +3411,7 @@ void SELECT_LEX::update_used_tables() while ((tl= ti++)) { TABLE_LIST *embedding; - if (tl->table) + if (tl->table && !tl->is_view_or_derived()) { embedding= tl->embedding; for (embedding= tl->embedding; embedding; embedding=embedding->embedding) @@ -3422,6 +3422,9 @@ void SELECT_LEX::update_used_tables() TABLE *tab= tl->table; tab->covering_keys= tab->s->keys_for_keyread; tab->covering_keys.intersect(tab->keys_in_use_for_query); + tab->merge_keys.clear_all(); + bitmap_clear_all(tab->read_set); + bitmap_clear_all(tab->vcol_set); break; } } |