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| author | unknown <sanja@askmonty.org> | 2012-12-28 14:41:46 +0200 |
|---|---|---|
| committer | unknown <sanja@askmonty.org> | 2012-12-28 14:41:46 +0200 |
| commit | 6f26aac9409e3456798e58a4ee4306e43c7ebf7b (patch) | |
| tree | df8ad17736247d1493460205865fb75757a00ae1 /support-files/my-huge.cnf.sh | |
| parent | e99aa91e90adfd54cc1f460dd8cdd19614f30abc (diff) | |
| download | mariadb-git-6f26aac9409e3456798e58a4ee4306e43c7ebf7b.tar.gz | |
MDEV-3873 & MDEV-3876 & MDEV-3912 : Wrong result (extra rows) with ALL subquery
from a MERGE view.
The problem was in the lost ability to be null for the table of a left join if it
is a view/derived table.
It hapenned because setup_table_map(), was called earlier then we merged
the view or derived.
Fixed by propagating new maybe_null flag during Item::update_used_tables().
Change in join_outer.test and join_outer_jcl6.test appeared because
IS NULL reported no used tables (i.e. constant) for argument which could not be
NULL and new maybe_null flag was propagated for IS NULL argument (Item_field)
because table the Item_field belonged to changed its maybe_null status.
Diffstat (limited to 'support-files/my-huge.cnf.sh')
0 files changed, 0 insertions, 0 deletions