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MDEV-5039: incorrect Item_func_regex::update_used_tables()

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Other fix of maybe_null problem and revert of revno: 3608 "MDEV-3873 & MDEV-3876 & MDEV-3912 : Wrong result (extra rows) with ALL subquery from a MERGE view."
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unknown
2013-09-25 15:30:13 +03:00
parent 779003e180
commit ec7da1561e
17 changed files with 135 additions and 170 deletions
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5
sql/sql_select.cc
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@@ -8269,7 +8269,7 @@ make_outerjoin_info(JOIN *join)
TABLE_LIST *tbl= table->pos_in_table_list;
TABLE_LIST *embedding= tbl->embedding;
if (tbl->outer_join)
if (tbl->outer_join & (JOIN_TYPE_LEFT | JOIN_TYPE_RIGHT))
{
/*
Table tab is the only one inner table for outer join.
@@ -12586,7 +12586,8 @@ simplify_joins(JOIN *join, List<TABLE_LIST> *join_list, COND *conds, bool top,
table->embedding->nested_join->not_null_tables|= not_null_tables;
}
if (!table->outer_join || (used_tables & not_null_tables))
if (!(table->outer_join & (JOIN_TYPE_LEFT | JOIN_TYPE_RIGHT)) ||
(used_tables & not_null_tables))
{
/*
For some of the inner tables there are conjunctive predicates