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Fixed the bug mdev-12931.

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This corrects the patch for mdev-10006.
The current code supports only those semi-join nests that are placed at
the join top level. So such nests cannot depend on other tables or nests.
This commit is contained in:
Igor Babaev
2017-05-29 00:27:14 -07:00
parent e4d10e09cf
commit af4421e82d
3 changed files with 76 additions and 1 deletions
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3
sql/sql_select.cc
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@ -14493,7 +14493,8 @@ simplify_joins(JOIN *join, List<TABLE_LIST> *join_list, COND *conds, bool top,
table->table->maybe_null= FALSE;
table->outer_join= 0;
if (!(straight_join || table->straight))
table->dep_tables= table->embedding? table->embedding->dep_tables: 0;
table->dep_tables= table->embedding && !table->embedding->sj_subq_pred ?
table->embedding->dep_tables : 0;
if (table->on_expr)
{
/* Add ON expression to the WHERE or upper-level ON condition. */