diff options
Diffstat (limited to 'sql/item_subselect.cc')
| -rw-r--r-- | sql/item_subselect.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc index d373b017db7..27c7b2ce88d 100644 --- a/sql/item_subselect.cc +++ b/sql/item_subselect.cc @@ -1752,6 +1752,15 @@ Item_in_subselect::single_value_transformer(JOIN *join) */ where_item->walk(&Item::remove_dependence_processor, 0, (uchar *) select_lex->outer_select()); + /* + fix_field of substitution item will be done in time of + substituting. + Note that real_item() should be used instead of + original left expression because left_expr can be + runtime created Ref item which is deleted at the end + of the statement. Thus one of 'substitution' arguments + can be broken in case of PS. + */ substitution= func->create(left_expr, where_item); have_to_be_excluded= 1; if (thd->lex->describe) |