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| author | Marko Mäkelä <marko.makela@mariadb.com> | 2020-05-16 06:37:24 +0300 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2020-05-16 06:37:24 +0300 |
| commit | 38d62189a83b0e7293a0ad7fcb79a5fdece3f817 (patch) | |
| tree | c315b7bfedb5b4cb412b75464e692306c4e51e97 /sql/item_subselect.cc | |
| parent | 85651269b6186b53bae804413c76f4117fa225d0 (diff) | |
| parent | 3f12a5968a56cb5030381a78b313fdb36024c7f9 (diff) | |
| download | mariadb-git-38d62189a83b0e7293a0ad7fcb79a5fdece3f817.tar.gz | |
Merge 10.2 into 10.3
Diffstat (limited to 'sql/item_subselect.cc')
| -rw-r--r-- | sql/item_subselect.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc index 2991709b0a6..715f4e7ca17 100644 --- a/sql/item_subselect.cc +++ b/sql/item_subselect.cc @@ -2159,10 +2159,13 @@ Item_in_subselect::create_single_in_to_exists_cond(JOIN *join, } else { + /* + No need to use real_item for the item, as the ref items that are possible + in the subquery either belong to views or to the parent select. + For such case we need to refer to the reference and not to the original + item. + */ Item *item= (Item*) select_lex->item_list.head(); - if (item->type() != REF_ITEM || - ((Item_ref*)item)->ref_type() != Item_ref::VIEW_REF) - item= item->real_item(); if (select_lex->table_list.elements) { |