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| author | Oleksandr Byelkin <sanja@mariadb.com> | 2016-06-23 17:50:07 +0200 |
|---|---|---|
| committer | Oleksandr Byelkin <sanja@mariadb.com> | 2016-08-29 16:17:46 +0200 |
| commit | a02642b66e06f95b80fa9ee592ba50eb61dc2f17 (patch) | |
| tree | 32474ae49d56b0b502f0284ecb8b1587544c1f6e /sql/item_sum.cc | |
| parent | 00d84eada2806431fdd10f4dbcffdff450be2ee0 (diff) | |
| download | mariadb-git-a02642b66e06f95b80fa9ee592ba50eb61dc2f17.tar.gz | |
MDEV-10017: Get unexpected `Empty Set` for correlated subquery with aggregate functions (part 1)mariadb-10.1.17
Make aggregate function dependency visible.
Diffstat (limited to 'sql/item_sum.cc')
| -rw-r--r-- | sql/item_sum.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sql/item_sum.cc b/sql/item_sum.cc index 5220521b95a..540eefcc79a 100644 --- a/sql/item_sum.cc +++ b/sql/item_sum.cc @@ -380,6 +380,16 @@ bool Item_sum::register_sum_func(THD *thd, Item **ref) sl->master_unit()->item->with_sum_func= 1; } thd->lex->current_select->mark_as_dependent(thd, aggr_sel, NULL); + + if ((thd->lex->describe & DESCRIBE_EXTENDED) && aggr_sel) + { + push_warning_printf(thd, Sql_condition::WARN_LEVEL_NOTE, + ER_WARN_AGGFUNC_DEPENDENCE, + ER_THD(thd, ER_WARN_AGGFUNC_DEPENDENCE), + func_name(), + thd->lex->current_select->select_number, + aggr_sel->select_number); + } return FALSE; } |