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| author | Monty <monty@mariadb.org> | 2018-01-26 15:04:20 +0200 |
|---|---|---|
| committer | Monty <monty@mariadb.org> | 2018-01-26 15:04:20 +0200 |
| commit | 204739df145077621797cd68cc18ecec609675be (patch) | |
| tree | 6d93d208266b2794c4560522dc355554a61074d6 /sql/sql_select.cc | |
| parent | 859d100d70a9dba222b229bbc0d5a01194e8ed5f (diff) | |
| download | mariadb-git-204739df145077621797cd68cc18ecec609675be.tar.gz | |
Fixed memory overrun in create_postjoin_aggr_table()
Diffstat (limited to 'sql/sql_select.cc')
| -rw-r--r-- | sql/sql_select.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 6b1d406bf8a..a98477d2839 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -2910,6 +2910,7 @@ JOIN::create_postjoin_aggr_table(JOIN_TAB *tab, List<Item> *table_fields, THD_STAGE_INFO(thd, stage_sorting_for_group); if (ordered_index_usage != ordered_index_group_by && + !only_const_tables() && (join_tab + const_tables)->type != JT_CONST && // Don't sort 1 row !implicit_grouping && add_sorting_to_table(join_tab + const_tables, group_list)) @@ -2943,6 +2944,7 @@ JOIN::create_postjoin_aggr_table(JOIN_TAB *tab, List<Item> *table_fields, THD_STAGE_INFO(thd, stage_sorting_for_order); if (ordered_index_usage != ordered_index_order_by && + !only_const_tables() && add_sorting_to_table(join_tab + const_tables, order)) goto err; order= NULL; |