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-rw-r--r--sql/sql_show.cc15
1 files changed, 8 insertions, 7 deletions
diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index c2ae37248b8..d1a24345443 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -8156,13 +8156,14 @@ bool get_schema_tables_result(JOIN *join,
TABLE_LIST *table_list= tab->table->pos_in_table_list;
if (table_list->schema_table && thd->fill_information_schema_tables())
{
-#if MYSQL_VERSION_ID > 100105
-#error I_S tables only need to be re-populated if make_cond_for_info_schema() will preserve outer fields
- bool is_subselect= (&lex->unit != lex->current_select->master_unit() &&
- lex->current_select->master_unit()->item);
-#else
-#define is_subselect false
-#endif
+ /*
+ I_S tables only need to be re-populated if make_cond_for_info_schema()
+ preserves outer fields
+ */
+ bool is_subselect= &lex->unit != lex->current_select->master_unit() &&
+ lex->current_select->master_unit()->item &&
+ tab->select_cond &&
+ tab->select_cond->used_tables() & OUTER_REF_TABLE_BIT;
/* A value of 0 indicates a dummy implementation */
if (table_list->schema_table->fill_table == 0)