diff options
Diffstat (limited to 'sql/sql_select.cc')
-rw-r--r-- | sql/sql_select.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index c2b5662d436..f464c237d78 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -3554,9 +3554,12 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields, param->recinfo=recinfo; store_record(table,2); // Make empty default record - table->max_rows=(((table->db_type == DB_TYPE_HEAP) ? - min(tmp_table_size, max_heap_table_size) : tmp_table_size)/ - table->reclength); + if (tmp_table_size == ~(ulong) 0) // No limit + table->max_rows= ~(ha_rows) 0; + else + table->max_rows=(((table->db_type == DB_TYPE_HEAP) ? + min(tmp_table_size, max_heap_table_size) : + tmp_table_size)/ table->reclength); set_if_bigger(table->max_rows,1); // For dummy start options keyinfo=param->keyinfo; |