diff options
Diffstat (limited to 'sql/item_sum.cc')
| -rw-r--r-- | sql/item_sum.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/item_sum.cc b/sql/item_sum.cc index 408e5d941ae..1c236e19bda 100644 --- a/sql/item_sum.cc +++ b/sql/item_sum.cc @@ -839,6 +839,10 @@ bool Item_sum_count_distinct::add() copy_fields(tmp_table_param); copy_funcs(tmp_table_param->funcs); + for (Field **field=table->field ; *field ; field++) + if ((*field)->is_real_null(0)) + return 0; // Don't count NULL + if ((error=table->file->write_row(table->record[0]))) { if (error != HA_ERR_FOUND_DUPP_KEY && |