diff options
Diffstat (limited to 'sql/opt_range.cc')
| -rw-r--r-- | sql/opt_range.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index 98be3639a06..b95b97d670f 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -697,7 +697,9 @@ int SQL_SELECT::test_quick_select(key_map keys_to_use, table_map prev_tables, ** and that all key blocks are half full (normally things are ** much better) */ - uint keys_per_block= head->file->block_size/2/head->key_info[param.real_keynr[idx]].key_length+1; + uint keys_per_block= head->file->block_size/2/ + (head->key_info[param.real_keynr[idx]].key_length+ + head->file->ref_length) + 1; found_read_time=((double) (found_records+keys_per_block-1)/ (double) keys_per_block); } |