diff options
Diffstat (limited to 'sql/sql_select.cc')
| -rw-r--r-- | sql/sql_select.cc | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 8ce5c9703ef..25d6f723628 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -15801,8 +15801,8 @@ create_tmp_table(THD *thd, TMP_TABLE_PARAM *param, List<Item> &fields, uint temp_pool_slot=MY_BIT_NONE; uint fieldnr= 0; ulong reclength, string_total_length; - bool using_unique_constraint= 0; - bool use_packed_rows= 0; + bool using_unique_constraint= false; + bool use_packed_rows= false; bool not_all_columns= !(select_options & TMP_TABLE_ALL_COLUMNS); char *tmpname,path[FN_REFLEN]; uchar *pos, *group_buff, *bitmaps; @@ -15875,10 +15875,10 @@ create_tmp_table(THD *thd, TMP_TABLE_PARAM *param, List<Item> &fields, */ (*tmp->item)->marker=4; // Store null in key if ((*tmp->item)->too_big_for_varchar()) - using_unique_constraint=1; + using_unique_constraint= true; } if (param->group_length >= MAX_BLOB_WIDTH) - using_unique_constraint=1; + using_unique_constraint= true; if (group) distinct=0; // Can't use distinct } @@ -16131,12 +16131,14 @@ create_tmp_table(THD *thd, TMP_TABLE_PARAM *param, List<Item> &fields, *blob_field++= fieldnr; blob_count++; } + if (new_field->real_type() == MYSQL_TYPE_STRING || new_field->real_type() == MYSQL_TYPE_VARCHAR) { string_count++; string_total_length+= new_field->pack_length(); } + if (item->marker == 4 && item->maybe_null) { group_null_items++; @@ -16189,7 +16191,7 @@ create_tmp_table(THD *thd, TMP_TABLE_PARAM *param, List<Item> &fields, if (group && (param->group_parts > table->file->max_key_parts() || param->group_length > table->file->max_key_length())) - using_unique_constraint=1; + using_unique_constraint= true; } else { @@ -17102,7 +17104,10 @@ bool create_internal_tmp_table(TABLE *table, KEY *keyinfo, start_recinfo, share->uniques, &uniquedef, &create_info, - HA_CREATE_TMP_TABLE | HA_CREATE_INTERNAL_TABLE))) + HA_CREATE_TMP_TABLE | HA_CREATE_INTERNAL_TABLE | + ((share->db_create_options & HA_OPTION_PACK_RECORD) ? + HA_PACK_RECORD : 0) + ))) { table->file->print_error(error,MYF(0)); /* purecov: inspected */ table->db_stat=0; |