diff options
Diffstat (limited to 'sql/sql_show.cc')
| -rw-r--r-- | sql/sql_show.cc | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/sql/sql_show.cc b/sql/sql_show.cc index e891fa89adc..16f391c66e6 100644 --- a/sql/sql_show.cc +++ b/sql/sql_show.cc @@ -4800,6 +4800,9 @@ end: @param[in] table TABLE struct for I_S table @param[in] db_name database name @param[in] table_name table name + @param[in] is_temp flag for temporary table + (prevent call of ha_table_exists + in case of shadowing base table) @return Operation status @retval 0 success @@ -4808,7 +4811,8 @@ end: static int fill_schema_table_names(THD *thd, TABLE_LIST *tables, LEX_CSTRING *db_name, - LEX_CSTRING *table_name) + LEX_CSTRING *table_name, + bool is_temp= false) { TABLE *table= tables->table; if (db_name == &INFORMATION_SCHEMA_NAME) @@ -4823,7 +4827,7 @@ static int fill_schema_table_names(THD *thd, TABLE_LIST *tables, bool is_sequence; if (ha_table_exists(thd, db_name, table_name, NULL, NULL, - &hton, &is_sequence)) + &hton, &is_sequence) && !is_temp) { if (hton == view_pseudo_hton) table->field[3]->store(STRING_WITH_LEN("VIEW"), cs); @@ -4833,7 +4837,12 @@ static int fill_schema_table_names(THD *thd, TABLE_LIST *tables, table->field[3]->store(STRING_WITH_LEN("BASE TABLE"), cs); } else - table->field[3]->store(STRING_WITH_LEN("ERROR"), cs); + { + if (is_temp) + table->field[3]->store(STRING_WITH_LEN("TEMPORARY TABLE"), cs); + else + table->field[3]->store(STRING_WITH_LEN("ERROR"), cs); + } if (unlikely(thd->is_error() && thd->get_stmt_da()->sql_errno() == ER_NO_SUCH_TABLE)) @@ -5300,8 +5309,11 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond) init_alloc_root(PSI_INSTRUMENT_ME, &tmp_mem_root, SHOW_ALLOC_BLOCK_SIZE, SHOW_ALLOC_BLOCK_SIZE, MY_THREAD_SPECIFIC); - /* Handling session temporary tables from the backup state */ - if (schema_table_idx == SCH_TABLES && open_tables_state_backup.temporary_tables) + /* Handling session temporary tables from the backup state for table IS.tables + and SHOW TABLES commands. + */ + if ((schema_table_idx == SCH_TABLES || schema_table_idx == SCH_TABLE_NAMES) && \ + open_tables_state_backup.temporary_tables) { All_tmp_tables_list::Iterator it(*open_tables_state_backup.temporary_tables); TMP_TABLE_SHARE *share_temp; @@ -5330,7 +5342,11 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond) if ((!partial_cond || partial_cond->val_int()) && (!wild || !wild_compare(table_name->str, wild, 0))) { - process_i_s_table_temporary_tables(thd, table, tmp_tbl); + if (schema_table_idx == SCH_TABLE_NAMES) + fill_schema_table_names(thd, tables, &tmp_tbl->s->db, + &tmp_tbl->s->table_name, true); + else + process_i_s_table_temporary_tables(thd, table, tmp_tbl); break; } } @@ -5913,7 +5929,6 @@ void process_i_s_table_temporary_tables(THD *thd, TABLE *table, TABLE *tmp_tbl) TABLE_LIST table_list; bzero((char*) &table_list, sizeof(TABLE_LIST)); table_list.table= tmp_tbl; - get_schema_tables_record(thd, &table_list, table, 0, &tmp_tbl->s->db, &tmp_tbl->s->table_name); } |