mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-05-03 13:45:34 +02:00
Code Issues Projects Releases Packages Wiki Activity

MDEV-5535: Cannot reopen temporary table

Browse source 
mysqld maintains a list of TABLE objects for all temporary
tables created within a session in THD. Here each table is
represented by a TABLE object.

A query referencing a particular temporary table for more
than once, however, failed with ER_CANT_REOPEN_TABLE error
because a TABLE_SHARE was allocate together with the TABLE,
so temporary tables always had only one TABLE per TABLE_SHARE.

This patch lift this restriction by separating TABLE and
TABLE_SHARE objects and storing TABLE_SHAREs for temporary
tables in a list in THD, and TABLEs in a list within their
respective TABLE_SHAREs.
This commit is contained in:
Nirbhay Choubey 2016-06-10 16:19:59 -04:00
commit 7305be2f7e
50 changed files with 2313 additions and 1258 deletions
Download patch file Download diff file Expand all files Collapse all files

5
sql/sql_db.cc
View file

@ -1,6 +1,6 @@
/*
Copyright (c) 2000, 2014, Oracle and/or its affiliates.
Copyright (c) 2009, 2015, MariaDB
Copyright (c) 2009, 2016, MariaDB Corporation
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -886,7 +886,8 @@ mysql_rm_db_internal(THD *thd,char *db, bool if_exists, bool silent)
{
LEX_STRING db_name= { table->db, table->db_length };
LEX_STRING table_name= { table->table_name, table->table_name_length };
if (table->open_type == OT_BASE_ONLY || !find_temporary_table(thd, table))
if (table->open_type == OT_BASE_ONLY ||
!thd->find_temporary_table(table))
(void) delete_statistics_for_table(thd, &db_name, &table_name);
}
}