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-rw-r--r--sql/sql_handler.cc37
1 files changed, 35 insertions, 2 deletions
diff --git a/sql/sql_handler.cc b/sql/sql_handler.cc
index 7dcc6fa0e95..673af54ffeb 100644
--- a/sql/sql_handler.cc
+++ b/sql/sql_handler.cc
@@ -1,5 +1,5 @@
-/* Copyright (c) 2001, 2013, Oracle and/or its affiliates.
- Copyright (c) 2011, 2013, Monty Program Ab.
+/* Copyright (c) 2001, 2015, Oracle and/or its affiliates.
+ Copyright (c) 2011, 2015, MariaDB
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
@@ -1190,3 +1190,36 @@ void mysql_ha_set_explicit_lock_duration(THD *thd)
DBUG_VOID_RETURN;
}
+
+/**
+ Remove temporary tables from the HANDLER's hash table. The reason
+ for having a separate function, rather than calling
+ mysql_ha_rm_tables() is that it is not always feasible (e.g. in
+ close_temporary_tables) to obtain a TABLE_LIST containing the
+ temporary tables.
+
+ @See close_temporary_tables
+ @param thd Thread identifier.
+*/
+void mysql_ha_rm_temporary_tables(THD *thd)
+{
+ DBUG_ENTER("mysql_ha_rm_temporary_tables");
+
+ TABLE_LIST *tmp_handler_tables= NULL;
+ for (uint i= 0; i < thd->handler_tables_hash.records; i++)
+ {
+ TABLE_LIST *handler_table= reinterpret_cast<TABLE_LIST*>
+ (my_hash_element(&thd->handler_tables_hash, i));
+
+ if (handler_table->table && handler_table->table->s->tmp_table)
+ {
+ handler_table->next_local= tmp_handler_tables;
+ tmp_handler_tables= handler_table;
+ }
+ }
+
+ if (tmp_handler_tables)
+ mysql_ha_rm_tables(thd, tmp_handler_tables);
+
+ DBUG_VOID_RETURN;
+}