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-rw-r--r--sql/sql_class.cc31
1 files changed, 26 insertions, 5 deletions
diff --git a/sql/sql_class.cc b/sql/sql_class.cc
index 39edcdca3de..ecd87b554e7 100644
--- a/sql/sql_class.cc
+++ b/sql/sql_class.cc
@@ -1,4 +1,6 @@
-/* Copyright (C) 2000-2008 MySQL AB, 2008-2009 Sun Microsystems, Inc.
+/*
+ Copyright (c) 2000, 2011, Oracle and/or its affiliates.
+ Copyright (c) 2008-2011 Monty Program Ab
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
@@ -11,8 +13,8 @@
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
/*****************************************************************************
**
@@ -712,7 +714,6 @@ THD::THD()
is_slave_error= thread_specific_used= FALSE;
hash_clear(&handler_tables_hash);
tmp_table=0;
- used_tables=0;
cuted_fields= sent_row_count= row_count= 0L;
limit_found_rows= 0;
row_count_func= -1;
@@ -1438,6 +1439,25 @@ bool THD::store_globals()
return 0;
}
+/*
+ Remove the thread specific info (THD and mem_root pointer) stored during
+ store_global call for this thread.
+*/
+bool THD::restore_globals()
+{
+ /*
+ Assert that thread_stack is initialized: it's necessary to be able
+ to track stack overrun.
+ */
+ DBUG_ASSERT(thread_stack);
+
+ /* Undocking the thread specific data. */
+ my_pthread_setspecific_ptr(THR_THD, NULL);
+ my_pthread_setspecific_ptr(THR_MALLOC, NULL);
+
+ return 0;
+}
+
/**
Untie THD from current thread
@@ -2334,7 +2354,7 @@ int select_export::send_data(List<Item> &items)
*/
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
WARN_DATA_TRUNCATED, ER(WARN_DATA_TRUNCATED),
- item->full_name(), row_count);
+ item->full_name(), static_cast<long>(row_count));
}
cvt_str.length(bytes);
res= &cvt_str;
@@ -3884,6 +3904,7 @@ bool xid_cache_insert(XID *xid, enum xa_states xa_state)
xs->xa_state=xa_state;
xs->xid.set(xid);
xs->in_thd=0;
+ xs->rm_error=0;
res=my_hash_insert(&xid_cache, (uchar*)xs);
}
pthread_mutex_unlock(&LOCK_xid_cache);