1 files changed, 65 insertions, 0 deletions
diff --git a/storage/maria/ma_trnman.h b/storage/maria/ma_trnman.h
new file mode 100644
index 00000000000..06e6a88304f
--- /dev/null
+++ b/storage/maria/ma_trnman.h
@@ -0,0 +1,65 @@
+/* Copyright (C) 2006-2008 MySQL AB, 2008-2009 Sun Microsystems, Inc.
+
+   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
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+#ifndef _ma_trnman_h
+#define _ma_trnman_h
+
+/**
+   Sets table's trn and prints debug information
+   Links table into used_instances if new_trn is not 0
+
+   @param tbl              MARIA_HA of table
+   @param newtrn           what to put into tbl->trn
+*/
+
+static inline void _ma_set_trn_for_table(MARIA_HA *tbl, TRN *newtrn)
+{
+  DBUG_PRINT("info",("table: %p  trn: %p -> %p",
+                     tbl, tbl->trn, newtrn));
+
+  /* check that we are not calling this twice in a row */
+  DBUG_ASSERT(newtrn->used_instances != (void*) tbl);
+
+  tbl->trn= newtrn;
+  /* Link into used list */
+  tbl->trn_next= (MARIA_HA*) newtrn->used_instances;
+  newtrn->used_instances= tbl;
+}
+
+
+/*
+  Same as _ma_set_trn_for_table(), but don't link table into used_instance list
+  Used when we want to temporary set trn for a table in extra()
+*/ 
+
+static inline void _ma_set_tmp_trn_for_table(MARIA_HA *tbl, TRN *newtrn)
+{
+  DBUG_PRINT("info",("table: %p  trn: %p -> %p",
+                     tbl, tbl->trn, newtrn));
+  tbl->trn= newtrn;
+}
+
+
+/*
+  Reset TRN in table
+*/
+
+static inline void _ma_reset_trn_for_table(MARIA_HA *tbl)
+{
+  DBUG_PRINT("info",("table: %p  trn: %p -> NULL", tbl, tbl->trn));
+  tbl->trn= 0;
+}
+
+#endif /* _ma_trnman_h */