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-rw-r--r--sql/mdl.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/sql/mdl.h b/sql/mdl.h
index 952d97d301c..848b2497f43 100644
--- a/sql/mdl.h
+++ b/sql/mdl.h
@@ -470,6 +470,16 @@ public:
DBUG_ASSERT(ticket == NULL);
type= type_arg;
}
+ void move_from(MDL_request &from)
+ {
+ type= from.type;
+ duration= from.duration;
+ ticket= from.ticket;
+ next_in_list= from.next_in_list;
+ prev_in_list= from.prev_in_list;
+ key.mdl_key_init(&from.key);
+ from.ticket= NULL; // that's what "move" means
+ }
/**
Is this a request for a lock which allow data to be updated?