SCRUM

IS_USED_LOCK('lock') implementation


sql/item_create.cc:
  create_func_is_used_lock implementation
sql/item_create.h:
  create_func_is_used_lock declaration
sql/item_func.cc:
  thread_id member added to the ULL class
sql/item_func.h:
  class Item_func_is_used_lock added
sql/lex.h:
  IS_USED_LOCK function added to the SQL

1 files changed, 6 insertions, 0 deletions

diff --git a/sql/item_create.cc b/sql/item_create.cc
index d90c708fc0f..67a435043de 100644
--- a/sql/item_create.cc
+++ b/sql/item_create.cc
@@ -475,6 +475,12 @@ Item *create_func_is_free_lock(Item* a)
   return new Item_func_is_free_lock(a);
 }
 
+Item *create_func_is_used_lock(Item* a)
+{
+  current_thd->lex.uncacheable();
+  return new Item_func_is_used_lock(a);
+}
+
 Item *create_func_quote(Item* a)
 {
   return new Item_func_quote(a);