Bug #9728 fix merge

mysql-test/r/insert_select.result:
  Auto merged
mysql-test/t/insert_select.test:
  Auto merged
sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/sql_base.cc:
  Manual merge
sql/sql_parse.cc:
  Manual merge
sql/sql_yacc.yy:
  Manual merge

1 files changed, 11 insertions, 0 deletions

diff --git a/sql/item.h b/sql/item.h
index c912ad3f0a7..c8180b4932a 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -225,6 +225,11 @@ typedef Item* (Item::*Item_transformer) (byte *arg);
 
 typedef void (*Cond_traverser) (const Item *item, void *arg);
 
+/*
+ See comments for sql_yacc.yy: insert_update_elem rule
+ */
+#define MY_ITEM_PREFER_1ST_TABLE 1
+
 class Item {
   Item(const Item &);			/* Prevent use of these */
   void operator=(Item &);
@@ -272,6 +277,7 @@ public:
   my_bool is_autogenerated_name;        /* indicate was name of this Item
                                            autogenerated or set by user */
   DTCollation collation;
+  uint8 item_flags;		/* Flags on how item should be processed */
 
   // alloc & destruct is done as start of select using sql_alloc
   Item();
@@ -584,6 +590,11 @@ public:
     cleanup();
     delete this;
   }
+  virtual bool set_flags_processor(byte *args)
+  {
+    this->item_flags|= *((uint8*)args);
+    return false;
+  }
 
   virtual bool is_splocal() { return 0; } /* Needed for error checking */
 };