Merge deer.(none):/home/hf/work/mysql-4.1.clean

into deer.(none):/home/hf/work/mysql-4.1.1676


sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_func.h:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged

1 files changed, 9 insertions, 7 deletions

diff --git a/sql/item.h b/sql/item.h
index dc3a9114601..e9d34568350 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -882,13 +882,15 @@ public:
   void set_used_tables(table_map map) { used_table_map= map; }
 
   virtual bool allocate(uint i) { return 0; };
-  virtual bool setup(Item *item) { example= item;  return 0; };
-  virtual void store(Item *)= 0;
-  void set_len_n_dec(uint32 max_len, uint8 dec)
+  virtual bool setup(Item *item)
   {
-    max_length= max_len;
-    decimals= dec;
-  }
+    example= item;
+    max_length= item->max_length;
+    decimals= item->decimals;
+    collation.set(item->collation);
+    return 0;
+  };
+  virtual void store(Item *)= 0;
   enum Type type() const { return CACHE_ITEM; }
   static Item_cache* get_cache(Item_result type);
   table_map used_tables() const { return used_table_map; }
@@ -913,7 +915,7 @@ class Item_cache_real: public Item_cache
   double value;
 public:
   Item_cache_real(): Item_cache() {}
-  
+
   void store(Item *item);
   double val() { return value; }
   longlong val_int() { return (longlong) (value+(value > 0 ? 0.5 : -0.5)); }