Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

into  moonbone.local:/mnt/gentoo64/work/27590-bug-5.0-opt-mysql


mysql-test/r/subselect.result:
  Auto merged
sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/sql_select.cc:
  Auto merged
tests/mysql_client_test.c:
  Auto merged

1 files changed, 23 insertions, 0 deletions

diff --git a/sql/item.cc b/sql/item.cc
index 5ee98c34d3f..28729e9936f 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -4162,6 +4162,21 @@ enum_field_types Item::field_type() const
 }
 
 
+bool Item::is_datetime()
+{
+  switch (field_type())
+  {
+    case MYSQL_TYPE_DATE:
+    case MYSQL_TYPE_DATETIME:
+    case MYSQL_TYPE_TIMESTAMP:
+      return TRUE;
+    default:
+      break;
+  }
+  return FALSE;
+}
+
+
 /*
   Create a field to hold a string value from an item
 
@@ -6142,6 +6157,14 @@ void Item_cache_int::store(Item *item)
 }
 
 
+void Item_cache_int::store(Item *item, longlong val_arg)
+{
+  value= val_arg;
+  null_value= item->null_value;
+  unsigned_flag= item->unsigned_flag;
+}
+
+
 String *Item_cache_int::val_str(String *str)
 {
   DBUG_ASSERT(fixed == 1);