From a33bb001445d2576f15437d9392bc70736ab419a Mon Sep 17 00:00:00 2001
From: Alexander Barkov <bar@mnogosearch.org>
Date: Fri, 8 Nov 2013 14:18:16 +0400
Subject: MDEV-4842 STR_TO_DATE does not work with UCS2/UTF16/UTF32

---
 sql/item.cc | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'sql/item.cc')

diff --git a/sql/item.cc b/sql/item.cc
index 803c9fee576..a415464a2f9 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -218,6 +218,24 @@ bool Item::val_bool()
 }
 
 
+String *Item::val_str(String *str, String *converter, CHARSET_INFO *cs)
+{
+  String *res= val_str(str);
+  if (null_value)
+    return (String *) 0;
+
+  if (!cs)
+    return res;
+
+  uint errors;
+  if ((null_value= converter->copy(res->ptr(), res->length(),
+                                   collation.collation, cs,  &errors)))
+    return (String *) 0;
+
+  return converter;
+}
+
+
 String *Item::val_string_from_real(String *str)
 {
   double nr= val_real();
-- 
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