MDEV-5163 Merge WEIGHT_STRING function from MySQL-5.6

1 files changed, 20 insertions, 0 deletions

diff --git a/sql/item_strfunc.h b/sql/item_strfunc.h
index 9ae0c92673f..6bce7da7d52 100644
--- a/sql/item_strfunc.h
+++ b/sql/item_strfunc.h
@@ -1024,6 +1024,26 @@ public:
   table_map not_null_tables() const { return 0; }
 };
 
+class Item_func_weight_string :public Item_str_func
+{
+  String tmp_value;
+  uint flags;
+  uint nweights;
+  uint result_length;
+public:
+  Item_func_weight_string(Item *a, uint result_length_arg,
+                          uint nweights_arg, uint flags_arg)
+  :Item_str_func(a)
+  {
+    nweights= nweights_arg;
+    flags= flags_arg;
+    result_length= result_length_arg;
+  }
+  const char *func_name() const { return "weight_string"; }
+  String *val_str(String *);
+  void fix_length_and_dec();
+};
+
 class Item_func_crc32 :public Item_int_func
 {
   String value;