Fixed bug mdev-10868.

There was no implementation of the virtual method print()
for the Item_window_func class. As a result for a view
containing window function an invalid view definition could
be written in the frm file. When a query that refers to
this view was executed a syntax error was reported.

1 files changed, 7 insertions, 0 deletions

diff --git a/sql/sql_window.h b/sql/sql_window.h
index b94a1fc6dc4..6a56fc84392 100644
--- a/sql/sql_window.h
+++ b/sql/sql_window.h
@@ -45,6 +45,8 @@ public:
 
   bool is_unbounded() { return offset == NULL; }
 
+  void print(String *str, enum_query_type query_type);
+
 };
 
 
@@ -84,6 +86,8 @@ public:
 
   bool check_frame_bounds();
 
+  void print(String *str, enum_query_type query_type);
+
 };
 
 class Window_spec : public Sql_alloc
@@ -125,6 +129,9 @@ class Window_spec : public Sql_alloc
   {
     *(partition_list->next)= NULL;
   }
+
+  void print(String *str, enum_query_type query_type);
+
 };
 
 class Window_def : public Window_spec