EXPLAIN JSON: Print out the "expensive constant condition" attached to joins.

1 files changed, 6 insertions, 0 deletions

diff --git a/sql/sql_explain.h b/sql/sql_explain.h
index a7ef0beb649..c4bfa4d09bf 100644
--- a/sql/sql_explain.h
+++ b/sql/sql_explain.h
@@ -175,6 +175,9 @@ public:
   void print_explain_json(Explain_query *query, Json_writer *writer, 
                           bool is_analyze);
 
+  void print_explain_json_interns(Explain_query *query, Json_writer *writer,
+                                  bool is_analyze);
+
   /* A flat array of Explain structs for tables. */
   Explain_table_access** join_tabs;
   uint n_join_tabs;
@@ -222,6 +225,9 @@ public:
   */
   const char *message;
   
+  /* Expensive constant condition */
+  Item *exec_const_cond;
+  
   /* Global join attributes. In tabular form, they are printed on the first row */
   bool using_temporary;
   bool using_filesort;