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-rw-r--r--sql/table.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/sql/table.h b/sql/table.h
index 2bad6cbf32f..d289b6e0ab2 100644
--- a/sql/table.h
+++ b/sql/table.h
@@ -2932,9 +2932,11 @@ typedef struct st_nested_join
Before each use the counters are zeroed by reset_nj_counters.
*/
uint counter;
+
/*
- Number of elements in join_list that were not (or contain table(s) that
- weren't) removed by table elimination.
+ Number of elements in join_list that participate in the join plan choice:
+ - Base tables that were not removed by table elimination
+ - Join nests that were not removed by mark_join_nest_as_const
*/
uint n_tables;
nested_join_map nj_map; /* Bit used to identify this nested join*/