bugfix: INFORMATION_SCHEMA.STATISTICS doesn't show whether the index is disabled

mysql-test/main/information_schema2.result

@@ -25,3 +25,14 @@ t3
 t4
 drop table t1, t2, t3, t4;
 # End of 5.5 tests
+# INFORMATION_SCHEMA.STATISTICS doesn't show if the index is disabled
+create table t1 (a int, key(a));
+select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
+index_name	comment
+a	
+alter table t1 disable keys;
+select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
+index_name	comment
+a	disabled
+drop table t1;
+# End of 10.5 tests

mysql-test/main/information_schema2.test

@@ -19,3 +19,12 @@ select * from t4 order by table_name;
 drop table t1, t2, t3, t4;
 
 --echo # End of 5.5 tests
+
+--echo # INFORMATION_SCHEMA.STATISTICS doesn't show if the index is disabled
+create table t1 (a int, key(a));
+select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
+alter table t1 disable keys;
+select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
+drop table t1;
+
+--echo # End of 10.5 tests

sql/sql_show.cc

@@ -9400,7 +9400,7 @@ ST_FIELD_INFO stat_fields_info[]=
   Column("PACKED",        Varchar(10), NULLABLE, "Packed",      OPEN_FRM_ONLY),
   Column("NULLABLE",      Varchar(3),  NOT_NULL, "Null",        OPEN_FRM_ONLY),
   Column("INDEX_TYPE",    Varchar(16), NOT_NULL, "Index_type",  OPEN_FULL_TABLE),
-  Column("COMMENT",       Varchar(16), NULLABLE, "Comment",     OPEN_FRM_ONLY),
+  Column("COMMENT",       Varchar(16), NULLABLE, "Comment",     OPEN_FULL_TABLE),
   Column("INDEX_COMMENT", Varchar(INDEX_COMMENT_MAXLEN),
                                        NOT_NULL, "Index_comment",OPEN_FRM_ONLY),
   CEnd()