MDEV-10370 Check constraints on virtual columns fails on INSERT when column not specified

add columns needed for CHECK constraints not only to read_set,
but also to vcol_set.

mysql-test/r/check_constraint.result

@@ -131,3 +131,8 @@ t1	CREATE TABLE `t1` (
   CONSTRAINT `CONSTRAINT_2` CHECK (`a` > `b`)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
+create table t1(c1 int, c2 int as (c1 + 1), check (c2 > 2));
+insert into t1(c1) values(1);
+ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
+insert into t1(c1) values(2);
+drop table t1;

mysql-test/t/check_constraint.test

@@ -69,3 +69,12 @@ create or replace table t1 (a int, b int,
   constraint CONSTRAINT_2 check (a>b));
 show create table t1;
 drop table t1;
+
+#
+# MDEV-10370 Check constraints on virtual columns fails on INSERT when column not specified
+#
+create table t1(c1 int, c2 int as (c1 + 1), check (c2 > 2));
+--error ER_CONSTRAINT_FAILED
+insert into t1(c1) values(1);
+insert into t1(c1) values(2);
+drop table t1;

sql/table.cc

@@ -6605,6 +6605,8 @@ void TABLE::mark_columns_used_by_check_constraints(void)
 void TABLE::mark_check_constraint_columns_for_read(void)
 {
   bitmap_union(read_set, s->check_set);
+  if (vcol_set)
+    bitmap_union(vcol_set, s->check_set);
 }