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+################################################################################
+# inc/gcol_view.inc                                                            #
+#                                                                              #
+# Purpose:                                                                     #
+#  Testing views defined on tables with generated columns.                       #
+#                                                                              #
+#                                                                              #
+#                                                                              #
+#------------------------------------------------------------------------------#
+# Original Author: Andrey Zhakov                                               #
+# Original Date: 2008-09-04                                                    #
+# Change Author:                                                               #
+# Change Date:                                                                 #
+# Change:                                                                      #
+################################################################################
+
+
+
+create table t1 (a int not null,
+                 b int generated always as (-a) virtual,
+                 c int generated always as (-a) stored);
+insert into t1 (a) values (1), (1), (2), (2), (3);
+analyze table t1;
+
+# simple view
+create view v1 (d,e) as select abs(b), abs(c) from t1;
+--sorted_result
+select d,e from v1;
+select is_updatable from information_schema.views where table_name='v1';
+
+# view with different algorithms (explain output differs)
+--replace_column 9 X
+explain select d,e from v1;
+create algorithm=temptable view v2 (d,e) as select abs(b), abs(c) from t1;
+show create view v2;
+--sorted_result
+select d,e from v2;
+--replace_column 9 X
+explain select d,e from v2;
+
+# VIEW on VIEW test
+create view v3 (d,e) as select d*2, e*2 from v1;
+--sorted_result
+select * from v3;
+--replace_column 9 X
+explain select * from v3;
+
+drop view v1,v2,v3;
+drop table t1;
+
+#
+# DISTINCT option for VIEW
+#
+create table t1 (a int not null,
+                 b int generated always as (-a) virtual,
+                 c int generated always as (-a) stored);
+insert into t1 (a) values (1), (2), (3), (1), (2), (3);
+create view v1 as select distinct b from t1;
+--sorted_result
+select * from v1;
+--replace_column 9 X
+explain select * from v1;
+--sorted_result
+select * from t1;
+drop view v1;
+create view v1 as select distinct c from t1;
+--sorted_result
+select * from v1;
+--replace_column 9 X
+explain select * from v1;
+--sorted_result
+select * from t1;
+drop view v1;
+drop table t1;
+
+#
+# LIMIT clause test
+#
+create table t1 (a int not null,
+                 b int generated always as (-a) virtual,
+                 c int generated always as (-a) stored);
+insert into t1 (a) values (1), (2), (3), (4);
+create view v1 as select b+1 from t1 order by 1 desc limit 2;
+select * from v1;
+--replace_column 9 X
+explain select * from v1;
+drop view v1;
+create view v1 as select c+1 from t1 order by 1 desc limit 2;
+--sorted_result
+select * from v1;
+--replace_column 9 X
+explain select * from v1;
+drop view v1;
+drop table t1;
+
+#
+# simple view + simple update, insert and delete
+#
+create table t1 (a int,
+                 b int,
+                 c int generated always as (-a) virtual,
+                 d int generated always as (-a) stored,
+                 primary key(a));
+insert into t1 (a,b) values (10,2), (20,3), (30,4), (40,5), (50,10);
+create view v1 (a,e,f,g) as select a, b+1,c+1,d+1 from t1;
+# updatable field of updateable view
+update v1 set a=a+e;
+select * from v1 order by a;
+select * from t1 order by a;
+delete from v1;
+select * from v1;
+select * from t1;
+--error ER_NON_INSERTABLE_TABLE
+insert into v1 (a,e) values (60,15);
+drop table t1;
+drop view v1;
+
+#
+# outer join based on VIEW with WHERE clause
+#
+create table t1 (a int,
+                 b int generated always as (-a) virtual,
+		 c int generated always as (-a) stored,
+                 primary key(a));
+insert into t1 (a) values (1), (2), (3);
+create view v1 (x,y,z) as select a,b,c from t1 where b < -1;
+--sorted_result
+select t1.a, v1.x, v1.y, v1.z from t1 left join v1 on (t1.b= v1.y);
+drop view v1;
+create view v1 (x,y,z) as select a,b,c from t1 where c < -1;
+--sorted_result
+select t1.a, v1.x, v1.y, v1.z from t1 left join v1 on (t1.c= v1.z);
+drop view v1;
+drop table t1;
+
+#
+# VIEW built over UNION
+#
+create table t1 (a1 int,
+                 b1 int generated always as (-a1) virtual,
+		 c1 int generated always as (-a1) stored);
+create table t2 (a2 int,
+                 b2 int generated always as (-a2) virtual,
+		 c2 int generated always as (-a2) stored);
+insert into t1 (a1) values (1), (2);
+insert into t2 (a2) values (2), (3);
+create view v1 as select * from t1,t2 union all select * from t1,t2;
+--sorted_result
+select * from v1;
+drop view v1;
+drop table t1, t2;
+
+#
+# Showing VIEW with VIEWs in subquery
+#
+create table t1 (a int,
+                 b int generated always as (-a) virtual,
+		 c int generated always as (-a) stored);
+create table t2 like t1;
+create view v1 as select a,b,c from t1;
+create view v2 as select a,b,c from t2 where b in (select b from v1);
+show create view v2;
+drop view v2, v1;
+drop table t1, t2;
+
+#
+# TODO: VIEW with full text
+#
+#CREATE TABLE t1 (c1 int not null auto_increment primary key, c2 varchar(20), fulltext(c2));
+#insert into t1 (c2) VALUES ('real Beer'),('Water'),('Kossu'),('Coca-Cola'),('Vodka'),('Wine'),('almost real Beer');
+#select * from t1 WHERE match (c2) against ('Beer');
+#CREATE VIEW v1 AS SELECT  * from t1 WHERE match (c2) against ('Beer');
+#select * from v1;
+#drop view v1;
+#drop table t1;
+
+#
+# distinct in temporary table with a VIEW
+#
+create table t1 (a int,
+                 b int generated always as (-a) virtual,
+		 c int generated always as (-a) stored);
+insert into t1 (a) values (1),(1),(2),(2),(3),(3);
+create view v1 as select b from t1;
+--sorted_result
+select distinct b from v1;
+select distinct b from v1 order by b limit 2;
+select distinct b from t1 order by b limit 2;
+prepare stmt1 from "select distinct b from v1 order by b limit 2";
+execute stmt1;
+execute stmt1;
+deallocate prepare stmt1;
+drop view v1;
+create view v1 as select c from t1;
+--sorted_result
+select distinct c from v1;
+select distinct c from v1 order by c limit 2;
+select distinct c from t1 order by c limit 2;
+prepare stmt1 from "select distinct c from v1 order by c limit 2";
+execute stmt1;
+execute stmt1;
+deallocate prepare stmt1;
+drop view v1;
+drop table t1;
+
+#
+# WITH CHECK OPTION insert/update test
+#
+create table t1 (a int,
+                 b int generated always as (-a) virtual,
+		 c int generated always as (-a) stored);
+create view v1 as select * from t1 where b > -2 && c >-2 with check option;
+# simple insert
+insert into v1 (a) values (1);
+-- error 1369
+insert into v1 (a) values (3);
+# simple insert with ignore
+insert ignore into v1 (a) values (2),(3),(0);
+--sorted_result
+select * from t1;
+drop view v1;
+drop table t1;
+
+
+--echo #
+--echo # MDEV-18166 ASSERT_COLUMN_MARKED_FOR_READ failed on tables with vcols
+--echo #
+
+CREATE TABLE t1 (d DATETIME(3), v DATETIME(2) AS (d));
+CREATE VIEW v1 AS SELECT * FROM t1;
+
+INSERT INTO t1 (d) VALUES ('2004-04-19 15:37:39.123'),
+                          ('1985-12-24 10:15:08.456');
+DELETE FROM v1 ORDER BY v LIMIT 4;
+
+# Cleanup
+DROP VIEW v1;
+DROP TABLE t1;
+
+--echo #
+--echo # [duplicate] MDEV-19306 Assertion `marked_for_read()' failed in
+--echo # Field_blob::val_str with virtual columns and views
+--echo #
+
+CREATE TABLE t1 (a BLOB, b TEXT AS (a) VIRTUAL);
+CREATE VIEW v1 AS SELECT * FROM t1;
+INSERT INTO t1 (a) VALUES ('foo'),('bar');
+DELETE FROM v1 ORDER BY b LIMIT 2;
+ 
+# Cleanup
+DROP VIEW v1;
+DROP TABLE t1;
+CREATE TABLE t1 (d INT, v TINYINT AS (d));
+CREATE VIEW v1 AS SELECT * FROM t1;
+INSERT INTO t1 (d) VALUES ('2004'),('1985') ;
+DELETE FROM v1 ORDER BY v LIMIT 4;
+
+DROP VIEW v1;
+DROP TABLE t1;
+
+
+CREATE TABLE t1 (d VARCHAR(64), v VARCHAR(63) AS (d));
+CREATE VIEW v1 AS SELECT * FROM t1;
+INSERT INTO t1 (d) VALUES ('2004-04-19 15:37:39.123'),('1985-12-24 10:15:08.456') ;
+DELETE FROM v1 ORDER BY v LIMIT 4;
+
+DROP TABLE t1;
+DROP VIEW v1;
+
+
+--echo #
+--echo # MDEV-18249 ASSERT_COLUMN_MARKED_FOR_READ failed in ANALYZE TABLE
+--echo #
+
+create table t1 (c varchar(3) not null, v varchar(4) as (c) virtual);
+insert into t1 (c) values ('a'),('b');
+analyze table t1 persistent for columns (v) indexes ();
+