mariadb/mysql-test/suite/vcol/t/vcol_misc.test

--source include/have_ucs2.inc

--disable_warnings
drop table if exists t1,t2;
--enable_warnings

#
# Bug#601164: DELETE/UPDATE with ORDER BY index and LIMIT
#             

create table t1 (a int, b int, v int as (a+1), index idx(b));
insert into t1(a, b) values
  (4, 40), (3, 30), (5, 50), (7, 70), (8, 80), (2, 20), (1, 10);

select * from t1 order by b;

delete from t1 where v > 6 order by b limit 1;
select * from t1 order by b;

update t1 set a=v order by b limit 1;
select * from t1 order by b;

drop table t1;

#
# Bug#604549: Expression for virtual column returns row
#             

-- error ER_ROW_EXPR_FOR_VCOL 
CREATE TABLE t1 (
  a int NOT NULL DEFAULT '0',
  v double AS ((1, a)) VIRTUAL
);

#
# Bug#603654: Virtual column in ORDER BY, no other references of table columns
#             

CREATE TABLE t1 (
 a CHAR(255) BINARY NOT NULL DEFAULT 0,
 b CHAR(255) BINARY NOT NULL DEFAULT 0,
 v CHAR(255) BINARY AS (CONCAT(a,b)) VIRTUAL );
INSERT INTO t1(a,b) VALUES ('4','7'), ('4','6');
SELECT 1 AS C FROM t1 ORDER BY v;

DROP TABLE t1;

#
# Bug#603186: Insert into a table with stored vurtual columns
#             

CREATE TABLE t1(a int, b int DEFAULT 0, v INT AS (b+10) PERSISTENT);
INSERT INTO t1(a) VALUES (1);
SELECT b, v FROM t1;

DROP TABLE t1;

CREATE TABLE t1(a int DEFAULT 100, v int AS (a+1) PERSISTENT);
INSERT INTO t1 () VALUES ();
CREATE TABLE t2(a int DEFAULT 100 , v int AS (a+1));
INSERT INTO t2 () VALUES ();

SELECT a, v FROM t1;
SELECT a, v FROM t2;

DROP TABLE t1,t2;

#
# Bug#604503: Virtual column expression with datetime comparison
#

CREATE TABLE t1 (
 a datetime NOT NULL DEFAULT '2000-01-01',
 v boolean AS (a < '2001-01-01')
);
INSERT INTO t1(a) VALUES ('2002-02-15');
INSERT INTO t1(a) VALUES ('2000-10-15');

SELECT a, v FROM t1;
SELECT a, v FROM t1;

CREATE TABLE t2 (
 a datetime NOT NULL DEFAULT '2000-01-01',
 v boolean AS (a < '2001-01-01') PERSISTENT
);
INSERT INTO t2(a) VALUES ('2002-02-15');
INSERT INTO t2(a) VALUES ('2000-10-15');

SELECT * FROM t2;

DROP TABLE t1, t2;

#
# Bug#607566: Virtual column in the select list of SELECT with ORDER BY
#

CREATE TABLE t1 (
  a char(255), b char(255), c char(255), d char(255),
  v char(255) AS (CONCAT(c,d) ) VIRTUAL
);

INSERT INTO t1(a,b,c,d) VALUES ('w','x','y','z'), ('W','X','Y','Z');

SELECT v FROM t1 ORDER BY CONCAT(a,b);

DROP TABLE t1;

#
# Bug#607168: CREATE TABLE AS SELECT that returns virtual columns
#

CREATE TABLE t1 (f1 INTEGER, v1 INTEGER AS (f1) VIRTUAL);
CREATE TABLE t2 AS SELECT v1 FROM t1;
SHOW CREATE TABLE t2;

DROP TABLE t1,t2;

#
# Bug#607177: ROUND function in the expression for a virtual function
#

CREATE TABLE t1 (p int, a double NOT NULL, v double AS (ROUND(a,p)) VIRTUAL);
INSERT INTO t1 VALUES (0,1,0);
INSERT INTO t1 VALUES (NULL,0,0);
SELECT a, p, v, ROUND(a,p), ROUND(a,p+NULL) FROM t1;
DROP TABLE t1;

CREATE TABLE t1 (p int, a double NOT NULL);
INSERT INTO t1(p,a) VALUES (0,1);
INSERT INTO t1(p,a) VALUES (NULL,0);
SELECT a, p, ROUND(a,p), ROUND(a,p+NULL) FROM t1;
DROP TABLE t1;

#
# Bug#610890: SHOW CREATE TABLE with a virtual column
#

CREATE TABLE t1 (a char(32), v char(32) CHARACTER SET ucs2 AS (a) VIRTUAL);

SHOW CREATE TABLE t1;

DROP TABLE t1;

#
#  SELECT that uses a virtual column and executed with BKA
#

create table t1 (a int, b int);
insert into t1 values (3, 30), (4, 20), (1, 20);
create table t2 (c int, d int, v int as (d+1), index idx(c));
insert into t2(c,d) values 
  (20, 100), (20, 300), (30, 100), (30, 200), (40, 500),
  (70, 100), (40, 300), (60, 100), (40, 100), (70, 100);                           

set join_cache_level=6;
explain
select * from t1,t2 where t1.b=t2.c and d <= 100;

select * from t1,t2 where t1.b=t2.c and d <= 100;
set join_cache_level=default;

drop table t1, t2;