mariadb/mysql-test/t/view.test

--disable_warnings
drop table if exists t1,t2,t9,`t1a``b`,v1,v2,v3,v4,v5,v6;
drop view if exists t1,t2,`t1a``b`,v1,v2,v3,v4,v5,v6;
drop database if exists mysqltest;
--enable_warnings
use test;

#
# some basic test of views and its functionality
#

# create view on nonexistent table
-- error 1146
create view v1 (c,d) as select a,b from t1;

create temporary table t1 (a int, b int);
# view on temporary table
-- error 1352
create view v1 (c) as select b+1 from t1;
drop table t1;

create table t1 (a int, b int);
insert into t1 values (1,2), (1,3), (2,4), (2,5), (3,10);

# view with variable
-- error 1351
create view v1 (c,d) as select a,b+@@global.max_user_connections from t1;

# simple view
create view v1 (c) as select b+1 from t1;
select c from v1;

# temporary table should not hide table of view
create temporary table t1 (a int, b int);
# this is empty
select * from t1;
# but this based on normal t1
select c from v1;
show create table v1;
show create view v1;
-- error 1347
show create view t1;
drop table t1;

# try to use fields from underlying table
-- error 1054
select a from v1;
-- error 1054
select v1.a from v1;
-- error 1054
select b from v1;
-- error 1054
select v1.b from v1;

# view with different algorithms (explain output differs)
explain extended select c from v1;
create algorithm=temptable view v2 (c) as select b+1 from t1;
show create view v2;
select c from v2;
explain extended select c from v2;

# try to use underlying table fields in VIEW creation process
-- error 1054
create view v3 (c) as select a+1 from v1;
-- error 1054
create view v3 (c) as select b+1 from v1;


# VIEW on VIEW test with mixing different algorithms on different order
create view v3 (c) as select c+1 from v1;
select c from v3;
explain extended select c from v3;
create algorithm=temptable view v4 (c) as select c+1 from v2;
select c from v4;
explain extended select c from v4;
create view v5 (c) as select c+1 from v2;
select c from v5;
explain extended select c from v5;
create algorithm=temptable view v6 (c) as select c+1 from v1;
select c from v6;
explain extended select c from v6;

# show table/table status test
show tables;
show full tables;
--replace_column 12 # 13 #
--replace_result 2147483647 38654705663
show table status;

drop view v1,v2,v3,v4,v5,v6;

#
# alter/create view test
#

# view with subqueries of different types
create view v1 (c,d,e,f) as select a,b,
a in (select a+2 from t1), a = all (select a from t1) from t1;
create view v2 as select c, d from v1;
select * from v1;
select * from v2;

# try to create VIEW with name of existing VIEW
-- error 1050
create view v1 (c,d,e,f) as select a,b, a in (select a+2 from t1), a = all (select a from t1) from t1;

# 'or replace' should work in this case
create or replace view v1 (c,d,e,f) as select a,b, a in (select a+2 from t1), a = all (select a from t1) from t1;

# try to ALTER unexisting VIEW
drop view v2;
-- error 1146
alter view v2 as select c, d from v1;

# 'or replace' on unexisting view
create or replace view v2 as select c, d from v1;

# alter view on existing view
alter view v1 (c,d) as select a,max(b) from t1 group by a;

# check that created view works
select * from v1;
select * from v2;

# try to drop nonexistent VIEW
-- error 1051
drop view v100;

# try to drop table with DROP VIEW
-- error 1347
drop view t1;

# try to drop VIEW with DROP TABLE
-- error 1051
drop table v1;

# try to drop table with DROP VIEW

drop view v1,v2;
drop table t1;

#
# outer left join with merged views
#
create table t1 (a int);
insert into t1 values (1), (2), (3);

create view v1 (a) as select a+1 from t1;
create view v2 (a) as select a-1 from t1;

# WL #2486 should enable these tests
#select * from t1 natural left join v1;
#select * from v2 natural left join t1;
#select * from v2 natural left join v1;

drop view v1, v2;
drop table t1;


#
# DISTINCT option for VIEW
#
create table t1 (a int);
insert into t1 values (1), (2), (3), (1), (2), (3);
create view v1 as select distinct a from t1;
select * from v1;
explain select * from v1;
select * from t1;
drop view v1;
drop table t1;

#
# syntax compatibility
#
create table t1 (a int);
-- error 1368
create view v1 as select distinct a from t1 WITH CHECK OPTION;
create view v1 as select a from t1 WITH CHECK OPTION;
create view v2 as select a from t1 WITH CASCADED CHECK OPTION;
create view v3 as select a from t1 WITH LOCAL CHECK OPTION;
drop view v3 RESTRICT;
drop view v2 CASCADE;
drop view v1;
drop table t1;

#
# aliases
#
create table t1 (a int, b int);
insert into t1 values (1,2), (1,3), (2,4), (2,5), (3,10);
create view v1 (c) as select b+1 from t1;
select test.c from v1 test;
create algorithm=temptable view v2 (c) as select b+1 from t1;
select test.c from v2 test;
select test1.* from v1 test1, v2 test2 where test1.c=test2.c;
select test2.* from v1 test1, v2 test2 where test1.c=test2.c;
drop table t1;
drop view v1,v2;

#
# LIMIT clause test
#
create table t1 (a int);
insert into t1 values (1), (2), (3), (4);
create view v1 as select a+1 from t1 order by 1 desc limit 2;
select * from v1;
explain select * from v1;
drop view v1;
drop table t1;

#
# CREATE ... SELECT view test
#
create table t1 (a int);
insert into t1 values (1), (2), (3), (4);
create view v1 as select a+1 from t1;
create table t2 select * from v1;
show columns from t2;
select * from t2;
drop view v1;
drop table t1,t2;

#
# simple view + simple update
#
create table t1 (a int, b int, primary key(a));
insert into t1 values (10,2), (20,3), (30,4), (40,5), (50,10);
create view v1 (a,c) as select a, b+1 from t1;
create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
# try to update expression
-- error 1348
update v1 set c=a+c;
# try to update VIEW with forced TEMPORARY TABLE algorithm
-- error 1288
update v2 set a=a+c;
# updatable field of updateable view
update v1 set a=a+c;
select * from v1;
select * from t1;
drop table t1;
drop view v1,v2;

#
# simple view + simple multi-update
#
create table t1 (a int, b int, primary key(a));
insert into t1 values (10,2), (20,3), (30,4), (40,5), (50,10);
create table t2 (x int);
insert into t2 values (10), (20);
create view v1 (a,c) as select a, b+1 from t1;
create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
# try to update expression
-- error 1348
update t2,v1 set v1.c=v1.a+v1.c where t2.x=v1.a;
# try to update VIEW with forced TEMPORARY TABLE algorithm
-- error 1288
update t2,v2 set v2.a=v2.v2.a+c where t2.x=v2.a;
# updatable field of updateable view
update t2,v1 set v1.a=v1.a+v1.c where t2.x=v1.a;
select * from v1;
select * from t1;
drop table t1,t2;
drop view v1,v2;

#
# MERGE VIEW with WHERE clause
#
create table t1 (a int, b int, primary key(b));
insert into t1 values (1,20), (2,30), (3,40), (4,50), (5,100);
create view v1 (c) as select b from t1 where a<3;
# simple select and explaint to be sure that it is MERGE
select * from v1;
explain extended select * from v1;
# update test
update v1 set c=c+1;
select * from t1;
# join of such VIEWs test
create view v2 (c) as select b from t1 where a>=3;
select * from v1, v2;
drop view v1, v2;
drop table t1;

#
# simple view + simple delete
#
create table t1 (a int, b int, primary key(a));
insert into t1 values (1,2), (2,3), (3,4), (4,5), (5,10);
create view v1 (a,c) as select a, b+1 from t1;
create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
# try to update VIEW with forced TEMPORARY TABLE algorithm
-- error 1288
delete from v2 where c < 4;
# updatable field of updateable view
delete from v1 where c < 4;
select * from v1;
select * from t1;
drop table t1;
drop view v1,v2;

#
# simple view + simple multi-delete
#
create table t1 (a int, b int, primary key(a));
insert into t1 values (1,2), (2,3), (3,4), (4,5), (5,10);
create table t2 (x int);
insert into t2 values (1), (2), (3), (4);
create view v1 (a,c) as select a, b+1 from t1;
create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
# try to update VIEW with forced TEMPORARY TABLE algorithm
-- error 1288
delete v2 from t2,v2 where t2.x=v2.a;
# updatable field of updateable view
delete v1 from t2,v1 where t2.x=v1.a;
select * from v1;
select * from t1;
drop table t1,t2;
drop view v1,v2;

#
# key presence check
#
create table t1 (a int, b int, c int, primary key(a,b));
insert into t1 values (10,2,-1), (20,3,-2), (30,4,-3), (40,5,-4), (50,10,-5);
create view v1 (x,y) as select a, b from t1;
create view v2 (x,y) as select a, c from t1;
set updatable_views_with_limit=NO;
update v1 set x=x+1;
update v2 set x=x+1;
update v1 set x=x+1 limit 1;
-- error 1288
update v2 set x=x+1 limit 1;
set updatable_views_with_limit=YES;
update v1 set x=x+1 limit 1;
update v2 set x=x+1 limit 1;
set updatable_views_with_limit=DEFAULT;
show variables like "updatable_views_with_limit";
select * from t1;
drop table t1;
drop view v1,v2;

#
# simple insert
#
create table t1 (a int, b int, c int, primary key(a,b));
insert into t1 values (10,2,-1), (20,3,-2);
create view v1 (x,y,z) as select c, b, a from t1;
create view v2 (x,y) as select b, a from t1;
create view v3 (x,y,z) as select b, a, b from t1;
create view v4 (x,y,z) as select c+1, b, a from t1;
create algorithm=temptable view v5 (x,y,z) as select c, b, a from t1;
# try insert to VIEW with fields duplicate
-- error 1288
insert into v3 values (-60,4,30);
# try insert to VIEW with expression in SELECT list
-- error 1288
insert into v4 values (-60,4,30);
# try insert to VIEW using temporary table algorithm
-- error 1288
insert into v5 values (-60,4,30);
insert into v1 values (-60,4,30);
insert into v1 (z,y,x) values (50,6,-100);
insert into v2 values (5,40);
select * from t1;
drop table t1;
drop view v1,v2,v3,v4,v5;

#
# insert ... select
#
create table t1 (a int, b int, c int, primary key(a,b));
insert into t1 values (10,2,-1), (20,3,-2);
create table t2 (a int, b int, c int, primary key(a,b));
insert into t2 values (30,4,-60);
create view v1 (x,y,z) as select c, b, a from t1;
create view v2 (x,y) as select b, a from t1;
create view v3 (x,y,z) as select b, a, b from t1;
create view v4 (x,y,z) as select c+1, b, a from t1;
create algorithm=temptable view v5 (x,y,z) as select c, b, a from t1;
# try insert to VIEW with fields duplicate
-- error 1288
insert into v3 select c, b, a from t2;
# try insert to VIEW with expression in SELECT list
-- error 1288
insert into v4 select c, b, a from t2;
# try insert to VIEW using temporary table algorithm
-- error 1288
insert into v5 select c, b, a from t2;
insert into v1 select c, b, a from t2;
insert into v1 (z,y,x) select a+20,b+2,-100 from t2;
insert into v2 select b+1, a+10 from t2;
select * from t1;
drop table t1, t2;
drop view v1,v2,v3,v4,v5;

#
# outer join based on VIEW with WHERE clause
#
create table t1 (a int, primary key(a));
insert into t1 values (1), (2), (3);
create view v1 (x) as select a from t1 where a > 1;
select t1.a, v1.x from t1 left join v1 on (t1.a= v1.x);
drop table t1;
drop view v1;

#
# merging WHERE condition on VIEW on VIEW
#
create table t1 (a int, primary key(a));
insert into t1 values (1), (2), (3), (200);
create view v1 (x) as select a from t1 where a > 1;
create view v2 (y) as select x from v1 where x < 100;
select * from v2;
drop table t1;
drop view v1,v2;

#
# VIEW on non-updatable view
#
create table t1 (a int, primary key(a));
insert into t1 values (1), (2), (3), (200);
create ALGORITHM=TEMPTABLE view v1 (x) as select a from t1;
create view v2 (y) as select x from v1;
-- error 1288
update v2 set y=10 where y=2;
drop table t1;
drop view v1,v2;

#
# auto_increment field out of VIEW
#
create table t1 (a int not null auto_increment, b int not null, primary key(a), unique(b));
create view v1 (x) as select b from t1;
insert into v1 values (1);
select last_insert_id();
insert into t1 (b) values (2);
select last_insert_id();
select * from t1;
drop view v1;
drop table t1;

#
# VIEW fields quoting
#
set sql_mode='ansi';
create table t1 ("a*b" int);
create view v1 as select "a*b" from t1;
show create view v1;
drop view v1;
drop table t1;
set sql_mode=default;

#
# VIEW without tables
#
create table t1 (t_column int);
create view v1 as select 'a';
select * from v1, t1;
drop view v1;
drop table t1;

#
# quote mark inside table name
#
create table `t1a``b` (col1 char(2));
create view v1 as select * from `t1a``b`;
select * from v1;
describe v1;
drop view v1;
drop table `t1a``b`;

#
# Changing of underlying table
#
create table t1 (col1 char(5),col2 char(5));
create view v1 as select * from t1;
drop table t1;
create table t1 (col1 char(5),newcol2 char(5));
-- error 1356
insert into v1 values('a','aa');
drop table t1;
-- error 1356
select * from v1;
drop view v1;

#
# check of duplication of column names
#
-- error 1060
create view v1 (a,a) as select 'a','a';

#
# SP variables inside view test
#
# QQ This can't be tested with the new table locking for functions,
# QQ since views created in an SP can't be used within the same SP
# QQ (just as for tables). Instead it fails with error 1146.
#delimiter //;
#create procedure p1 () begin declare v int; create view v1 as select v; end;//
#delimiter ;//
#-- error 1351
#call p1();
#drop procedure p1;

#
# updatablity should be transitive
#
create table t1 (col1 int,col2 char(22));
insert into t1 values(5,'Hello, world of views');
create view v1 as select * from t1;
create view v2 as select * from v1;
update v2 set col2='Hello, view world';
select * from t1;
drop view v2, v1;
drop table t1;

#
# check 'use index' on view with temporary table
#
create table t1 (a int, b int);
create view v1 as select a, sum(b) from t1 group by a;
-- error 1072
select b from v1 use index (some_index) where b=1;
drop view v1;
drop table t1;

#
# using VIEW fields several times in query resolved via temporary tables
#
create table t1 (col1 char(5),col2 char(5));
create view v1 (col1,col2) as select col1,col2 from t1;
insert into v1 values('s1','p1'),('s1','p2'),('s1','p3'),('s1','p4'),('s2','p1'),('s3','p2'),('s4','p4');
select distinct first.col2 from t1 first where first.col2 in (select second.col2 from t1 second where second.col1<>first.col1);
select distinct first.col2 from v1 first where first.col2 in (select second.col2 from t1 second where second.col1<>first.col1);
drop view v1;
drop table t1;

#
# Test of view updatability in prepared statement
#
create table t1 (a int);
create view v1 as select a from t1;
insert into t1 values (1);

#update
SET @v0 = '2';
PREPARE stmt FROM 'UPDATE v1 SET a = ?';
EXECUTE stmt USING @v0;
DEALLOCATE PREPARE stmt;

#insert without field list
SET @v0 = '3';
PREPARE stmt FROM 'insert into v1 values (?)';
EXECUTE stmt USING @v0;
DEALLOCATE PREPARE stmt;

#insert with field list
SET @v0 = '4';
PREPARE stmt FROM 'insert into v1 (a) values (?)';
EXECUTE stmt USING @v0;
DEALLOCATE PREPARE stmt;

select * from t1;

drop view v1;
drop table t1;

#
# error on preparation
#
-- error 1096
CREATE VIEW v02 AS SELECT * FROM DUAL;
SHOW TABLES;

#
# EXISTS with UNION VIEW
#
CREATE VIEW v1 AS SELECT EXISTS (SELECT 1 UNION SELECT 2);
select * from v1;
drop view v1;

#
# using VIEW where table is required
#
create table t1 (col1 int,col2 char(22));
create view v1 as select * from t1;
-- error 1347
create index i1 on v1 (col1);
drop view v1;
drop table t1;

#
# connection_id(), pi(), current_user(), version() representation test
#
CREATE VIEW v1 (f1,f2,f3,f4) AS SELECT connection_id(), pi(), current_user(), version();
SHOW CREATE VIEW v1;
drop view v1;

#
# VIEW built over UNION
#
create table t1 (s1 int);
create table t2 (s2 int);
insert into t1 values (1), (2);
insert into t2 values (2), (3);
create view v1 as select * from t1,t2 union all select * from t1,t2;
select * from v1;
drop view v1;
drop tables t1, t2;

#
# Aggregate functions in view list
#
create table t1 (col1 int);
insert into t1 values (1);
create view v1 as select count(*) from t1;
insert into t1 values (null);
select * from v1;
drop view v1;
drop table t1;

#
# Showing VIEW with VIEWs in subquery
#
create table t1 (a int);
create table t2 (a int);
create view v1 as select a from t1;
create view v2 as select a from t2 where a in (select a from v1);
show create view v2;
drop view v2, v1;
drop table t1, t2;

#
# SHOW VIEW view with name with spaces
#
CREATE VIEW `v 1` AS select 5 AS `5`;
show create view `v 1`;
drop view `v 1`;

#
# Removing database with .frm archives
#
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create view mysqltest.v1 as select a from mysqltest.t1;
alter view mysqltest.v1 as select b from mysqltest.t1;
alter view mysqltest.v1 as select a from mysqltest.t1;
drop database mysqltest;

#
# 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);
insert into t1 values (1),(1),(2),(2),(3),(3);
create view v1 as select a from t1;
select distinct a from v1;
select distinct a from v1 limit 2;
select distinct a from t1 limit 2;
prepare stmt1 from "select distinct a from v1 limit 2";
execute stmt1;
execute stmt1;
deallocate prepare stmt1;
drop view v1;
drop table t1;

#
# aggregate function of aggregate function
#
create table t1 (tg_column bigint);
create view v1 as select count(tg_column) as vg_column from t1;
select avg(vg_column) from v1;
drop view v1;
drop table t1;

#
# VIEW of VIEW with column renaming
#
create table t1 (col1 bigint not null, primary key (col1));
create table t2 (col1 bigint not null, key (col1));
create view v1 as select * from t1;
create view v2 as select * from t2;
insert into v1 values (1);
insert into v2 values (1);
create view v3 (a,b) as select v1.col1 as a, v2.col1 as b from v1, v2 where v1.col1 = v2.col1;
select * from v3;
show create view v3;
drop view v3, v2, v1;
drop table t2, t1;

#
# VIEW based on functions with  complex names
#
create function `f``1` () returns int return 5;
create view v1 as select test.`f``1` ();
show create view v1;
select * from v1;
drop view v1;
drop function `f``1`;

#
# tested problem when function name length close to ALIGN_SIZE
#
create function x () returns int return 5;
create view v1 as select x ();
select * from v1;
drop view v1;
drop function x;

#
# VIEW with collation
#
create table t2 (col1 char collate latin1_german2_ci);
create view v2 as select col1 collate latin1_german1_ci from t2;
show create view v2;
show create view v2;
drop view v2;
drop table t2;

#
# order by refers on integer field
#
create table t1 (a int);
insert into t1 values (1), (2);
create view v1 as select 5 from t1 order by 1;
select * from v1;
drop view v1;
drop table t1;

#
# VIEW over dropped function
#
create function x1 () returns int return 5;
create table t1 (s1 int);
create view v1 as select x1() from t1;
drop function x1;
-- error 1356
select * from v1;
--replace_column 8 # 12 # 13 #
show table status;
drop view v1;
drop table t1;

#
# VIEW with floating point (long number) as column
#
create view v1 as select 99999999999999999999999999999999999999999999999999999 as col1;
show create view v1;
drop view v1;

#
# VIEWs with national characters
#
create table t<> (c<> char);
create view v<> as select c<> from t<>;
insert into v<> values ('<27>');
select * from v<>;
drop view v<>;
drop table t<>;

#
# problem with used_tables() of outer reference resolved in VIEW
#
create table t1 (a int, b int);
insert into t1 values (1,2), (1,3), (2,4), (2,5), (3,10);
create view v1(c) as select a+1 from t1 where b >= 4;
select c from v1 where exists (select * from t1 where a=2 and b=c);
drop view v1;
drop table t1;

#
# view with cast operation
#
create view v1 as select cast(1 as char(3));
show create view v1;
select * from v1;
drop view v1;

#
# bug handling from VIEWs
#
create view v1 as select 'a',1;
create view v2 as select * from v1 union all select * from v1;
create view v3 as select * from v2 where 1 = (select `1` from v2);
create view v4 as select * from v3;
-- error 1242
select * from v4;
drop view v4, v3, v2, v1;

#
# VIEW over SELECT with prohibited clauses
#
-- error 1350
create view v1 as select 5 into @w;
-- error 1350
create view v1 as select 5 into outfile 'ttt';
create table t1 (a int);
-- error 1350
create view v1 as select a from t1 procedure analyse();
drop table t1;

#
# INSERT into VIEW with ON DUPLICATE
#
create table t1 (s1 int, primary key (s1));
create view v1 as select * from t1;
insert into v1 values (1) on duplicate key update s1 = 7;
insert into v1 values (1) on duplicate key update s1 = 7;
select * from t1;
drop view v1;
drop table t1;

#
# test of updating and fetching from the same table check
#
create table t1 (col1 int);
create table t2 (col1 int);
create view v1 as select * from t1;
create view v2 as select * from v1;
create view v3 as select v2.col1 from v2,t2 where v2.col1 = t2.col1;
-- error 1093
update v2 set col1 = (select max(col1) from v1);
-- error 1093
update v2 set col1 = (select max(col1) from t1);
-- error 1093
update v2 set col1 = (select max(col1) from v2);
-- error 1093
update v2,t2 set v2.col1 = (select max(col1) from v1) where v2.col1 = t2.col1;
-- error 1093
update t1,t2 set t1.col1 = (select max(col1) from v1) where t1.col1 = t2.col1;
-- error 1093
update v1,t2 set v1.col1 = (select max(col1) from v1) where v1.col1 = t2.col1;
-- error 1093
update t2,v2 set v2.col1 = (select max(col1) from v1) where v2.col1 = t2.col1;
-- error 1093
update t2,t1 set t1.col1 = (select max(col1) from v1) where t1.col1 = t2.col1;
-- error 1093
update t2,v1 set v1.col1 = (select max(col1) from v1) where v1.col1 = t2.col1;
-- error 1093
update v2,t2 set v2.col1 = (select max(col1) from t1) where v2.col1 = t2.col1;
-- error 1093
update t1,t2 set t1.col1 = (select max(col1) from t1) where t1.col1 = t2.col1;
-- error 1093
update v1,t2 set v1.col1 = (select max(col1) from t1) where v1.col1 = t2.col1;
-- error 1093
update t2,v2 set v2.col1 = (select max(col1) from t1) where v2.col1 = t2.col1;
-- error 1093
update t2,t1 set t1.col1 = (select max(col1) from t1) where t1.col1 = t2.col1;
-- error 1093
update t2,v1 set v1.col1 = (select max(col1) from t1) where v1.col1 = t2.col1;
-- error 1093
update v2,t2 set v2.col1 = (select max(col1) from v2) where v2.col1 = t2.col1;
-- error 1093
update t1,t2 set t1.col1 = (select max(col1) from v2) where t1.col1 = t2.col1;
-- error 1093
update v1,t2 set v1.col1 = (select max(col1) from v2) where v1.col1 = t2.col1;
-- error 1093
update t2,v2 set v2.col1 = (select max(col1) from v2) where v2.col1 = t2.col1;
-- error 1093
update t2,t1 set t1.col1 = (select max(col1) from v2) where t1.col1 = t2.col1;
-- error 1093
update t2,v1 set v1.col1 = (select max(col1) from v2) where v1.col1 = t2.col1;
-- error 1093
update v3 set v3.col1 = (select max(col1) from v1);
-- error 1093
update v3 set v3.col1 = (select max(col1) from t1);
-- error 1093
update v3 set v3.col1 = (select max(col1) from v2);
-- error 1093
update v3 set v3.col1 = (select max(col1) from v3);
-- error 1093
delete from v2 where col1 = (select max(col1) from v1);
-- error 1093
delete from v2 where col1 = (select max(col1) from t1);
-- error 1093
delete from v2 where col1 = (select max(col1) from v2);
-- error 1093
delete v2 from v2,t2 where (select max(col1) from v1) > 0 and v2.col1 = t2.col1;
-- error 1093
delete t1 from t1,t2 where (select max(col1) from v1) > 0 and t1.col1 = t2.col1;
-- error 1093
delete v1 from v1,t2 where (select max(col1) from v1) > 0 and v1.col1 = t2.col1;
-- error 1093
delete v2 from v2,t2 where (select max(col1) from t1) > 0 and v2.col1 = t2.col1;
-- error 1093
delete t1 from t1,t2 where (select max(col1) from t1) > 0 and t1.col1 = t2.col1;
-- error 1093
delete v1 from v1,t2 where (select max(col1) from t1) > 0 and v1.col1 = t2.col1;
-- error 1093
delete v2 from v2,t2 where (select max(col1) from v2) > 0 and v2.col1 = t2.col1;
-- error 1093
delete t1 from t1,t2 where (select max(col1) from v2) > 0 and t1.col1 = t2.col1;
-- error 1093
delete v1 from v1,t2 where (select max(col1) from v2) > 0 and v1.col1 = t2.col1;
-- error 1093
insert into v2 values ((select max(col1) from v1));
-- error 1093
insert into t1 values ((select max(col1) from v1));
-- error 1093
insert into v2 values ((select max(col1) from v1));
-- error 1093
insert into v2 values ((select max(col1) from t1));
-- error 1093
insert into t1 values ((select max(col1) from t1));
-- error 1093
insert into v2 values ((select max(col1) from t1));
-- error 1093
insert into v2 values ((select max(col1) from v2));
-- error 1093
insert into t1 values ((select max(col1) from v2));
-- error 1093
insert into v2 values ((select max(col1) from v2));
-- error 1093
insert into v3 (col1) values ((select max(col1) from v1));
-- error 1093
insert into v3 (col1) values ((select max(col1) from t1));
-- error 1093
insert into v3 (col1) values ((select max(col1) from v2));
#check with TZ tables in list
-- error 1093
insert into v3 (col1) values ((select CONVERT_TZ('20050101000000','UTC','MET') from v2));
insert into v3 (col1) values ((select CONVERT_TZ('20050101000000','UTC','MET') from t2));
-- error 1048
insert into mysql.time_zone values ('', (select CONVERT_TZ('20050101000000','UTC','MET') from t2));
# temporary table algorithm view should be equal to subquery in the from clause
create algorithm=temptable view v4 as select * from t1;
insert into t1 values (1),(2),(3);
insert into t1 (col1) values ((select max(col1) from v4));
select * from t1;

drop view v4,v3,v2,v1;
drop table t1,t2;

#
# HANDLER with VIEW
#
create table t1 (s1 int);
create view v1 as select * from t1;
-- error 1347
handler v1 open as xx;
drop view v1;
drop table t1;

#
# view with WHERE in nested join
#
create table t1(a int);
insert into t1 values (0), (1), (2), (3);
create table t2 (a int);
insert into t2 select a from t1 where a > 1;
create view v1 as select a from t1 where a > 1;
select * from t1 left join (t2 as t, v1) on v1.a=t1.a;
select * from t1 left join (t2 as t, t2) on t2.a=t1.a;
drop view v1;
drop table t1, t2;

#
# Collation with view update
#
create table t1 (s1 char);
create view v1 as select s1 collate latin1_german1_ci as s1 from t1;
insert into v1 values ('a');
select * from v1;
update v1 set s1='b';
select * from v1;
update v1,t1 set v1.s1='c' where t1.s1=v1.s1;
select * from v1;
prepare stmt1 from "update v1,t1 set v1.s1=? where t1.s1=v1.s1";
set @arg='d';
execute stmt1 using @arg;
select * from v1;
set @arg='e';
execute stmt1 using @arg;
select * from v1;
deallocate prepare stmt1;
drop view v1;
drop table t1;

#
# test view with LOCK TABLES (work around)
#
create table t1 (a int);
create table t2 (a int);
create view v1 as select * from t1;
lock tables t1 read, v1 read;
select * from v1;
-- error 1100
select * from t2;
drop view v1;
drop table t1, t2;

#
# WITH CHECK OPTION insert/update test
#
create table t1 (a int);
create view v1 as select * from t1 where a < 2 with check option;
# simple insert
insert into v1 values(1);
-- error 1369
insert into v1 values(3);
# simple insert with ignore
insert ignore into v1 values (2),(3),(0);
select * from t1;
# prepare data for next check
delete from t1;
# INSERT SELECT test
insert into v1 SELECT 1;
-- error 1369
insert into v1 SELECT 3;
# prepare data for next check
create table t2 (a int);
insert into t2 values (2),(3),(0);
# INSERT SELECT with ignore test
insert ignore into v1 SELECT a from t2;
select * from t1;
#simple UPDATE test
update v1 set a=-1 where a=0;
-- error 1369
update v1 set a=2 where a=1;
select * from t1;
# prepare data for next check
update v1 set a=0 where a=0;
insert into t2 values (1);
# multiupdate test
update v1,t2 set v1.a=v1.a-1 where v1.a=t2.a;
select * from t1;
# prepare data for next check
update v1 set a=a+1;
# multiupdate with ignore test
update ignore v1,t2 set v1.a=v1.a+1 where v1.a=t2.a;
select * from t1;

drop view v1;
drop table t1, t2;

#
# CASCADED/LOCAL CHECK OPTION test
#
create table t1 (a int);
create view v1 as select * from t1 where a < 2 with check option;
create view v2 as select * from v1 where a > 0 with local check option;
create view v3 as select * from v1 where a > 0 with cascaded check option;
insert into v2 values (1);
insert into v3 values (1);
-- error 1369
insert into v2 values (0);
-- error 1369
insert into v3 values (0);
insert into v2 values (2);
-- error 1369
insert into v3 values (2);
select * from t1;
drop view v3,v2,v1;
drop table t1;

#
# CHECK OPTION with INSERT ... ON DUPLICATE KEY UPDATE
#
create table t1 (a int, primary key (a));
create view v1 as select * from t1 where a < 2 with check option;
insert into v1 values (1) on duplicate key update a=2;
-- error 1369
insert into v1 values (1) on duplicate key update a=2;
insert ignore into v1 values (1) on duplicate key update a=2;
select * from t1;
drop view v1;
drop table t1;

#
# check cyclic referencing protection on altering view
#
create table t1 (s1 int);
create view v1 as select * from t1;
create view v2 as select * from v1;
-- error 1146
alter view v1 as select * from v2;
-- error 1066
alter view v1 as select * from v1;
-- error 1146
create or replace view v1 as select * from v2;
-- error 1066
create or replace view v1 as select * from v1;
drop view v2,v1;
drop table t1;

#
# check altering differ options
#
create table t1 (a int);
create view v1 as select * from t1;
show create view v1;
alter algorithm=undefined view v1 as select * from t1 with check option;
show create view v1;
alter algorithm=merge view v1 as select * from t1 with cascaded check option;
show create view v1;
alter algorithm=temptable view v1 as select * from t1;
show create view v1;
drop view v1;
drop table t1;

#
# updating view with subquery in the WHERE clause
#
create table t1 (s1 int);
create table t2 (s1 int);
create view v2 as select * from t2 where s1 in (select s1 from t1);
insert into v2 values (5);
insert into t1 values (5);
select * from v2;
update v2 set s1 = 0;
select * from v2;
select * from t2;
# check it with check option
alter view v2 as select * from t2 where s1 in (select s1 from t1) with check option;
insert into v2 values (5);
-- error 1369
update v2 set s1 = 1;
insert into t1 values (1);
update v2 set s1 = 1;
select * from v2;
select * from t2;
# scheck how VIEWs with subqueries work with prepared statements
prepare stmt1 from "select * from v2;";
execute stmt1;
insert into t1 values (0);
execute stmt1;
deallocate prepare stmt1;
drop view v2;
drop table t1, t2;

#
# test of substring_index with view
#
create table t1 (t time);
create view v1 as select substring_index(t,':',2) as t from t1;
insert into t1 (t) values ('12:24:10');
select substring_index(t,':',2) from t1;
select substring_index(t,':',2) from v1;
drop view v1;
drop table t1;

#
# test of cascaded check option for whiew without WHERE clause
#
create table t1 (s1 tinyint);
create view v1 as select * from t1 where s1 <> 0 with local check option;
create view v2 as select * from v1 with cascaded check option;
-- error 1369
insert into v2 values (0);
drop view v2, v1;
drop table t1;

#
# inserting single value with check option failed always get error
#
create table t1 (s1 int);
create view v1 as select * from t1 where s1 < 5 with check option;
#single value
-- error 1369
insert ignore into v1 values (6);
#several values
insert ignore into v1 values (6),(3);
select * from t1;
drop view v1;
drop table t1;

#
# changing value by trigger and CHECK OPTION
#
create table t1 (s1 tinyint);
create trigger t1_bi before insert on t1 for each row set new.s1 = 500;
create view v1 as select * from t1 where s1 <> 127 with check option;
-- error 1369
insert into v1 values (0);
select * from v1;
select * from t1;
drop trigger t1.t1_bi;
drop view v1;
drop table t1;

#
# CASCADED should be used for all underlaying VIEWs
#
create table t1 (s1 tinyint);
create view v1 as select * from t1 where s1 <> 0;
create view v2 as select * from v1 where s1 <> 1 with cascaded check option;
-- error 1369
insert into v2 values (0);
select * from v2;
select * from t1;
drop view v2, v1;
drop table t1;

#
# LOAD DATA with view and CHECK OPTION
#
# fixed length fields
create table t1 (a int, b char(10));
create view v1 as select * from t1 where a != 0 with check option;
-- error 1369
load data infile '../../std_data/loaddata3.dat' into table v1 fields terminated by '' enclosed by '' ignore 1 lines;
select * from t1;
select * from v1;
delete from t1;
load data infile '../../std_data/loaddata3.dat' ignore into table v1 fields terminated by '' enclosed by '' ignore 1 lines;
select * from t1;
select * from v1;
drop view v1;
drop table t1;
# variable length fields
create table t1 (a text, b text);
create view v1 as select * from t1 where a <> 'Field A' with check option;
-- error 1369
load data infile '../../std_data/loaddata2.dat' into table v1 fields terminated by ',' enclosed by '''';
select concat('|',a,'|'), concat('|',b,'|') from t1;
select concat('|',a,'|'), concat('|',b,'|') from v1;
delete from t1;
load data infile '../../std_data/loaddata2.dat' ignore into table v1 fields terminated by ',' enclosed by '''';
select concat('|',a,'|'), concat('|',b,'|') from t1;
select concat('|',a,'|'), concat('|',b,'|') from v1;
drop view v1;
drop table t1;

#
# Trys update table from which we select using views and subqueries
#
create table t1 (s1 smallint);
create view v1 as select * from t1 where 20 < (select (s1) from t1);
-- error 1288
insert into v1 values (30);
create view v2 as select * from t1;
create view v3 as select * from t1 where 20 < (select (s1) from v2);
-- error 1288
insert into v3 values (30);
create view v4 as select * from v2 where 20 < (select (s1) from t1);
-- error 1093
insert into v4 values (30);
drop view v4, v3, v2, v1;
drop table t1;

#
# CHECK TABLE with VIEW
#
create table t1 (a int);
create view v1 as select * from t1;
check table t1,v1;
check table v1,t1;
drop table t1;
check table v1;
drop view v1;

#
# merge of VIEW with several tables
#
create table t1 (a int);
create table t2 (a int);
create table t3 (a int);
insert into t1 values (1), (2), (3);
insert into t2 values (1), (3);
insert into t3 values (1), (2), (4);
# view over tables
create view v3 (a,b) as select t1.a as a, t2.a as b from t1 left join t2 on (t1.a=t2.a);
select * from t3 left join v3 on (t3.a = v3.a);
explain extended select * from t3 left join v3 on (t3.a = v3.a);
# view over views
create view v1 (a) as select a from t1;
create view v2 (a) as select a from t2;
create view v4 (a,b) as select v1.a as a, v2.a as b from v1 left join v2 on (v1.a=v2.a);
select * from t3 left join v4 on (t3.a = v4.a);
explain extended select * from t3 left join v4 on (t3.a = v4.a);
# PS with view over views
prepare stmt1 from "select * from t3 left join v4 on (t3.a = v4.a);";
execute stmt1;
execute stmt1;
deallocate prepare stmt1;
drop view v4,v3,v2,v1;
drop tables t1,t2,t3;

#
# updating of join view
#
create table t1 (a int, primary key (a), b int);
create table t2 (a int, primary key (a));
insert into t1 values (1,100), (2,200);
insert into t2 values (1), (3);
# legal view for update
create view v3 (a,b) as select t1.a as a, t2.a as b from t1, t2;
update v3 set a= 10 where a=1;
select * from t1;
select * from t2;
# view without primary key
create view v2 (a,b) as select t1.b as a, t2.a as b from t1, t2;
set updatable_views_with_limit=NO;
-- error 1288
update v2 set a= 10 where a=200 limit 1;
set updatable_views_with_limit=DEFAULT;
# just view selects
select * from v3;
select * from v2;
# prepare statement with updating join view
set @a= 10;
set @b= 100;
prepare stmt1 from "update v3 set a= ? where a=?";
execute stmt1 using @a,@b;
select * from v3;
set @a= 300;
set @b= 10;
execute stmt1 using @a,@b;
select * from v3;
deallocate prepare stmt1;
drop view v3,v2;
drop tables t1,t2;

#
# inserting/deleting join view
#
create table t1 (a int, primary key (a), b int);
create table t2 (a int, primary key (a), b int);
insert into t2 values (1000, 2000);
create view v3 (a,b) as select t1.a as a, t2.a as b from t1, t2;
# inserting into join view without field list
-- error 1394
insert into v3 values (1,2);
-- error 1394
insert into v3 select * from t2;
# inserting in several tables of join view
-- error 1393
insert into v3(a,b) values (1,2);
-- error 1393
insert into v3(a,b) select * from t2;
# correct inserts into join view
insert into v3(a) values (1);
insert into v3(b) values (10);
insert into v3(a) select a from t2;
insert into v3(b) select b from t2;
insert into v3(a) values (1) on duplicate key update a=a+10000+VALUES(a);
select * from t1;
select * from t2;
# try delete from join view
-- error 1395
delete from v3;
-- error 1395
delete v3,t1 from v3,t1;
-- error 1395
delete t1,v3 from t1,v3;
# delete from t1 just to reduce result set size
delete from t1;
# prepare statement with insert join view
prepare stmt1 from "insert into v3(a) values (?);";
set @a= 100;
execute stmt1 using @a;
set @a= 300;
execute stmt1 using @a;
deallocate prepare stmt1;
prepare stmt1 from "insert into v3(a) select ?;";
set @a= 101;
execute stmt1 using @a;
set @a= 301;
execute stmt1 using @a;
deallocate prepare stmt1;
select * from v3;

drop view v3;
drop tables t1,t2;

#
# View field names should be case insensitive 
#
create table t1(f1 int);
create view v1 as select f1 from t1;
select * from v1 where F1 = 1;
drop view v1;
drop table t1;

#
# Resolving view fields in subqueries in VIEW (Bug #6394)
#
create table t1(c1 int);
create table t2(c2 int);
insert into t1 values (1),(2),(3);
insert into t2 values (1);
SELECT c1 FROM t1 WHERE c1 IN (SELECT c2 FROM t2);
SELECT c1 FROM t1 WHERE EXISTS (SELECT c2 FROM t2 WHERE c2 = c1);
create view v1 as SELECT c1 FROM t1 WHERE c1 IN (SELECT c2 FROM t2);
create view v2 as SELECT c1 FROM t1 WHERE EXISTS (SELECT c2 FROM t2 WHERE c2 = c1);
select * from v1;
select * from v2;
select * from (select c1 from v2) X;
drop view v2, v1;
drop table t1, t2;

#
# view over other view setup (BUG#7433)
#
CREATE TABLE t1 (C1 INT, C2 INT);
CREATE TABLE t2 (C2 INT);
CREATE VIEW v1 AS SELECT C2 FROM t2;
CREATE VIEW v2 AS SELECT C1 FROM t1 LEFT OUTER JOIN v1 USING (C2);
SELECT * FROM v2;
drop view v2, v1;
drop table t1, t2;

#
# view and group_concat() (BUG#7116)
#
create table t1 (col1 char(5),col2 int,col3 int); 
insert into t1 values ('one',10,25), ('two',10,50), ('two',10,50), ('one',20,25), ('one',30,25); 
create view v1 as select * from t1;
select col1,group_concat(col2,col3) from t1 group by col1;
select col1,group_concat(col2,col3) from v1 group by col1;
drop view v1;
drop table t1;

#
# Item_ref resolved as view field (BUG#6894)
#
create table t1 (s1 int, s2 char);
create view v1 as select s1, s2 from t1;
-- error 1054
select s2 from v1 vq1 where 2 = (select count(*) from v1 vq2 having vq1.s2 = vq2.s2);
select s2 from v1 vq1 where 2 = (select count(*) aa from v1 vq2 having vq1.s2 = aa);
drop view v1;
drop table t1;

#
# Test case for bug #9398 CREATE TABLE with SELECT from a multi-table view
#
CREATE TABLE t1 (a1 int);
CREATE TABLE t2 (a2 int);
INSERT INTO t1 VALUES (1), (2), (3), (4);
INSERT INTO t2 VALUES (1), (2), (3);
CREATE VIEW v1(a,b) AS SELECT a1,a2 FROM t1 JOIN t2 ON a1=a2 WHERE a1>1;

SELECT * FROM v1;
CREATE TABLE t3 SELECT * FROM v1;
SELECT * FROM t3;

DROP VIEW v1;
DROP TABLE t1,t2,t3;

#
# Test for BUG#8703 "insert into table select from view crashes"
#
create table t1 (a int);
create table t2 like t1;
create table t3 like t1;
create view v1 as select t1.a x, t2.a y from t1 join t2 where t1.a=t2.a;
insert into t3 select x from v1;
insert into t2 select x from v1;
drop view v1;
drop table t1,t2,t3;

#
# Test for BUG #6106: query over a view using subquery for the underlying table
#

CREATE TABLE t1 (col1 int PRIMARY KEY, col2 varchar(10)); 
INSERT INTO t1 VALUES(1,'trudy'); 
INSERT INTO t1 VALUES(2,'peter'); 
INSERT INTO t1 VALUES(3,'sanja'); 
INSERT INTO t1 VALUES(4,'monty'); 
INSERT INTO t1 VALUES(5,'david'); 
INSERT INTO t1 VALUES(6,'kent'); 
INSERT INTO t1 VALUES(7,'carsten'); 
INSERT INTO t1 VALUES(8,'ranger'); 
INSERT INTO t1 VALUES(10,'matt'); 
CREATE TABLE t2 (col1 int, col2 int, col3 char(1)); 
INSERT INTO t2 VALUES (1,1,'y'); 
INSERT INTO t2 VALUES (1,2,'y'); 
INSERT INTO t2 VALUES (2,1,'n'); 
INSERT INTO t2 VALUES (3,1,'n'); 
INSERT INTO t2 VALUES (4,1,'y'); 
INSERT INTO t2 VALUES (4,2,'n'); 
INSERT INTO t2 VALUES (4,3,'n'); 
INSERT INTO t2 VALUES (6,1,'n'); 
INSERT INTO t2 VALUES (8,1,'y');
 
CREATE VIEW v1 AS SELECT * FROM t1; 

SELECT a.col1,a.col2,b.col2,b.col3 
  FROM t1 a LEFT JOIN t2 b ON a.col1=b.col1
    WHERE b.col2 IS NULL OR 
          b.col2=(SELECT MAX(col2) FROM t2 b WHERE b.col1=a.col1);

SELECT a.col1,a.col2,b.col2,b.col3 
  FROM v1 a LEFT JOIN t2 b ON a.col1=b.col1
    WHERE b.col2 IS NULL OR 
          b.col2=(SELECT MAX(col2) FROM t2 b WHERE b.col1=a.col1);

CREATE VIEW v2 AS SELECT * FROM t2; 

SELECT a.col1,a.col2,b.col2,b.col3
  FROM v2 b RIGHT JOIN v1 a ON a.col1=b.col1
    WHERE b.col2 IS NULL OR
          b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1); 

# Tests from the report for bug #6107

SELECT a.col1,a.col2,b.col2,b.col3
  FROM v2 b RIGHT JOIN v1 a ON a.col1=b.col1
    WHERE a.col1 IN (1,5,9) AND
         (b.col2 IS NULL OR
          b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1)); 

CREATE VIEW v3 AS SELECT * FROM t1 WHERE col1 IN (1,5,9);

SELECT a.col1,a.col2,b.col2,b.col3
  FROM v2 b RIGHT JOIN v3 a ON a.col1=b.col1
    WHERE b.col2 IS NULL OR
          b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1); 
 
DROP VIEW v1,v2,v3;
DROP TABLE t1,t2;

#
# BUG#8490 Select from views containing subqueries causes server to hang 
# forever.
#
create table t1 as select 1 A union select 2 union select 3;
create table t2 as select * from t1;
create view v1 as select * from t1 where a in (select * from t2);
select * from v1 A, v1 B where A.a = B.a;
create table t3 as select a a,a b from t2;
create view v2 as select * from t3 where 
  a in (select * from t1) or b in (select * from t2);
select * from v2 A, v2 B where A.a = B.b;
drop view v1, v2;
drop table t1, t2, t3;

#
# Test case for bug #8528: select from view over multi-table view
#
CREATE TABLE t1 (a int);
CREATE TABLE t2 (b int);
INSERT INTO t1 VALUES (1), (2), (3), (4);
INSERT INTO t2 VALUES (4), (2);

CREATE VIEW v1 AS SELECT * FROM t1,t2 WHERE t1.a=t2.b;
SELECT * FROM v1;
CREATE VIEW v2 AS SELECT * FROM v1;
SELECT * FROM v2;

DROP VIEW v2,v1;

DROP TABLE t1, t2;
#
# Correct restoring view name in SP table locking BUG#9758
#
create table t1 (a int);
create view v1 as select sum(a) from t1 group by a;
delimiter //;
create procedure p1()
begin
select * from v1;
end//
delimiter ;//
call p1();
call p1();
drop procedure p1;
drop view v1;
drop table t1;

#
# using sum(distinct ) & avg(distinct ) in views (BUG#7015)
#
create table t1 (s1 int);
create view  v1 as select sum(distinct s1) from t1;
select * from v1;
drop view v1;
create view  v1 as select avg(distinct s1) from t1;
select * from v1;
drop view v1;
drop table t1;

#
# using cast(... as decimal) in views (BUG#11387);
#
create view v1 as select cast(1 as decimal);
select * from v1;
drop view v1;