path: root/mysql-test/t/view.test

--disable_warnings
drop table if exists t1,t2,t3,t4,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 ER_VIEW_SELECT_VARIABLE
create view v1 (c,d) as select a,b+@@global.max_user_connections from t1;
-- error ER_VIEW_SELECT_VARIABLE
create view v1 (c,d) as select a,b from t1
  where a = @@global.max_user_connections;

# simple view
create view v1 (c) as select b+1 from t1;
select c from v1;
select is_updatable from information_schema.views where table_name='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 8 # 12 # 13 #
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;

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;
select is_updatable from information_schema.views where table_name='v2';
select is_updatable from information_schema.views where table_name='v1';
# 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 ER_NON_INSERTABLE_TABLE
insert into v3 values (-60,4,30);
# try insert to VIEW with expression in SELECT list
-- error ER_NON_INSERTABLE_TABLE
insert into v4 values (-60,4,30);
# try insert to VIEW using temporary table algorithm
-- error ER_NON_INSERTABLE_TABLE
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 ER_NON_INSERTABLE_TABLE
insert into v3 select c, b, a from t2;
# try insert to VIEW with expression in SELECT list
-- error ER_NON_INSERTABLE_TABLE
insert into v4 select c, b, a from t2;
# try insert to VIEW using temporary table algorithm
-- error ER_NON_INSERTABLE_TABLE
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';

#
# 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 is_updatable from information_schema.views;
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 ER_WRONG_USAGE
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 a() returns int return 5;
create view v1 as select a();
select * from v1;
drop view v1;
drop function a;

#
# 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
#

SET @old_cs_client = @@character_set_client;
SET @old_cs_results = @@character_set_results;
SET @old_cs_connection = @@character_set_connection;

set names utf8;
create table tü (cü char);
create view vü as select cü from tü;
insert into vü values ('ü');
select * from vü;
drop view vü;
drop table tü;

SET character_set_client = @old_cs_client;
SET character_set_results = @old_cs_results;
SET character_set_connection = @old_cs_connection;

#
# 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;

#
# renaming views
#
create table t1 (a int);
create view v1 as select a from t1;
create view v3 as select a from t1;
create database mysqltest;
-- error 1450
rename table v1 to mysqltest.v1;
rename table v1 to v2;
--error 1050
rename table v3 to v1, v2 to t1;
drop table t1;
drop view v2,v3;
drop database mysqltest;

#
# 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();
-- error ER_VIEW_SELECT_DERIVED
create view v1 as select 1 from (select 1) as d1;
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 table t3 (col1 datetime not null);
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 1443
update v2 set col1 = (select max(col1) from v1);
-- error 1443
update v2 set col1 = (select max(col1) from t1);
-- error 1093
update v2 set col1 = (select max(col1) from v2);
-- error 1443
update v2,t2 set v2.col1 = (select max(col1) from v1) where v2.col1 = t2.col1;
-- error 1443
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 1443
update t2,v2 set v2.col1 = (select max(col1) from v1) where v2.col1 = t2.col1;
-- error 1443
update t2,t1 set t1.col1 = (select max(col1) from v1) where t1.col1 = t2.col1;
-- error 1443
update t2,v1 set v1.col1 = (select max(col1) from v1) where v1.col1 = t2.col1;
-- error 1443
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 1443
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 1443
update t1,t2 set t1.col1 = (select max(col1) from v2) where t1.col1 = t2.col1;
-- error 1443
update v1,t2 set v1.col1 = (select max(col1) from v2) where v1.col1 = t2.col1;
-- error 1443
update t2,v2 set v2.col1 = (select max(col1) from v2) where v2.col1 = t2.col1;
-- error 1443
update t2,t1 set t1.col1 = (select max(col1) from v2) where t1.col1 = t2.col1;
-- error 1443
update t2,v1 set v1.col1 = (select max(col1) from v2) where v1.col1 = t2.col1;
-- error 1443
update v3 set v3.col1 = (select max(col1) from v1);
-- error 1443
update v3 set v3.col1 = (select max(col1) from t1);
-- error 1443
update v3 set v3.col1 = (select max(col1) from v2);
-- error 1093
update v3 set v3.col1 = (select max(col1) from v3);
-- error 1443
delete from v2 where col1 = (select max(col1) from v1);
-- error 1443
delete from v2 where col1 = (select max(col1) from t1);
-- error 1093
delete from v2 where col1 = (select max(col1) from v2);
-- error 1443
delete v2 from v2,t2 where (select max(col1) from v1) > 0 and v2.col1 = t2.col1;
-- error 1443
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 1443
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 1443
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 1443
delete t1 from t1,t2 where (select max(col1) from v2) > 0 and t1.col1 = t2.col1;
-- error 1443
delete v1 from v1,t2 where (select max(col1) from v2) > 0 and v1.col1 = t2.col1;
-- error 1443
insert into v2 values ((select max(col1) from v1));
-- error 1443
insert into t1 values ((select max(col1) from v1));
-- error 1443
insert into v2 values ((select max(col1) from v1));
-- error 1443
insert into v2 values ((select max(col1) from t1));
-- error 1093
insert into t1 values ((select max(col1) from t1));
-- error 1443
insert into v2 values ((select max(col1) from t1));
-- error 1093
insert into v2 values ((select max(col1) from v2));
-- error 1443
insert into t1 values ((select max(col1) from v2));
-- error 1093
insert into v2 values ((select max(col1) from v2));
-- error 1443
insert into v3 (col1) values ((select max(col1) from v1));
-- error 1443
insert into v3 (col1) values ((select max(col1) from t1));
-- error 1443
insert into v3 (col1) values ((select max(col1) from v2));
#check with TZ tables in list
-- error 1443
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 t3 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,t3;

#
# 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 order by a desc;
#simple UPDATE test
update v1 set a=-1 where a=0;
-- error 1369
update v1 set a=2 where a=1;
select * from t1 order by a desc;
# 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 order by a desc;
# 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 1146
alter view v1 as select * from v1;
-- error 1146
create or replace view v1 as select * from v2;
-- error 1146
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_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 order by a,b;
select * from v1 order by a,b;
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 ER_NON_INSERTABLE_TABLE
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 ER_NON_INSERTABLE_TABLE
insert into v3 values (30);
create view v4 as select * from v2 where 20 < (select (s1) from t1);
-- error ER_NON_INSERTABLE_TABLE
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;

#
# Bug#7422 "order by" doesn't work
#
CREATE TABLE t1(a char(2) primary key, b char(2));
CREATE TABLE t2(a char(2), b char(2), index i(a));
INSERT INTO t1 VALUES ('a','1'), ('b','2');
INSERT INTO t2 VALUES ('a','5'), ('a','6'), ('b','5'), ('b','6');
CREATE VIEW v1 AS
  SELECT t1.b as c, t2.b as d FROM t1,t2 WHERE t1.a=t2.a;
SELECT d, c FROM v1 ORDER BY d,c;
DROP VIEW v1;
DROP TABLE t1, t2;
#
# 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;

#
# Bug#11298 insert into select from VIEW produces incorrect result when 
#           using ORDER BY
create table t1(f1 int);
create table t2(f2 int);
insert into t1 values(1),(2),(3);
insert into t2 values(1),(2),(3);
create view v1 as select * from t1,t2 where f1=f2;
create table t3 (f1 int, f2 int);
insert into t3 select * from v1 order by 1;
select * from t3;
drop view v1;
drop table t1,t2,t3;

#
# Generation unique names for columns, and correct names check (BUG#7448)
#
# names with ' and \
create view v1 as select '\\','\\shazam';
select * from v1;
drop view v1;
create view v1 as select '\'','\shazam';
select * from v1;
drop view v1;
# autogenerated names differ by case only
create view v1 as select 'k','K';
select * from v1;
drop view v1;
create table t1 (s1 int);
# same autogenerated names
create view v1 as select s1, 's1' from t1;
select * from v1;
drop view v1;
create view v1 as select 's1', s1 from t1;
select * from v1;
drop view v1;
# set name as one of expected autogenerated
create view v1 as select 's1', s1, 1 as My_exp_s1 from t1;
select * from v1;
drop view v1;
create view v1 as select 1 as My_exp_s1, 's1', s1  from t1;
select * from v1;
drop view v1;
# set name conflict with autogenerated names
create view v1 as select 1 as s1, 's1', 's1' from t1;
select * from v1;
drop view v1;
create view v1 as select 's1', 's1', 1 as s1 from t1;
select * from v1;
drop view v1;
# underlying field name conflict with autogenerated names
create view v1 as select s1, 's1', 's1' from t1;
select * from v1;
drop view v1;
create view v1 as select 's1', 's1', s1 from t1;
select * from v1;
drop view v1;
# underlying field name conflict with set name
-- error 1060
create view v1 as select 1 as s1, 's1', s1 from t1;
-- error 1060
create view v1 as select 's1', s1, 1 as s1 from t1;
drop table t1;
# set names differ by case only
-- error 1060
create view v1(k, K) as select 1,2;

#
# using time_format in view (BUG#7521)
#
create view v1 as SELECT TIME_FORMAT(SEC_TO_TIME(3600),'%H:%i') as t;
select * from v1;
drop view v1;

#
# evaluation constant functions in WHERE (BUG#4663)
#
create table t1 (a timestamp default now());
create table t2 (b timestamp default now());
create view v1 as select a,b,t1.a < now() from t1,t2 where t1.a < now();
SHOW CREATE VIEW v1;
drop view v1;
drop table t1, t2;
CREATE TABLE t1 ( a varchar(50) );
CREATE VIEW v1 AS SELECT * FROM t1 WHERE a = CURRENT_USER();
SHOW CREATE VIEW v1;
DROP VIEW v1;
CREATE VIEW v1 AS SELECT * FROM t1 WHERE a = VERSION();
SHOW CREATE VIEW v1;
DROP VIEW v1;
CREATE VIEW v1 AS SELECT * FROM t1 WHERE a = DATABASE();
SHOW CREATE VIEW v1;
DROP VIEW v1;
DROP TABLE t1;

#
# checking views after some view with error (BUG#11337)
#
CREATE TABLE t1 (col1 time);
CREATE TABLE t2 (col1 time);
CREATE VIEW v1 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t1;
CREATE VIEW v2 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t2;
CREATE VIEW v3 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t1;
CREATE VIEW v4 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t2;
CREATE VIEW v5 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t1;
CREATE VIEW v6 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t2;
DROP TABLE t1;
CHECK TABLE v1, v2, v3, v4, v5, v6;
drop view v1, v2, v3, v4, v5, v6;
drop table t2;

--disable_warnings
drop function if exists f1;
drop function if exists f2;
--enable_warnings
CREATE TABLE t1 (col1 time);
CREATE TABLE t2 (col1 time);
CREATE TABLE t3 (col1 time);
create function f1 () returns int return (select max(col1) from t1);
create function f2 () returns int return (select max(col1) from t2);
CREATE VIEW v1 AS SELECT f1() FROM t3;
CREATE VIEW v2 AS SELECT f2() FROM t3;
CREATE VIEW v3 AS SELECT f1() FROM t3;
CREATE VIEW v4 AS SELECT f2() FROM t3;
CREATE VIEW v5 AS SELECT f1() FROM t3;
CREATE VIEW v6 AS SELECT f2() FROM t3;
drop function f1;
CHECK TABLE v1, v2, v3, v4, v5, v6;
create function f1 () returns int return (select max(col1) from t1);
DROP TABLE t1;
CHECK TABLE v1, v2, v3, v4, v5, v6;
drop function f1;
drop function f2;
drop view v1, v2, v3, v4, v5, v6;
drop table t2,t3;

#
# bug #11325 Wrong date comparison in views
#
create table t1 (f1 date);
insert into t1 values ('2005-01-01'),('2005-02-02');
create view v1 as select * from t1;
select * from v1 where f1='2005.02.02';
select * from v1 where '2005.02.02'=f1;
drop view v1;
drop table t1;

#
# using encrypt & substring_index in view (BUG#7024)
#
CREATE VIEW v1 AS SELECT ENCRYPT("dhgdhgd");
disable_result_log;
SELECT * FROM v1;
enable_result_log;
drop view v1;
CREATE VIEW v1 AS SELECT SUBSTRING_INDEX("dkjhgd:kjhdjh", ":", 1);
SELECT * FROM v1;
drop view v1;

#
# hide underlying tables names in case of imposibility to update (BUG#10773)
#
create table t1 (f59 int, f60 int, f61 int);
insert into t1 values (19,41,32);
create view v1 as select f59, f60 from t1 where f59 in  
         (select f59 from t1);
-- error 1288
update v1 set f60=2345;
-- error 1443
update t1 set f60=(select max(f60) from v1);
drop view v1;
drop table t1;

#
# Using var_samp with view (BUG#10651)
#
create table t1 (s1 int);
create view v1 as select var_samp(s1) from t1;
show create view v1;
drop view v1;
drop table t1;

#
# Correct inserting data check (absence of default value) for view
# underlying tables (BUG#6443)
#
set sql_mode='strict_all_tables';
CREATE TABLE t1 (col1 INT NOT NULL, col2 INT NOT NULL);
CREATE VIEW v1 (vcol1) AS SELECT col1 FROM t1;
CREATE VIEW v2 (vcol1) AS SELECT col1 FROM t1 WHERE col2 > 2;
-- error 1364
INSERT INTO t1 (col1) VALUES(12);
-- error 1423
INSERT INTO v1 (vcol1) VALUES(12);
-- error 1423
INSERT INTO v2 (vcol1) VALUES(12);
set sql_mode=default;
drop view v2,v1;
drop table t1;

#
# Bug#11399 Use an alias in a select statement on a view
#
create table t1 (f1 int);
insert into t1 values (1);
create view v1 as select f1 from t1;
select f1 as alias from v1;
drop view v1;
drop table t1;

#
# Test for bug #6120: SP cache to be invalidated when altering a view
#

CREATE TABLE t1 (s1 int, s2 int);
INSERT  INTO t1 VALUES (1,2);
CREATE VIEW v1 AS SELECT s2 AS s1, s1 AS s2 FROM t1;
SELECT * FROM v1;
CREATE PROCEDURE p1 () SELECT * FROM v1;
CALL p1();
ALTER VIEW v1 AS SELECT s1 AS s1, s2 AS s2 FROM t1;
CALL p1();
DROP VIEW v1;
CREATE VIEW v1 AS SELECT s2 AS s1, s1 AS s2 FROM t1;
CALL p1();

DROP PROCEDURE p1;
DROP VIEW v1;
DROP TABLE t1;

#
# Test for bug #11709 View was ordered by wrong column
#
create table t1 (f1 int, f2 int);
create view v1 as select f1 as f3, f2 as f1 from t1;
insert into t1 values (1,3),(2,1),(3,2);
select * from v1 order by f1;
drop view v1;
drop table t1;

#
# Test for bug #11771: wrong query_id in SELECT * FROM <view>
#
CREATE TABLE t1 (f1 char);
INSERT INTO t1 VALUES ('A');
CREATE VIEW  v1 AS SELECT * FROM t1;

INSERT INTO t1 VALUES('B');
SELECT * FROM v1;
SELECT * FROM t1;

DROP VIEW v1;
DROP TABLE t1;

#
# opening table in correct locking mode (BUG#9597)
#
CREATE TABLE t1 ( bug_table_seq   INTEGER NOT NULL);
CREATE OR REPLACE VIEW v1 AS SELECT * from t1;
DROP PROCEDURE IF EXISTS p1;
delimiter //;
CREATE PROCEDURE p1 ( )
BEGIN
        DO (SELECT  @next := IFNULL(max(bug_table_seq),0) + 1 FROM v1);
        INSERT INTO t1 VALUES (1);
END //
delimiter ;//
CALL p1();
DROP PROCEDURE p1;
DROP VIEW v1;
DROP TABLE t1;

#
# Bug #11760 Typo in Item_func_add_time::print() results in NULLs returned
#             subtime() in view
create table t1(f1 datetime);
insert into t1 values('2005.01.01 12:0:0');
create view v1 as select f1, subtime(f1, '1:1:1') as sb from t1;
select * from v1;
drop view v1;
drop table t1;

#
# Test for bug #11412: query over a multitable view with GROUP_CONCAT
#
CREATE TABLE t1 (
  aid int PRIMARY KEY,
  fn varchar(20) NOT NULL,
  ln varchar(20) NOT NULL
);
CREATE TABLE t2 (
  aid int NOT NULL,
  pid int NOT NULL
);
INSERT INTO t1 VALUES(1,'a','b'), (2,'c','d');
INSERT INTO t2 values (1,1), (2,1), (2,2);

CREATE VIEW v1 AS SELECT t1.*,t2.pid FROM t1,t2 WHERE t1.aid = t2.aid;

SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM t1,t2 
  WHERE t1.aid = t2.aid GROUP BY pid;
SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM v1 GROUP BY pid;

DROP VIEW v1;
DROP TABLE t1,t2;

#
# Test for bug #12382: SELECT * FROM view after INSERT command
#

CREATE TABLE t1 (id int PRIMARY KEY, f varchar(255));
CREATE VIEW v1 AS SELECT id, f FROM t1 WHERE id <= 2;
INSERT INTO t1 VALUES (2, 'foo2');
INSERT INTO t1 VALUES (1, 'foo1');

SELECT * FROM v1;
SELECT * FROM v1;

DROP VIEW v1;
DROP TABLE t1;

#
# Test for bug #12470: crash for a simple select from a view defined
#                      as a join over 5 tables

CREATE TABLE t1 (pk int PRIMARY KEY, b int);
CREATE TABLE t2 (pk int PRIMARY KEY, fk int, INDEX idx(fk));
CREATE TABLE t3 (pk int PRIMARY KEY, fk int, INDEX idx(fk));
CREATE TABLE t4 (pk int PRIMARY KEY, fk int, INDEX idx(fk));
CREATE TABLE t5 (pk int PRIMARY KEY, fk int, INDEX idx(fk));
CREATE VIEW v1 AS
  SELECT t1.pk as a FROM t1,t2,t3,t4,t5
    WHERE t1.b IS NULL AND
          t1.pk=t2.fk AND t2.pk=t3.fk AND t3.pk=t4.fk AND t4.pk=t5.fk;

SELECT a FROM v1;

DROP VIEW v1;
DROP TABLE t1,t2,t3,t4,t5;

#
# Bug #12298 Typo in  function name results in erroneous view being created.
#
create view v1 as select timestampdiff(day,'1997-01-01 00:00:00','1997-01-02 00:00:00') as f1;
select * from v1;
drop view v1;

#
# repeatable CREATE VIEW statement BUG#12468
#
create table t1(a int);
create procedure p1() create view v1 as select * from t1;
drop table t1;
-- error 1146
call p1();
-- error 1146
call p1();
drop procedure p1;

#
# Bug #10624 Views with multiple UNION and UNION ALL produce incorrect results
#
create table t1 (f1 int);
create table t2 (f1 int);
insert into t1 values (1);
insert into t2 values (2);
create view v1 as select * from t1 union select * from t2 union all select * from t2;
select * from v1;
drop view v1;
drop table t1,t2;
#
# Test for bug #10970: view referring a temporary table indirectly
#                     

CREATE TEMPORARY TABLE t1 (a int);
CREATE FUNCTION f1 () RETURNS int RETURN (SELECT COUNT(*) FROM t1);
-- error 1352
CREATE VIEW v1 AS SELECT f1();

DROP FUNCTION f1;
DROP TABLE t1;

#
# BUG #12533 (crash on DESCRIBE <view> after renaming base table column)
#
--disable_warnings
DROP TABLE IF EXISTS t1;
DROP VIEW  IF EXISTS v1;
--enable_warnings

CREATE TABLE t1 (f4 CHAR(5));
CREATE VIEW v1 AS SELECT * FROM t1;
DESCRIBE v1;

ALTER TABLE t1 CHANGE COLUMN f4 f4x CHAR(5);
--error 1356
DESCRIBE v1;
DROP TABLE t1;
DROP VIEW v1;

# 
# Bug #12489 wrongly printed strcmp() function results in creation of broken
#            view
create table t1 (f1 char);
create view v1 as select strcmp(f1,'a') from t1;
select * from v1;
drop view v1;
drop table t1;

#
# Bug #12922 if(sum(),...) with group from view returns wrong results 
#
create table t1 (f1 int, f2 int,f3 int);
insert into t1 values (1,10,20),(2,0,0);
create view v1 as select * from t1;
select if(sum(f1)>1,f2,f3) from v1 group by f1;
drop view v1;
drop table t1;
# BUG#12941
#
--disable_warnings
create table t1 (
  r_object_id char(16) NOT NULL,
  group_name varchar(32) NOT NULL
) engine = InnoDB;

create table t2 (
  r_object_id char(16) NOT NULL,
  i_position int(11) NOT NULL, 
  users_names varchar(32) default NULL
) Engine = InnoDB;
--enable_warnings

create view v1 as select r_object_id, group_name from t1;
create view v2 as select r_object_id, i_position, users_names from t2;

create unique index r_object_id on t1(r_object_id);
create index group_name on t1(group_name);
create unique index r_object_id_i_position on t2(r_object_id,i_position);
create index users_names on t2(users_names);

insert into t1 values('120001a080000542','tstgroup1');
insert into t2 values('120001a080000542',-1, 'guser01');
insert into t2 values('120001a080000542',-2, 'guser02');

select v1.r_object_id, v2.users_names from v1, v2
where (v1.group_name='tstgroup1') and v2.r_object_id=v1.r_object_id 
order by users_names;

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

#
# Bug #6808 - Views: CREATE VIEW v ... FROM t AS v fails
#

create table t1 (s1 int); 
create view abc as select * from t1 as abc;
drop table t1;
drop view abc;

#
# Bug #12993 View column rename broken in subselect
#
create table t1(f1 char(1));
create view v1 as select * from t1;
select * from (select f1 as f2 from v1) v where v.f2='a';
drop view v1;
drop table t1;

#
# Bug #11416 Server crash if using a view that uses function convert_tz
#
create view v1 as SELECT CONVERT_TZ('2004-01-01 12:00:00','GMT','MET');
select * from v1;
drop view v1;

#
# Bugs #12963, #13000: wrong creation of VIEW with DAYNAME, DAYOFWEEK, and WEEKDAY
#

CREATE TABLE t1 (date DATE NOT NULL);
INSERT INTO  t1 VALUES ('2005-09-06');

CREATE VIEW v1 AS SELECT DAYNAME(date) FROM t1;
SHOW CREATE VIEW v1;

CREATE VIEW v2 AS SELECT DAYOFWEEK(date) FROM t1;
SHOW CREATE VIEW v2;

CREATE VIEW v3 AS SELECT WEEKDAY(date) FROM t1;
SHOW CREATE VIEW v3;

SELECT DAYNAME('2005-09-06');
SELECT DAYNAME(date) FROM t1;
SELECT * FROM v1;

SELECT DAYOFWEEK('2005-09-06');
SELECT DAYOFWEEK(date) FROM t1;
SELECT * FROM v2;

SELECT WEEKDAY('2005-09-06');
SELECT WEEKDAY(date) FROM t1;
SELECT * FROM v3;

DROP TABLE t1;
DROP VIEW  v1, v2, v3;

#
# Bug #13411: crash when using non-qualified view column in HAVING clause 
#

CREATE TABLE t1 ( a int, b int );
INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
CREATE VIEW v1 AS SELECT a,b FROM t1;
SELECT t1.a FROM t1 GROUP BY t1.a HAVING a > 1;
SELECT v1.a FROM v1 GROUP BY v1.a HAVING a > 1;

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #13410: failed name resolution for qualified view column in HAVING 
#

CREATE TABLE t1 ( a int, b int );
INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
CREATE VIEW v1 AS SELECT a,b FROM t1;
SELECT t1.a FROM t1 GROUP BY t1.a HAVING t1.a > 1;
SELECT v1.a FROM v1 GROUP BY v1.a HAVING v1.a > 1;
SELECT t_1.a FROM t1 AS t_1 GROUP BY t_1.a HAVING t_1.a IN (1,2,3);
SELECT v_1.a FROM v1 AS v_1 GROUP BY v_1.a HAVING v_1.a IN (1,2,3);

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #13327 view wasn't using index for const condition
#

CREATE TABLE t1 (a INT, b INT, INDEX(a,b));
CREATE TABLE t2 LIKE t1;
CREATE TABLE t3 (a INT);
INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
INSERT INTO t2 VALUES (1,1),(2,2),(3,3);
INSERT INTO t3 VALUES (1),(2),(3);
CREATE VIEW v1 AS SELECT t1.* FROM t1,t2 WHERE t1.a=t2.a AND t1.b=t2.b;
CREATE VIEW v2 AS SELECT t3.* FROM t1,t3 WHERE t1.a=t3.a;
EXPLAIN SELECT t1.* FROM t1 JOIN t2 WHERE t1.a=t2.a AND t1.b=t2.b AND t1.a=1;
EXPLAIN SELECT * FROM v1 WHERE a=1;
EXPLAIN SELECT * FROM v2 WHERE a=1;
DROP VIEW v1,v2;
DROP TABLE t1,t2,t3;

#
# Bug #13622 Wrong view .frm created if some field's alias contain \n
#
create table t1 (f1 int);
create view v1 as select t1.f1 as '123
456' from t1;
select * from v1;
drop view v1;
drop table t1;

# Bug #14466 lost sort order in GROUP_CONCAT() in a view
#
create table t1 (f1 int, f2 int);
insert into t1 values(1,1),(1,2),(1,3);
create view v1 as select f1 ,group_concat(f2 order by f2 asc) from t1 group by f1;
create view v2 as select f1 ,group_concat(f2 order by f2 desc) from t1 group by f1;
select * from v1;
select * from v2;
drop view v1,v2;
drop table t1;

#
# BUG#14026 Crash on second PS execution when using views
#
create table t1 (x int, y int);
create table t2 (x int, y int, z int);
create table t3 (x int, y int, z int);
create table t4 (x int, y int, z int);

create view v1 as
select t1.x
from (
  (t1 join t2 on ((t1.y = t2.y))) 
  join 
  (t3 left join t4 on (t3.y = t4.y) and (t3.z = t4.z))
);

prepare stmt1 from "select count(*) from v1 where x = ?";
set @parm1=1;

execute stmt1 using @parm1;
execute stmt1 using @parm1;
drop view v1;
drop table t1,t2,t3,t4;

#
# Bug #14540: OPTIMIZE, ANALYZE, REPAIR applied to not a view
#

CREATE TABLE t1(id INT);
CREATE VIEW v1 AS SELECT id FROM t1;

OPTIMIZE TABLE v1;
ANALYZE TABLE v1;
REPAIR TABLE v1;

DROP TABLE t1;
OPTIMIZE TABLE v1;
ANALYZE TABLE v1;
REPAIR TABLE v1;

DROP VIEW v1;


#
# BUG#14719: Views DEFINER grammar is incorrect
#

create definer = current_user() sql security invoker view v1 as select 1;
show create view v1;
drop view v1;

create definer = current_user sql security invoker view v1 as select 1;
show create view v1;
drop view v1;

#
# Bug #14816 test_if_order_by_key() expected only Item_fields.
#
create table t1 (id INT, primary key(id));
insert into t1 values (1),(2);
create view v1 as select * from t1;
explain select id from v1 order by id;
drop view v1;
drop table t1;

#
# Bug #14850 Item_ref's values wasn't updated
#
create table t1(f1 int, f2 int);
insert into t1 values (null, 10), (null,2);
select f1, sum(f2) from t1 group by f1;
create view v1 as select * from t1;
select f1, sum(f2) from v1 group by f1;
drop view v1;
drop table t1;

#
# BUG#14885: incorrect SOURCE in view created in a procedure
# TODO: here SOURCE string must be shown when it will be possible
#
--disable_warnings
drop procedure if exists p1;
--enable_warnings
delimiter //;
create procedure p1 () deterministic
begin
create view v1 as select 1;
end;
//
delimiter ;//
call p1();
show create view v1;
drop view v1;
drop procedure p1;

#
# BUG#15096: using function with view for view creation
#
CREATE VIEW v1 AS SELECT 42 AS Meaning;
--disable_warnings
DROP FUNCTION IF EXISTS f1;
--enable_warnings
DELIMITER //;
CREATE FUNCTION f1() RETURNS INTEGER
BEGIN
  DECLARE retn INTEGER;
  SELECT Meaning FROM v1 INTO retn;
  RETURN retn;
END
//
DELIMITER ;//
CREATE VIEW v2 AS SELECT f1();
select * from v2;
drop view v2,v1;
drop function f1;

#
# Bug#14861: aliased column names are not preserved.
#
create table t1 (id numeric, warehouse_id numeric);
create view v1 as select id from t1;
create view v2 as
select t1.warehouse_id, v1.id as receipt_id
from t1, v1 where t1.id = v1.id;

insert into t1 (id, warehouse_id) values(3, 2);
insert into t1 (id, warehouse_id) values(4, 2);
insert into t1 (id, warehouse_id) values(5, 1);

select v2.receipt_id as alias1, v2.receipt_id as alias2 from v2
order by v2.receipt_id;

drop view v2, v1;
drop table t1;

#
# Bug#16016: MIN/MAX optimization for views
#

CREATE TABLE t1 (a int PRIMARY KEY, b int);
INSERT INTO t1 VALUES (2,20), (3,10), (1,10), (0,30), (5,10);

CREATE VIEW v1 AS SELECT * FROM t1;

SELECT MAX(a) FROM t1;
SELECT MAX(a) FROM v1;

EXPLAIN SELECT MAX(a) FROM t1;
EXPLAIN SELECT MAX(a) FROM v1;

SELECT MIN(a) FROM t1;
SELECT MIN(a) FROM v1;

EXPLAIN SELECT MIN(a) FROM t1;
EXPLAIN SELECT MIN(a) FROM v1;

DROP VIEW v1;
DROP TABLE t1;

#
# Bug#16382: grouping name is resolved against a view column name
#            which coincides with a select column name

CREATE TABLE t1 (x varchar(10));
INSERT INTO t1 VALUES (null), ('foo'), ('bar'), (null);
CREATE VIEW v1 AS SELECT * FROM t1;

SELECT IF(x IS NULL, 'blank', 'not blank') FROM v1 GROUP BY x;
SELECT IF(x IS NULL, 'blank', 'not blank') AS x FROM t1 GROUP BY x;
SELECT IF(x IS NULL, 'blank', 'not blank') AS x FROM v1;
SELECT IF(x IS NULL, 'blank', 'not blank') AS y FROM v1 GROUP BY y;
SELECT IF(x IS NULL, 'blank', 'not blank') AS x FROM v1 GROUP BY x;

DROP VIEW v1;
DROP TABLE t1;

#
# BUG#15943: mysql_next_result hangs on invalid SHOW CREATE VIEW
#

delimiter //;
drop table if exists t1; 
drop view if exists v1; 
create table t1 (id int); 
create view v1 as select * from t1; 
drop table t1; 
show create view v1; 
drop view v1;
//
delimiter ;//

#
# Bug#17726 Not checked empty list caused endless loop
#
create table t1(f1 int, f2 int);
create view v1 as select ta.f1 as a, tb.f1 as b from t1 ta, t1 tb where ta.f1=tb
.f1 and ta.f2=tb.f2;
insert into t1 values(1,1),(2,2);
create view v2 as select * from v1 where a > 1 with local check option;
select * from v2;
update v2 set b=3 where a=2;
select * from v2;
drop view v2, v1;
drop table t1;

#
# Bug #18386: select from view over a table with ORDER BY view_col clause 
#             given view_col is not an image of any column from the base table

CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1), (2);

CREATE VIEW v1 AS SELECT SQRT(a) my_sqrt FROM t1;

SELECT my_sqrt FROM v1 ORDER BY my_sqrt;

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #18237: invalid count optimization applied to an outer join with a view 
#             

CREATE TABLE t1 (id int PRIMARY KEY);
CREATE TABLE t2 (id int PRIMARY KEY);

INSERT INTO t1 VALUES (1), (3);
INSERT INTO t2 VALUES (1), (2), (3);

CREATE VIEW v2 AS SELECT * FROM t2;

SELECT COUNT(*) FROM t1 LEFT JOIN t2 ON t1.id=t2.id;
SELECT * FROM t1 LEFT JOIN t2 ON t1.id=t2.id;

SELECT COUNT(*) FROM t1 LEFT JOIN v2 ON t1.id=v2.id;

DROP VIEW v2;

DROP TABLE t1, t2;

#
# Bug #16069: VIEW does return the same results as underlying SELECT
#             with WHERE condition containing BETWEEN over dates 
# Dates as strings should be casted to date type
CREATE TABLE t1 (id int NOT NULL PRIMARY KEY,
                 td date DEFAULT NULL, KEY idx(td));

INSERT INTO t1 VALUES 
 (1, '2005-01-01'), (2, '2005-01-02'), (3, '2005-01-02'),
 (4, '2005-01-03'), (5, '2005-01-04'), (6, '2005-01-05'),
 (7, '2005-01-05'), (8, '2005-01-05'), (9, '2005-01-06');

CREATE VIEW v1 AS SELECT * FROM t1;

SELECT * FROM t1 WHERE td BETWEEN CAST('2005.01.02' AS DATE) AND CAST('2005.01.04' AS DATE);
SELECT * FROM v1 WHERE td BETWEEN CAST('2005.01.02' AS DATE) AND CAST('2005.01.04' AS DATE);

DROP VIEW v1;
DROP TABLE t1;

#
# BUG#14308: Recursive view definitions
#
# using view only
create table t1 (a int);
create view v1 as select * from t1;
create view v2 as select * from v1;
drop table t1;
rename table v2 to t1;
-- error ER_VIEW_RECURSIVE
select * from v1;
drop view t1, v1;
# using SP function
create table t1 (a int);
delimiter //;
create function f1() returns int
begin
  declare mx int;
  select max(a) from t1 into mx;
  return mx;
end//
delimiter ;//
create view v1 as select f1() as a;
create view v2 as select * from v1;
drop table t1;
rename table v2 to t1;
-- error ER_SP_NO_RECURSION
select * from v1;
drop function f1;
drop view t1, v1;

#
# Bug #15153: CONVERT_TZ() is not allowed in all places in VIEWs
#
# Error was reported when one tried to use CONVERT_TZ() function
# select list of view which was processed using MERGE algorithm.
# (Also see additional test in timezone_grant.test)
create table t1 (dt datetime);
insert into t1 values (20040101000000), (20050101000000), (20060101000000);
# Let us test that convert_tz() can be used in view's select list
create view v1 as select convert_tz(dt, 'UTC', 'Europe/Moscow') as ldt from t1;
select * from v1;
drop view v1;
# And in its where part 
create view v1 as select * from t1 where convert_tz(dt, 'UTC', 'Europe/Moscow') >= 20050101000000;
select * from v1;
# Other interesting case - a view which uses convert_tz() function
# through other view.
create view v2 as select * from v1 where dt < 20060101000000;
select * from v2;
drop view v2;
# And even more interesting case when view uses convert_tz() both
# directly and indirectly
create view v2 as select convert_tz(dt, 'UTC', 'Europe/Moscow') as ldt from v1;
select * from v2;
drop view v1, v2;
drop table t1;

#
# Bug #19490: usage of view specified by a query with GROUP BY
#             an expression containing non-constant interval

CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, d datetime);

CREATE VIEW v1 AS
SELECT id, date(d) + INTERVAL TIME_TO_SEC(d) SECOND AS t, COUNT(*)
  FROM t1 GROUP BY id, t;

SHOW CREATE VIEW v1;
SELECT * FROM v1;

DROP VIEW v1;
DROP TABLE t1;

#
# Bug#19077: A nested materialized view is used before being populated.
#
CREATE TABLE t1 (i INT, j BIGINT);
INSERT INTO t1 VALUES (1, 2), (2, 2), (3, 2);
CREATE VIEW v1 AS SELECT MIN(j) AS j FROM t1;
CREATE VIEW v2 AS SELECT MIN(i) FROM t1 WHERE j = ( SELECT * FROM v1 );
SELECT * FROM v2;
DROP VIEW v2, v1;
DROP TABLE t1;

#
# Bug #19573: VIEW with HAVING that refers an alias name
# 

CREATE TABLE t1(
  fName varchar(25) NOT NULL,
  lName varchar(25) NOT NULL,
  DOB date NOT NULL,
  test_date date NOT NULL,
  uID int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY);
 
INSERT INTO t1(fName, lName, DOB, test_date) VALUES
  ('Hank', 'Hill', '1964-09-29', '2007-01-01'),
  ('Tom', 'Adams', '1908-02-14', '2007-01-01'),
  ('Homer', 'Simpson', '1968-03-05', '2007-01-01');

CREATE VIEW v1 AS
  SELECT (year(test_date)-year(DOB)) AS Age
    FROM t1 HAVING Age < 75; 
SHOW CREATE VIEW v1;           

SELECT (year(test_date)-year(DOB)) AS Age FROM t1 HAVING Age < 75;
SELECT * FROM v1;

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #19089: wrong inherited dafault values in temp table views
#

CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, a char(6) DEFAULT 'xxx');
INSERT INTO t1(id) VALUES (1), (2), (3), (4);
INSERT INTO t1 VALUES (5,'yyy'), (6,'yyy');
SELECT * FROM t1;

CREATE VIEW v1(a, m) AS SELECT a, MIN(id) FROM t1 GROUP BY a;
SELECT * FROM v1;

CREATE TABLE t2 SELECT * FROM v1;
INSERT INTO t2(m) VALUES (0);
SELECT * FROM t2;

DROP VIEW v1;
DROP TABLE t1,t2;

CREATE TABLE t1 (id int PRIMARY KEY, e ENUM('a','b') NOT NULL DEFAULT 'b');
INSERT INTO t1(id) VALUES (1), (2), (3);
INSERT INTO t1 VALUES (4,'a');
SELECT * FROM t1;

CREATE VIEW v1(m, e) AS SELECT MIN(id), e FROM t1 GROUP BY e;
CREATE TABLE t2 SELECT * FROM v1;
SELECT * FROM t2;

DROP VIEW v1;
DROP TABLE t1,t2;

#
# Bug#16110: insert permitted into view col w/o default value
#
CREATE TABLE t1 (a INT NOT NULL, b INT NULL DEFAULT NULL);
CREATE VIEW v1 AS SELECT a, b FROM t1;

INSERT INTO v1 (b) VALUES (2);

SET SQL_MODE = STRICT_ALL_TABLES;
--error 1423
INSERT INTO v1 (b) VALUES (4);
SET SQL_MODE = '';

SELECT * FROM t1;

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #18243: expression over a view column that with the REVERSE function
#

CREATE TABLE t1 (firstname text, surname text);
INSERT INTO t1 VALUES
  ("Bart","Simpson"),("Milhouse","van Houten"),("Montgomery","Burns");

CREATE VIEW v1 AS SELECT CONCAT(firstname," ",surname) AS name FROM t1;
SELECT CONCAT(LEFT(name,LENGTH(name)-INSTR(REVERSE(name)," ")),
              LEFT(name,LENGTH(name)-INSTR(REVERSE(name)," "))) AS f1
 FROM v1;

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #19714: wrong type of a view column specified by an expressions over ints
#

CREATE TABLE t1 (i int, j int);
CREATE VIEW v1 AS SELECT COALESCE(i,j) FROM t1;
DESCRIBE v1;
CREATE TABLE t2 SELECT COALESCE(i,j) FROM t1;  
DESCRIBE t2;

DROP VIEW v1;
DROP TABLE t1,t2;

#
# Bug #17526: views with TRIM functions
#

CREATE TABLE t1 (s varchar(10));
INSERT INTO t1 VALUES ('yadda'), ('yady');

SELECT TRIM(BOTH 'y' FROM s) FROM t1;
CREATE VIEW v1 AS SELECT TRIM(BOTH 'y' FROM s) FROM t1;
SELECT * FROM v1;
DROP VIEW v1;

SELECT TRIM(LEADING 'y' FROM s) FROM t1; 
CREATE VIEW v1 AS SELECT TRIM(LEADING 'y' FROM s) FROM t1;
SELECT * FROM v1;
DROP VIEW v1;

SELECT TRIM(TRAILING 'y' FROM s) FROM t1; 
CREATE VIEW v1 AS SELECT TRIM(TRAILING 'y' FROM s) FROM t1;
SELECT * FROM v1;
DROP VIEW v1;

DROP TABLE t1;

#
#Bug #21080: ALTER VIEW makes user restate SQL SECURITY mode, and ALGORITHM
#
CREATE TABLE t1 (x INT, y INT);
CREATE ALGORITHM=TEMPTABLE SQL SECURITY INVOKER VIEW v1 AS SELECT x FROM t1;
SHOW CREATE VIEW v1;

ALTER VIEW v1 AS SELECT x, y FROM t1;
SHOW CREATE VIEW v1;

DROP VIEW v1;
DROP TABLE t1;
# Bug #21086: server crashes when VIEW defined with a SELECT with COLLATE 
# clause is called
#
CREATE TABLE t1 (s1 char);
INSERT INTO t1 VALUES ('Z');

CREATE VIEW v1 AS SELECT s1 collate latin1_german1_ci AS col FROM t1;

CREATE VIEW v2 (col) AS SELECT s1 collate latin1_german1_ci FROM t1;

# either of these statements will cause crash
INSERT INTO v1 (col) VALUES ('b');
INSERT INTO v2 (col) VALUES ('c');

SELECT s1 FROM t1;
DROP VIEW v1, v2;
DROP TABLE t1;

#
# Bug #11551: Asymmetric + undocumented behaviour of DROP VIEW and DROP TABLE
#
CREATE TABLE t1 (id INT);
CREATE VIEW v1 AS SELECT id FROM t1;
SHOW TABLES;

--error 1051
DROP VIEW v2,v1;
SHOW TABLES;

CREATE VIEW v1 AS SELECT id FROM t1;
--error 1347
DROP VIEW t1,v1;
SHOW TABLES;

DROP TABLE t1;
--disable_warnings
DROP VIEW IF EXISTS v1;
--enable_warnings

#
# Bug #21261: Wrong access rights was required for an insert to a view
#
CREATE DATABASE bug21261DB;
USE bug21261DB;
CONNECT (root,localhost,root,,bug21261DB);
CONNECTION root;

CREATE TABLE t1 (x INT);
CREATE SQL SECURITY INVOKER VIEW v1 AS SELECT x FROM t1;
GRANT INSERT, UPDATE ON v1 TO 'user21261'@'localhost';
GRANT INSERT, UPDATE ON t1 TO 'user21261'@'localhost';
CREATE TABLE t2 (y INT);
GRANT SELECT ON t2 TO 'user21261'@'localhost';

CONNECT (user21261, localhost, user21261,, bug21261DB);
CONNECTION user21261;
INSERT INTO v1 (x) VALUES (5);
UPDATE v1 SET x=1;
CONNECTION root;
GRANT SELECT ON v1 TO 'user21261'@'localhost';
GRANT SELECT ON t1 TO 'user21261'@'localhost';
CONNECTION user21261;
UPDATE v1,t2 SET x=1 WHERE x=y;
CONNECTION root;
SELECT * FROM t1;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'user21261'@'localhost';
DROP USER 'user21261'@'localhost';
DROP VIEW v1;
DROP TABLE t1;
DROP DATABASE bug21261DB;
USE test;

#
# Bug #15950: NOW() optimized away in VIEWs
#
create table t1 (f1 datetime);
create view v1 as select * from t1 where f1 between now() and now() + interval 1 minute;
show create view v1;
drop view v1;
drop table t1;
#
# Test for BUG#16899: Possible buffer overflow in handling of DEFINER-clause.
#

# Prepare.

--disable_warnings
DROP TABLE IF EXISTS t1;
DROP VIEW IF EXISTS v1;
DROP VIEW IF EXISTS v2;
--enable_warnings

CREATE TABLE t1(a INT, b INT);

--error ER_WRONG_STRING_LENGTH
CREATE DEFINER=1234567890abcdefGHIKL@localhost
  VIEW v1 AS SELECT a FROM t1;

--error ER_WRONG_STRING_LENGTH
CREATE DEFINER=some_user_name@1234567890abcdefghij1234567890abcdefghij1234567890abcdefghijQWERTY
  VIEW v2 AS SELECT b FROM t1;

# Cleanup.

DROP TABLE t1;


#
# BUG#17591: Updatable view not possible with trigger or stored
# function 
#
# During prelocking phase we didn't update lock type of view tables,
# hence READ lock was always requested.
#
--disable_warnings
DROP FUNCTION IF EXISTS f1;
DROP FUNCTION IF EXISTS f2;
DROP VIEW IF EXISTS v1, v2;
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (i INT);

CREATE VIEW v1 AS SELECT * FROM t1;

delimiter |;
CREATE FUNCTION f1() RETURNS INT
BEGIN
  INSERT INTO v1 VALUES (0);
  RETURN 0;
END |
delimiter ;|

SELECT f1();

CREATE ALGORITHM=TEMPTABLE VIEW v2 AS SELECT * FROM t1;

delimiter |;
CREATE FUNCTION f2() RETURNS INT
BEGIN
  INSERT INTO v2 VALUES (0);
  RETURN 0;
END |
delimiter ;|

--error ER_NON_INSERTABLE_TABLE
SELECT f2();

DROP FUNCTION f1;
DROP FUNCTION f2;
DROP VIEW v1, v2;
DROP TABLE t1;

#
# Bug #5500: wrong select_type in EXPLAIN output for queries over views
#

CREATE TABLE t1 (s1 int); 
CREATE VIEW v1 AS SELECT * FROM t1;

EXPLAIN SELECT * FROM t1;
EXPLAIN SELECT * FROM v1;

INSERT INTO t1 VALUES (1), (3), (2);

EXPLAIN SELECT * FROM t1 t WHERE t.s1+1 < (SELECT MAX(t1.s1) FROM t1); 
EXPLAIN SELECT * FROM v1 t WHERE t.s1+1 < (SELECT MAX(t1.s1) FROM t1); 

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #5505: Wrong error message on INSERT into a view
#
create table t1 (s1 int);
create view v1 as select s1 as a, s1 as b from t1;
--error ER_NON_INSERTABLE_TABLE
insert into v1 values (1,1); 
update v1 set a = 5;
drop view v1;
drop table t1;

#
# Bug #21646: view qith a subquery in ON expression 
#

CREATE TABLE t1(pk int PRIMARY KEY); 
CREATE TABLE t2(pk int PRIMARY KEY, fk int, ver int, org int);

CREATE ALGORITHM=MERGE VIEW v1 AS 
SELECT t1.*
  FROM t1 JOIN t2 
       ON t2.fk = t1.pk AND 
          t2.ver = (SELECT MAX(t.ver) FROM t2 t WHERE t.org = t2.org);
SHOW WARNINGS;
SHOW CREATE VIEW v1;

DROP VIEW v1;
DROP TABLE t1, t2;

#
# Bug#19111: TRIGGERs selecting from a VIEW on the firing base table
# fail
#
# Allow to select from a view on a table being modified in a trigger
# and stored function, since plain select is allowed there.
#
--disable_warnings
DROP FUNCTION IF EXISTS f1;
DROP VIEW IF EXISTS v1;
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1);

CREATE VIEW v1 AS SELECT MAX(i) FROM t1;

# Plain 'SET NEW.i = (SELECT MAX(i) FROM t1) + 1' works, so select
# from a view should work too.
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
  SET NEW.i = (SELECT * FROM v1) + 1;
INSERT INTO t1 VALUES (1);

# Plain 'RETURN (SELECT MAX(i) FROM t1)' works in INSERT, so select
# from a view should work too.
CREATE FUNCTION f1() RETURNS INT RETURN (SELECT * FROM v1);
UPDATE t1 SET i= f1();

DROP FUNCTION f1;
DROP VIEW v1;
DROP TABLE t1;

#
# Bug #16813 (WITH CHECK OPTION doesn't work with UPDATE)
#
CREATE TABLE t1(id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, val INT UNSIGNED NOT NULL);
CREATE VIEW v1 AS SELECT id, val FROM t1 WHERE val >= 1 AND val <= 5 WITH CHECK OPTION;
INSERT INTO v1 (val) VALUES (2);
INSERT INTO v1 (val) VALUES (4);
-- error 1369
INSERT INTO v1 (val) VALUES (6);
-- error 1369
UPDATE v1 SET val=6 WHERE id=2;
DROP VIEW v1;
DROP TABLE t1;

#
# BUG#22584: last_insert_id not updated after inserting a record
# through a updatable view
#
# We still do not update LAST_INSERT_ID if AUTO_INCREMENT column is
# not accessible through a view.  However, we do not reset the value
# of LAST_INSERT_ID, but keep it unchanged.
#
--disable_warnings
DROP VIEW IF EXISTS v1, v2;
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (i INT AUTO_INCREMENT PRIMARY KEY, j INT);
CREATE VIEW v1 AS SELECT j FROM t1;
CREATE VIEW v2 AS SELECT * FROM t1;

INSERT INTO t1 (j) VALUES (1);
SELECT LAST_INSERT_ID();

INSERT INTO v1 (j) VALUES (2);
--echo # LAST_INSERT_ID() should not change.
SELECT LAST_INSERT_ID();

INSERT INTO v2 (j) VALUES (3);
--echo # LAST_INSERT_ID() should be updated.
SELECT LAST_INSERT_ID();

INSERT INTO v1 (j) SELECT j FROM t1;
--echo # LAST_INSERT_ID() should not change.
SELECT LAST_INSERT_ID();

SELECT * FROM t1;

DROP VIEW v1, v2;
DROP TABLE t1;

#
# Bug #25580: !0 as an operand in a select expression of a view
#

CREATE VIEW v AS SELECT !0 * 5 AS x FROM DUAL;
SHOW CREATE VIEW v;

SELECT !0 * 5 AS x FROM DUAL;
SELECT * FROM v;

DROP VIEW v;

#
# BUG#24293: '\Z' token is not handled correctly in views
#

--disable_warnings
DROP VIEW IF EXISTS v1;
--enable_warnings

CREATE VIEW v1 AS SELECT 'The\ZEnd';
SELECT * FROM v1;

SHOW CREATE VIEW v1;

DROP VIEW v1;

#
# Bug #26124: BETWEEN over a view column of the DATETIME type
#

CREATE TABLE t1 (mydate DATETIME);
INSERT INTO t1 VALUES
  ('2007-01-01'), ('2007-01-02'), ('2007-01-30'), ('2007-01-31');

CREATE VIEW v1 AS SELECT mydate from t1;

SELECT * FROM t1 WHERE mydate BETWEEN '2007-01-01' AND '2007-01-31';
SELECT * FROM v1 WHERE mydate BETWEEN '2007-01-01' AND '2007-01-31';

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #25931: update of a multi-table view with check option
#

CREATE TABLE t1 (a int);
CREATE TABLE t2 (b int);
INSERT INTO t1 VALUES (1), (2);
INSERT INTO t2 VALUES (1), (2);

CREATE VIEW v1 AS
  SELECT t2.b FROM t1,t2 WHERE t1.a = t2.b WITH CHECK OPTION;

SELECT * FROM v1;
--error 1369
UPDATE v1 SET b=3;
SELECT * FROM v1;
SELECT * FROM t1;
SELECT * FROM t2;

DROP VIEW v1;
DROP TABLE t1,t2;

#
# Bug#12122: Views with ORDER BY can't be resolved using MERGE algorithm.
#
create table t1(f1 int, f2 int);
insert into t1 values(1,2),(1,3),(1,1),(2,3),(2,1),(2,2);
select * from t1;
create view v1 as select * from t1 order by f2;
select * from v1;
explain extended select * from v1;
select * from v1 order by f1;
explain extended select * from v1 order by f1;
drop view v1;
drop table t1;

#
# Bug#26209: queries with GROUP BY and ORDER BY using views
#

CREATE TABLE t1 (
  id int(11) NOT NULL PRIMARY KEY,
  country varchar(32),
  code int(11) default NULL
);
INSERT INTO t1 VALUES
  (1,'ITALY',100),(2,'ITALY',200),(3,'FRANCE',100), (4,'ITALY',100);

CREATE VIEW v1 AS SELECT * FROM t1;

SELECT code, COUNT(DISTINCT country) FROM t1 GROUP BY code ORDER BY MAX(id);
SELECT code, COUNT(DISTINCT country) FROM v1 GROUP BY code ORDER BY MAX(id);

DROP VIEW v1;
DROP TABLE t1;

#
# BUG#25897: Some queries are no longer possible after a CREATE VIEW
# fails 
#
--disable_warnings
DROP VIEW IF EXISTS v1;
--enable_warnings

let $query = SELECT * FROM (SELECT 1) AS t;

eval $query;
--error ER_VIEW_SELECT_DERIVED
eval CREATE VIEW v1 AS $query;
--echo # Previously the following would fail.
eval $query;

#
# Bug#24532: The return data type of IS TRUE is different from similar
# operations
#

--disable_warnings
drop view if exists view_24532_a;
drop view if exists view_24532_b;
drop table if exists table_24532;
--enable_warnings

create table table_24532 (
  a int,
  b bigint,
  c int(4),
  d bigint(48)
);

create view view_24532_a as
select
  a IS TRUE,
  a IS NOT TRUE,
  a IS FALSE,
  a IS NOT FALSE,
  a IS UNKNOWN,
  a IS NOT UNKNOWN,
  a is NULL,
  a IS NOT NULL,
  ISNULL(a),
  b IS TRUE,
  b IS NOT TRUE,
  b IS FALSE,
  b IS NOT FALSE,
  b IS UNKNOWN,
  b IS NOT UNKNOWN,
  b is NULL,
  b IS NOT NULL,
  ISNULL(b),
  c IS TRUE,
  c IS NOT TRUE,
  c IS FALSE,
  c IS NOT FALSE,
  c IS UNKNOWN,
  c IS NOT UNKNOWN,
  c is NULL,
  c IS NOT NULL,
  ISNULL(c),
  d IS TRUE,
  d IS NOT TRUE,
  d IS FALSE,
  d IS NOT FALSE,
  d IS UNKNOWN,
  d IS NOT UNKNOWN,
  d is NULL,
  d IS NOT NULL,
  ISNULL(d)
from table_24532;

describe view_24532_a;

create view view_24532_b as
select
  a IS TRUE,
  if(ifnull(a, 0), 1, 0) as old_istrue,
  a IS NOT TRUE,
  if(ifnull(a, 0), 0, 1) as old_isnottrue,
  a IS FALSE,
  if(ifnull(a, 1), 0, 1) as old_isfalse,
  a IS NOT FALSE,
  if(ifnull(a, 1), 1, 0) as old_isnotfalse
from table_24532;

describe view_24532_b;

show create view view_24532_b;

insert into table_24532 values (0, 0, 0, 0);
select * from view_24532_b;
update table_24532 set a=1;
select * from view_24532_b;
update table_24532 set a=NULL;
select * from view_24532_b;

drop view view_24532_a;
drop view view_24532_b;
drop table table_24532;

#
# Bug#26560: view using subquery with a reference to an outer alias 
#

CREATE TABLE t1 (
  lid int NOT NULL PRIMARY KEY,
  name char(10) NOT NULL
);
INSERT INTO t1 (lid, name) VALUES
  (1, 'YES'), (2, 'NO');

CREATE TABLE t2 (
  id int NOT NULL PRIMARY KEY, 
  gid int NOT NULL,
  lid int NOT NULL,
  dt date
);
INSERT INTO t2 (id, gid, lid, dt) VALUES
 (1, 1, 1, '2007-01-01'),(2, 1, 2, '2007-01-02'),
 (3, 2, 2, '2007-02-01'),(4, 2, 1, '2007-02-02');

SELECT DISTINCT t2.gid AS lgid,
                (SELECT t1.name FROM t1, t2
                   WHERE t1.lid  = t2.lid AND t2.gid = lgid
                     ORDER BY t2.dt DESC LIMIT 1
                ) as clid
  FROM t2;

CREATE VIEW v1 AS
SELECT DISTINCT t2.gid AS lgid,
                (SELECT t1.name FROM t1, t2
                   WHERE t1.lid  = t2.lid AND t2.gid = lgid
                     ORDER BY t2.dt DESC LIMIT 1
                ) as clid
  FROM t2;
SELECT * FROM v1;

DROP VIEW v1;
DROP table t1,t2;

#
# Bug#27786: Inconsistent Operation Performing UNION On View With ORDER BY 
#
CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1),(2),(3);
CREATE VIEW v1 AS SELECT a FROM t1 ORDER BY a;

SELECT * FROM t1 UNION SELECT * FROM v1;
EXPLAIN SELECT * FROM t1 UNION SELECT * FROM v1;
SELECT * FROM v1 UNION SELECT * FROM t1;
EXPLAIN SELECT * FROM v1 UNION SELECT * FROM t1;
SELECT * FROM t1 UNION SELECT * FROM v1 ORDER BY a;
EXPLAIN SELECT * FROM t1 UNION SELECT * FROM v1 ORDER BY a;

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #27921 View ignores precision for CAST()
#
CREATE VIEW v1 AS SELECT CAST( 1.23456789 AS DECIMAL( 7,5 ) ) AS col;
SELECT * FROM v1;
DESCRIBE v1;
DROP VIEW v1;

CREATE VIEW v1 AS SELECT CAST(1.23456789 AS DECIMAL(8,0)) AS col;
SHOW CREATE VIEW v1;
DROP VIEW v1;

#
# Bug #28716: CHECK OPTION expression is evaluated over expired record buffers
# when VIEW is updated via temporary tables
#
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (b INT, c INT DEFAULT 0);
INSERT INTO t1 (a) VALUES (1), (2);
INSERT INTO t2 (b) VALUES (1), (2);
CREATE VIEW v1 AS SELECT t2.b,t2.c FROM t1, t2
  WHERE t1.a=t2.b AND t2.b < 3 WITH CHECK OPTION;
SELECT * FROM v1;
UPDATE v1 SET c=1 WHERE b=1;
SELECT * FROM v1;
DROP VIEW v1;
DROP TABLE t1,t2;

#
# Bug #28561: update on multi-table view with CHECK OPTION and
#             a subquery in WHERE condition
#

CREATE TABLE t1 (id int);
CREATE TABLE t2 (id int, c int DEFAULT 0);
INSERT INTO t1 (id) VALUES (1);
INSERT INTO t2 (id) VALUES (1);

CREATE VIEW v1 AS 
  SELECT t2.c FROM t1, t2 
    WHERE t1.id=t2.id AND 1 IN (SELECT id FROM t1) WITH CHECK OPTION;

UPDATE v1 SET c=1;

DROP VIEW v1;
DROP TABLE t1,t2;

#
# Bug #27827: CHECK OPTION ignores ON conditions when updating
#             a multi-table view with CHECK OPTION.
#

CREATE TABLE t1 (a1 INT, c INT DEFAULT 0);
CREATE TABLE t2 (a2 INT);
CREATE TABLE t3 (a3 INT);
CREATE TABLE t4 (a4 INT);
INSERT INTO t1 (a1) VALUES (1),(2);
INSERT INTO t2 (a2) VALUES (1),(2);
INSERT INTO t3 (a3) VALUES (1),(2);
INSERT INTO t4 (a4) VALUES (1),(2);

CREATE VIEW v1 AS
  SELECT t1.a1, t1.c FROM t1 JOIN t2 ON t1.a1=t2.a2 AND t1.c < 3
    WITH CHECK OPTION;
SELECT * FROM v1;
--error 1369
UPDATE v1 SET c=3;
PREPARE t FROM 'UPDATE v1 SET c=3';
--error 1369
EXECUTE t;
--error 1369
EXECUTE t;
--error 1369
INSERT INTO v1(a1, c) VALUES (3, 3);
UPDATE v1 SET c=1 WHERE a1=1;
SELECT * FROM v1;
SELECT * FROM t1;

CREATE VIEW v2 AS SELECT t1.a1, t1.c
  FROM (t1 JOIN t2 ON t1.a1=t2.a2 AND t1.c < 3)
  JOIN (t3 JOIN t4 ON t3.a3=t4.a4)
    ON t2.a2=t3.a3 WITH CHECK OPTION;
SELECT * FROM v2;
--error 1369
UPDATE v2 SET c=3;
PREPARE t FROM 'UPDATE v2 SET c=3';
--error 1369
EXECUTE t;
--error 1369
EXECUTE t;
--error 1369
INSERT INTO v2(a1, c) VALUES (3, 3);
UPDATE v2 SET c=2 WHERE a1=1;
SELECT * FROM v2;
SELECT * FROM t1;

DROP VIEW v1,v2;
DROP TABLE t1,t2,t3,t4;

#
# Bug #29104: assertion abort for a query with a view column reference
#             in the GROUP BY list and a condition requiring the value  
#             of another view column to be equal to a constant
#

CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES (1,2), (2,2), (1,3), (1,2);

CREATE VIEW v1 AS SELECT a, b+1 as b FROM t1;


SELECT b, SUM(a) FROM v1 WHERE b=3 GROUP BY b;
EXPLAIN SELECT b, SUM(a) FROM v1 WHERE b=3 GROUP BY b;

SELECT a, SUM(b) FROM v1 WHERE b=3 GROUP BY a;
EXPLAIN SELECT a, SUM(b) FROM v1 WHERE b=3 GROUP BY a;

SELECT a, SUM(b) FROM v1 WHERE a=1 GROUP BY a;
EXPLAIN SELECT a, SUM(b) FROM v1 WHERE a=1 GROUP BY a;

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #29392: SELECT over a multi-table view with ORDER BY  
#             selecting the same view column with two different aliases  
#

CREATE TABLE t1 (
  person_id int NOT NULL PRIMARY KEY,
  username varchar(40) default NULL,
  status_flg char(1) NOT NULL default 'A'
);

CREATE TABLE t2 (
  person_role_id int NOT NULL auto_increment PRIMARY KEY,
  role_id int NOT NULL,
  person_id int NOT NULL,
  INDEX idx_person_id (person_id),
  INDEX idx_role_id (role_id)
);

CREATE TABLE t3 (
  role_id int NOT NULL auto_increment PRIMARY KEY,
  role_name varchar(100) default NULL,
  app_name varchar(40) NOT NULL,
  INDEX idx_app_name(app_name)
);

CREATE VIEW v1 AS 
SELECT profile.person_id AS person_id
  FROM t1 profile, t2 userrole, t3 role
    WHERE userrole.person_id = profile.person_id AND
          role.role_id = userrole.role_id AND
          profile.status_flg = 'A'
  ORDER BY profile.person_id,role.app_name,role.role_name;

INSERT INTO  t1 VALUES
 (6,'Sw','A'), (-1136332546,'ols','e'), (0,'    *\n','0'),
 (-717462680,'ENTS Ta','0'), (-904346964,'ndard SQL\n','0');
INSERT INTO t2 VALUES
  (1,3,6),(2,4,7),(3,5,8),(4,6,9),(5,1,6),(6,1,7),(7,1,8),(8,1,9),(9,1,10);

INSERT INTO t3 VALUES 
  (1,'NUCANS_APP_USER','NUCANSAPP'),(2,'NUCANS_TRGAPP_USER','NUCANSAPP'),
  (3,'IA_INTAKE_COORDINATOR','IACANS'),(4,'IA_SCREENER','IACANS'),
  (5,'IA_SUPERVISOR','IACANS'),(6,'IA_READONLY','IACANS'),
  (7,'SOC_USER','SOCCANS'),(8,'CAYIT_USER','CAYITCANS'),
  (9,'RTOS_DCFSPOS_SUPERVISOR','RTOS');
 
EXPLAIN SELECT t.person_id AS a, t.person_id AS b FROM v1 t WHERE t.person_id=6;
SELECT t.person_id AS a, t.person_id AS b FROM v1 t WHERE t.person_id=6;

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

#
# Bug#30020: Insufficient check led to a wrong info provided by the
#            information schema table.
#
create table t1 (i int);
insert into t1 values (1), (2), (1), (3), (2), (4);
create view v1 as select distinct i from t1;
select * from v1;
select table_name, is_updatable from information_schema.views 
   where table_name = 'v1';
drop view v1;
drop table t1;

#
# Bug #28701: SELECTs from VIEWs completely ignore USE/FORCE KEY, allowing
# invalid statements
#

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
CREATE VIEW v1 AS SELECT * FROM t1;
--error ER_WRONG_USAGE
SELECT * FROM v1 USE KEY(non_existant);
--error ER_WRONG_USAGE
SELECT * FROM v1 FORCE KEY(non_existant);
--error ER_WRONG_USAGE
SELECT * FROM v1 IGNORE KEY(non_existant);

DROP VIEW v1;
DROP TABLE t1;

#
# Bug #28702: VIEWs defined with USE/FORCE KEY ignore that request
#
CREATE TABLE t1 (a INT NOT NULL AUTO_INCREMENT, b INT NOT NULL DEFAULT 0,
                 PRIMARY KEY(a), KEY (b));
INSERT INTO t1 VALUES (),(),(),(),(),(),(),(),(),(),(),(),(),(),();
CREATE VIEW v1 AS SELECT * FROM t1 FORCE KEY (PRIMARY,b) ORDER BY a;
SHOW CREATE VIEW v1;
EXPLAIN SELECT * FROM v1;
CREATE VIEW v2 AS SELECT * FROM t1 USE KEY () ORDER BY a;
SHOW CREATE VIEW v2;
EXPLAIN SELECT * FROM v2;
CREATE VIEW v3 AS SELECT * FROM t1 IGNORE KEY (b) ORDER BY a;
SHOW CREATE VIEW v3;
EXPLAIN SELECT * FROM v3;

DROP VIEW v1;
DROP VIEW v2;
DROP VIEW v3;
DROP TABLE t1;

--echo #
--echo # Bug#29477: Not all fields of the target table were checked to have
--echo #            a default value when inserting into a view.
--echo #
create table t1(f1 int, f2 int not null);
create view v1 as select f1 from t1;
insert into v1 values(1);
set @old_mode=@@sql_mode;
set @@sql_mode=traditional;
--error ER_NO_DEFAULT_FOR_VIEW_FIELD
insert into v1 values(1);
set @@sql_mode=@old_mode;
drop view v1;
drop table t1;

#
# Bug #33389: Selecting from a view into a table from within SP or trigger 
#             crashes server
#

create table t1 (a int, key(a));
create table t2 (c int);
                   
create view v1 as select a b from t1;
create view v2 as select 1 a from t2, v1 where c in 
                  (select 1 from t1 where b = a);
                   
insert into t1 values (1), (1);
insert into t2 values (1), (1);
                   
prepare stmt from "select * from v2 where a = 1";
execute stmt; 

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

#
# Bug #33049: Assert while running test-as3ap test(mysql-bench suite)
#

CREATE TABLE t1 (a INT);
CREATE VIEW v1 AS SELECT p.a AS a FROM t1 p, t1 q;

INSERT INTO t1 VALUES (1), (1);
SELECT MAX(a), COUNT(DISTINCT a) FROM v1 GROUP BY a;

DROP VIEW v1;
DROP TABLE t1;

###########################################################################

--echo # -----------------------------------------------------------------
--echo # -- Bug#34337: Server crash when Altering a view using a table name.
--echo # -----------------------------------------------------------------
--echo

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

--echo

CREATE TABLE t1(c1 INT);

--echo

SELECT * FROM t1;

--error ER_WRONG_OBJECT
ALTER ALGORITHM=TEMPTABLE SQL SECURITY INVOKER VIEW t1 (c2) AS SELECT (1);

--echo

DROP TABLE t1;

--echo
--echo # -- End of test case for Bug#34337.
--echo

###########################################################################

--echo # -----------------------------------------------------------------
--echo # -- Bug#35193: VIEW query is rewritten without "FROM DUAL",
--echo # --            causing syntax error
--echo # -----------------------------------------------------------------
--echo

CREATE VIEW v1 AS SELECT 1 FROM DUAL WHERE 1;

--echo

SELECT * FROM v1;
SHOW CREATE TABLE v1;

--echo

DROP VIEW v1;

--echo
--echo # -- End of test case for Bug#35193.
--echo

###########################################################################

--echo # -----------------------------------------------------------------
--echo # -- End of 5.0 tests.
--echo # -----------------------------------------------------------------

#
# Bug#21370 View renaming lacks tablename_to_filename encoding
#
--disable_warnings
DROP DATABASE IF EXISTS `d-1`;
--enable_warnings
CREATE DATABASE `d-1`;
USE `d-1`;
CREATE TABLE `t-1` (c1 INT);
CREATE VIEW  `v-1` AS SELECT c1 FROM `t-1`;
SHOW TABLES;
RENAME TABLE `t-1` TO `t-2`;
RENAME TABLE `v-1` TO `v-2`;
SHOW TABLES;
DROP TABLE `t-2`;
DROP VIEW  `v-2`;
DROP DATABASE `d-1`;
USE test;

--echo
--echo #
--echo # Bug#26676: VIEW using old table schema in a session.
--echo #
--echo

--disable_warnings
DROP VIEW IF EXISTS v1;
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1(c1 INT, c2 INT);
INSERT INTO t1 VALUES (1, 2), (3, 4);

--echo

SELECT * FROM t1;

--echo

CREATE VIEW v1 AS SELECT * FROM t1;

--echo

SELECT * FROM v1;

--echo

ALTER TABLE t1 ADD COLUMN c3 INT AFTER c2;

--echo

SELECT * FROM t1;

--echo

SELECT * FROM v1;

--echo

SHOW CREATE VIEW v1;

--echo

DROP VIEW v1;
DROP TABLE t1;

--echo
--echo # End of test case for Bug#26676.
--echo

###########################################################################

--echo # -----------------------------------------------------------------
--echo # -- Bug#32538: View definition picks up character set, but not collation
--echo # -----------------------------------------------------------------
--echo

--disable_warnings
DROP VIEW IF EXISTS v1;
--enable_warnings

--echo

SET collation_connection = latin1_general_ci;
CREATE VIEW v1 AS SELECT _latin1 'text1' AS c1, 'text2' AS c2;

--echo

SELECT COLLATION(c1), COLLATION(c2) FROM v1;

--echo

SHOW CREATE VIEW v1;

--echo

--error ER_CANT_AGGREGATE_2COLLATIONS
SELECT * FROM v1 WHERE c1 = 'text1';

--echo

SELECT * FROM v1 WHERE c2 = 'text2';

--echo

use test;
SET names latin1;

--echo

SELECT COLLATION(c1), COLLATION(c2) FROM v1;

--echo

SELECT * FROM v1 WHERE c1 = 'text1';

--echo

--error ER_CANT_AGGREGATE_2COLLATIONS
SELECT * FROM v1 WHERE c2 = 'text2';

--echo

DROP VIEW v1;

--echo
--echo # -- End of test case for Bug#32538.
--echo

#
# Bug#34587 Creating a view inside a stored procedure leads to a server crash
#

--disable_warnings
drop view if exists a;
drop procedure if exists p;
--enable_warnings

delimiter |;
create procedure p()
begin
  declare continue handler for sqlexception begin end;
  create view a as select 1;
end|
delimiter ;|
call p();
call p();
drop view a;
drop procedure p;

###########################################################################

--echo # -----------------------------------------------------------------
--echo # -- End of 5.1 tests.
--echo # -----------------------------------------------------------------