view.test

开启mysql的远程连接的方法 mysql-noinstall-5.1.6-alpha-win32.zip

insert into v4 select c, b, a from t2;
# try insert to VIEW using temporary table algorithm
-- error 1288
insert into v5 select c, b, a from t2;
insert into v1 select c, b, a from t2;
insert into v1 (z,y,x) select a+20,b+2,-100 from t2;
insert into v2 select b+1, a+10 from t2;
select * from t1;
drop table t1, t2;
drop view v1,v2,v3,v4,v5;

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

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

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

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

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

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

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

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

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

#
# SP variables inside view test
#
--disable_warnings
drop procedure if exists p1;
--enable_warnings
delimiter //;
create procedure p1 () begin declare v int; create view v1 as select v; end;//
delimiter ;//
-- error 1351
call p1();
drop procedure p1;

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

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

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

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

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

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

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

select * from t1;

drop view v1;
drop table t1;

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

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

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

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

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

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

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

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

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

#
# VIEW with full text
#
CREATE TABLE t1 (c1 int not null auto_increment primary key, c2 varchar(20), fulltext(c2));
insert into t1 (c2) VALUES ('real Beer'),('Water'),('Kossu'),('Coca-Cola'),('Vodka'),('Wine'),('almost real Beer');
select * from t1 WHERE match (c2) against ('Beer');
CREATE VIEW v1 AS SELECT  * from t1 WHERE match (c2) against ('Beer');
select * from v1;
drop view v1;
drop table t1;

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

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

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

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

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

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

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

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

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

#
# VIEWs with national characters
#
create table t