metadata.test

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

#
# Test metadata
#

--disable_warnings
drop table if exists t1,t2;
--enable_warnings
--enable_metadata
# PS protocol gives slightly different metadata
--disable_ps_protocol

#
# First some simple tests
#

select 1, 1.0, -1, "hello", NULL;

create table t1 (a tinyint, b smallint, c mediumint, d int, e bigint, f float(3,2), g double(4,3), h decimal(5,4), i year, j date, k timestamp, l datetime, m enum('a','b'), n set('a','b'), o char(10));
select * from t1;
select a b, b c from t1 as t2;
drop table t1;

#
# Test metadata from ORDER BY (Bug #2654)
#

CREATE TABLE t1 (id tinyint(3) default NULL, data varchar(255) default NULL);
INSERT INTO t1 VALUES (1,'male'),(2,'female');
CREATE TABLE t2 (id tinyint(3) unsigned default NULL, data char(3) default '0');
INSERT INTO t2 VALUES (1,'yes'),(2,'no');

select t1.id, t1.data, t2.data from t1, t2 where t1.id = t2.id;
select t1.id, t1.data, t2.data from t1, t2 where t1.id = t2.id order by t1.id;
select t1.id from t1 union select t2.id from t2;
drop table t1,t2;

#
# variables union and derived tables metadata test
#
create table t1 ( a int, b varchar(30), primary key(a));
insert into t1 values (1,'one');
insert into t1 values (2,'two');
set @arg00=1 ;
select @arg00 FROM t1 where a=1 union distinct select 1 FROM t1 where a=1;
select * from (select @arg00) aaa;
select 1 union select 1;
select * from (select 1 union select 1) aaa;
drop table t1;

--disable_metadata

#
# Bug #11688: Bad mysql_info() results in multi-results
#
--enable_info
delimiter //;
create table t1 (i int);
insert into t1 values (1),(2),(3);
select * from t1 where i = 2;
drop table t1;//
delimiter ;//
--disable_info

#
# Bug #20191: getTableName gives wrong or inconsistent result when using VIEWs
#
--enable_metadata
create table t1 (id int(10));
insert into t1 values (1);
CREATE  VIEW v1 AS select t1.id as id from t1;
CREATE  VIEW v2 AS select t1.id as renamed from t1;
CREATE  VIEW v3 AS select t1.id + 12 as renamed from t1;
select * from v1 group by id limit 1;
select * from v1 group by id limit 0;
select * from v1 where id=1000 group by id;
select * from v1 where id=1 group by id;
select * from v2 where renamed=1 group by renamed;
select * from v3 where renamed=1 group by renamed;
drop table t1;
drop view v1,v2,v3;
--disable_metadata

# End of 4.1 tests

#
# Bug #28492: subselect returns LONG in >5.0.24a and LONGLONG in <=5.0.24a
#
--enable_metadata
select a.* from (select 2147483648 as v_large) a;
select a.* from (select 214748364 as v_small) a;
--disable_metadata

#
# Bug #28898: table alias and database name of VIEW columns is empty in the
# metadata of # SELECT statement where join is executed via temporary table.
#

CREATE TABLE t1 (c1 CHAR(1));
CREATE TABLE t2 (c2 CHAR(1));
CREATE VIEW v1 AS SELECT t1.c1 FROM t1;
CREATE VIEW v2 AS SELECT t2.c2 FROM t2;
INSERT INTO t1 VALUES ('1'), ('2'), ('3');
INSERT INTO t2 VALUES ('1'), ('2'), ('3'), ('2');

--enable_metadata
SELECT v1.c1 FROM v1 JOIN t2 ON c1=c2 ORDER BY 1;
SELECT v1.c1, v2.c2 FROM v1 JOIN v2 ON c1=c2;
SELECT v1.c1, v2.c2 FROM v1 JOIN v2 ON c1=c2 GROUP BY v1.c1;
SELECT v1.c1, v2.c2 FROM v1 JOIN v2 ON c1=c2 GROUP BY v1.c1 ORDER BY v2.c2;
--disable_metadata

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

--echo End of 5.0 tests