analyse.test

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

#
# Test of procedure analyse
#

--disable_warnings
drop table if exists t1,t2;
--enable_warnings
create table t1 (i int, j int, empty_string char(10), bool char(1), d date);
insert into t1 values (1,2,"","Y","2002-03-03"), (3,4,"","N","2002-03-04"), (5,6,"","Y","2002-03-04"), (7,8,"","N","2002-03-05");
select count(*) from t1 procedure analyse();
select * from t1 procedure analyse();
select * from t1 procedure analyse(2);
create table t2 select * from t1 procedure analyse();
select * from t2;
drop table t1,t2;

EXPLAIN SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE();

#
# Test with impossible where
#
create table t1 (a int not null);
create table t2 select * from t1 where 0=1 procedure analyse();
show create table t2;
select * from t1 where 0=1 procedure analyse();
insert into t1 values(1);
drop table t2;
create table t2 select * from t1 where 0=1 procedure analyse();
show create table t2;
select * from t2;
insert into t2 select * from t1 procedure analyse();
select * from t2;
insert into t1 values(2);
drop table t2;
create table t2 select * from t1 where 0=1 procedure analyse();
show create table t2;
select * from t2;
insert into t2 select * from t1 procedure analyse();
select * from t2;
drop table t1,t2;

#
# Bug#2813 - analyse does not quote string values in enums from string
#

create table t1 (v varchar(128));
insert into t1 values ('abc'),('abc\'def\\hij\"klm\0opq'),('\''),('\"'),('\\'),('a\0'),('b\''),('c\"'),('d\\'),('\'b'),('\"c'),('\\d'),('a\0\0\0b'),('a\'\'\'\'b'),('a\"\"\"\"b'),('a\\\\\\\\b'),('\'\0\\\"'),('\'\''),('\"\"'),('\\\\'),('The\ZEnd');
select * from t1 procedure analyse();
drop table t1;

#decimal-related test

create table t1 (df decimal(5,1));
insert into t1 values(1.1);
insert into t1 values(2.2);
select * from t1 procedure analyse();
drop table t1;

#
# Bug#10716 - Procedure Analyse results in wrong values for optimal field type
#

create table t1 (d double);
insert into t1 values (100000);
select * from t1 procedure analyse (1,1);
drop table t1;

#
# Bug #14138 ROLLUP and PROCEDURE ANALYSE() hang server
#
create table t1 (product varchar(32), country_id int not null, year int,
                 profit int);
insert into t1  values ( 'Computer', 2,2000, 1200),
    ( 'TV', 1, 1999, 150),
    ( 'Calculator', 1, 1999,50),
    ( 'Computer', 1, 1999,1500),
    ( 'Computer', 1, 2000,1500),
    ( 'TV', 1, 2000, 150),
    ( 'TV', 2, 2000, 100),
    ( 'TV', 2, 2000, 100),
    ( 'Calculator', 1, 2000,75),
    ( 'Calculator', 2, 2000,75),
    ( 'TV', 1, 1999, 100),
    ( 'Computer', 1, 1999,1200),
    ( 'Computer', 2, 2000,1500),
    ( 'Calculator', 2, 2000,75),
    ( 'Phone', 3, 2003,10)
    ;
create table t2 (country_id int primary key, country char(20) not null); 
insert into t2 values (1, 'USA'),(2,'India'), (3,'Finland');
select product, sum(profit),avg(profit) from t1 group by product with rollup procedure analyse();
drop table t1,t2;
# End of 4.1 tests