information_schema.test

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# This test  uses grants, which can't get tested for embedded server
-- source include/not_embedded.inc

# Test for information_schema.schemata &
# show databases

--disable_warnings
DROP TABLE IF EXISTS t0,t1,t2,t3,t4,t5;
DROP VIEW IF EXISTS v1;
--enable_warnings


show variables where variable_name like "skip_show_database";
grant select, update, execute on test.* to mysqltest_2@localhost;
grant select, update on test.* to mysqltest_1@localhost;
create user mysqltest_3@localhost;
create user mysqltest_3;


select * from information_schema.SCHEMATA where schema_name > 'm';
select schema_name from information_schema.schemata;
show databases like 't%';
show databases;
show databases where `database` = 't%';

# Test for information_schema.tables &
# show tables

create database mysqltest;
create table mysqltest.t1(a int, b VARCHAR(30), KEY string_data (b));
create table test.t2(a int);
create table t3(a int, KEY a_data (a));
create table mysqltest.t4(a int);
create table t5 (id int auto_increment primary key);
insert into t5 values (10);
create view v1 (c) as select table_name from information_schema.TABLES;
select * from v1;

select c,table_name from v1 
inner join information_schema.TABLES v2 on (v1.c=v2.table_name)
where v1.c like "t%";

select c,table_name from v1 
left join information_schema.TABLES v2 on (v1.c=v2.table_name)
where v1.c like "t%";

select c, v2.table_name from v1
right join information_schema.TABLES v2 on (v1.c=v2.table_name)
where v1.c like "t%";

select table_name from information_schema.TABLES
where table_schema = "mysqltest" and table_name like "t%";

select * from information_schema.STATISTICS where TABLE_SCHEMA = "mysqltest";
show keys from t3 where Key_name = "a_data";

show tables like 't%';
--replace_column 8 # 12 # 13 #
show table status;
show full columns from t3 like "a%";
show full columns from mysql.db like "Insert%";
show full columns from v1;
select * from information_schema.COLUMNS where table_name="t1"
and column_name= "a";
show columns from mysqltest.t1 where field like "%a%";

create view mysqltest.v1 (c) as select a from mysqltest.t1;
grant select (a) on mysqltest.t1 to mysqltest_2@localhost;
grant select on mysqltest.v1 to mysqltest_3;
connect (user3,localhost,mysqltest_2,,);
connection user3;
select table_name, column_name, privileges from information_schema.columns 
where table_schema = 'mysqltest' and table_name = 't1';
show columns from mysqltest.t1;
connect (user4,localhost,mysqltest_3,,mysqltest);
connection user4;
select table_name, column_name, privileges from information_schema.columns
where table_schema = 'mysqltest' and table_name = 'v1';
connection default;

drop view v1, mysqltest.v1;
drop tables mysqltest.t4, mysqltest.t1, t2, t3, t5;
drop database mysqltest;

# Test for information_schema.CHARACTER_SETS &
# SHOW CHARACTER SET

select * from information_schema.CHARACTER_SETS
where CHARACTER_SET_NAME like 'latin1%';
SHOW CHARACTER SET LIKE 'latin1%';
SHOW CHARACTER SET WHERE charset like 'latin1%';

# Test for information_schema.COLLATIONS &
# SHOW COLLATION

--replace_column 5 #
select * from information_schema.COLLATIONS
where COLLATION_NAME like 'latin1%';
--replace_column 5 #
SHOW COLLATION LIKE 'latin1%';
--replace_column 5 #
SHOW COLLATION WHERE collation like 'latin1%';

select * from information_schema.COLLATION_CHARACTER_SET_APPLICABILITY
where COLLATION_NAME like 'latin1%';

# Test for information_schema.ROUTINES &
#

--disable_warnings
drop procedure if exists sel2;
drop function if exists sub1;
drop function if exists sub2;
--enable_warnings

create function sub1(i int) returns int
  return i+1;
delimiter |;
create procedure sel2()
begin
  select * from t1;
  select * from t2;
end|
delimiter ;|

#
# Bug#7222 information_schema: errors in "routines"
#
select parameter_style, sql_data_access, dtd_identifier 
from information_schema.routines;

--replace_column 5 # 6 #
show procedure status;
--replace_column 5 # 6 #
show function status;
select a.ROUTINE_NAME from information_schema.ROUTINES a,
information_schema.SCHEMATA b where
a.ROUTINE_SCHEMA = b.SCHEMA_NAME;
--replace_column 3 #
explain select a.ROUTINE_NAME from information_schema.ROUTINES a,
information_schema.SCHEMATA b where
a.ROUTINE_SCHEMA = b.SCHEMA_NAME;

select a.ROUTINE_NAME, b.name from information_schema.ROUTINES a,
mysql.proc b where a.ROUTINE_NAME = convert(b.name using utf8) order by 1;
select count(*) from information_schema.ROUTINES;

create view v1 as select routine_schema, routine_name from information_schema.routines 
order by routine_schema, routine_name;
select * from v1;
drop view v1;

connect (user1,localhost,mysqltest_1,,);
connection user1;
select ROUTINE_NAME, ROUTINE_DEFINITION from information_schema.ROUTINES;
--error 1305
show create function sub1;
connection user3;
select ROUTINE_NAME, ROUTINE_DEFINITION from information_schema.ROUTINES;
connection default;
grant all privileges on test.* to mysqltest_1@localhost;
connect (user2,localhost,mysqltest_1,,);
connection user2;
select ROUTINE_NAME, ROUTINE_DEFINITION from information_schema.ROUTINES;
create function sub2(i int) returns int
  return i+1;
select ROUTINE_NAME, ROUTINE_DEFINITION from information_schema.ROUTINES;
show create procedure sel2;
show create function sub1;
show create function sub2;
--replace_column 5 # 6 #
show function status like "sub2";
connection default;
disconnect user1;
drop function sub2;
show create procedure sel2;

#
# Test for views
#
create view v0 (c) as select schema_name from information_schema.schemata;
select * from v0;
--replace_column 3 #
explain select * from v0;
create view v1 (c) as select table_name from information_schema.tables
where table_name="v1";
select * from v1;
create view v2 (c) as select column_name from information_schema.columns
where table_name="v2";
select * from v2;
create view v3 (c) as select CHARACTER_SET_NAME from information_schema.character_sets
where CHARACTER_SET_NAME like "latin1%";
select * from v3;
create view v4 (c) as select COLLATION_NAME from information_schema.collations
where COLLATION_NAME like "latin1%";
select * from v4;
show keys from v4;
select * from information_schema.views where TABLE_NAME like "v%";
drop view v0, v1, v2, v3, v4;

#
# Test for privileges tables
#
create table t1 (a int);
grant select,update,insert on t1 to mysqltest_1@localhost;
grant select (a), update (a),insert(a), references(a) on t1 to mysqltest_1@localhost;
grant all on test.* to mysqltest_1@localhost with grant option;
select * from information_schema.USER_PRIVILEGES where grantee like '%mysqltest_1%';
select * from information_schema.SCHEMA_PRIVILEGES where grantee like '%mysqltest_1%';
select * from information_schema.TABLE_PRIVILEGES where grantee like '%mysqltest_1%';
select * from information_schema.COLUMN_PRIVILEGES where grantee like '%mysqltest_1%';
delete from mysql.user where user like 'mysqltest%';
delete from mysql.db where user like 'mysqltest%';
delete from mysql.tables_priv where user like 'mysqltest%';
delete from mysql.columns_priv where user like 'mysqltest%';
flush privileges;
drop table t1;


#
# Test for KEY_COLUMN_USAGE & TABLE_CONSTRAINTS tables
#

create table t1 (a int null, primary key(a));
alter table t1 add constraint constraint_1 unique (a);
alter table t1 add constraint unique key_1(a);
alter table t1 add constraint constraint_2 unique key_2(a);
show create table t1;
select * from information_schema.TABLE_CONSTRAINTS where
TABLE_SCHEMA= "test";
select * from information_schema.KEY_COLUMN_USAGE where
TABLE_SCHEMA= "test";

connection user2;
select table_name from information_schema.TABLES where table_schema like "test%";
select table_name,column_name from information_schema.COLUMNS where table_schema like "test%";
select ROUTINE_NAME from information_schema.ROUTINES;
disconnect user2;
connection default;
delete from mysql.user where user='mysqltest_1';
drop table t1;
drop procedure sel2;
drop function sub1;

create table t1(a int);
create view v1 (c) as select a from t1 with check option;
create view v2 (c) as select a from t1 WITH LOCAL CHECK OPTION;
create view v3 (c) as select a from t1 WITH CASCADED CHECK OPTION;
select * from information_schema.views;
grant select (a) on test.t1 to joe@localhost with grant option;
select * from INFORMATION_SCHEMA.COLUMN_PRIVILEGES;
select * from INFORMATION_SCHEMA.TABLE_PRIVILEGES;
drop view v1, v2, v3;
drop table t1;
delete from mysql.user where user='joe';
delete from mysql.db where user='joe';
delete from mysql.tables_priv where user='joe';
delete from mysql.columns_priv where user='joe';
flush privileges;

# QQ This results in NULLs instead of the version numbers when
# QQ a LOCK TABLES is in effect when selecting from
# QQ information_schema.tables.

--disable_parsing # until bug is fixed
delimiter //;
create procedure px5 ()
begin
declare v int;
declare c cursor for select version from
information_schema.tables where table_schema <> 'information_schema';
open c;
fetch c into v;
select v;
close c;
end;//

call px5()//
call px5()//
delimiter ;//
select sql_mode from information_schema.ROUTINES;
drop procedure px5;
--enable_parsing

create table t1 (a int not null auto_increment,b int, primary key (a));
insert into t1 values (1,1),(NULL,3),(NULL,4);
select AUTO_INCREMENT from information_schema.tables where table_name = 't1';
drop table t1;

create table t1 (s1 int);
insert into t1 values (0),(9),(0);
select s1 from t1 where s1 in (select version from
information_schema.tables) union select version from
information_schema.tables;
drop table t1;

SHOW CREATE TABLE INFORMATION_SCHEMA.character_sets;
set names latin2;
SHOW CREATE TABLE INFORMATION_SCHEMA.character_sets;
set names latin1;

create table t1 select * from information_schema.CHARACTER_SETS
where CHARACTER_SET_NAME like "latin1";
select * from t1;
alter table t1 default character set utf8;
show create table t1;
drop table t1;

create view v1 as select * from information_schema.TABLES;
drop view v1;
create table t1(a NUMERIC(5,3), b NUMERIC(5,1), c float(5,2),
 d NUMERIC(6,4), e float, f DECIMAL(6,3), g int(11), h DOUBLE(10,3),
 i DOUBLE);
select COLUMN_NAME,COLUMN_TYPE, CHARACTER_MAXIMUM_LENGTH, 
 CHARACTER_OCTET_LENGTH, NUMERIC_PRECISION, NUMERIC_SCALE
from information_schema.columns where table_name= 't1';
drop table t1;

create table t115 as select table_name, column_name, column_type
from information_schema.columns where table_name = 'proc';
select * from t115;
drop table t115;

delimiter //;
create procedure p108 () begin declare c cursor for select data_type
from information_schema.columns;  open c; open c; end;//
--error 1325
call p108()//
delimiter ;//
drop procedure p108;

create view v1 as select A1.table_name from information_schema.TABLES A1
where table_name= "user";
select * from v1;
drop view v1;

create view vo as select 'a' union select 'a';  
show index from vo;
select * from information_schema.TABLE_CONSTRAINTS where
TABLE_NAME= "vo";
select * from information_schema.KEY_COLUMN_USAGE where
TABLE_NAME= "vo"; 
drop view vo;

select TABLE_NAME,TABLE_TYPE,ENGINE
from information_schema.tables 
where table_schema='information_schema' limit 2;
show tables from information_schema like "T%";

--error 1044
create database information_schema;
use information_schema;
show full tables like "T%";
--error 1109
create table t1(a int);
use test;
show tables;
use information_schema;
show tables like "T%";

#
# Bug#7210: information_schema: can't access when table-name = reserved word
#
select table_name from tables where table_name='user';
select column_name, privileges from columns
where table_name='user' and column_name like '%o%';