mariadb/mysql-test/t/information_schema.test

# Test for information_schema.schemata &
# show databases

grant all privileges on test.* to mysqltest_1@localhost;

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

# Test for information_schema.tables &
# show tables

create database testtets;
create table testtets.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 testtets.t4(a int);
create view v1 (c) as select table_name from information_schema.TABLES;
select * from v1;
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 = "testtets" and table_name like "t%";

select * from information_schema.STATISTICS where TABLE_SCHEMA = "testtets";
show keys * where TABLE_SCHEMA Like "test%";
show keys where INDEX_NAME = "a_data";

show tables like 't%';
--replace_column 15 # 16 #
show tables * from test where table_name like 't%';
--replace_column 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 * where table_name = "t1";

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

# 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 * LIKE 'latin1%';
SHOW CHARACTER SET WHERE CHARACTER_SET_NAME like 'latin1%';
SHOW CHARACTER SET CHARACTER_SET_NAME WHERE CHARACTER_SET_NAME like 'latin1%';
SHOW CHARACTER SET *  WHERE CHARACTER_SET_NAME like 'latin1%';

# Test for information_schema.COLLATIONS &
# SHOW COLLATION

select * from information_schema.COLLATIONS
where COLLATION_NAME like 'latin1%';
SHOW COLLATION LIKE 'latin1%';
SHOW COLLATION * LIKE 'latin1%';
SHOW COLLATION WHERE COLLATION_NAME like 'latin1%';
SHOW COLLATION COLLATION_NAME WHERE COLLATION_NAME like 'latin1%';
SHOW COLLATION *  WHERE COLLATION_NAME like 'latin1%';

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

# Test for information_schema.ROUTINES &
#

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

--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 = b.name;
select count(*) from information_schema.ROUTINES;

#
# 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='mysqltest_1';
delete from mysql.db where user='mysqltest_1';
delete from mysql.tables_priv where user='mysqltest_1';
delete from mysql.columns_priv where user='mysqltest_1';
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";
drop table t1;

CREATE TABLE t1 (id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB;
CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id),
FOREIGN KEY (t1_id) REFERENCES t1(id)  ON DELETE CASCADE,
FOREIGN KEY (t1_id) REFERENCES t1(id)  ON UPDATE CASCADE) ENGINE=INNODB;
select * from information_schema.TABLE_CONSTRAINTS where
TABLE_SCHEMA= "test";
select * from information_schema.KEY_COLUMN_USAGE where
TABLE_SCHEMA= "test";

connect (user1,localhost,mysqltest_1,,);
connection user1;
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 user1;
connection default;
delete from mysql.user where user='mysqltest_1';
drop table t2;
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;

delimiter //;
create procedure px5 ()
begin
declare v int;
declare c cursor for select version from
information_schema.tables;
open c;
fetch c into v;
select v;
close c;
end;//

call px5()//
call px5()//
delimiter ;//