drop table if exists t1,t2;
drop view if exists v1,v2;
drop function if exists f1;
drop function if exists f2;
use INFORMATION_SCHEMA;
show tables;
Tables_in_information_schema
CHARACTER_SETS
COLLATIONS
COLLATION_CHARACTER_SET_APPLICABILITY
COLUMNS
COLUMN_PRIVILEGES
ENGINES
EVENTS
FILES
KEY_COLUMN_USAGE
PARTITIONS
PLUGINS
PROCESSLIST
REFERENTIAL_CONSTRAINTS
ROUTINES
SCHEMATA
SCHEMA_PRIVILEGES
STATISTICS
TABLES
TABLE_CONSTRAINTS
TABLE_PRIVILEGES
TRIGGERS
USER_PRIVILEGES
VIEWS
show tables from INFORMATION_SCHEMA like 'T%';
Tables_in_information_schema (T%)
TABLES
TABLE_CONSTRAINTS
TABLE_PRIVILEGES
TRIGGERS
create database `inf%`;
create database mbase;
use `inf%`;
show tables;
Tables_in_inf%
grant all privileges on `inf%`.* to 'mysqltest_1'@'localhost';
grant all privileges on `mbase`.* to 'mysqltest_1'@'localhost';
create table t1 (f1 int);
create function func1(curr_int int) returns int
begin
declare ret_val int;
select max(f1) from t1 into ret_val;
return ret_val;
end|
create view v1 as select f1 from t1 where f1 = func1(f1);
create function func2() returns int return 1;
use mbase;
create procedure p1 ()
begin
select table_name from information_schema.key_column_usage
order by table_name;
end|
create table t1 
(f1 int(10) unsigned not null,
f2 varchar(100) not null,
primary key (f1), unique key (f2));
select * from information_schema.tables;
call mbase.p1();
call mbase.p1();
call mbase.p1();
use `inf%`;
drop user mysqltest_1@localhost;
drop table t1;
select table_name, table_type, table_comment from information_schema.tables
where table_schema='inf%' and func2();
table_name	table_type	table_comment
v1	VIEW	View 'inf%.v1' references invalid table(s) or column(s) or function(s) or define
select table_name, table_type, table_comment from information_schema.tables
where table_schema='inf%' and func2();
table_name	table_type	table_comment
v1	VIEW	View 'inf%.v1' references invalid table(s) or column(s) or function(s) or define
drop view v1;
drop function func1;
drop function func2;
drop database `inf%`;
drop procedure mbase.p1;
drop database mbase;
use test;
create table t1 (i int);
create function f1 () returns int return (select max(i) from t1);
create view v1 as select f1();
create table t2 (id int);
create function f2 () returns int return (select max(i) from t2);
create view v2 as select f2();
drop table t2;
select table_name, table_type, table_comment from information_schema.tables
where table_schema='test';
table_name	table_type	table_comment
t1	BASE TABLE	
v1	VIEW	VIEW
v2	VIEW	View 'test.v2' references invalid table(s) or column(s) or function(s) or define
drop table t1;
select table_name, table_type, table_comment from information_schema.tables
where table_schema='test';
table_name	table_type	table_comment
v1	VIEW	View 'test.v1' references invalid table(s) or column(s) or function(s) or define
v2	VIEW	View 'test.v2' references invalid table(s) or column(s) or function(s) or define
drop function f1;
drop function f2;
drop view v1, v2;