• unknown's avatar
    Patch for the following bugs: · 405f82d3
    unknown authored
      - BUG#11986: Stored routines and triggers can fail if the code
        has a non-ascii symbol
      - BUG#16291: mysqldump corrupts string-constants with non-ascii-chars
      - BUG#19443: INFORMATION_SCHEMA does not support charsets properly
      - BUG#21249: Character set of SP-var can be ignored
      - BUG#25212: Character set of string constant is ignored (stored routines)
      - BUG#25221: Character set of string constant is ignored (triggers)
    
    There were a few general problems that caused these bugs:
    1. Character set information of the original (definition) query for views,
       triggers, stored routines and events was lost.
    2. mysqldump output query in client character set, which can be
       inappropriate to encode definition-query.
    3. INFORMATION_SCHEMA used strings with mixed encodings to display object
       definition;
    
    1. No query-definition-character set.
    
    In order to compile query into execution code, some extra data (such as
    environment variables or the database character set) is used. The problem
    here was that this context was not preserved. So, on the next load it can
    differ from the original one, thus the result will be different.
    
    The context contains the following data:
      - client character set;
      - connection collation (character set and collation);
      - collation of the owner database;
    
    The fix is to store this context and use it each time we parse (compile)
    and execute the object (stored routine, trigger, ...).
    
    2. Wrong mysqldump-output.
    
    The original query can contain several encodings (by means of character set
    introducers). The problem here was that we tried to convert original query
    to the mysqldump-client character set.
    
    Moreover, we stored queries in different character sets for different
    objects (views, for one, used UTF8, triggers used original character set).
    
    The solution is
      - to store definition queries in the original character set;
      - to change SHOW CREATE statement to output definition query in the
        binary character set (i.e. without any conversion);
      - introduce SHOW CREATE TRIGGER statement;
      - to dump special statements to switch the context to the original one
        before dumping and restore it afterwards.
    
    Note, in order to preserve the database collation at the creation time,
    additional ALTER DATABASE might be used (to temporary switch the database
    collation back to the original value). In this case, ALTER DATABASE
    privilege will be required. This is a backward-incompatible change.
    
    3. INFORMATION_SCHEMA showed non-UTF8 strings
    
    The fix is to generate UTF8-query during the parsing, store it in the object
    and show it in the INFORMATION_SCHEMA.
    
    Basically, the idea is to create a copy of the original query convert it to
    UTF8. Character set introducers are removed and all text literals are
    converted to UTF8.
    
    This UTF8 query is intended to provide user-readable output. It must not be
    used to recreate the object.  Specialized SHOW CREATE statements should be
    used for this.
    
    The reason for this limitation is the following: the original query can
    contain symbols from several character sets (by means of character set
    introducers).
    
    Example:
    
      - original query:
        CREATE VIEW v1 AS SELECT _cp1251 'Hello' AS c1;
    
      - UTF8 query (for INFORMATION_SCHEMA):
        CREATE VIEW v1 AS SELECT 'Hello' AS c1;
    
    
    client/mysqldump.c:
      Set original character set and collation before dumping definition query.
    include/my_sys.h:
      Move out-parameter to the end of list.
    mysql-test/lib/mtr_report.pl:
      Ignore server-warnings during the test case.
    mysql-test/r/create.result:
      Update result file.
    mysql-test/r/ctype_cp932_binlog_stm.result:
      Update result file.
    mysql-test/r/events.result:
      Update result file.
    mysql-test/r/events_bugs.result:
      Update result file.
    mysql-test/r/events_grant.result:
      Update result file.
    mysql-test/r/func_in.result:
      Update result file.
    mysql-test/r/gis.result:
      Update result file.
    mysql-test/r/grant.result:
      Update result file.
    mysql-test/r/information_schema.result:
      Update result file.
    mysql-test/r/information_schema_db.result:
      Update result file.
    mysql-test/r/lowercase_view.result:
      Update result file.
    mysql-test/r/mysqldump.result:
      Update result file.
    mysql-test/r/ndb_sp.result:
      Update result file.
    mysql-test/r/ps.result:
      Update result file.
    mysql-test/r/rpl_replicate_do.result:
      Update result file.
    mysql-test/r/rpl_sp.result:
      Update result file.
    mysql-test/r/rpl_trigger.result:
      Update result file.
    mysql-test/r/rpl_view.result:
      Update result file.
    mysql-test/r/show_check.result:
      Update result file.
    mysql-test/r/skip_grants.result:
      Update result file.
    mysql-test/r/sp-destruct.result:
      Update result file.
    mysql-test/r/sp-error.result:
      Update result file.
    mysql-test/r/sp-security.result:
      Update result file.
    mysql-test/r/sp.result:
      Update result file.
    mysql-test/r/sql_mode.result:
      Update result file.
    mysql-test/r/system_mysql_db.result:
      Update result file.
    mysql-test/r/temp_table.result:
      Update result file.
    mysql-test/r/trigger-compat.result:
      Update result file.
    mysql-test/r/trigger-grant.result:
      Update result file.
    mysql-test/r/trigger.result:
      Update result file.
    mysql-test/r/view.result:
      Update result file.
    mysql-test/r/view_grant.result:
      Update result file.
    mysql-test/t/events.test:
      Update test case (new columns added).
    mysql-test/t/information_schema.test:
      Update test case (new columns added).
    mysql-test/t/show_check.test:
      Test case for SHOW CREATE TRIGGER in prepared statements and
      stored routines.
    mysql-test/t/sp-destruct.test:
      Update test case (new columns added).
    mysql-test/t/sp.test:
      Update test case (new columns added).
    mysql-test/t/view.test:
      Update test.
    mysys/charset.c:
      Move out-parameter to the end of list.
    scripts/mysql_system_tables.sql:
      Add new columns to mysql.proc and mysql.event.
    scripts/mysql_system_tables_fix.sql:
      Add new columns to mysql.proc and mysql.event.
    sql/event_data_objects.cc:
      Support new attributes for events.
    sql/event_data_objects.h:
      Support new attributes for events.
    sql/event_db_repository.cc:
      Support new attributes for events.
    sql/event_db_repository.h:
      Support new attributes for events.
    sql/events.cc:
      Add new columns to SHOW CREATE event resultset.
    sql/mysql_priv.h:
      1. Introduce Object_creation_ctx;
      2. Introduce SHOW CREATE TRIGGER;
      3. Introduce auxilary functions.
    sql/sp.cc:
      Add support for new store routines attributes.
    sql/sp_head.cc:
      Add support for new store routines attributes.
    sql/sp_head.h:
      Add support for new store routines attributes.
    sql/sql_lex.cc:
      Generate UTF8-body on parsing/lexing.
    sql/sql_lex.h:
      1. Generate UTF8-body on parsing/lexing.
      2. Introduce SHOW CREATE TRIGGER.
    sql/sql_parse.cc:
      Introduce SHOW CREATE TRIGGER.
    sql/sql_partition.cc:
      Update parse_sql().
    sql/sql_prepare.cc:
      Update parse_sql().
    sql/sql_show.cc:
      Support new attributes for views
    sql/sql_trigger.cc:
      Support new attributes for views
    sql/sql_trigger.h:
      Support new attributes for views
    sql/sql_view.cc:
      Support new attributes for views
    sql/sql_yacc.yy:
      1. Add SHOW CREATE TRIGGER statement.
      2. Generate UTF8-body for views, stored routines, triggers and events.
    sql/table.cc:
      Introduce Object_creation_ctx.
    sql/table.h:
      Introduce Object_creation_ctx.
    sql/share/errmsg.txt:
      Add new errors.
    mysql-test/include/ddl_i18n.check_events.inc:
      Aux file for test suite.
    mysql-test/include/ddl_i18n.check_sp.inc:
      Aux file for test suite.
    mysql-test/include/ddl_i18n.check_triggers.inc:
      Aux file for test suite.
    mysql-test/include/ddl_i18n.check_views.inc:
      Aux file for test suite.
    mysql-test/include/have_cp1251.inc:
      Aux file for test suite.
    mysql-test/include/have_cp866.inc:
      Aux file for test suite.
    mysql-test/include/have_koi8r.inc:
      Aux file for test suite.
    mysql-test/include/have_utf8.inc:
      Aux file for test suite.
    mysql-test/r/ddl_i18n_koi8r.result:
      Result file.
    mysql-test/r/ddl_i18n_utf8.result:
      Result file.
    mysql-test/r/have_cp1251.require:
      Aux file for test suite.
    mysql-test/r/have_cp866.require:
      Aux file for test suite.
    mysql-test/r/have_koi8r.require:
      Aux file for test suite.
    mysql-test/r/have_utf8.require:
      Aux file for test suite.
    mysql-test/t/ddl_i18n_koi8r.test:
      Complete koi8r test case for the CS patch.
    mysql-test/t/ddl_i18n_utf8.test:
      Complete utf8 test case for the CS patch.
    405f82d3
information_schema.test 32.1 KB
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# This test  uses grants, which can't get tested for embedded server
-- source include/not_embedded.inc

# check that CSV engine was compiled in, as the result of the test depends
# on the presence of the log tables (which are CSV-based).
--source include/have_csv.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 where table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status';
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';
--error 1345
explain select * from 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%';

#
# Bug#7212: information_schema: "Can't find file" errors if storage engine gone
# Bug#7211: information_schema: crash if bad view
#
use test;
create function sub1(i int) returns int
  return i+1;
create table t1(f1 int);
create view v2 (c) as select f1 from t1;
create view v3 (c) as select sub1(1);
create table t4(f1 int, KEY f1_key (f1));
drop table t1;
drop function sub1;
select table_name from information_schema.views
where table_schema='test';
select table_name from information_schema.views
where table_schema='test';
select column_name from information_schema.columns
where table_schema='test';
select index_name from information_schema.statistics where table_schema='test';
select constraint_name from information_schema.table_constraints
where table_schema='test';
show create view v2;
show create table v3;
drop view v2;
drop view v3;
drop table t4;

#
# Bug#7213: information_schema: redundant non-standard TABLE_NAMES table
#
--error 1109
select * from information_schema.table_names;

#
# Bug#2719 information_schema: errors in "columns"
#
select column_type from information_schema.columns
where table_schema="information_schema" and table_name="COLUMNS" and
(column_name="character_set_name" or column_name="collation_name");

#
# Bug#2718 information_schema: errors in "tables"
#
select TABLE_ROWS from information_schema.tables where 
table_schema="information_schema" and table_name="COLUMNS";
select table_type from information_schema.tables
where table_schema="mysql" and table_name="user";

# test for 'show open tables ... where'
show open tables where `table` like "user";
# test for 'show status ... where'
show status where variable_name like "%database%";
# test for 'show variables ... where'
show variables where variable_name like "skip_show_databas";

#
# Bug #7981:SHOW GLOBAL STATUS crashes server
#
# We don't actually care about the value, just that it doesn't crash.
--replace_column 2 #
show global status like "Threads_running";

#
# Bug #7915  crash,JOIN VIEW, subquery, 
# SELECT .. FROM INFORMATION_SCHEMA.COLUMNS
#
create table t1(f1 int);
create table t2(f2 int);
create view v1 as select * from t1, t2;
set @got_val= (select count(*) from information_schema.columns);
drop view v1;
drop table t1, t2;

#
# Bug #7476: crash on SELECT * FROM INFORMATION_SCHEMA.TABLES
#
use test;
CREATE TABLE t_crashme ( f1 BIGINT);
CREATE VIEW a1 (t_CRASHME) AS SELECT f1 FROM t_crashme GROUP BY f1;
CREATE VIEW a2 AS SELECT t_CRASHME FROM a1;
let $tab_count= 65;
--disable_query_log
while ($tab_count)
{
     EVAL CREATE TABLE t_$tab_count (f1 BIGINT);
     dec $tab_count ;
}
--disable_result_log
SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES;
--enable_result_log
SELECT count(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test';
let $tab_count= 65;
while ($tab_count)
{
     EVAL DROP TABLE t_$tab_count;
     dec $tab_count ;
}
--enable_query_log
drop view a2, a1;
drop table t_crashme;

#
# Bug #7215  information_schema: columns are longtext instead of varchar
# Bug #7217  information_schema: columns are varbinary() instead of timestamp
#
select table_schema,table_name, column_name from
information_schema.columns 
where data_type = 'longtext';
select table_name, column_name, data_type from information_schema.columns
where data_type = 'datetime';

#
# Bug #8164  subquery with INFORMATION_SCHEMA.COLUMNS, 100 % CPU
#
SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES A
WHERE NOT EXISTS 
(SELECT * FROM INFORMATION_SCHEMA.COLUMNS B
  WHERE A.TABLE_SCHEMA = B.TABLE_SCHEMA
  AND A.TABLE_NAME = B.TABLE_NAME);

#
# Bug #9344  INFORMATION_SCHEMA, wrong content, numeric columns
#

create table t1
( x_bigint BIGINT,
  x_integer INTEGER,
  x_smallint SMALLINT,
  x_decimal DECIMAL(5,3),
  x_numeric NUMERIC(5,3),
  x_real REAL,
  x_float FLOAT,
  x_double_precision DOUBLE PRECISION );
SELECT COLUMN_NAME, CHARACTER_MAXIMUM_LENGTH, CHARACTER_OCTET_LENGTH
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME= 't1';
drop table t1;

#
# Bug#10261  INFORMATION_SCHEMA.COLUMNS, incomplete result for non root user
#

grant select on test.* to mysqltest_4@localhost;
connect (user10261,localhost,mysqltest_4,,);
connection user10261;
SELECT TABLE_NAME, COLUMN_NAME, PRIVILEGES FROM INFORMATION_SCHEMA.COLUMNS 
where COLUMN_NAME='TABLE_NAME';
connection default;
delete from mysql.user where user='mysqltest_4';
delete from mysql.db where user='mysqltest_4';
flush privileges;

#
# Bug #9404  information_schema: Weird error messages
# with SELECT SUM() ... GROUP BY queries
#
SELECT table_schema, count(*) FROM information_schema.TABLES where table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA;


#
# TRIGGERS table test
#
create table t1 (i int, j int);

delimiter |;
create trigger trg1 before insert on t1 for each row
begin
  if new.j > 10 then
    set new.j := 10;
  end if;
end|
create trigger trg2 before update on t1 for each row
begin
  if old.i % 2 = 0 then
    set new.j := -1;
  end if;
end|
create trigger trg3 after update on t1 for each row
begin
  if new.j = -1 then
    set @fired:= "Yes";
  end if;
end|
delimiter ;|
show triggers;
select * from information_schema.triggers;

drop trigger trg1;
drop trigger trg2;
drop trigger trg3;
drop table t1;


#
# Bug #10964  Information Schema:Authorization check on privilege tables is improper
#

create database mysqltest;
create table mysqltest.t1 (f1 int, f2 int);
create table mysqltest.t2 (f1 int);
grant select (f1) on mysqltest.t1 to user1@localhost;
grant select on mysqltest.t2 to user2@localhost;
grant select on mysqltest.* to user3@localhost;
grant select on *.* to user4@localhost;

connect (con1,localhost,user1,,mysqltest);
connect (con2,localhost,user2,,mysqltest);
connect (con3,localhost,user3,,mysqltest);
connect (con4,localhost,user4,,);
connection con1;
select * from information_schema.column_privileges order by grantee;
select * from information_schema.table_privileges order by grantee;
select * from information_schema.schema_privileges order by grantee;
select * from information_schema.user_privileges order by grantee;
show grants;
connection con2;
select * from information_schema.column_privileges order by grantee;
select * from information_schema.table_privileges order by grantee;
select * from information_schema.schema_privileges order by grantee;
select * from information_schema.user_privileges order by grantee;
show grants;
connection con3;
select * from information_schema.column_privileges order by grantee;
select * from information_schema.table_privileges order by grantee;
select * from information_schema.schema_privileges order by grantee;
select * from information_schema.user_privileges order by grantee;
show grants;
connection con4;
select * from information_schema.column_privileges where grantee like '%user%'
order by grantee;
select * from information_schema.table_privileges where grantee like '%user%'
order by grantee;
select * from information_schema.schema_privileges where grantee like '%user%'
order by grantee;
select * from information_schema.user_privileges where grantee like '%user%'
order by grantee;
show grants;
connection default;
drop user user1@localhost, user2@localhost, user3@localhost, user4@localhost;
use test;
drop database mysqltest;

#
# Bug #11055 information_schema: routines.sql_data_access has wrong value
#
--disable_warnings
drop procedure if exists p1;
drop procedure if exists p2;
--enable_warnings

create procedure p1 () modifies sql data set @a = 5;
create procedure p2 () set @a = 5;
select sql_data_access from information_schema.routines
where specific_name like 'p%';
drop procedure p1;
drop procedure p2;

#
# Bug #9434 SHOW CREATE DATABASE information_schema;
#
show create database information_schema;

#
# Bug #11057 information_schema: columns table has some questionable contents
# Bug #12301 information_schema: NUMERIC_SCALE must be 0 for integer columns
#
create table t1(f1 LONGBLOB, f2 LONGTEXT);
select column_name,data_type,CHARACTER_OCTET_LENGTH,
       CHARACTER_MAXIMUM_LENGTH
from information_schema.columns
where table_name='t1';
drop table t1;
create table t1(f1 tinyint, f2 SMALLINT, f3 mediumint, f4 int,
                f5 BIGINT, f6 BIT, f7 bit(64));
select column_name, NUMERIC_PRECISION, NUMERIC_SCALE
from information_schema.columns
where table_name='t1';
drop table t1;

#
# Bug #12127 triggers do not show in info_schema before they are used if set to the database
#
create table t1 (f1 integer);
create trigger tr1 after insert on t1 for each row set @test_var=42;
use information_schema;
select trigger_schema, trigger_name from triggers where
trigger_name='tr1';
use test;
drop table t1;

#
# Bug#12518 COLUMN_DEFAULT has wrong value if NOT NULL is set
#
create table t1 (a int not null, b int);
use information_schema;
select column_name, column_default from columns
  where table_schema='test' and table_name='t1';
use test;
show columns from t1;
drop table t1;

#
# Bug #12636: SHOW TABLE STATUS with where condition containing a subquery
#             over information schema
#

CREATE TABLE t1 (a int);
CREATE TABLE t2 (b int);

--replace_column 8 # 12 # 13 #
SHOW TABLE STATUS FROM test
  WHERE name IN ( SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
                    WHERE TABLE_SCHEMA='test' AND TABLE_TYPE='BASE TABLE');

DROP TABLE t1,t2;

#
# Bug #12905 show fields from view behaving erratically with current database
#
create table t1(f1 int);
create view v1 (c) as select f1 from t1;
connect (con5,localhost,root,,*NO-ONE*);
select database();
show fields from test.v1;
connection default;
drop view v1;
drop table t1;

#
# Bug #9846 Inappropriate error displayed while dropping table from 'INFORMATION_SCHEMA'
#
--error 1044
alter database information_schema;
--error 1044
drop database information_schema;
--error 1044
drop table information_schema.tables;
--error 1044
alter table information_schema.tables;
#
# Bug #9683 INFORMATION_SCH: Creation of temporary table allowed in Information_schema DB
#
use information_schema;
--error 1044
create temporary table schemata(f1 char(10));
#
# Bug #10708 SP's can use INFORMATION_SCHEMA as ROUTINE_SCHEMA
#
delimiter |;
--error ER_BAD_DB_ERROR
CREATE PROCEDURE p1 ()
BEGIN
  SELECT 'foo' FROM DUAL;
END |
delimiter ;|
select  ROUTINE_NAME from routines;
#
# Bug #10734 Grant of privileges other than 'select' and 'create view' should fail on schema
#
--error 1044
grant all on information_schema.* to 'user1'@'localhost';
--error 1044
grant select on information_schema.* to 'user1'@'localhost';

#
# Bug#14089 FROM list subquery always fails when information_schema is current database
#
use test;
create table t1(id int);
insert into t1(id) values (1);
select 1 from (select 1 from test.t1) a;
use information_schema;
select 1 from (select 1 from test.t1) a;
use test;
drop table t1;

#
# Bug#14476 `information_schema`.`TABLES`.`TABLE_TYPE` with empty value
#
create table t1 (f1 int(11));
create view v1 as select * from t1;
drop table t1;
select table_type from information_schema.tables
where table_name="v1";
drop view v1;

#
# Bug #14387 SHOW COLUMNS doesn't work on temporary tables
# Bug #15224 SHOW INDEX from temporary table doesn't work
# Bug #12770 DESC cannot display the info. about temporary table
#
create temporary table t1(f1 int, index(f1));
show columns from t1;
describe t1;
show indexes from t1;
drop table t1;

#
# Bug#14271 I_S: columns has no size for (var)binary columns
#
create table t1(f1 binary(32), f2 varbinary(64));
select character_maximum_length, character_octet_length
from information_schema.columns where table_name='t1';
drop table t1;

#
# Bug#15533 crash, information_schema, function, view
#
CREATE TABLE t1 (f1 BIGINT, f2 VARCHAR(20), f3 BIGINT);
INSERT INTO t1 SET f1 = 1, f2 = 'Schoenenbourg', f3 = 1;

CREATE FUNCTION func2() RETURNS BIGINT RETURN 1;

delimiter //;
CREATE FUNCTION func1() RETURNS BIGINT
BEGIN
  RETURN ( SELECT COUNT(*) FROM INFORMATION_SCHEMA.VIEWS);
END//
delimiter ;//

CREATE VIEW v1 AS SELECT 1 FROM t1
                    WHERE f3 = (SELECT func2 ());
SELECT func1();
DROP TABLE t1;
DROP VIEW v1;
DROP FUNCTION func1;
DROP FUNCTION func2;


#
# Bug#15307 GROUP_CONCAT() with ORDER BY returns empty set on information_schema
#
select column_type, group_concat(table_schema, '.', table_name), count(*) as num
from information_schema.columns where
table_schema='information_schema' and
(column_type = 'varchar(7)' or column_type = 'varchar(20)')
group by column_type order by num;

#
# Bug#19236 bad COLUMNS.CHARACTER_MAXIMUM_LENGHT and CHARACTER_OCTET_LENGTH
#
create table t1(f1 char(1) not null, f2 char(9) not null)
default character set utf8;
select CHARACTER_MAXIMUM_LENGTH, CHARACTER_OCTET_LENGTH from
information_schema.columns where table_schema='test' and table_name = 't1';
drop table t1;

#
# Bug#18177 any access to INFORMATION_SCHEMA.ROUTINES crashes
#
use mysql;
INSERT INTO `proc` VALUES ('test','','PROCEDURE','','SQL','CONTAINS_SQL',
'NO','DEFINER','','','BEGIN\r\n  \r\nEND','root@%','2006-03-02 18:40:03',
'2006-03-02 18:40:03','','','utf8','utf8_general_ci','utf8_general_ci','n/a');
select routine_name from information_schema.routines;
delete from proc where name='';
use test;

#
# Bug#16681 information_schema shows forbidden VIEW details
#
grant select on test.* to mysqltest_1@localhost;
create table t1 (id int);
create view v1 as select * from t1;
create definer = mysqltest_1@localhost
sql security definer view v2 as select 1;

connect (con16681,localhost,mysqltest_1,,test);
connection con16681;

select * from information_schema.views
where table_name='v1' or table_name='v2';
connection default;
drop view v1, v2;
drop table t1;
drop user mysqltest_1@localhost;

#
# Bug#19599 duplication of information_schema column value in a CONCAT expr with user var
#
set @a:= '.';
create table t1(f1 char(5));
create table t2(f1 char(5));
select concat(@a, table_name), @a, table_name
from information_schema.tables where table_schema = 'test';
drop table t1,t2;

#
# Bug#20230: routine_definition is not null
#
--disable_warnings
DROP PROCEDURE IF EXISTS p1;
DROP FUNCTION IF EXISTS f1;
--enable_warnings

CREATE PROCEDURE p1() SET @a= 1;
CREATE FUNCTION f1() RETURNS INT RETURN @a + 1;
CREATE USER mysql_bug20230@localhost;
GRANT EXECUTE ON PROCEDURE p1 TO mysql_bug20230@localhost;
GRANT EXECUTE ON FUNCTION f1 TO mysql_bug20230@localhost;

SELECT ROUTINE_NAME, ROUTINE_DEFINITION FROM INFORMATION_SCHEMA.ROUTINES;
SHOW CREATE PROCEDURE p1;
SHOW CREATE FUNCTION f1;

connect (conn1, localhost, mysql_bug20230,,);

SELECT ROUTINE_NAME, ROUTINE_DEFINITION FROM INFORMATION_SCHEMA.ROUTINES;
SHOW CREATE PROCEDURE p1;
SHOW CREATE FUNCTION f1;
CALL p1();
SELECT f1();

disconnect conn1;
connection default;

DROP FUNCTION f1;
DROP PROCEDURE p1;
DROP USER mysql_bug20230@localhost;

#
# Bug#18925: subqueries with MIN/MAX functions on INFORMARTION_SCHEMA 
#

SELECT t.table_name, c1.column_name
  FROM information_schema.tables t
       INNER JOIN
       information_schema.columns c1
       ON t.table_schema = c1.table_schema AND
          t.table_name = c1.table_name
  WHERE t.table_schema = 'information_schema' AND
        c1.ordinal_position =
        ( SELECT COALESCE(MIN(c2.ordinal_position),1)
            FROM information_schema.columns c2
            WHERE c2.table_schema = t.table_schema AND
                  c2.table_name = t.table_name AND
                  c2.column_name LIKE '%SCHEMA%'
        );
SELECT t.table_name, c1.column_name
  FROM information_schema.tables t
       INNER JOIN
       information_schema.columns c1
       ON t.table_schema = c1.table_schema AND
          t.table_name = c1.table_name
  WHERE t.table_schema = 'information_schema' AND
        c1.ordinal_position =
        ( SELECT COALESCE(MIN(c2.ordinal_position),1)
            FROM information_schema.columns c2
            WHERE c2.table_schema = 'information_schema' AND
                  c2.table_name = t.table_name AND
                  c2.column_name LIKE '%SCHEMA%'
        );

#
# Bug#21231: query with a simple non-correlated subquery over
#            INFORMARTION_SCHEMA.TABLES 
#

SELECT MAX(table_name) FROM information_schema.tables;
SELECT table_name from information_schema.tables
  WHERE table_name=(SELECT MAX(table_name)
                      FROM information_schema.tables);
#
# Bug #23037: Bug in field "Default" of query "SHOW COLUMNS FROM table"
#
# Note, MyISAM/InnoDB can't take more that 65532 chars, because the row
# size is limited to 65535 bytes (BLOBs not counted)
#
--disable_warnings
DROP TABLE IF EXISTS bug23037;
DROP FUNCTION IF EXISTS get_value;
--enable_warnings
--disable_query_log
DELIMITER |;
CREATE FUNCTION get_value()
  RETURNS TEXT
  DETERMINISTIC
BEGIN
  DECLARE col1, col2, col3, col4, col6 CHAR(255);
  DECLARE default_val VARCHAR(65532);
  DECLARE done INT DEFAULT 0;
  DECLARE cur1 CURSOR FOR SHOW COLUMNS FROM bug23037;
  DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
  OPEN cur1;
  FETCH cur1 INTO col1, col2, col3, col4, default_val, col6;
  CLOSE cur1;
  RETURN default_val;
end|
DELIMITER ;|

let $body=`SELECT REPEAT('A', 65532)`;
eval CREATE TABLE bug23037(fld1 VARCHAR(65532) CHARACTER SET latin1 DEFAULT "$body");
--enable_query_log

SELECT COLUMN_NAME, MD5(COLUMN_DEFAULT), LENGTH(COLUMN_DEFAULT) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='bug23037';

SELECT MD5(get_value());

SELECT COLUMN_NAME, MD5(COLUMN_DEFAULT), LENGTH(COLUMN_DEFAULT), COLUMN_DEFAULT=get_value() FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='bug23037';

DROP TABLE bug23037;
DROP FUNCTION get_value;

#
# Bug#22413: EXPLAIN SELECT FROM view with ORDER BY yield server crash
#
create view v1 as
select table_schema as object_schema,
       table_name   as object_name,
       table_type   as object_type
from information_schema.tables
order by object_schema;
explain select * from v1;
explain select * from (select table_name from information_schema.tables) as a;
drop view v1;

#
# Bug#23299 Some queries against INFORMATION_SCHEMA with subqueries fail
#
create table t1 (f1 int(11));
create table t2 (f1 int(11), f2 int(11));

select table_name from information_schema.tables
where table_schema = 'test' and table_name not in
(select table_name from information_schema.columns
 where table_schema = 'test' and column_name = 'f3');
drop table t1,t2;


#
# Bug#24630  Subselect query crashes mysqld
#
select 1 as f1 from information_schema.tables  where "CHARACTER_SETS"=
(select cast(table_name as char)  from information_schema.tables
 order by table_name limit 1) limit 1;

select t.table_name, group_concat(t.table_schema, '.', t.table_name),
       count(*) as num1
from information_schema.tables t
inner join information_schema.columns c1
on t.table_schema = c1.table_schema AND t.table_name = c1.table_name
where t.table_schema = 'information_schema' and
        c1.ordinal_position =
        (select isnull(c2.column_type) -
         isnull(group_concat(c2.table_schema, '.', c2.table_name)) +
         count(*) as num
         from information_schema.columns c2 where
         c2.table_schema='information_schema' and
         (c2.column_type = 'varchar(7)' or c2.column_type = 'varchar(20)')
          group by c2.column_type order by num limit 1)
group by t.table_name order by num1, t.table_name;

#
# Bug#28266 IS_UPDATABLE field on VIEWS table in I_S database is wrong
#
create table t1(f1 int);
create view v1 as select f1+1 as a from t1;
create table t2 (f1 int, f2 int);                                                         
create view v2 as select f1+1 as a, f2 as b from t2;                                      
select table_name, is_updatable from information_schema.views;
#
# Note: we can perform 'delete' for non updatable view.
#
delete from v1;
drop view v1,v2;
drop table t1,t2;

--echo End of 5.0 tests.
#
# Show engines
#

select * from information_schema.engines WHERE ENGINE="MyISAM";

#
# INFORMATION_SCHEMA.PROCESSLIST
#

grant select on *.* to user3148@localhost;
connect (con3148,localhost,user3148,,test);
connection con3148;
select user,db from information_schema.processlist;
connection default;
drop user user3148@localhost;

#
# Bug #26174 Server Crash: INSERT ... SELECT ... FROM I_S.GLOBAL_STATUS
# in Event (see also openssl_1.test)
#
--disable_warnings
DROP TABLE IF EXISTS server_status;
DROP EVENT IF EXISTS event_status;
--enable_warnings

SET GLOBAL event_scheduler=1;

DELIMITER $$;

CREATE EVENT event_status
 ON SCHEDULE AT NOW()
 ON COMPLETION NOT PRESERVE
 DO
BEGIN
  CREATE TABLE server_status
  SELECT variable_name
  FROM information_schema.global_status
  WHERE variable_name LIKE 'ABORTED_CONNECTS' OR
  variable_name LIKE 'BINLOG_CACHE_DISK_USE';
END$$

DELIMITER ;$$

let $wait_condition=select count(*) = 0 from information_schema.events where event_name='event_status';
--source include/wait_condition.inc

SELECT variable_name FROM server_status;

DROP TABLE server_status;
SET GLOBAL event_scheduler=0;

--echo End of 5.1 tests.