Current Path : /home/usr.opt/mysql57/mysql-test/t/ |
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Current File : //home/usr.opt/mysql57/mysql-test/t/information_schema.test |
# The include statement below is a temp one for tests that are yet to #be ported to run with InnoDB, #but needs to be kept for tests that would need MyISAM in future. --source include/force_myisam_default.inc --source include/no_valgrind_without_big.inc # This test uses grants, which can't get tested for embedded server -- source include/not_embedded.inc #Don't run this test when thread_pool active --source include/not_threadpool.inc # Save the initial number of concurrent sessions --source include/count_sessions.inc # # Remove NO_AUTO_CREATE_USER sql mode (default since 5.7). # set @orig_sql_mode= @@sql_mode; set sql_mode= (select replace(@@sql_mode,'NO_AUTO_CREATE_USER','')); # 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 --echo # --echo # Bug#11763174 INFORMATION_SCHEMA.PARAMETERS.NUMERIC_PRECISION SHOULD BE BIGINT --echo # select table_name, data_type, column_type from information_schema.columns where column_name = 'numeric_precision' and table_schema = 'information_schema'; --disable_warnings show variables where variable_name like "skip_show_database"; --enable_warnings 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_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND table_name not like 'ndb_%' AND table_name not like 'innodb_%'; 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 ER_VIEW_NO_EXPLAIN explain select * from v1; connection default; disconnect user4; 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 where routine_schema='test'; --replace_column 5 # 6 # show procedure status where db='test'; --replace_column 5 # 6 # show function status where db='test'; select a.ROUTINE_NAME from information_schema.ROUTINES a, information_schema.SCHEMATA b where a.ROUTINE_SCHEMA = b.SCHEMA_NAME AND b.SCHEMA_NAME='test'; --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) AND a.ROUTINE_SCHEMA='test' order by 1; select count(*) from information_schema.ROUTINES where routine_schema='test'; create view v1 as select routine_schema, routine_name from information_schema.routines where routine_schema='test' 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 ER_SP_DOES_NOT_EXIST 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; disconnect user3; 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_SCHEMA != 'sys' and 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 not 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 where ROUTINE_SCHEMA != 'sys'; 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 where table_schema != 'sys'; grant select (a) on test.t1 to joe@localhost with grant option; select * from INFORMATION_SCHEMA.COLUMN_PRIVILEGES WHERE table_schema != 'sys'; select * from INFORMATION_SCHEMA.TABLE_PRIVILEGES WHERE table_schema NOT IN ('sys','mysql'); 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 where ROUTINE_SCHEMA != 'sys'; 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 ER_SP_CURSOR_ALREADY_OPEN 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 ER_DBACCESS_DENIED_ERROR create database information_schema; use information_schema; show full tables like "T%"; --error ER_DBACCESS_DENIED_ERROR 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 ER_UNKNOWN_TABLE 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' --disable_warnings show status where variable_name like "%database%"; # test for 'show variables ... where' show variables where variable_name like "skip_show_databas"; --enable_warnings # # 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 table_schema not in ('performance_schema', 'sys') and data_type = 'longtext'; select table_name, column_name, data_type from information_schema.columns where table_schema not in ('performance_schema', 'sys') and data_type = 'datetime' and table_name not like 'innodb_%'; # # 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' ORDER BY TABLE_NAME; connection default; disconnect user10261; 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_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND table_name not like 'ndb%' AND table_name not like 'innodb_%' 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 ;| --replace_column 6 # show triggers; --replace_column 17 # select * from information_schema.triggers where trigger_schema in ('mysql', 'information_schema', 'test', 'mysqltest'); 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%' and table_schema !='mysql' order by grantee; select * from information_schema.schema_privileges where grantee like '%user%' and table_schema !='performance_schema' order by grantee; select * from information_schema.user_privileges where grantee like '%user%' and grantee not like '%session%' order by grantee; show grants; connection default; disconnect con1; disconnect con2; disconnect con3; disconnect con4; 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%' and ROUTINE_SCHEMA != 'sys'; 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; disconnect con5; drop view v1; drop table t1; # # Bug#9846 Inappropriate error displayed while dropping table from 'INFORMATION_SCHEMA' # --error ER_PARSE_ERROR alter database information_schema; --error ER_DBACCESS_DENIED_ERROR drop database information_schema; --error ER_DBACCESS_DENIED_ERROR drop table information_schema.tables; --error ER_DBACCESS_DENIED_ERROR alter table information_schema.tables; # # Bug#9683 INFORMATION_SCH: Creation of temporary table allowed in Information_schema DB # use information_schema; --error ER_DBACCESS_DENIED_ERROR create temporary table schemata(f1 char(10)); # # Bug#10708 SP's can use INFORMATION_SCHEMA as ROUTINE_SCHEMA # delimiter |; --error ER_DBACCESS_DENIED_ERROR CREATE PROCEDURE p1 () BEGIN SELECT 'foo' FROM DUAL; END | delimiter ;| select ROUTINE_NAME from routines where ROUTINE_SCHEMA='information_schema'; # # Bug#10734 Grant of privileges other than 'select' and 'create view' should fail on schema # --error ER_DBACCESS_DENIED_ERROR grant all on information_schema.* to 'user1'@'localhost'; --error ER_DBACCESS_DENIED_ERROR 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 WHERE TABLE_SCHEMA != 'sys'); 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)' OR column_type = 'varchar(30)') 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 where ROUTINE_SCHEMA='test'; 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; disconnect con16681; 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 WHERE ROUTINE_SCHEMA='test'; SHOW CREATE PROCEDURE p1; SHOW CREATE FUNCTION f1; connect (conn1, localhost, mysql_bug20230,,); SELECT ROUTINE_NAME, ROUTINE_DEFINITION FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_SCHEMA='test'; 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#21231 query with a simple non-correlated subquery over # INFORMARTION_SCHEMA.TABLES # SELECT MAX(table_name) FROM information_schema.tables WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test'); SELECT table_name from information_schema.tables WHERE table_name=(SELECT MAX(table_name) FROM information_schema.tables WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test')); # # 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 SELECT COLUMN_NAME, COLUMN_TYPE, IS_NULLABLE, COLUMN_KEY, COLUMN_DEFAULT, EXTRA FROM INFORMATION_SCHEMA.COLUMNS where TABLE_NAME='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 where table_schema != 'performance_schema' 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_name not like 'ndb%' and 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) and t.table_name not like 'innodb_%' 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 where table_schema != 'sys'; # # Note: we can perform 'delete' for non updatable view. # delete from v1; drop view v1,v2; drop table t1,t2; # # Bug#25859 ALTER DATABASE works w/o parameters # --error ER_PARSE_ERROR alter database; --error ER_PARSE_ERROR alter database test; # # Bug#27629 Possible security flaw in INFORMATION_SCHEMA and SHOW statements # create database mysqltest; create table mysqltest.t1(a int, b int, c int); create trigger mysqltest.t1_ai after insert on mysqltest.t1 for each row set @a = new.a + new.b + new.c; grant select(b) on mysqltest.t1 to mysqltest_1@localhost; select trigger_name from information_schema.triggers where event_object_table='t1'; --replace_column 6 # show triggers from mysqltest; connect (con27629,localhost,mysqltest_1,,mysqltest); show columns from t1; select column_name from information_schema.columns where table_name='t1'; --replace_column 6 # show triggers; select trigger_name from information_schema.triggers where event_object_table='t1'; connection default; disconnect con27629; drop user mysqltest_1@localhost; drop database mysqltest; # # Bug#27747 database metadata doesn't return sufficient column default info # create table t1 ( f1 varchar(50), f2 varchar(50) not null, f3 varchar(50) default '', f4 varchar(50) default NULL, f5 bigint not null, f6 bigint not null default 10, f7 datetime not null, f8 datetime default '2006-01-01' ); select column_default from information_schema.columns where table_name= 't1'; show columns from t1; drop table t1; # # Bug#30079 A check for "hidden" I_S tables is flawed # --error ER_UNKNOWN_TABLE show fields from information_schema.table_names; --error ER_UNKNOWN_TABLE show keys from information_schema.table_names; # # Bug#34529 Crash on complex Falcon I_S select after ALTER .. PARTITION BY # USE information_schema; SET max_heap_table_size = 16384; CREATE TABLE test.t1( a INT ); # What we need to create here is a bit of a corner case: # We need a star query with information_schema tables, where the first # branch of the star join produces zero rows, so that reading of the # second branch never happens. At the same time we have to make sure # that data for at least the last table is swapped from MEMORY/HEAP to # MyISAM. This and only this triggers the bug. SELECT * FROM tables ta JOIN collations co ON ( co.collation_name = ta.table_catalog ) JOIN character_sets cs ON ( cs.character_set_name = ta.table_catalog ); DROP TABLE test.t1; SET max_heap_table_size = DEFAULT; USE test; --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; disconnect con3148; 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_timeout= 300; 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; # # WL#3732 Information schema optimization # explain select table_name from information_schema.views where table_schema='test' and table_name='v1'; explain select * from information_schema.tables; explain select * from information_schema.collations; explain select * from information_schema.tables where table_schema='test' and table_name= 't1'; explain select table_name, table_type from information_schema.tables where table_schema='test'; explain select b.table_name from information_schema.tables a, information_schema.columns b where a.table_name='t1' and a.table_schema='test' and b.table_name=a.table_name; # # Bug#30310 wrong result on SELECT * FROM INFORMATION_SCHEMA.SCHEMATA WHERE .. # SELECT * FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = 'mysqltest'; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = ''; SELECT * FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = 'test'; select count(*) from INFORMATION_SCHEMA.TABLES where TABLE_SCHEMA='mysql' AND TABLE_NAME='nonexisting'; select count(*) from INFORMATION_SCHEMA.TABLES where TABLE_SCHEMA='mysql' AND TABLE_NAME=''; select count(*) from INFORMATION_SCHEMA.TABLES where TABLE_SCHEMA='' AND TABLE_NAME=''; select count(*) from INFORMATION_SCHEMA.TABLES where TABLE_SCHEMA='' AND TABLE_NAME='nonexisting'; # # Bug#30689 Wrong content in I_S.VIEWS.VIEW_DEFINITION if VIEW is based on I_S # CREATE VIEW v1 AS SELECT * FROM information_schema.tables; SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS where TABLE_NAME = 'v1'; DROP VIEW v1; # # Bug#30795 Query on INFORMATION_SCHEMA.SCHEMATA, wrong result # SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME ='information_schema'; # # Bug#31381 Error in retrieving Data from INFORMATION_SCHEMA # SELECT TABLE_COLLATION FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='mysql' and TABLE_NAME= 'db'; # # Bug#31633 Information schema = NULL queries crash the server # select * from information_schema.columns where table_schema = NULL; select * from `information_schema`.`COLUMNS` where `TABLE_NAME` = NULL; select * from `information_schema`.`key_column_usage` where `TABLE_SCHEMA` = NULL; select * from `information_schema`.`key_column_usage` where `TABLE_NAME` = NULL; select * from `information_schema`.`PARTITIONS` where `TABLE_SCHEMA` = NULL; select * from `information_schema`.`PARTITIONS` where `TABLE_NAME` = NULL; select * from `information_schema`.`REFERENTIAL_CONSTRAINTS` where `CONSTRAINT_SCHEMA` = NULL; select * from `information_schema`.`REFERENTIAL_CONSTRAINTS` where `TABLE_NAME` = NULL; select * from information_schema.schemata where schema_name = NULL; select * from `information_schema`.`STATISTICS` where `TABLE_SCHEMA` = NULL; select * from `information_schema`.`STATISTICS` where `TABLE_NAME` = NULL; select * from information_schema.tables where table_schema = NULL; select * from information_schema.tables where table_catalog = NULL; select * from information_schema.tables where table_name = NULL; select * from `information_schema`.`TABLE_CONSTRAINTS` where `TABLE_SCHEMA` = NULL; select * from `information_schema`.`TABLE_CONSTRAINTS` where `TABLE_NAME` = NULL; --replace_column 17 # select * from `information_schema`.`TRIGGERS` where `EVENT_OBJECT_SCHEMA` = NULL; --replace_column 17 # select * from `information_schema`.`TRIGGERS` where `EVENT_OBJECT_TABLE` = NULL; select * from `information_schema`.`VIEWS` where `TABLE_SCHEMA` = NULL; select * from `information_schema`.`VIEWS` where `TABLE_NAME` = NULL; # # Bug#31630 debug assert with explain extended select ... from i_s # explain extended select 1 from information_schema.tables; # # Bug#32775 problems with SHOW EVENTS and Information_Schema # use information_schema; show events; show events from information_schema; show events where Db= 'information_schema'; use test; --echo # --echo # Bug#34166 Server crash in SHOW OPEN TABLES and prelocking --echo # --disable_warnings drop table if exists t1; drop function if exists f1; --enable_warnings create table t1 (a int); delimiter |; create function f1() returns int begin insert into t1 (a) values (1); return 0; end| delimiter ;| --disable_result_log show open tables where f1()=0; show open tables where f1()=0; --enable_result_log drop table t1; drop function f1; # # Bug#34656 KILL a query = Assertion failed: m_status == DA_ERROR || # m_status == DA_OK # connect (conn1, localhost, root,,); connection conn1; let $ID= `select connection_id()`; send select * from information_schema.tables where 1=sleep(100000); connection default; let $wait_timeout= 10; let $wait_condition=select count(*)=1 from information_schema.processlist where state='User sleep' and info='select * from information_schema.tables where 1=sleep(100000)'; --source include/wait_condition.inc disable_query_log; eval kill $ID; enable_query_log; disconnect conn1; let $wait_timeout= 10; let $wait_condition=select count(*)=0 from information_schema.processlist where state='User sleep' and info='select * from information_schema.tables where 1=sleep(100000)'; --source include/wait_condition.inc connect (conn1, localhost, root,,); connection conn1; let $ID= `select connection_id()`; send select * from information_schema.columns where 1=sleep(100000); connection default; let $wait_timeout= 10; let $wait_condition=select count(*)=1 from information_schema.processlist where state='User sleep' and info='select * from information_schema.columns where 1=sleep(100000)'; --source include/wait_condition.inc disable_query_log; eval kill $ID; enable_query_log; disconnect conn1; let $wait_timeout= 10; let $wait_condition=select count(*)=0 from information_schema.processlist where state='User sleep' and info='select * from information_schema.columns where 1=sleep(100000)'; --source include/wait_condition.inc # # Bug#38918 selecting from information_schema.columns is disproportionately slow # explain select count(*) from information_schema.tables; explain select count(*) from information_schema.columns; explain select count(*) from information_schema.views; # # Bug#39955 SELECT on INFORMATION_SCHEMA.GLOBAL_VARIABLES takes too long # set global init_connect="drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;\ drop table if exists t1;drop table if exists t1;"; select * from information_schema.global_variables where variable_name='init_connect'; set global init_connect=""; # # Bug#34517 SHOW GLOBAL STATUS does not work properly in embedded server. # --disable_warnings create table t0 select * from information_schema.global_status where VARIABLE_NAME='COM_SELECT'; SELECT 1; select a.VARIABLE_VALUE - b.VARIABLE_VALUE from t0 b, information_schema.global_status a where a.VARIABLE_NAME = b.VARIABLE_NAME; --enable_warnings drop table t0; # # Bug#35275 INFORMATION_SCHEMA.TABLES.CREATE_OPTIONS omits KEY_BLOCK_SIZE # CREATE TABLE t1(a INT) KEY_BLOCK_SIZE=1; SELECT CREATE_OPTIONS FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1'; DROP TABLE t1; # # Bug #22047: Time in SHOW PROCESSLIST for SQL thread in replication seems # to become negative # SET TIMESTAMP=@@TIMESTAMP + 10000000; SELECT 'OK' AS TEST_RESULT FROM INFORMATION_SCHEMA.PROCESSLIST WHERE time < 0; SET TIMESTAMP=DEFAULT; --echo # --echo # Bug #50276: Security flaw in INFORMATION_SCHEMA.TABLES --echo # CREATE DATABASE db1; USE db1; CREATE TABLE t1 (id INT); CREATE USER nonpriv; USE test; connect (nonpriv_con, localhost, nonpriv,,); connection nonpriv_con; --echo # connected as nonpriv --echo # Should return 0 SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1'; USE INFORMATION_SCHEMA; --echo # Should return 0 SELECT COUNT(*) FROM TABLES WHERE TABLE_NAME='t1'; connection default; --echo # connected as root disconnect nonpriv_con; DROP USER nonpriv; DROP TABLE db1.t1; DROP DATABASE db1; --echo --echo Bug#54422 query with = 'variables' --echo CREATE TABLE variables(f1 INT); SELECT COLUMN_DEFAULT, TABLE_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE INFORMATION_SCHEMA.COLUMNS.TABLE_NAME = 'variables'; DROP TABLE variables; --echo # --echo # Bug #53814: NUMERIC_PRECISION for unsigned bigint field is 19, --echo # should be 20 --echo # CREATE TABLE ubig (a BIGINT, b BIGINT UNSIGNED); SELECT TABLE_NAME, COLUMN_NAME, NUMERIC_PRECISION FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='ubig'; INSERT IGNORE INTO ubig VALUES (0xFFFFFFFFFFFFFFFF,0xFFFFFFFFFFFFFFFF); SELECT length(CAST(b AS CHAR)) FROM ubig; DROP TABLE ubig; --echo End of 5.1 tests. # # WL#2003 INFORMATION_SCHEMA: PARAMETERS view # WL#2822 INFORMATION_SCHEMA.ROUTINES: Add missing columns # create function f1 (p1 int, p2 datetime, p3 decimal(10,2)) returns char(10) return null; create procedure p1 (p1 float(8,5), p2 char(32), p3 varchar(10)) begin end; create procedure p2 (p1 enum('c', 's'), p2 blob, p3 text) begin end; select * from information_schema.parameters where specific_schema='test'; select data_type, character_maximum_length, character_octet_length, numeric_precision, numeric_scale, character_set_name, collation_name, dtd_identifier from information_schema.routines where routine_schema='test'; drop procedure p1; drop procedure p2; drop function f1; --echo # --echo # Additional test for WL#3726 "DDL locking for all metadata objects" --echo # To avoid possible deadlocks process of filling of I_S tables should --echo # use high-priority metadata lock requests when opening tables. --echo # Below we just test that we really use high-priority lock request --echo # since reproducing a deadlock will require much more complex test. --echo # --disable_warnings drop tables if exists t1, t2, t3; --enable_warnings create table t1 (i int); create table t2 (j int primary key auto_increment); connect (con3726_1,localhost,root,,test); --echo # Switching to connection 'con3726_1' connection con3726_1; lock table t2 read; connect (con3726_2,localhost,root,,test); --echo # Switching to connection 'con3726_2' connection con3726_2; --echo # RENAME below will be blocked by 'lock table t2 read' above but --echo # will add two pending requests for exclusive metadata locks. --send rename table t2 to t3 --echo # Switching to connection 'default' connection default; let $wait_condition= select count(*) = 1 from information_schema.processlist where state = "Waiting for table metadata lock" and info like "rename table t2 to t3"; --source include/wait_condition.inc --echo # These statements should not be blocked by pending lock requests select table_name, column_name, data_type from information_schema.columns where table_schema = 'test' and table_name in ('t1', 't2'); select table_name, auto_increment from information_schema.tables where table_schema = 'test' and table_name in ('t1', 't2'); --echo # Switching to connection 'con3726_1' connection con3726_1; unlock tables; --echo # Switching to connection 'con3726_2' connection con3726_2; --reap --echo # Switching to connection 'default' connection default; disconnect con3726_1; disconnect con3726_2; drop tables t1, t3; # # Bug#39270 I_S optimization algorithm does not work properly in some cases # EXPLAIN SELECT * FROM information_schema.key_column_usage; EXPLAIN SELECT * FROM information_schema.partitions WHERE TABLE_NAME='t1'; EXPLAIN SELECT * FROM information_schema.referential_constraints WHERE CONSTRAINT_SCHEMA='test'; EXPLAIN SELECT * FROM information_schema.table_constraints WHERE TABLE_NAME='t1' and TABLE_SCHEMA='test'; EXPLAIN SELECT * FROM information_schema.triggers WHERE EVENT_OBJECT_SCHEMA='test'; # # Bug#24062 Incorrect error msg after execute DROP TABLE IF EXISTS on information_schema # --error ER_DBACCESS_DENIED_ERROR create table information_schema.t1 (f1 INT); --error ER_DBACCESS_DENIED_ERROR drop table information_schema.t1; --error ER_DBACCESS_DENIED_ERROR drop temporary table if exists information_schema.t1; --error ER_DBACCESS_DENIED_ERROR create temporary table information_schema.t1 (f1 INT); --error ER_DBACCESS_DENIED_ERROR drop view information_schema.v1; --error ER_DBACCESS_DENIED_ERROR create view information_schema.v1; --error ER_DBACCESS_DENIED_ERROR create trigger mysql.trg1 after insert on information_schema.t1 for each row set @a=1; --error 1109 create table t1 select * from information_schema.t1; CREATE TABLE t1(f1 char(100)); --error ER_DBACCESS_DENIED_ERROR REPAIR TABLE t1, information_schema.tables; CHECKSUM TABLE t1, information_schema.tables; --error ER_DBACCESS_DENIED_ERROR ANALYZE TABLE t1, information_schema.tables; CHECK TABLE t1, information_schema.tables; --error ER_DBACCESS_DENIED_ERROR OPTIMIZE TABLE t1, information_schema.tables; --error ER_DBACCESS_DENIED_ERROR RENAME TABLE v1 to v2, information_schema.tables to t2; --error ER_DBACCESS_DENIED_ERROR DROP TABLE t1, information_schema.tables; --error ER_DBACCESS_DENIED_ERROR LOCK TABLES t1 READ, information_schema.tables READ; DROP TABLE t1; # # Bug#38916 Select from I_S.ROUTINES results in "No database selected" error # create function f1() returns int return 1; --connect (con7,localhost,root,,*NO-ONE*) select routine_name, routine_type from information_schema.routines where routine_schema = 'test'; connection default; drop function f1; disconnect con7; # # Bug #43834 Assertion in Natural_join_column::db_name() on an I_S query # SELECT * FROM INFORMATION_SCHEMA.key_column_usage LEFT JOIN INFORMATION_SCHEMA.COLUMNS USING (TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME) WHERE COLUMNS.TABLE_SCHEMA = 'test' AND COLUMNS.TABLE_NAME = 't1'; --echo # --echo # A test case for Bug#56540 "Exception (crash) in sql_show.cc --echo # during rqg_info_schema test on Windows" --echo # Ensure that we never access memory of a closed table, --echo # in particular, never access table->field[] array. --echo # Before the fix, the below test case, produced --echo # valgrind errors. --echo # --disable_warnings drop table if exists t1; drop view if exists v1; --enable_warnings create table t1 (a int, b int); create view v1 as select t1.a, t1.b from t1; alter table t1 change b c int; lock table t1 read; connect(con1, localhost, root,,); --echo # --> connection con1 connection con1; send flush tables; --echo # --> connection default connection default; let $wait_condition= select count(*) = 1 from information_schema.processlist where state = "Waiting for table flush" and info = "flush tables"; --source include/wait_condition.inc --vertical_results select * from information_schema.views where table_schema != 'sys'; --horizontal_results unlock tables; --echo # --echo # Cleanup. --echo # --echo # --> connection con1 connection con1; --echo # Reaping 'flush tables' reap; disconnect con1; --source include/wait_until_disconnected.inc --echo # --> connection default connection default; drop table t1; drop view v1; --echo # --echo # Test for bug #12828477 - "MDL SUBSYSTEM CREATES BIG OVERHEAD FOR --echo # CERTAIN QUERIES TO INFORMATION_SCHEMA". --echo # --echo # Check that metadata locks which are acquired during the process --echo # of opening tables/.FRMs/.TRG files while filling I_S table are --echo # not kept to the end of statement. Keeping the locks has caused --echo # performance problems in cases when big number of tables (.FRMs --echo # or .TRG files) were scanned as cost of new lock acquisition has --echo # increased linearly. --disable_warnings drop database if exists mysqltest; --enable_warnings create database mysqltest; use mysqltest; create table t0 (i int); create table t1 (j int); create table t2 (k int); --echo # --echo # Test that we don't keep locks in case when we to fill --echo # I_S table we perform full-blown table open. --echo # --echo # Acquire lock on 't2' so upcoming RENAME is --echo # blocked. lock tables t2 read; --echo # --echo # Switching to connection 'con12828477_1'. --echo # connect (con12828477_1, localhost, root,,mysqltest); --echo # The below RENAME should wait on 't2' while --echo # keeping X lock on 't1'. --send rename table t1 to t3, t2 to t1, t3 to t2 --echo # --echo # Switching to connection 'con12828477_2'. --echo # connect (con12828477_2, localhost, root,,mysqltest); --echo # Wait while the above RENAME is blocked. let $wait_condition= select count(*) = 1 from information_schema.processlist where state = "Waiting for table metadata lock" and info = "rename table t1 to t3, t2 to t1, t3 to t2"; --source include/wait_condition.inc --echo # Issue query to I_S which will open 't0' and get --echo # blocked on 't1' because of RENAME. --send select table_name, auto_increment from information_schema.tables where table_schema='mysqltest' --echo # --echo # Switching to connection 'con12828477_3'. --echo # connect (con12828477_3, localhost, root,,mysqltest); --echo # Wait while the above SELECT is blocked. let $wait_condition= select count(*) = 1 from information_schema.processlist where state = "Waiting for table metadata lock" and info = "select table_name, auto_increment from information_schema.tables where table_schema='mysqltest'"; --source include/wait_condition.inc --echo # --echo # Check that it holds no lock on 't0' so it can be renamed. rename table t0 to t4; --echo # --echo # Switching to connection 'default'. --echo # connection default; --echo # --echo # Unblock the first RENAME. unlock tables; --echo # --echo # Switching to connection 'con12828477_1'. --echo # connection con12828477_1; --echo # Reap the first RENAME --reap --echo # --echo # Switching to connection 'con12828477_2'. --echo # connection con12828477_2; --echo # Reap SELECT to I_S. --reap --echo # --echo # Switching to connection 'default'. --echo # connection default; --echo # --echo # Now test that we don't keep locks in case when we to fill --echo # I_S table we read .FRM or .TRG file only (this was the case --echo # for which problem existed). --echo # rename table t4 to t0; --echo # Acquire lock on 't2' so upcoming RENAME is --echo # blocked. lock tables t2 read; --echo # --echo # Switching to connection 'con12828477_1'. --echo # connection con12828477_1; --echo # The below RENAME should wait on 't2' while --echo # keeping X lock on 't1'. --send rename table t1 to t3, t2 to t1, t3 to t2 --echo # --echo # Switching to connection 'con12828477_2'. --echo # connection con12828477_2; --echo # Wait while the above RENAME is blocked. let $wait_condition= select count(*) = 1 from information_schema.processlist where state = "Waiting for table metadata lock" and info = "rename table t1 to t3, t2 to t1, t3 to t2"; --source include/wait_condition.inc --echo # Issue query to I_S which will open 't0' and get --echo # blocked on 't1' because of RENAME. --send select event_object_table, trigger_name from information_schema.triggers where event_object_schema='mysqltest' --echo # --echo # Switching to connection 'con12828477_3'. --echo # connection con12828477_3; --echo # Wait while the above SELECT is blocked. let $wait_condition= select count(*) = 1 from information_schema.processlist where state = "Waiting for table metadata lock" and info = "select event_object_table, trigger_name from information_schema.triggers where event_object_schema='mysqltest'"; --source include/wait_condition.inc --echo # --echo # Check that it holds no lock on 't0' so it can be renamed. rename table t0 to t4; --echo # --echo # Switching to connection 'default'. --echo # connection default; --echo # --echo # Unblock the first RENAME. unlock tables; --echo # --echo # Switching to connection 'con12828477_1'. --echo # connection con12828477_1; --echo # Reap the first RENAME --reap --echo # --echo # Switching to connection 'con12828477_2'. --echo # connection con12828477_2; --echo # Reap SELECT to I_S. --reap --echo # --echo # Switching to connection 'default'. --echo # connection default; disconnect con12828477_1; disconnect con12828477_2; disconnect con12828477_3; --echo # --echo # Test case to test DATETIME_PRECISION of information_schema.columns table --echo # --disable_warnings drop database if exists mysqltest; --enable_warnings create database mysqltest; use mysqltest; create table mysqltest.t(a int, b date, c time, d datetime, e timestamp); create table mysqltest.t0(a int, b date, c time(0), d datetime(0), e timestamp(0)); create table mysqltest.t1(a int, b date, c time(1), d datetime(1), e timestamp(1)); create table mysqltest.t2(a int, b date, c time(2), d datetime(2), e timestamp(2)); create table mysqltest.t3(a int, b date, c time(3), d datetime(3), e timestamp(3)); create table mysqltest.t4(a int, b date, c time(4), d datetime(4), e timestamp(4)); create table mysqltest.t5(a int, b date, c time(5), d datetime(5), e timestamp(5)); create table mysqltest.t6(a int, b date, c time(6), d datetime(6), e timestamp(6)); select TABLE_NAME,COLUMN_NAME,DATA_TYPE,DATETIME_PRECISION from information_schema.columns where TABLE_SCHEMA='mysqltest'; --echo # --echo # Clean-up. drop database mysqltest; use test; --echo # --echo # Test for bug #16869534 - "QUERYING SUBSET OF COLUMNS DOESN'T USE TABLE --echo # CACHE; OPENED_TABLES INCREASES" --echo # --disable_result_log SELECT * FROM INFORMATION_SCHEMA.TABLES; --enable_result_log --disable_warnings SELECT VARIABLE_VALUE INTO @val1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME LIKE 'Opened_tables'; --enable_warnings --disable_result_log SELECT ENGINE FROM INFORMATION_SCHEMA.TABLES; --enable_result_log --disable_warnings --echo # The below SELECT query should give same output as above SELECT query. SELECT VARIABLE_VALUE INTO @val2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME LIKE 'Opened_tables'; --enable_warnings --echo # The below select should return '1' SELECT @val1 = @val2; --echo # --echo # End of 5.5 tests --echo # --echo # --echo # Bug #13966514 : CRASH IN GET_SCHEMA_TABLES_RESULT WITH MIN/MAX, --echo # LEFT/RIGHT JOIN ON I_S TABLE --echo # CREATE TABLE t1(a INT PRIMARY KEY); INSERT INTO t1 VALUES (1); --echo # must not crash SELECT MAX(a) FROM information_schema.engines RIGHT JOIN t1 ON 1; DROP TABLE t1; --echo # --echo # BUG#13463397 - 63562: UNKNOWN DATABASE INFORMATION_SCHEMA --echo # --error ER_DBACCESS_DENIED_ERROR CREATE PROCEDURE information_schema.is() BEGIN END; --echo # --echo # Bug#26877788 SELECT FROM INFORMATION_SCHEMA.FILES RETURNS NO RECORDS WHEN ORDER BY IS USED --echo # SELECT ENGINE, SUPPORT, TRANSACTIONS FROM INFORMATION_SCHEMA.ENGINES WHERE SUPPORT IN ( SELECT DISTINCT SUPPORT FROM INFORMATION_SCHEMA.ENGINES WHERE ENGINE IN ( SELECT DISTINCT ENGINE FROM INFORMATION_SCHEMA.ENGINES WHERE ENGINE IN ('MEMORY'))) ORDER BY ENGINE LIMIT 1; --echo # --echo # End of 5.6 tests --echo # # Wait till all disconnects are completed --source include/wait_until_count_sessions.inc --echo # --echo # Bug#19307777 ASSERTION `QEP_TAB->CONDITION() == QEP_TAB->CONDITION_OPTIM()' FAILED --echo # let $query= select * from information_schema . innodb_cmp as table1 left outer join mysql . procs_priv as table2 on ( table2 . routine_name = table1 . compress_time ) where not table1 . compress_time <> '2006-09-03 10:11:37.046313' having table2 . grantor <> '2008-02-28 22:17:05.025739' limit 9; eval EXPLAIN $query; eval $query; --echo # --echo # Bug#20665051 SQL_SHOW.CC:7764: ASSERTION `QEP_TAB->CONDITION() == QEP_TAB->CONDITION_OPTIM() --echo # let query= SELECT 1 FROM DUAL WHERE (SELECT 1 FROM information_schema.tables WHERE table_schema ORDER BY table_name LIMIT 1); eval EXPLAIN $query; --disable_warnings eval $query; --enable_warnings let $query= SELECT 1 AS F1 FROM information_schema.tables WHERE "CHARACTER_SETS"= (SELECT CAST(TABLE_NAME AS CHAR) FROM information_schema.tables WHERE table_schema != 'PERFORMANCE_SCHEMA' ORDER BY table_name LIMIT 1) LIMIT 1; eval EXPLAIN $query; eval $query; --echo # --echo # WL#2284: Increase the length of a user name --echo # connection default; --character_set utf8 set names utf8; CREATE USER user_name_len_22_01234@localhost; GRANT SELECT ON *.* TO user_name_len_22_01234@localhost; connect (con_user22,localhost,user_name_len_22_01234,,test); connection con_user22; SELECT user,db FROM information_schema.processlist; connection default; # 32 characters user name CREATE USER очень_очень_очень_длинный_юзер__@localhost; GRANT SELECT ON *.* TO очень_очень_очень_длинный_юзер__@localhost; connect (con_user32_utf8,localhost,очень_очень_очень_длинный_юзер__,,test); connection con_user32_utf8; SELECT user,db FROM information_schema.processlist; connection default; # cleanup disconnect con_user22; disconnect con_user32_utf8; DROP USER user_name_len_22_01234@localhost; DROP USER очень_очень_очень_длинный_юзер__@localhost; set names default; set sql_mode= @orig_sql_mode;