mariadb/mysql-test/t/sp-destruct.test

#
# Destructive stored procedure tests
#
# We do horrible things to the mysql.proc table here, so any unexpected
# failures here might leave it in an undetermined state.
#
# In the case of trouble you might want to skip this.
#

# embedded server returns different paths in error messages
# in lines like 'call bug14233();'
# mysqltest should be fixed to allow REPLACE_RESULT in error message
-- source include/not_embedded.inc

# Supress warnings written to the log file
call mtr.add_suppression("Column count of mysql.proc is wrong. Expected 20, found 19. The table is probably corrupted");

# Backup proc table
let $MYSQLD_DATADIR= `select @@datadir`;
--copy_file $MYSQLD_DATADIR/mysql/proc.frm $MYSQLTEST_VARDIR/tmp/proc.frm
--copy_file $MYSQLD_DATADIR/mysql/proc.MYD $MYSQLTEST_VARDIR/tmp/proc.MYD
--copy_file $MYSQLD_DATADIR/mysql/proc.MYI $MYSQLTEST_VARDIR/tmp/proc.MYI

use test;

--disable_warnings
drop procedure if exists bug14233;
drop function if exists bug14233;
drop table if exists t1;
drop view if exists v1;
--enable_warnings

create procedure bug14233()
  set @x = 42;

create function bug14233_f() returns int
  return 42;

create table t1 (id int);
create trigger t1_ai after insert on t1 for each row call bug14233();

# Unsupported tampering with the mysql.proc definition
alter table mysql.proc drop type;
--error ER_COL_COUNT_DOESNT_MATCH_CORRUPTED
call bug14233();
--error ER_COL_COUNT_DOESNT_MATCH_CORRUPTED
create view v1 as select bug14233_f();
--error ER_COL_COUNT_DOESNT_MATCH_CORRUPTED
insert into t1 values (0);
--error ER_COL_COUNT_DOESNT_MATCH_CORRUPTED
show procedure status;

flush table mysql.proc;

# Thrashing the .frm file
--remove_file $MYSQLD_DATADIR/mysql/proc.frm
--write_file $MYSQLD_DATADIR/mysql/proc.frm
saljdfa
EOF
--replace_result $MYSQLTEST_VARDIR . master-data// '' '\\' '/'
--error ER_NOT_FORM_FILE
call bug14233();
--replace_result $MYSQLTEST_VARDIR . master-data// '' '\\' '/'
--error ER_NOT_FORM_FILE
create view v1 as select bug14233_f();
--replace_result $MYSQLTEST_VARDIR . master-data// '' '\\' '/'
--error ER_NOT_FORM_FILE
insert into t1 values (0);

flush table mysql.proc;

# Drop the mysql.proc table
--remove_file $MYSQLD_DATADIR/mysql/proc.frm
--remove_file $MYSQLD_DATADIR/mysql/proc.MYD
--remove_file $MYSQLD_DATADIR/mysql/proc.MYI
--error ER_NO_SUCH_TABLE
call bug14233();
--error ER_NO_SUCH_TABLE
create view v1 as select bug14233_f();
--error ER_NO_SUCH_TABLE
insert into t1 values (0);

# Restore mysql.proc
--copy_file $MYSQLTEST_VARDIR/tmp/proc.frm $MYSQLD_DATADIR/mysql/proc.frm
--copy_file $MYSQLTEST_VARDIR/tmp/proc.MYD $MYSQLD_DATADIR/mysql/proc.MYD
--copy_file $MYSQLTEST_VARDIR/tmp/proc.MYI $MYSQLD_DATADIR/mysql/proc.MYI 
--remove_file $MYSQLTEST_VARDIR/tmp/proc.frm
--remove_file $MYSQLTEST_VARDIR/tmp/proc.MYD
--remove_file $MYSQLTEST_VARDIR/tmp/proc.MYI

flush table mysql.proc;
flush privileges;

delete from mysql.proc where name like 'bug14233%';

# Unsupported editing of mysql.proc, circumventing checks in "create ..."
insert into mysql.proc
(
  db, name, type, specific_name, language, sql_data_access, is_deterministic,
  security_type, param_list, returns, body, definer, created, modified,
  sql_mode, comment, character_set_client, collation_connection, db_collation,
  body_utf8
)
values
(
  'test', 'bug14233_1', 'FUNCTION', 'bug14233_1', 'SQL', 'READS_SQL_DATA', 'NO',
  'DEFINER', '', 'int(10)',
  'select count(*) from mysql.user',
  'root@localhost', NOW() , '0000-00-00 00:00:00', '', '',
  '', '', '',
  'select count(*) from mysql.user'
),
(
  'test', 'bug14233_2', 'FUNCTION', 'bug14233_2', 'SQL', 'READS_SQL_DATA', 'NO',
  'DEFINER', '', 'int(10)',
  'begin declare x int; select count(*) into x from mysql.user; end',
  'root@localhost', NOW() , '0000-00-00 00:00:00', '', '',
  '', '', '',
  'begin declare x int; select count(*) into x from mysql.user; end'
),
(
  'test', 'bug14233_3', 'PROCEDURE', 'bug14233_3', 'SQL', 'READS_SQL_DATA','NO',
  'DEFINER', '', '',
  'alksj wpsj sa ^#!@ ',
  'root@localhost', NOW() , '0000-00-00 00:00:00', '', '',
  '', '', '',
  'alksj wpsj sa ^#!@ '
);

--error ER_SP_PROC_TABLE_CORRUPT
select bug14233_1();
--error ER_SP_PROC_TABLE_CORRUPT
create view v1 as select bug14233_1();

--error ER_SP_PROC_TABLE_CORRUPT
select bug14233_2();
--error ER_SP_PROC_TABLE_CORRUPT
create view v1 as select bug14233_2();

--error ER_SP_PROC_TABLE_CORRUPT
call bug14233_3();
drop trigger t1_ai;
create trigger t1_ai after insert on t1 for each row call bug14233_3();
--error ER_SP_PROC_TABLE_CORRUPT
insert into t1 values (0);

# Clean-up
drop trigger t1_ai;
drop table t1;

#
# BUG#16303: erroneus stored procedures and functions should be droppable
#
drop function bug14233_1;
drop function bug14233_2;
drop procedure bug14233_3;
# Assert: These should show nothing.
show procedure status where db=DATABASE();
show function status where db=DATABASE();

#
# Bug#41726 upgrade from 5.0 to 5.1.30 crashes if you didn't run mysql_upgrade
#


--disable_warnings
DROP TABLE IF EXISTS proc_backup;
DROP PROCEDURE IF EXISTS p1;
--enable_warnings

--echo # Backup the proc table

RENAME TABLE mysql.proc TO proc_backup;
CREATE TABLE mysql.proc LIKE proc_backup;
FLUSH TABLE mysql.proc;

--echo # Test with a valid table.

CREATE PROCEDURE p1()
  SET @foo = 10;
CALL p1();
--replace_column 5 '0000-00-00 00:00:00' 6 '0000-00-00 00:00:00'
SHOW PROCEDURE STATUS;

--echo # Modify a field of the table.

ALTER TABLE mysql.proc MODIFY comment CHAR (32);

--error ER_CANNOT_LOAD_FROM_TABLE
CREATE PROCEDURE p2()
  SET @foo = 10;
--echo # Procedure loaded from the cache
CALL p1();
--error ER_CANNOT_LOAD_FROM_TABLE
SHOW PROCEDURE STATUS;

DROP TABLE mysql.proc;
RENAME TABLE proc_backup TO mysql.proc;
FLUSH TABLE mysql.proc;