mariadb/mysql-test/suite/versioning/r/ddl.result

set @@session.time_zone='+00:00';
select ifnull(max(trx_id), 0) into @start_trx_id from information_schema.innodb_vtq;
create procedure if not exists verify_vtq()
begin
set @i= 0;
select
@i:= @i + 1 as No,
trx_id > 0 as A,
commit_id > trx_id as B,
begin_ts > '1-1-1 0:0:0' as C,
commit_ts >= begin_ts as D
from information_schema.innodb_vtq
where trx_id > @start_trx_id;
select ifnull(max(trx_id), 0)
into @start_trx_id
from information_schema.innodb_vtq;
end~~
create function if not exists default_engine()
returns varchar(255)
deterministic
begin
declare e varchar(255);
select lower(engine) from information_schema.engines where support='DEFAULT' into e;
return e;
end~~
create function if not exists sys_datatype()
returns varchar(255)
deterministic
begin
if default_engine() = 'innodb' then
return 'bigint unsigned';
elseif default_engine() = 'myisam' then
return 'timestamp(6)';
end if;
return NULL;
end~~
create function if not exists sys_commit_ts(sys_field varchar(255))
returns varchar(255)
deterministic
begin
if default_engine() = 'innodb' then
return concat('vtq_commit_ts(', sys_field, ')');
elseif default_engine() = 'myisam' then
return sys_field;
end if;
return NULL;
end~~
create procedure if not exists innodb_verify_vtq(recs int)
begin
declare i int default 1;
if default_engine() = 'innodb' then
call verify_vtq;
elseif default_engine() = 'myisam' then
create temporary table tmp (No int, A bool, B bool, C bool, D bool);
while i <= recs do
insert into tmp values (i, 1, 1, 1, 1);
set i= i + 1;
end while;
select * from tmp;
drop table tmp;
end if;
end~~
create procedure concat_exec2(a varchar(255), b varchar(255))
begin
prepare stmt from concat(a, b);
execute stmt;
deallocate prepare stmt;
end~~
create procedure concat_exec3(a varchar(255), b varchar(255), c varchar(255))
begin
prepare stmt from concat(a, b, c);
execute stmt;
deallocate prepare stmt;
end~~
create function get_historical_table_name(table_name_arg varchar(255))
returns varchar(255)
begin
return (select table_name from information_schema.tables
where table_schema='test' and table_name like concat(table_name_arg, '_%') limit 1);
end~~
create procedure drop_last_historical(table_name_arg varchar(255))
begin
call concat_exec2('drop table ', get_historical_table_name(table_name_arg));
end~~
set versioning_ddl_survival = 1;
create or replace table t (a int) with system versioning;
insert into t values (1);
update t set a=2 where a=1;
select sys_trx_start from t where a=2 into @tm;
alter table t add column b int;
select * from t;
a	b
2	NULL
call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
a
2
1
call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
@tm=sys_trx_start
1
select @tm<sys_trx_start from t where a=2;
@tm<sys_trx_start
1
select sys_trx_start from t where a=2 into @tm;
call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
@tm=sys_trx_end
1
call drop_last_historical('t');
create or replace table t (a int) with system versioning;
insert into t values (1);
update t set a=2 where a=1;
select sys_trx_start from t where a=2 into @tm;
alter table t add column b int;
select * from t;
a	b
2	NULL
call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
a
2
1
call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
@tm=sys_trx_start
1
select @tm<sys_trx_start from t where a=2;
@tm<sys_trx_start
1
select sys_trx_start from t where a=2 into @tm;
call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
@tm=sys_trx_end
1
call drop_last_historical('t');
create or replace table t (a int) with system versioning engine innodb;
insert into t values (1);
update t set a=2 where a=1;
select sys_trx_start from t where a=2 into @tm;
alter table t add column b int;
select * from t;
a	b
2	NULL
call concat_exec3('select * from ', get_historical_table_name('t'), ' for system_time all');
a
2
1
call concat_exec3('select @tm=sys_trx_start from ', get_historical_table_name('t'), ' for system_time all where a=2');
@tm=sys_trx_start
1
select @tm<sys_trx_start from t where a=2;
@tm<sys_trx_start
1
select sys_trx_start from t where a=2 into @tm;
call concat_exec3('select @tm=sys_trx_end from ', get_historical_table_name('t'), ' for system_time all where a=2');
@tm=sys_trx_end
1
call drop_last_historical('t');
create or replace table t (a int) with system versioning engine innodb;
insert into t values (1);
update t set a=2 where a=1;
alter table t add column b int, algorithm=inplace;
set versioning_ddl_survival = 0;
drop procedure concat_exec2;
drop procedure concat_exec3;
drop function get_historical_table_name;
drop procedure drop_last_historical;
select * from mysql.vtmd_template;
start	end	name	archive_name	col_renames
show create table mysql.vtmd_template;
Table	Create Table
vtmd_template	CREATE TABLE `vtmd_template` (
  `start` bigint(20) unsigned GENERATED ALWAYS AS ROW START COMMENT 'TRX_ID of table lifetime start',
  `end` bigint(20) unsigned GENERATED ALWAYS AS ROW END NOT NULL COMMENT 'TRX_ID of table lifetime end',
  `name` varchar(64) COLLATE utf8_bin NOT NULL COMMENT 'Table name during period [start, end)',
  `archive_name` varchar(64) COLLATE utf8_bin DEFAULT NULL COMMENT 'Name of archive table',
  `col_renames` blob DEFAULT NULL COMMENT 'Column name mappings from previous lifetime',
  PRIMARY KEY (`end`),
  PERIOD FOR SYSTEM_TIME (`start`, `end`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=0 WITH SYSTEM VERSIONING
call verify_vtq;
No	A	B	C	D
1	1	1	1	1
2	1	1	1	1
3	1	1	1	1
4	1	1	1	1
5	1	1	1	1
drop table t;
drop procedure verify_vtq;
drop procedure innodb_verify_vtq;
drop function default_engine;
drop function sys_commit_ts;
drop function sys_datatype;