database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

SQL: compare TRX_ID fields against timestamps [closes #231]

Browse Source
This commit is contained in:
Aleksey Midenkov
2017-08-03 10:11:49 +03:00
parent d998da0306
commit c2c8808a16
26 changed files with 1107 additions and 256 deletions
Download Patch File Download Diff File Expand all files Collapse all files

75
mysql-test/suite/versioning/r/view.result
View File

@ -1,3 +1,65 @@
set @@session.time_zone='+00:00';
select ifnull(max(transaction_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,
transaction_id > 0 as A,
commit_id > transaction_id as B,
begin_timestamp > '1-1-1 0:0:0' as C,
commit_timestamp >= begin_timestamp as D
from information_schema.innodb_vtq
where transaction_id > @start_trx_id;
select ifnull(max(transaction_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 table t1 (x int) with system versioning engine innodb;
insert into t1 values (1);
select now(6) into @t1;
@ -23,7 +85,7 @@ x
create or replace view vt1 as select * from t1;
show create view vt1;
View Create View character_set_client collation_connection
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`x` AS `x`,`t1`.`sys_trx_start` AS `sys_trx_start`,`t1`.`sys_trx_end` AS `sys_trx_end` from `t1` FOR SYSTEM_TIME ALL where `t1`.`sys_trx_end` = 18446744073709551615 latin1 latin1_swedish_ci
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`x` AS `x`,`t1`.`sys_trx_start` AS `sys_trx_start`,`t1`.`sys_trx_end` AS `sys_trx_end` from `t1` FOR SYSTEM_TIME ALL where `t1`.`sys_trx_end` = TIMESTAMP'2038-01-19 03:14:07' latin1 latin1_swedish_ci
drop view vt1;
drop view vt2;
create view vt1 as select * from t1 for system_time all;
@ -116,16 +178,21 @@ create or replace table t3 (x int);
create or replace view vt1 as select * from t1, t2, t3;
show create view vt1;
View Create View character_set_client collation_connection
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`b` AS `b`,`t3`.`x` AS `x`,`t1`.`sys_trx_start` AS `sys_trx_start`,`t1`.`sys_trx_end` AS `sys_trx_end` from ((`t1` FOR SYSTEM_TIME ALL join `t2` FOR SYSTEM_TIME ALL) join `t3`) where `t1`.`sys_trx_end` = 18446744073709551615 and `t2`.`sys_trx_end` = 18446744073709551615 latin1 latin1_swedish_ci
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`b` AS `b`,`t3`.`x` AS `x`,`t1`.`sys_trx_start` AS `sys_trx_start`,`t1`.`sys_trx_end` AS `sys_trx_end` from ((`t1` FOR SYSTEM_TIME ALL join `t2` FOR SYSTEM_TIME ALL) join `t3`) where `t1`.`sys_trx_end` = TIMESTAMP'2038-01-19 03:14:07' and `t2`.`sys_trx_end` = TIMESTAMP'2038-01-19 03:14:07' latin1 latin1_swedish_ci
create or replace view vt1 as select * from t3, t2, t1;
show create view vt1;
View Create View character_set_client collation_connection
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t3`.`x` AS `x`,`t2`.`b` AS `b`,`t1`.`a` AS `a`,`t2`.`sys_trx_start` AS `sys_trx_start`,`t2`.`sys_trx_end` AS `sys_trx_end` from ((`t3` join `t2` FOR SYSTEM_TIME ALL) join `t1` FOR SYSTEM_TIME ALL) where `t2`.`sys_trx_end` = 18446744073709551615 and `t1`.`sys_trx_end` = 18446744073709551615 latin1 latin1_swedish_ci
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t3`.`x` AS `x`,`t2`.`b` AS `b`,`t1`.`a` AS `a`,`t2`.`sys_trx_start` AS `sys_trx_start`,`t2`.`sys_trx_end` AS `sys_trx_end` from ((`t3` join `t2` FOR SYSTEM_TIME ALL) join `t1` FOR SYSTEM_TIME ALL) where `t2`.`sys_trx_end` = TIMESTAMP'2038-01-19 03:14:07' and `t1`.`sys_trx_end` = TIMESTAMP'2038-01-19 03:14:07' latin1 latin1_swedish_ci
create or replace view vt1 as select a, t2.sys_trx_end as endo from t3, t1, t2;
show create view vt1;
View Create View character_set_client collation_connection
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`sys_trx_end` AS `endo`,`t2`.`sys_trx_start` AS `sys_trx_start` from ((`t3` join `t1` FOR SYSTEM_TIME ALL) join `t2` FOR SYSTEM_TIME ALL) where `t1`.`sys_trx_end` = 18446744073709551615 and `t2`.`sys_trx_end` = 18446744073709551615 latin1 latin1_swedish_ci
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`sys_trx_end` AS `endo`,`t2`.`sys_trx_start` AS `sys_trx_start` from ((`t3` join `t1` FOR SYSTEM_TIME ALL) join `t2` FOR SYSTEM_TIME ALL) where `t1`.`sys_trx_end` = TIMESTAMP'2038-01-19 03:14:07' and `t2`.`sys_trx_end` = TIMESTAMP'2038-01-19 03:14:07' latin1 latin1_swedish_ci
create or replace view vvt1 as select * from t1, t2, vt1;
ERROR HY000: Creating VIEW `vvt1` is prohibited: versioned VIEW `vt1` in query!
drop view vt1, vt12;
drop table t1, t2, t3;
drop procedure verify_vtq;
drop procedure innodb_verify_vtq;
drop function default_engine;
drop function sys_commit_ts;
drop function sys_datatype;