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Code Activity

MDEV-15427 IB: TRX_ID based operations inside transaction generate history

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[closes tempesta-tech#472]
This commit is contained in:
Aleksey Midenkov
2018-02-27 18:08:49 +03:00
committed by Sergei Golubchik
parent a4251d6f18
commit 72dd813f7e
4 changed files with 70 additions and 19 deletions
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42
mysql-test/suite/versioning/t/trx_id.test
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@@ -1,19 +1,21 @@
-- source include/have_innodb.inc
-- source include/not_embedded.inc
set default_storage_engine= innodb;
create or replace table t1 (
x int,
sys_trx_start bigint(20) unsigned as row start invisible,
sys_trx_end bigint(20) unsigned as row end invisible,
period for system_time (sys_trx_start, sys_trx_end)
) with system versioning engine innodb;
) with system versioning;
insert into t1 (x) values (1);
--echo # ALTER ADD SYSTEM VERSIONING should write to mysql.transaction_registry
set @@system_versioning_alter_history=keep;
create or replace table t1 (x int) engine innodb;
create or replace table t1 (x int);
insert into t1 values (1);
alter table t1
add column s bigint unsigned as row start,
@@ -24,7 +26,7 @@ alter table t1
select s from t1 into @trx_start;
select count(*) = 1 from mysql.transaction_registry where transaction_id = @trx_start;
create or replace table t1 (x int) engine innodb;
create or replace table t1 (x int);
select count(*) from mysql.transaction_registry into @tmp;
alter table t1
add column s bigint unsigned as row start,
@@ -34,7 +36,7 @@ alter table t1
algorithm=inplace;
select count(*) = @tmp from mysql.transaction_registry;
create or replace table t1 (x int) engine innodb;
create or replace table t1 (x int);
insert into t1 values (1);
alter table t1
add column s bigint unsigned as row start,
@@ -45,7 +47,7 @@ alter table t1
select s from t1 into @trx_start;
select count(*) = 1 from mysql.transaction_registry where transaction_id = @trx_start;
create or replace table t1 (x int) engine innodb;
create or replace table t1 (x int);
select count(*) from mysql.transaction_registry into @tmp;
alter table t1
add column s bigint unsigned as row start,
@@ -62,7 +64,7 @@ create or replace table t1 (
sys_start bigint unsigned as row start invisible,
sys_end bigint unsigned as row end invisible,
period for system_time (sys_start, sys_end)
) engine innodb with system versioning;
) with system versioning;
insert into t1 values (1);
alter table t1 drop column sys_start, drop column sys_end;
select row_end = 18446744073709551615 as transaction_based from t1 for system_time all;
@@ -73,7 +75,7 @@ create or replace table t1 (
sys_start bigint(20) unsigned as row start invisible,
sys_end bigint(20) unsigned as row end invisible,
period for system_time (sys_start, sys_end)
) with system versioning engine innodb;
) with system versioning;
set transaction isolation level read committed;
start transaction;
@@ -116,4 +118,28 @@ select * from t1 for system_time as of timestamp @ts2;
select * from t1 for system_time as of transaction @trx_id3;
select * from t1 for system_time as of timestamp @ts3;
drop table t1;
--echo #
--echo # MDEV-15427 IB: TRX_ID based operations inside transaction generate history
--echo #
create or replace table t1(
x int(10),
row_start bigint(20) unsigned as row start,
row_end bigint(20) unsigned as row end,
period for system_time(row_start, row_end)
) with system versioning;
begin;
insert into t1 (x) values (1);
delete from t1;
commit;
select x from t1 for system_time all;
insert into t1 (x) values (2);
begin;
update t1 set x= 3;
update t1 set x= 4;
commit;
select x, row_start < row_end from t1 for system_time all;
drop database test;
create database test;