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Timestamp-based versioning for InnoDB [closes #209]

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* Removed integer_fields check
* Reworked Vers_parse_info::check_sys_fields()
* Misc renames
* versioned as vers_sys_type_t

* Removed versioned_by_sql(), versioned_by_engine()

versioned() works as before;
versioned(VERS_TIMESTAMP) is versioned_by_sql();
versioned(VERS_TRX_ID) is versioned_by_engine().

* create_tmp_table() fix
* Foreign constraints for timestamp-based
* Range auto-specifier fix
* SQL: 1-row partition rotation fix [fixes #260]
* Fix 'drop system versioning, algorithm=inplace'
This commit is contained in:
Aleksey Midenkov
2017-12-18 19:03:51 +03:00
committed by GitHub
parent d5e37621cf
commit b55a149194
73 changed files with 1178 additions and 836 deletions
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37
mysql-test/suite/versioning/r/select.result
View File

@ -1,6 +1,9 @@
create or replace table t1 (
x int unsigned,
y int unsigned
y int unsigned,
sys_trx_start SYS_DATATYPE generated always as row start,
sys_trx_end SYS_DATATYPE generated always as row end,
period for system_time (sys_trx_start, sys_trx_end)
) with system versioning;
insert into t1 (x, y) values
(0, 100),
@ -199,7 +202,7 @@ A
create or replace table t1 (x int);
insert into t1 values (1);
select * from t1 for system_time all;
ERROR HY000: System Versioning required: t1
ERROR HY000: System versioning required: t1
create or replace table t1 (x int) with system versioning;
insert into t1 values (1);
select * from t1 for system_time all for update;
@ -307,8 +310,13 @@ ERROR HY000: SYSTEM_TIME is not allowed outside historical `t`
# TRANSACTION/TIMESTAMP specifier in SYSTEM_TIME [MDEV-14645, Issue #396]
create or replace table t1 (x int) with system versioning engine myisam;
select * from t1 for system_time as of transaction 1;
ERROR HY000: Engine does not support System Versioning for `t1`
create or replace table t1 (x int) with system versioning engine innodb;
ERROR HY000: Transaction system versioning for `t1` is not supported
create or replace table t1 (
x int,
sys_trx_start bigint unsigned generated always as row start,
sys_trx_end bigint unsigned generated always as row end,
period for system_time (sys_trx_start, sys_trx_end)
) with system versioning engine innodb;
insert into t1 values (1);
set @ts= now(6);
delete from t1;
@ -318,28 +326,29 @@ select @trx_start < unix_timestamp(@ts) - 100 as trx_start_good;
trx_start_good
1
## TIMESTAMP specifier
select * from t1 for system_time as of timestamp @ts;
select x from t1 for system_time as of timestamp @ts;
x
1
select * from t1 for system_time as of timestamp unix_timestamp(@ts);
select x from t1 for system_time as of timestamp unix_timestamp(@ts);
x
1
select * from t1 for system_time as of timestamp @trx_start;
select x from t1 for system_time as of timestamp @trx_start;
x
set @ts= timestamp'1-1-1 0:0:0';
## TRANSACTION specifier
select * from t1 for system_time as of transaction @ts;
select x from t1 for system_time as of transaction @ts;
x
select * from t1 for system_time as of transaction unix_timestamp(@ts);
select x from t1 for system_time as of transaction unix_timestamp(@ts);
x
select * from t1 for system_time as of transaction @trx_start;
select x from t1 for system_time as of transaction @trx_start;
x
1
## no specifier (auto-detection)
select * from t1 for system_time as of @ts;
select x from t1 for system_time as of @ts;
x
select * from t1 for system_time as of unix_timestamp(@ts);
select x from t1 for system_time as of unix_timestamp(@ts);
x
select * from t1 for system_time as of @trx_start;
select x from t1 for system_time as of @trx_start;
x
1
### Issue #365, bug 4 (related to #226, optimized fields)
@ -398,7 +407,7 @@ select * from t1 where t = '00:00:00' and i > 0 and sys_trx_end <> '2012-12-12 0
pk i t
drop view v1;
drop table t1, t2;
call innodb_verify_vtq(34);
call verify_vtq_dummy(34);
No A B C D
1 1 1 1 1
2 1 1 1 1