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MDEV-15893 Rename VTQ to TRT

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This commit is contained in:
Eugene Kosov
2018-04-17 09:53:44 +03:00
committed by Sergei Golubchik
parent a4272bf154
commit fe10bf870c
15 changed files with 161 additions and 161 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
mysql-test/suite/versioning/common.inc
View File

@ -6,7 +6,7 @@ select ifnull(max(transaction_id), 0) into @start_trx_id from mysql.transaction_
set @test_start=now(6);
delimiter ~~;
create procedure if not exists verify_vtq()
create procedure if not exists verify_trt()
begin
set @i= 0;
select
@ -22,7 +22,7 @@ begin
from mysql.transaction_registry;
end~~
create procedure if not exists verify_vtq_dummy(recs int)
create procedure if not exists verify_trt_dummy(recs int)
begin
declare i int default 1;
create temporary table tmp (No int, A bool, B bool, C bool, D bool);

4
mysql-test/suite/versioning/common_finish.inc
View File

@ -1,6 +1,6 @@
--disable_query_log
drop procedure verify_vtq;
drop procedure verify_vtq_dummy;
drop procedure verify_trt;
drop procedure verify_trt_dummy;
drop function current_row;
drop function check_row;
--enable_query_log

16
mysql-test/suite/versioning/r/alter.result
View File

@ -265,14 +265,14 @@ t CREATE TABLE `t` (
) ENGINE=InnoDB DEFAULT CHARSET=latin1 WITH SYSTEM VERSIONING
alter table t drop system versioning;
insert into t values(1);
call verify_vtq;
call verify_trt;
No A B C D
alter table t
add column trx_start bigint(20) unsigned as row start invisible,
add column trx_end bigint(20) unsigned as row end invisible,
add period for system_time(trx_start, trx_end),
add system versioning;
call verify_vtq;
call verify_trt;
No A B C D
1 1 1 1 1
show create table t;
@ -284,13 +284,13 @@ t CREATE TABLE `t` (
PERIOD FOR SYSTEM_TIME (`trx_start`, `trx_end`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 WITH SYSTEM VERSIONING
alter table t drop column trx_start, drop column trx_end;
call verify_vtq;
call verify_trt;
No A B C D
alter table t drop system versioning, algorithm=copy;
call verify_vtq;
call verify_trt;
No A B C D
alter table t add system versioning, algorithm=copy;
call verify_vtq;
call verify_trt;
No A B C D
show create table t;
Table Create Table
@ -312,7 +312,7 @@ t CREATE TABLE `t` (
select * from t;
a b
2 NULL
call verify_vtq;
call verify_trt;
No A B C D
alter table t drop column b, algorithm=copy;
show create table t;
@ -324,7 +324,7 @@ select * from t for system_time all;
a
2
1
call verify_vtq;
call verify_trt;
No A B C D
alter table t drop system versioning, algorithm=copy;
show create table t;
@ -332,7 +332,7 @@ Table Create Table
t CREATE TABLE `t` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
call verify_vtq;
call verify_trt;
No A B C D
create or replace table t (a int);
insert t values (1),(2),(3),(4);

50
mysql-test/suite/versioning/r/commit_id.result
View File

@ -30,38 +30,38 @@ transaction_id = @tx2
1
set @ts3= now(6);
select
vtq_trx_id(@ts0) < @tx0 as A,
vtq_trx_id(@ts0, true) = @tx0 as B,
vtq_trx_id(@ts1) = @tx0 as C,
vtq_trx_id(@ts1, true) = @tx1 as D,
vtq_trx_id(@ts2) = @tx1 as E,
vtq_trx_id(@ts2, true) = @tx2 as F,
vtq_trx_id(@ts3) = @tx2 as G,
vtq_trx_id(@ts3, true) is null as H;
trt_trx_id(@ts0) < @tx0 as A,
trt_trx_id(@ts0, true) = @tx0 as B,
trt_trx_id(@ts1) = @tx0 as C,
trt_trx_id(@ts1, true) = @tx1 as D,
trt_trx_id(@ts2) = @tx1 as E,
trt_trx_id(@ts2, true) = @tx2 as F,
trt_trx_id(@ts3) = @tx2 as G,
trt_trx_id(@ts3, true) is null as H;
A B C D E F G H
1 1 1 1 1 1 1 1
select
vtq_commit_id(@ts0) < @tx0 as A,
vtq_commit_id(@ts0, true) = vtq_commit_id(null, @tx0) as B,
vtq_commit_id(@ts1) = vtq_commit_id(null, @tx0) as C,
vtq_commit_id(@ts1, true) = vtq_commit_id(null, @tx1) as D,
vtq_commit_id(@ts2) = vtq_commit_id(null, @tx1) as E,
vtq_commit_id(@ts2, true) = vtq_commit_id(null, @tx2) as F,
vtq_commit_id(@ts3) = vtq_commit_id(null, @tx2) as G,
vtq_commit_id(@ts3, true) is null as H;
trt_commit_id(@ts0) < @tx0 as A,
trt_commit_id(@ts0, true) = trt_commit_id(null, @tx0) as B,
trt_commit_id(@ts1) = trt_commit_id(null, @tx0) as C,
trt_commit_id(@ts1, true) = trt_commit_id(null, @tx1) as D,
trt_commit_id(@ts2) = trt_commit_id(null, @tx1) as E,
trt_commit_id(@ts2, true) = trt_commit_id(null, @tx2) as F,
trt_commit_id(@ts3) = trt_commit_id(null, @tx2) as G,
trt_commit_id(@ts3, true) is null as H;
A B C D E F G H
1 1 1 1 1 1 1 1
select
vtq_trx_sees(@tx1, @tx0) as A,
not vtq_trx_sees(@tx0, @tx1) as B,
vtq_trx_sees_eq(@tx1, @tx1) as C,
not vtq_trx_sees(@tx1, @tx1) as D,
vtq_trx_sees(@tx2, 0) as E,
vtq_trx_sees(-1, @tx2) as F;
trt_trx_sees(@tx1, @tx0) as A,
not trt_trx_sees(@tx0, @tx1) as B,
trt_trx_sees_eq(@tx1, @tx1) as C,
not trt_trx_sees(@tx1, @tx1) as D,
trt_trx_sees(@tx2, 0) as E,
trt_trx_sees(-1, @tx2) as F;
A B C D E F
1 1 1 1 1 1
select vtq_trx_sees(0, @tx2);
vtq_trx_sees(0, @tx2)
select trt_trx_sees(0, @tx2);
trt_trx_sees(0, @tx2)
NULL
set transaction isolation level read uncommitted;
insert into t1 values ();
@ -88,7 +88,7 @@ select isolation_level = 'REPEATABLE-READ' from mysql.transaction_registry where
isolation_level = 'REPEATABLE-READ'
1
drop table t1;
call verify_vtq;
call verify_trt;
No A B C D
1 1 1 1 1
2 1 1 1 1

2
mysql-test/suite/versioning/r/select.result
View File

@ -512,7 +512,7 @@ Warnings:
Note 1003 select `test`.`t1`.`f1` AS `f1` from `test`.`t1` FOR SYSTEM_TIME ALL join `test`.`t2` left join (`test`.`t3` left join `test`.`t4` FOR SYSTEM_TIME ALL on(`test`.`t4`.`f4` = `test`.`t2`.`f2` and `test`.`t4`.`row_end` = TIMESTAMP'2038-01-19 03:14:07.999999')) on(`test`.`t3`.`f3` = `test`.`t2`.`f2`) where `test`.`t1`.`row_end` = TIMESTAMP'2038-01-19 03:14:07.999999'
drop view v1;
drop table t1, t2, t3, t4;
call verify_vtq_dummy(34);
call verify_trt_dummy(34);
No A B C D
1 1 1 1 1
2 1 1 1 1

2
mysql-test/suite/versioning/r/select2,trx_id.rdiff
View File

@ -5,7 +5,7 @@
insert into t1(x, y) values(3, 33);
select sys_start from t1 where x = 3 and y = 33 into @t1;
+set @x1= @t1;
+select vtq_commit_ts(@x1) into @t1;
+select trt_commit_ts(@x1) into @t1;
select x, y from t1;
x y
0 100

26
mysql-test/suite/versioning/t/alter.test
View File

@ -172,23 +172,23 @@ alter table t drop system versioning;
insert into t values(1);
call verify_vtq;
call verify_trt;
alter table t
add column trx_start bigint(20) unsigned as row start invisible,
add column trx_end bigint(20) unsigned as row end invisible,
add period for system_time(trx_start, trx_end),
add system versioning;
call verify_vtq;
call verify_trt;
show create table t;
alter table t drop column trx_start, drop column trx_end;
call verify_vtq;
call verify_trt;
alter table t drop system versioning, algorithm=copy;
call verify_vtq;
call verify_trt;
alter table t add system versioning, algorithm=copy;
call verify_vtq;
call verify_trt;
show create table t;
@ -198,31 +198,31 @@ select * from t for system_time all;
alter table t add column b int, algorithm=copy;
show create table t;
select * from t;
call verify_vtq;
call verify_trt;
alter table t drop column b, algorithm=copy;
show create table t;
select * from t for system_time all;
call verify_vtq;
call verify_trt;
## FIXME: #414 IB: inplace for VERS_TIMESTAMP versioning
if (0)
{
alter table t drop system versioning, algorithm=inplace;
call verify_vtq;
call verify_trt;
alter table t add system versioning, algorithm=inplace;
call verify_vtq;
call verify_trt;
show create table t;
update t set a= 1;
select * from t for system_time all;
call verify_vtq;
call verify_trt;
alter table t add column b int, algorithm=inplace;
show create table t;
select * from t;
call verify_vtq;
call verify_trt;
alter table t drop column b, algorithm=inplace;
show create table t;
@ -232,7 +232,7 @@ select * from t for system_time all;
alter table t drop system versioning, algorithm=copy;
show create table t;
call verify_vtq;
call verify_trt;
# nullable autoinc test w/o versioning
create or replace table t (a int);
@ -341,7 +341,7 @@ select * from t;
show create table t;
call verify_vtq;
call verify_trt;
}
create or replace table t (a int) with system versioning;

52
mysql-test/suite/versioning/t/commit_id.test
View File

@ -10,7 +10,7 @@ with system versioning
engine innodb;
# VTQ_TRX_ID, VTQ_COMMIT_ID, VTQ_TRX_SEES #
# TRT_TRX_ID, TRT_COMMIT_ID, TRT_TRX_SEES #
insert into t1 values ();
@ -36,36 +36,36 @@ order by transaction_id desc limit 1;
set @ts3= now(6);
select
vtq_trx_id(@ts0) < @tx0 as A,
vtq_trx_id(@ts0, true) = @tx0 as B,
vtq_trx_id(@ts1) = @tx0 as C,
vtq_trx_id(@ts1, true) = @tx1 as D,
vtq_trx_id(@ts2) = @tx1 as E,
vtq_trx_id(@ts2, true) = @tx2 as F,
vtq_trx_id(@ts3) = @tx2 as G,
vtq_trx_id(@ts3, true) is null as H;
trt_trx_id(@ts0) < @tx0 as A,
trt_trx_id(@ts0, true) = @tx0 as B,
trt_trx_id(@ts1) = @tx0 as C,
trt_trx_id(@ts1, true) = @tx1 as D,
trt_trx_id(@ts2) = @tx1 as E,
trt_trx_id(@ts2, true) = @tx2 as F,
trt_trx_id(@ts3) = @tx2 as G,
trt_trx_id(@ts3, true) is null as H;
select
vtq_commit_id(@ts0) < @tx0 as A,
vtq_commit_id(@ts0, true) = vtq_commit_id(null, @tx0) as B,
vtq_commit_id(@ts1) = vtq_commit_id(null, @tx0) as C,
vtq_commit_id(@ts1, true) = vtq_commit_id(null, @tx1) as D,
vtq_commit_id(@ts2) = vtq_commit_id(null, @tx1) as E,
vtq_commit_id(@ts2, true) = vtq_commit_id(null, @tx2) as F,
vtq_commit_id(@ts3) = vtq_commit_id(null, @tx2) as G,
vtq_commit_id(@ts3, true) is null as H;
trt_commit_id(@ts0) < @tx0 as A,
trt_commit_id(@ts0, true) = trt_commit_id(null, @tx0) as B,
trt_commit_id(@ts1) = trt_commit_id(null, @tx0) as C,
trt_commit_id(@ts1, true) = trt_commit_id(null, @tx1) as D,
trt_commit_id(@ts2) = trt_commit_id(null, @tx1) as E,
trt_commit_id(@ts2, true) = trt_commit_id(null, @tx2) as F,
trt_commit_id(@ts3) = trt_commit_id(null, @tx2) as G,
trt_commit_id(@ts3, true) is null as H;
select
vtq_trx_sees(@tx1, @tx0) as A,
not vtq_trx_sees(@tx0, @tx1) as B,
vtq_trx_sees_eq(@tx1, @tx1) as C,
not vtq_trx_sees(@tx1, @tx1) as D,
vtq_trx_sees(@tx2, 0) as E,
vtq_trx_sees(-1, @tx2) as F;
trt_trx_sees(@tx1, @tx0) as A,
not trt_trx_sees(@tx0, @tx1) as B,
trt_trx_sees_eq(@tx1, @tx1) as C,
not trt_trx_sees(@tx1, @tx1) as D,
trt_trx_sees(@tx2, 0) as E,
trt_trx_sees(-1, @tx2) as F;
select vtq_trx_sees(0, @tx2);
select trt_trx_sees(0, @tx2);
# VTQ_ISO_LEVEL #
# TRT_ISO_LEVEL #
set transaction isolation level read uncommitted;
insert into t1 values ();
@ -89,6 +89,6 @@ select isolation_level = 'REPEATABLE-READ' from mysql.transaction_registry where
drop table t1;
call verify_vtq;
call verify_trt;
-- source suite/versioning/common_finish.inc

2
mysql-test/suite/versioning/t/insert2.test
View File

@ -1,6 +1,6 @@
--source include/have_innodb.inc
# VTQ test
# TRT test
create table t1(
x int unsigned,

4
mysql-test/suite/versioning/t/select.test
View File

@ -41,7 +41,7 @@ if ($MTR_COMBINATION_TRX_ID)
{
--disable_query_log
set @x1= @t1;
select vtq_commit_ts(@x1) into @t1;
select trt_commit_ts(@x1) into @t1;
--enable_query_log
}
@ -326,6 +326,6 @@ select f1 from t1 join t2 left join t3 left join t4 on f3 = f4 on f3 = f2;
drop view v1;
drop table t1, t2, t3, t4;
call verify_vtq_dummy(34);
call verify_trt_dummy(34);
-- source suite/versioning/common_finish.inc

2
mysql-test/suite/versioning/t/select2.test
View File

@ -31,7 +31,7 @@ insert into t1(x, y) values(3, 33);
select sys_start from t1 where x = 3 and y = 33 into @t1;
if($MTR_COMBINATION_TRX_ID) {
set @x1= @t1;
select vtq_commit_ts(@x1) into @t1;
select trt_commit_ts(@x1) into @t1;
}
select x, y from t1;

58
plugin/versioning/versioning.cc
View File

@ -24,26 +24,26 @@
#include "item.h"
#include "vers_utils.h"
/* System Versioning: VTQ_TRX_ID(), VTQ_COMMIT_ID(), VTQ_BEGIN_TS(), VTQ_COMMIT_TS(), VTQ_ISO_LEVEL() */
template <TR_table::field_id_t VTQ_FIELD>
class Create_func_vtq : public Create_native_func
/* System Versioning: TRT_TRX_ID(), TRT_COMMIT_ID(), TRT_BEGIN_TS(), TRT_COMMIT_TS(), TRT_ISO_LEVEL() */
template <TR_table::field_id_t TRT_FIELD>
class Create_func_trt : public Create_native_func
{
public:
virtual Item *create_native(THD *thd, LEX_CSTRING *name, List<Item> *item_list);
static Create_func_vtq<VTQ_FIELD> s_singleton;
static Create_func_trt<TRT_FIELD> s_singleton;
protected:
Create_func_vtq<VTQ_FIELD>() {}
virtual ~Create_func_vtq<VTQ_FIELD>() {}
Create_func_trt<TRT_FIELD>() {}
virtual ~Create_func_trt<TRT_FIELD>() {}
};
template<TR_table::field_id_t VTQ_FIELD>
Create_func_vtq<VTQ_FIELD> Create_func_vtq<VTQ_FIELD>::s_singleton;
template<TR_table::field_id_t TRT_FIELD>
Create_func_trt<TRT_FIELD> Create_func_trt<TRT_FIELD>::s_singleton;
template <TR_table::field_id_t VTQ_FIELD>
template <TR_table::field_id_t TRT_FIELD>
Item*
Create_func_vtq<VTQ_FIELD>::create_native(THD *thd, LEX_CSTRING *name,
Create_func_trt<TRT_FIELD>::create_native(THD *thd, LEX_CSTRING *name,
List<Item> *item_list)
{
Item *func= NULL;
@ -56,16 +56,16 @@ Create_func_vtq<VTQ_FIELD>::create_native(THD *thd, LEX_CSTRING *name,
case 1:
{
Item *param_1= item_list->pop();
switch (VTQ_FIELD)
switch (TRT_FIELD)
{
case TR_table::FLD_BEGIN_TS:
case TR_table::FLD_COMMIT_TS:
func= new (thd->mem_root) Item_func_vtq_ts(thd, param_1, VTQ_FIELD);
func= new (thd->mem_root) Item_func_trt_ts(thd, param_1, TRT_FIELD);
break;
case TR_table::FLD_TRX_ID:
case TR_table::FLD_COMMIT_ID:
case TR_table::FLD_ISO_LEVEL:
func= new (thd->mem_root) Item_func_vtq_id(thd, param_1, VTQ_FIELD);
func= new (thd->mem_root) Item_func_trt_id(thd, param_1, TRT_FIELD);
break;
default:
DBUG_ASSERT(0);
@ -76,11 +76,11 @@ Create_func_vtq<VTQ_FIELD>::create_native(THD *thd, LEX_CSTRING *name,
{
Item *param_1= item_list->pop();
Item *param_2= item_list->pop();
switch (VTQ_FIELD)
switch (TRT_FIELD)
{
case TR_table::FLD_TRX_ID:
case TR_table::FLD_COMMIT_ID:
func= new (thd->mem_root) Item_func_vtq_id(thd, param_1, param_2, VTQ_FIELD);
func= new (thd->mem_root) Item_func_trt_id(thd, param_1, param_2, TRT_FIELD);
break;
default:
goto error;
@ -98,8 +98,8 @@ Create_func_vtq<VTQ_FIELD>::create_native(THD *thd, LEX_CSTRING *name,
return func;
};
template <class Item_func_vtq_trx_seesX>
class Create_func_vtq_trx_sees : public Create_native_func
template <class Item_func_trt_trx_seesX>
class Create_func_trt_trx_sees : public Create_native_func
{
public:
virtual Item *create_native(THD *thd, LEX_CSTRING *name, List<Item> *item_list)
@ -115,7 +115,7 @@ public:
{
Item *param_1= item_list->pop();
Item *param_2= item_list->pop();
func= new (thd->mem_root) Item_func_vtq_trx_seesX(thd, param_1, param_2);
func= new (thd->mem_root) Item_func_trt_trx_seesX(thd, param_1, param_2);
break;
}
default:
@ -126,27 +126,27 @@ public:
return func;
}
static Create_func_vtq_trx_sees<Item_func_vtq_trx_seesX> s_singleton;
static Create_func_trt_trx_sees<Item_func_trt_trx_seesX> s_singleton;
protected:
Create_func_vtq_trx_sees<Item_func_vtq_trx_seesX>() {}
virtual ~Create_func_vtq_trx_sees<Item_func_vtq_trx_seesX>() {}
Create_func_trt_trx_sees<Item_func_trt_trx_seesX>() {}
virtual ~Create_func_trt_trx_sees<Item_func_trt_trx_seesX>() {}
};
template<class X>
Create_func_vtq_trx_sees<X> Create_func_vtq_trx_sees<X>::s_singleton;
Create_func_trt_trx_sees<X> Create_func_trt_trx_sees<X>::s_singleton;
#define BUILDER(F) & F::s_singleton
static Native_func_registry func_array[] =
{
{ { C_STRING_WITH_LEN("VTQ_BEGIN_TS") }, BUILDER(Create_func_vtq<TR_table::FLD_BEGIN_TS>)},
{ { C_STRING_WITH_LEN("VTQ_COMMIT_ID") }, BUILDER(Create_func_vtq<TR_table::FLD_COMMIT_ID>)},
{ { C_STRING_WITH_LEN("VTQ_COMMIT_TS") }, BUILDER(Create_func_vtq<TR_table::FLD_COMMIT_TS>)},
{ { C_STRING_WITH_LEN("VTQ_ISO_LEVEL") }, BUILDER(Create_func_vtq<TR_table::FLD_ISO_LEVEL>)},
{ { C_STRING_WITH_LEN("VTQ_TRX_ID") }, BUILDER(Create_func_vtq<TR_table::FLD_TRX_ID>)},
{ { C_STRING_WITH_LEN("VTQ_TRX_SEES") }, BUILDER(Create_func_vtq_trx_sees<Item_func_vtq_trx_sees>)},
{ { C_STRING_WITH_LEN("VTQ_TRX_SEES_EQ") }, BUILDER(Create_func_vtq_trx_sees<Item_func_vtq_trx_sees_eq>)},
{ { C_STRING_WITH_LEN("TRT_BEGIN_TS") }, BUILDER(Create_func_trt<TR_table::FLD_BEGIN_TS>)},
{ { C_STRING_WITH_LEN("TRT_COMMIT_ID") }, BUILDER(Create_func_trt<TR_table::FLD_COMMIT_ID>)},
{ { C_STRING_WITH_LEN("TRT_COMMIT_TS") }, BUILDER(Create_func_trt<TR_table::FLD_COMMIT_TS>)},
{ { C_STRING_WITH_LEN("TRT_ISO_LEVEL") }, BUILDER(Create_func_trt<TR_table::FLD_ISO_LEVEL>)},
{ { C_STRING_WITH_LEN("TRT_TRX_ID") }, BUILDER(Create_func_trt<TR_table::FLD_TRX_ID>)},
{ { C_STRING_WITH_LEN("TRT_TRX_SEES") }, BUILDER(Create_func_trt_trx_sees<Item_func_trt_trx_sees>)},
{ { C_STRING_WITH_LEN("TRT_TRX_SEES_EQ") }, BUILDER(Create_func_trt_trx_sees<Item_func_trt_trx_sees_eq>)},
{ {0, 0}, NULL}
};

32
sql/item_vers.cc
View File

@ -26,9 +26,9 @@
#include "tztime.h"
#include "item.h"
Item_func_vtq_ts::Item_func_vtq_ts(THD *thd, Item* a, TR_table::field_id_t _vtq_field) :
Item_func_trt_ts::Item_func_trt_ts(THD *thd, Item* a, TR_table::field_id_t _trt_field) :
Item_datetimefunc(thd, a),
vtq_field(_vtq_field)
trt_field(_trt_field)
{
decimals= 6;
null_value= true;
@ -37,7 +37,7 @@ Item_func_vtq_ts::Item_func_vtq_ts(THD *thd, Item* a, TR_table::field_id_t _vtq_
bool
Item_func_vtq_ts::get_date(MYSQL_TIME *res, ulonglong fuzzy_date)
Item_func_trt_ts::get_date(MYSQL_TIME *res, ulonglong fuzzy_date)
{
THD *thd= current_thd; // can it differ from constructor's?
DBUG_ASSERT(thd);
@ -67,14 +67,14 @@ Item_func_vtq_ts::get_date(MYSQL_TIME *res, ulonglong fuzzy_date)
return true;
}
return trt[vtq_field]->get_date(res, fuzzy_date);
return trt[trt_field]->get_date(res, fuzzy_date);
}
Item_func_vtq_id::Item_func_vtq_id(THD *thd, Item* a, TR_table::field_id_t _vtq_field,
Item_func_trt_id::Item_func_trt_id(THD *thd, Item* a, TR_table::field_id_t _trt_field,
bool _backwards) :
Item_longlong_func(thd, a),
vtq_field(_vtq_field),
trt_field(_trt_field),
backwards(_backwards)
{
decimals= 0;
@ -83,9 +83,9 @@ Item_func_vtq_id::Item_func_vtq_id(THD *thd, Item* a, TR_table::field_id_t _vtq_
DBUG_ASSERT(arg_count == 1 && args[0]);
}
Item_func_vtq_id::Item_func_vtq_id(THD *thd, Item* a, Item* b, TR_table::field_id_t _vtq_field) :
Item_func_trt_id::Item_func_trt_id(THD *thd, Item* a, Item* b, TR_table::field_id_t _trt_field) :
Item_longlong_func(thd, a, b),
vtq_field(_vtq_field),
trt_field(_trt_field),
backwards(false)
{
decimals= 0;
@ -95,7 +95,7 @@ Item_func_vtq_id::Item_func_vtq_id(THD *thd, Item* a, Item* b, TR_table::field_i
}
longlong
Item_func_vtq_id::get_by_trx_id(ulonglong trx_id)
Item_func_trt_id::get_by_trx_id(ulonglong trx_id)
{
THD *thd= current_thd;
DBUG_ASSERT(thd);
@ -111,11 +111,11 @@ Item_func_vtq_id::get_by_trx_id(ulonglong trx_id)
if (null_value)
return 0;
return trt[vtq_field]->val_int();
return trt[trt_field]->val_int();
}
longlong
Item_func_vtq_id::get_by_commit_ts(MYSQL_TIME &commit_ts, bool backwards)
Item_func_trt_id::get_by_commit_ts(MYSQL_TIME &commit_ts, bool backwards)
{
THD *thd= current_thd;
DBUG_ASSERT(thd);
@ -125,15 +125,15 @@ Item_func_vtq_id::get_by_commit_ts(MYSQL_TIME &commit_ts, bool backwards)
if (null_value)
return 0;
return trt[vtq_field]->val_int();
return trt[trt_field]->val_int();
}
longlong
Item_func_vtq_id::val_int()
Item_func_trt_id::val_int()
{
if (args[0]->is_null())
{
if (arg_count < 2 || vtq_field == TR_table::FLD_TRX_ID)
if (arg_count < 2 || trt_field == TR_table::FLD_TRX_ID)
{
null_value= true;
return 0;
@ -157,7 +157,7 @@ Item_func_vtq_id::val_int()
}
}
Item_func_vtq_trx_sees::Item_func_vtq_trx_sees(THD *thd, Item* a, Item* b) :
Item_func_trt_trx_sees::Item_func_trt_trx_sees(THD *thd, Item* a, Item* b) :
Item_bool_func(thd, a, b),
accept_eq(false)
{
@ -166,7 +166,7 @@ Item_func_vtq_trx_sees::Item_func_vtq_trx_sees(THD *thd, Item* a, Item* b) :
}
longlong
Item_func_vtq_trx_sees::val_int()
Item_func_trt_trx_sees::val_int()
{
THD *thd= current_thd;
DBUG_ASSERT(thd);

50
sql/item_vers.h
View File

@ -22,47 +22,47 @@
#pragma interface /* gcc class implementation */
#endif
class Item_func_vtq_ts: public Item_datetimefunc
class Item_func_trt_ts: public Item_datetimefunc
{
TR_table::field_id_t vtq_field;
TR_table::field_id_t trt_field;
public:
Item_func_vtq_ts(THD *thd, Item* a, TR_table::field_id_t _vtq_field);
Item_func_trt_ts(THD *thd, Item* a, TR_table::field_id_t _trt_field);
const char *func_name() const
{
if (vtq_field == TR_table::FLD_BEGIN_TS)
if (trt_field == TR_table::FLD_BEGIN_TS)
{
return "vtq_begin_ts";
return "trt_begin_ts";
}
return "vtq_commit_ts";
return "trt_commit_ts";
}
bool get_date(MYSQL_TIME *res, ulonglong fuzzy_date);
Item *get_copy(THD *thd)
{ return get_item_copy<Item_func_vtq_ts>(thd, this); }
{ return get_item_copy<Item_func_trt_ts>(thd, this); }
void fix_length_and_dec() { fix_attributes_datetime(decimals); }
};
class Item_func_vtq_id : public Item_longlong_func
class Item_func_trt_id : public Item_longlong_func
{
TR_table::field_id_t vtq_field;
TR_table::field_id_t trt_field;
bool backwards;
longlong get_by_trx_id(ulonglong trx_id);
longlong get_by_commit_ts(MYSQL_TIME &commit_ts, bool backwards);
public:
Item_func_vtq_id(THD *thd, Item* a, TR_table::field_id_t _vtq_field, bool _backwards= false);
Item_func_vtq_id(THD *thd, Item* a, Item* b, TR_table::field_id_t _vtq_field);
Item_func_trt_id(THD *thd, Item* a, TR_table::field_id_t _trt_field, bool _backwards= false);
Item_func_trt_id(THD *thd, Item* a, Item* b, TR_table::field_id_t _trt_field);
const char *func_name() const
{
switch (vtq_field)
switch (trt_field)
{
case TR_table::FLD_TRX_ID:
return "vtq_trx_id";
return "trt_trx_id";
case TR_table::FLD_COMMIT_ID:
return "vtq_commit_id";
return "trt_commit_id";
case TR_table::FLD_ISO_LEVEL:
return "vtq_iso_level";
return "trt_iso_level";
default:
DBUG_ASSERT(0);
}
@ -77,37 +77,37 @@ public:
longlong val_int();
Item *get_copy(THD *thd)
{ return get_item_copy<Item_func_vtq_id>(thd, this); }
{ return get_item_copy<Item_func_trt_id>(thd, this); }
};
class Item_func_vtq_trx_sees : public Item_bool_func
class Item_func_trt_trx_sees : public Item_bool_func
{
protected:
bool accept_eq;
public:
Item_func_vtq_trx_sees(THD *thd, Item* a, Item* b);
Item_func_trt_trx_sees(THD *thd, Item* a, Item* b);
const char *func_name() const
{
return "vtq_trx_sees";
return "trt_trx_sees";
}
longlong val_int();
Item *get_copy(THD *thd)
{ return get_item_copy<Item_func_vtq_trx_sees>(thd, this); }
{ return get_item_copy<Item_func_trt_trx_sees>(thd, this); }
};
class Item_func_vtq_trx_sees_eq :
public Item_func_vtq_trx_sees
class Item_func_trt_trx_sees_eq :
public Item_func_trt_trx_sees
{
public:
Item_func_vtq_trx_sees_eq(THD *thd, Item* a, Item* b) :
Item_func_vtq_trx_sees(thd, a, b)
Item_func_trt_trx_sees_eq(THD *thd, Item* a, Item* b) :
Item_func_trt_trx_sees(thd, a, b)
{
accept_eq= true;
}
const char *func_name() const
{
return "vtq_trx_sees_eq";
return "trt_trx_sees_eq";
}
};

18
sql/sql_select.cc
View File

@ -901,27 +901,27 @@ int SELECT_LEX::vers_setup_conds(THD *thd, TABLE_LIST *tables)
break;
case SYSTEM_TIME_AS_OF:
trx_id0= vers_conditions.start.unit == VERS_TIMESTAMP
? newx Item_func_vtq_id(thd, vers_conditions.start.item, TR_table::FLD_TRX_ID)
? newx Item_func_trt_id(thd, vers_conditions.start.item, TR_table::FLD_TRX_ID)
: vers_conditions.start.item;
cond1= newx Item_func_vtq_trx_sees_eq(thd, trx_id0, row_start);
cond2= newx Item_func_vtq_trx_sees(thd, row_end, trx_id0);
cond1= newx Item_func_trt_trx_sees_eq(thd, trx_id0, row_start);
cond2= newx Item_func_trt_trx_sees(thd, row_end, trx_id0);
break;
case SYSTEM_TIME_FROM_TO:
case SYSTEM_TIME_BETWEEN:
trx_id0= vers_conditions.start.unit == VERS_TIMESTAMP
? newx Item_func_vtq_id(thd, vers_conditions.start.item, TR_table::FLD_TRX_ID, true)
? newx Item_func_trt_id(thd, vers_conditions.start.item, TR_table::FLD_TRX_ID, true)
: vers_conditions.start.item;
trx_id1= vers_conditions.end.unit == VERS_TIMESTAMP
? newx Item_func_vtq_id(thd, vers_conditions.end.item, TR_table::FLD_TRX_ID, false)
? newx Item_func_trt_id(thd, vers_conditions.end.item, TR_table::FLD_TRX_ID, false)
: vers_conditions.end.item;
cond1= vers_conditions.type == SYSTEM_TIME_FROM_TO
? newx Item_func_vtq_trx_sees(thd, trx_id1, row_start)
: newx Item_func_vtq_trx_sees_eq(thd, trx_id1, row_start);
cond2= newx Item_func_vtq_trx_sees_eq(thd, row_end, trx_id0);
? newx Item_func_trt_trx_sees(thd, trx_id1, row_start)
: newx Item_func_trt_trx_sees_eq(thd, trx_id1, row_start);
cond2= newx Item_func_trt_trx_sees_eq(thd, row_end, trx_id0);
break;
case SYSTEM_TIME_BEFORE:
trx_id0= vers_conditions.start.unit == VERS_TIMESTAMP
? newx Item_func_vtq_id(thd, vers_conditions.start.item, TR_table::FLD_TRX_ID)
? newx Item_func_trt_id(thd, vers_conditions.start.item, TR_table::FLD_TRX_ID)
: vers_conditions.start.item;
cond1= newx Item_func_lt(thd, row_end, trx_id0);
break;