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SQL: compare TRX_ID fields against timestamps [closes #231]
This commit is contained in:
Aleksey Midenkov
@@ -60,21 +60,10 @@ select * from tmp;
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drop table tmp;
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end if;
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end~~
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create procedure test_01()
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begin
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declare engine varchar(255) default default_engine();
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declare sys_type varchar(255) default sys_datatype();
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declare fields varchar(255) default sys_commit_ts('sys_start');
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set @str= concat('
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create table t1(
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x int unsigned,
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y int unsigned,
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sys_start ', sys_type, ' generated always as row start,
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sys_end ', sys_type, ' generated always as row end,
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period for system_time (sys_start, sys_end))
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with system versioning
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engine ', engine);
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prepare stmt from @str; execute stmt; drop prepare stmt;
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create or replace table t1 (
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x int unsigned,
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y int unsigned
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) with system versioning;
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insert into t1 (x, y) values
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(0, 100),
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(1, 101),
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@@ -87,74 +76,11 @@ insert into t1 (x, y) values
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(8, 108),
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(9, 109);
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set @t0= now(6);
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if engine = 'innodb' then
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select sys_start from t1 limit 1 into @x0;
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end if;
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delete from t1 where x = 3;
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delete from t1 where x > 7;
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insert into t1(x, y) values(3, 33);
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select sys_start from t1 where x = 3 and y = 33 into @t1;
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if engine = 'innodb' then
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set @x1= @t1;
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select vtq_commit_ts(@x1) into @t1;
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end if;
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select sys_trx_start from t1 where x = 3 and y = 33 into @t1;
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select x, y from t1;
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select x as ASOF_x, y from t1 for system_time as of timestamp @t0;
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select x as FROMTO_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
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select x as BETWAND_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;
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select x as FROMTO_ext_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
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select x as BETWAND_ext_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;
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select x as ALL_x, y from t1 for system_time all;
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if engine = 'innodb' then
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select x as ASOF2_x, y from t1 for system_time as of transaction @x0;
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select x as FROMTO2_x, y from t1 for system_time from transaction 0 to transaction @x1;
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select x as BETWAND2_x, y from t1 for system_time between transaction 0 and transaction @x1;
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select x as FROMTO2_ext_x, y from t1 for system_time transaction from 0 to @x1;
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select x as BETWAND2_ext_x, y from t1 for system_time transaction between 0 and @x1;
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else
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select x as ASOF2_x, y from t1 for system_time as of timestamp @t0;
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select x as FROMTO2_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
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select x as BETWAND2_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;
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select x as FROMTO2_ext_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
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select x as BETWAND2_ext_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;
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end if;
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drop table t1;
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end~~
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create or replace procedure test_02()
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begin
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declare engine varchar(255) default default_engine();
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declare sys_type varchar(255) default sys_datatype();
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declare fields varchar(255) default sys_commit_ts('sys_start');
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set @str0= concat('(
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x int,
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y int,
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sys_start ', sys_type, ' generated always as row start,
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sys_end ', sys_type, ' generated always as row end,
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period for system_time (sys_start, sys_end))
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with system versioning
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engine ', engine);
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set @str= concat('create or replace table t1', @str0);
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prepare stmt from @str; execute stmt; drop prepare stmt;
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set @str= concat('create or replace table t2', @str0);
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prepare stmt from @str; execute stmt; drop prepare stmt;
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insert into t1 values (1, 1), (1, 2), (1, 3), (4, 4), (5, 5);
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insert into t2 values (1, 2), (2, 1), (3, 1);
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set @t0= now(6);
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select t1.x as IJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 inner join t2 on t1.x = t2.x;
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select t1.x as LJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 left join t2 on t1.x = t2.x;
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select t1.x as RJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 right join t2 on t1.x = t2.x;
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delete from t1;
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delete from t2;
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select t1.x as IJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 inner join t2 on t1.x = t2.x
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system_time as of timestamp @t0;
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select t1.x as LJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 left join t2 on t1.x = t2.x
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system_time as of timestamp @t0;
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select t1.x as RJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 right join t2 on t1.x = t2.x
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system_time as of timestamp @t0;
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drop table t1;
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drop table t2;
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end~~
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call test_01();
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x y
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0 100
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1 101
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@@ -164,6 +90,7 @@ x y
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6 106
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7 107
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3 33
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select x as ASOF_x, y from t1 for system_time as of timestamp @t0;
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ASOF_x y
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0 100
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1 101
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@@ -175,6 +102,7 @@ ASOF_x y
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7 107
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8 108
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9 109
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select x as FROMTO_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
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FROMTO_x y
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0 100
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1 101
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@@ -186,6 +114,7 @@ FROMTO_x y
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7 107
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8 108
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9 109
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select x as BETWAND_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;
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BETWAND_x y
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0 100
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1 101
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@@ -198,6 +127,7 @@ BETWAND_x y
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8 108
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9 109
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3 33
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select x as FROMTO_ext_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
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FROMTO_ext_x y
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0 100
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1 101
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@@ -209,6 +139,7 @@ FROMTO_ext_x y
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7 107
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8 108
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9 109
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select x as BETWAND_ext_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;
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BETWAND_ext_x y
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0 100
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1 101
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@@ -221,6 +152,7 @@ BETWAND_ext_x y
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8 108
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9 109
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3 33
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select x as ALL_x, y from t1 for system_time all;
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ALL_x y
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0 100
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1 101
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@@ -290,39 +222,62 @@ BETWAND2_ext_x y
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8 108
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9 109
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3 33
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call test_02();
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create or replace table t1 (
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x int unsigned,
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y int unsigned
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) with system versioning;
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create or replace table t2 (
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x int unsigned,
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y int unsigned
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) with system versioning;
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insert into t1 values (1, 1), (1, 2), (1, 3), (4, 4), (5, 5);
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insert into t2 values (1, 2), (2, 1), (3, 1);
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set @t0= now(6);
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select t1.x as IJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 inner join t2 on t1.x = t2.x;
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IJ1_x1 y1 x2 y2
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1 1 1 2
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1 2 1 2
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1 3 1 2
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select t1.x as LJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 left join t2 on t1.x = t2.x;
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LJ1_x1 y1 x2 y2
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1 1 1 2
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1 2 1 2
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1 3 1 2
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4 4 NULL NULL
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5 5 NULL NULL
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select t1.x as RJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 right join t2 on t1.x = t2.x;
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RJ1_x1 y1 x2 y2
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1 1 1 2
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1 2 1 2
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1 3 1 2
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NULL NULL 2 1
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NULL NULL 3 1
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delete from t1;
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delete from t2;
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select t1.x as IJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 inner join t2 on t1.x = t2.x
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system_time as of timestamp @t0;
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IJ2_x1 y1 x2 y2
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1 1 1 2
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1 2 1 2
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1 3 1 2
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select t1.x as LJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 left join t2 on t1.x = t2.x
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system_time as of timestamp @t0;
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LJ2_x1 y1 x2 y2
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1 1 1 2
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1 2 1 2
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1 3 1 2
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4 4 NULL NULL
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5 5 NULL NULL
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select t1.x as RJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 right join t2 on t1.x = t2.x
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system_time as of timestamp @t0;
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RJ2_x1 y1 x2 y2
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1 1 1 2
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1 2 1 2
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1 3 1 2
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NULL NULL 2 1
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NULL NULL 3 1
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drop table t1;
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drop table t2;
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create table t1(
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A int
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) with system versioning;
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@@ -469,8 +424,6 @@ No A B C D
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25 1 1 1 1
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26 1 1 1 1
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27 1 1 1 1
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drop procedure test_01;
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drop procedure test_02;
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drop procedure verify_vtq;
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drop procedure innodb_verify_vtq;
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drop function default_engine;
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