mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 12:32:27 +01:00
347 lines
8.6 KiB
Text
347 lines
8.6 KiB
Text
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 as row start invisible,
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sys_end SYS_TYPE as row end invisible,
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period for system_time (sys_start, sys_end))
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with system versioning engine=ENGINE;
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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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(2, 102),
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(3, 103),
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(4, 104),
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(5, 105),
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(6, 106),
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(7, 107),
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(8, 108),
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(9, 109);
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set @t0= now(6);
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select sys_start from t1 limit 1 into @x0;
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Warnings:
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Warning 1287 '<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
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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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Warnings:
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Warning 1287 '<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
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select x, y from t1;
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x y
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0 100
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1 101
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2 102
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4 104
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5 105
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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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2 102
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3 103
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4 104
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5 105
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6 106
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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 '1970-01-01 00:00' 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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2 102
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3 103
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4 104
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5 105
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6 106
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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 '1970-01-01 00:00' 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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2 102
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3 103
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4 104
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5 105
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6 106
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7 107
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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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2 102
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3 103
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4 104
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5 105
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6 106
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7 107
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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 ASOF2_x, y from t1 for system_time as of @t0;
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ASOF2_x y
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0 100
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1 101
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2 102
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3 103
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4 104
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5 105
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6 106
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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 FROMTO2_x, y from t1 for system_time from '1970-01-01 00:00' to @t1;
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FROMTO2_x y
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0 100
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1 101
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2 102
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3 103
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4 104
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5 105
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6 106
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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 BETWAND2_x, y from t1 for system_time between '1970-01-01 00:00' and timestamp @t1;
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BETWAND2_x y
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0 100
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1 101
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2 102
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3 103
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4 104
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5 105
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6 106
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7 107
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8 108
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9 109
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3 33
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drop table t1;
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create table t1(
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x int,
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y int,
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sys_start SYS_TYPE as row start invisible,
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sys_end SYS_TYPE as row end invisible,
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period for system_time (sys_start, sys_end))
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with system versioning engine=ENGINE;
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create table t2 like t1;
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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 IJ2_x1,y1,x2,y2 from (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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for system_time as of timestamp @t0 as t;
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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 LJ2_x1,y1,x2,y2 from (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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for system_time as of timestamp @t0 as t;
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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 RJ2_x1,y1,x2,y2 from (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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for system_time as of timestamp @t0 as t;
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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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# MDEV-14686 Server crashes in Item_field::used_tables on 2nd call of SP [#422]
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create or replace table t1 (called int, bad int) with system versioning;
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create or replace procedure bad() select * from t1 where bad in (select called from t1);
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called bad
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called bad
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called bad
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called bad
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called bad
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called bad
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called bad
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called bad
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# bad() is good.
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# MDEV-14751 Server crashes in TABLE::versioned on 2nd execution of SP [#431]
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create or replace table t1 (called_bad int);
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create or replace table t2 (b int);
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create or replace procedure bad() select * from t1 where ( 5, 6 ) in ( select b, b from t2 ) and called_bad in ( select max(b) from t2 );
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called_bad
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called_bad
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called_bad
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called_bad
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called_bad
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called_bad
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called_bad
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called_bad
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# bad() is good.
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# MDEV-14786 Server crashes in Item_cond::transform on 2nd execution of SP querying from a view [#436]
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create or replace table t1 (called_bad int) with system versioning;
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create or replace view v1 as select called_bad from t1 where called_bad < 5;
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create or replace procedure bad() select called_bad from v1;
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called_bad
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called_bad
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called_bad
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called_bad
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called_bad
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called_bad
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called_bad
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called_bad
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# bad() is good.
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# wildcard expansion on hidden fields.
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create or replace table t1(
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A int
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) with system versioning;
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insert into t1 values(1);
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select * from t1;
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A
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1
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create or replace table t1 (x int);
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insert into t1 values (1);
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select * from t1 for system_time all;
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ERROR HY000: Table `t1` is not system-versioned
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create or replace table t1 (x int) with system versioning;
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insert into t1 values (1);
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select * from t1 for system_time as of now() for update;
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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create or replace table t1 (a int not null auto_increment primary key) with system versioning;
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select * from (t1 as t2 left join t1 as t3 using (a)) natural left join t1;
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a
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create or replace table t1 (a int) with system versioning;
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create or replace table t2 (a int) with system versioning;
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insert into t1 values(1);
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insert into t2 values(1);
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create or replace view v1 as select * from t2 inner join t1 using (a);
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select * from v1;
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a
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1
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drop view v1;
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create or replace table t1 (a int) with system versioning;
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insert into t1 values (1);
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create view vt1 as select a from t1;
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select * from t1 natural join vt1;
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a
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1
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drop view vt1;
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create or replace table t1(x int) with system versioning;
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select * from (t1 as r left join t1 as u using (x)), t1;
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x x
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create or replace table t1 (a int) with system versioning;
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insert into t1 values (1);
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create trigger read_end after update on t1
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for each row set @end = old.row_end;
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update t1 set a=2;
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select @end;
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@end
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MAX_RESULT
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create or replace table t1 (a int) with system versioning;
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create or replace table t2 (b int) with system versioning;
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insert into t1 values (1);
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insert into t2 values (2);
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select * from (select * from t1 cross join t2) as tmp;
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a b
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1 2
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select * from (select * from (select * from t1 cross join t2) as tmp1) as tmp2;
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a b
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1 2
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select * from (select * from t1 cross join t2 for system_time as of timestamp ('1970-01-01 00:00')) as tmp;
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a b
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create or replace table t1(a1 int) with system versioning;
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create or replace table t2(a2 int) with system versioning;
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insert into t1 values(1),(2);
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insert into t2 values(1),(2);
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select * from t1 for system_time all natural left join t2 for system_time all;
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a1 a2
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1 1
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2 1
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1 2
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2 2
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create or replace table t1(a1 int) with system versioning;
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create or replace table t2(a2 int) with system versioning;
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insert into t1 values(1),(2);
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insert into t2 values(1),(2);
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create or replace view v1 as select a1 from t1;
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select * from v1 natural join t2;
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a1 a2
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1 1
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2 1
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1 2
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2 2
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select * from v1 natural left join t2;
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a1 a2
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1 1
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2 1
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1 2
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2 2
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select * from v1 natural right join t2;
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a2 a1
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1 1
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2 1
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1 2
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2 2
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create or replace table t1 (a int) with system versioning;
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insert into t1 values (1);
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insert into t1 values (2);
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insert into t1 values (3);
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select * from t1 left outer join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
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a a
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2 1
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3 1
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2 2
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3 2
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2 3
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3 3
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1 NULL
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create or replace table t1 (x int) with system versioning;
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create or replace table t2 (y int) with system versioning;
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insert into t1 values (1), (2), (3);
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delete from t1 where x = 3;
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insert into t2 values (1);
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select * from t1, t2 for system_time all;
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x y
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1 1
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2 1
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select * from (select * from t1 for system_time all, t2 for system_time all) for system_time all as t;
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ERROR HY000: Table `t` is not system-versioned
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select * from (t1 for system_time all join t2 for system_time all) for system_time all;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'system_time all' at line 1
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# MDEV-16043 Assertion thd->Item_change_list::is_empty() failed in mysql_parse upon SELECT from a view reading from a versioned table
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create or replace table t1 (a int) with system versioning;
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create or replace view v1 as select * from t1;
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prepare stmt from "select * from t1 where exp( '20010609211642053929' )";
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execute stmt;
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ERROR 22003: DOUBLE value is out of range in 'exp('20010609211642053929')'
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select a from v1;
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a
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drop view v1;
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drop table t1, t2;
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