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dfdedd46e4
This patch extends the timestamp from 2038-01-19 03:14:07.999999 to 2106-02-07 06:28:15.999999 for 64 bit hardware and OS where 'long' is 64 bits. This is true for 64 bit Linux but not for Windows. This is done by treating the 32 bit stored int as unsigned instead of signed. This is safe as MariaDB has never accepted dates before the epoch (1970). The benefit of this approach that for normal timestamp the storage is compatible with earlier version. However for tables using system versioning we before stored a timestamp with the year 2038 as the 'max timestamp', which is used to detect current values. This patch stores the new 2106 year max value as the max timestamp. This means that old tables using system versioning needs to be updated with mariadb-upgrade when moving them to 11.4. That will be done in a separate commit.
319 lines
13 KiB
Text
319 lines
13 KiB
Text
create or replace table t1(
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x int unsigned,
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y int unsigned,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time (sys_start, sys_end))
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with system versioning;
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insert into t1(x, y) values(3, 4);
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insert into t1(x, y) values(2, 3);
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insert into t1 values(40, 33);
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select x, y, sys_end < MAXVAL from t1;
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x y sys_end < MAXVAL
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3 4 0
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2 3 0
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40 33 0
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create or replace table t1(
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id int unsigned auto_increment primary key,
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x int unsigned,
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y int unsigned,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time (sys_start, sys_end))
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with system versioning;
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insert into t1(x, y) values(33, 44);
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insert into t1(id, x, y) values(20, 33, 44);
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insert into t1 values(40, 33, 44);
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select id, x, y, sys_end < MAXVAL from t1;
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id x y sys_end < MAXVAL
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1 33 44 0
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20 33 44 0
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40 33 44 0
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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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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time (sys_start, sys_end))
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with system versioning;
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create view vt1_1 as select x, y from t1;
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insert into t1(x, y) values(8001, 9001);
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insert into vt1_1(x, y) values(1001, 2001);
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insert into vt1_1 values(1002, 2002);
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select x, y, sys_end < MAXVAL from t1;
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x y sys_end < MAXVAL
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8001 9001 0
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1001 2001 0
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1002 2002 0
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select x, y from vt1_1;
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x y
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8001 9001
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1001 2001
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1002 2002
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drop view vt1_1;
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create or replace table t1( id bigint primary key, a int, b int) with system versioning;
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insert into t1 values(1, 1, 1);
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select row_start, row_end from t1 into @sys_start, @sys_end;
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select id, a, b from t1;
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id a b
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1 1 1
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insert into t1 values(2, 2, 2);
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select id, a, b, row_start > @sys_start as C, row_end = @sys_end as D from t1 where id = 2;
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id a b C D
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2 2 2 1 1
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drop table t1;
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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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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time (sys_start, sys_end))
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with system versioning;
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create or replace table t2 like t1;
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insert into t1(x, y) values (1, 1000), (2, 2000), (3, 3000), (4, 4000), (5, 5000), (6, 6000), (7, 7000), (8, 8000), (9, 9000);
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delete from t1 where x >= 1;
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insert into t1(x, y) values (1, 1001), (2, 2001), (3, 3001), (4, 4001), (5, 5001), (6, 6001);
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insert into t1(x, y, sys_start) values (7, 7001, DEFAULT);
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insert into t1(x, y, sys_end) values (8, 8001, DEFAULT);
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insert into t1(x, y, sys_start, sys_end) values (9, 9001, DEFAULT, DEFAULT);
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insert into t2 select x, y from t1 for system_time all;
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select x, y from t1;
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x y
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1 1001
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2 2001
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3 3001
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4 4001
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5 5001
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6 6001
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7 7001
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8 8001
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9 9001
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select x, y from t2;
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x y
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1 1000
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2 2000
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3 3000
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4 4000
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5 5000
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6 6000
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7 7000
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8 8000
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9 9000
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1 1001
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2 2001
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3 3001
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4 4001
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5 5001
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6 6001
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7 7001
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8 8001
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9 9001
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drop table t1;
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drop table t2;
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#
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# MDEV-16546 System versioning setting to allow history modification
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#
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set @@session.time_zone='+00:00';
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create table t1(x int primary key) with system versioning;
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create table t2(y int primary key,
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row_start timestamp(6) as row start invisible,
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row_end timestamp(6) as row end invisible,
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period for system_time (row_start, row_end))
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with system versioning;
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create table t3(z int primary key,
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row_start timestamp(6) as row start,
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row_end timestamp(6) as row end,
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period for system_time (row_start, row_end))
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with system versioning;
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insert into t1(x, row_start, row_end) values (2, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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ERROR 42S22: Unknown column 'row_start' in 'field list'
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insert into t2(y, row_start, row_end) values (2, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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ERROR HY000: The value specified for generated column 'row_start' in table 't2' has been ignored
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set @@system_versioning_insert_history= 1;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`x` int(11) NOT NULL,
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PRIMARY KEY (`x`)
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) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci WITH SYSTEM VERSIONING
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insert into t1(x, row_start, row_end) values (3, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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insert into t2(y, row_start, row_end) values (4, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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insert into t3 values (5, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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insert into t3 values (5, '1980-01-02 00:00:00', '1980-01-01 00:00:01');
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ERROR HY000: Incorrect system-version range 'row_start' value: '1980-01-02 00:00:00.000000' and 'row_end' value: '1980-01-01 00:00:01.000000'
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select x, row_start, row_end from t1 for system_time all;
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x row_start row_end
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3 1980-01-01 00:00:00.000000 1980-01-01 00:00:01.000000
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select y, row_start, row_end from t2 for system_time all;
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y row_start row_end
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4 1980-01-01 00:00:00.000000 1980-01-01 00:00:01.000000
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select z, row_start, row_end from t3 for system_time all;
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z row_start row_end
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5 1980-01-01 00:00:00.000000 1980-01-01 00:00:01.000000
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insert into t1(x) values (1);
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insert into t2(y) values (1);
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update t1 set x= x + 1;
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update t1 set row_start= '1971-01-01 00:00:00';
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ERROR 42S22: Unknown column 'row_start' in 'field list'
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update t2 set row_start= '1971-01-01 00:00:00';
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ERROR HY000: The value specified for generated column 'row_start' in table 't2' has been ignored
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insert t1 (x) values (2) on duplicate key update x= 3, row_end= '1970-01-01 00:00:00';
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ERROR 42S22: Unknown column 'row_end' in 'field list'
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insert t2 (y) values (1) on duplicate key update y= 3, row_end= '1970-01-01 00:00:00';
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ERROR HY000: The value specified for generated column 'row_end' in table 't2' has been ignored
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insert t2 (y,row_end) values (1, '1970-01-01 00:00:00') on duplicate key update y= 3;
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ERROR HY000: The value specified for generated column 'row_end' in table 't2' has been ignored
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insert into t1 values (4);
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insert into t1 set x= 5, row_start= '1980-01-01 00:00:00', row_end= '1980-01-01 00:00:01';
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insert into t1(x, row_start, row_end) values (6, '1980-01-01 00:00:01', '1980-01-01 00:00:00');
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ERROR HY000: Incorrect system-version range 'row_start' value: '1980-01-01 00:00:01.000000' and 'row_end' value: '1980-01-01 00:00:00.000000'
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insert into t1(x, row_start, row_end) values (7, '1980-01-01 00:00:11', '1980-01-01 00:00:11');
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ERROR HY000: Incorrect system-version range 'row_start' value: '1980-01-01 00:00:11.000000' and 'row_end' value: '1980-01-01 00:00:11.000000'
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insert into t1(x, row_start) values (8, '1980-01-01 00:00:22');
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insert into t1(x, row_end) values (9, '1980-01-01 00:00:33');
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ERROR HY000: Incorrect system-version range 'row_start' value: 'now'
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insert into t1(x, row_end) values (10, MAX_TIMESTAMP);
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select x, check_row_ts(row_start, row_end) from t1 for system_time all order by x;
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x check_row_ts(row_start, row_end)
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1 HISTORICAL ROW
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2 CURRENT ROW
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3 HISTORICAL ROW
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4 CURRENT ROW
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5 HISTORICAL ROW
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8 CURRENT ROW
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10 CURRENT ROW
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select x, row_start, row_end from t1 for system_time all
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where x > 1 and row_end < MAX_TIMESTAMP order by x, row_start, row_end;
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x row_start row_end
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3 1980-01-01 00:00:00.000000 1980-01-01 00:00:01.000000
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5 1980-01-01 00:00:00.000000 1980-01-01 00:00:01.000000
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# Direct insert is not possible for TRX_ID versioning
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create or replace table t2(y int primary key,
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row_start bigint unsigned as row start,
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row_end bigint unsigned as row end,
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period for system_time (row_start, row_end))
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with system versioning engine innodb;
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insert into t2(y, row_start, row_end) values (0, 1, 2);
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ERROR HY000: The value specified for generated column 'row_start' in table 't2' has been ignored
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set @@system_versioning_insert_history= 0;
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## INSERT..SELECT
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create or replace table t2 like t1;
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set @@system_versioning_insert_history= 1;
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insert into t2 (x, row_start, row_end) select x, row_start, row_end from t1 for system_time all;
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select x, check_row_ts(row_start, row_end) from t2 for system_time all order by x;
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x check_row_ts(row_start, row_end)
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1 HISTORICAL ROW
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2 CURRENT ROW
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3 HISTORICAL ROW
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4 CURRENT ROW
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5 HISTORICAL ROW
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8 CURRENT ROW
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10 CURRENT ROW
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select x, row_start, row_end from t2 for system_time all
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where x > 1 and row_end < MAX_TIMESTAMP order by x, row_start, row_end;
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x row_start row_end
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3 1980-01-01 00:00:00.000000 1980-01-01 00:00:01.000000
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5 1980-01-01 00:00:00.000000 1980-01-01 00:00:01.000000
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set @@system_versioning_insert_history= 0;
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# REPLACE / REPLACE .. SELECT
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create or replace table t2(a int primary key,
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row_start timestamp(6) as row start invisible,
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row_end timestamp(6) as row end invisible,
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period for system_time (row_start, row_end))
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with system versioning;
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replace into t2 (a, row_start, row_end) values (1, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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ERROR HY000: The value specified for generated column 'row_start' in table 't2' has been ignored
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replace into t2 (a, row_start, row_end) select x, row_start, row_end from t1;
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ERROR HY000: The value specified for generated column 'row_start' in table 't2' has been ignored
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create or replace table t2 (a int primary key) with system versioning;
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replace into t2 (a, row_start, row_end) values (1, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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ERROR 42S22: Unknown column 'row_start' in 'field list'
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replace into t2 (a, row_start, row_end) select x, row_start, row_end from t1;
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ERROR 42S22: Unknown column 'row_start' in 'field list'
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set @@system_versioning_insert_history= 1;
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# REPLACE ignores system_versioning_insert_history
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replace into t2 (a, row_end) values (0, '1980-01-01 00:00:00');
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ERROR 42S22: Unknown column 'row_end' in 'field list'
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replace into t3 (z, row_start) values (0, '1980-01-01 00:00:00');
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ERROR HY000: The value specified for generated column 'row_start' in table 't3' has been ignored
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replace into t3 values (0, '1980-01-01 00:00:00', '1981-01-01 00:00:00');
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ERROR HY000: The value specified for generated column 'row_start' in table 't3' has been ignored
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# LOAD DATA
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select x, row_start, row_end into outfile 'DATAFILE' from t1 for system_time all;
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create or replace table t2 like t1;
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`x` int(11) NOT NULL,
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PRIMARY KEY (`x`)
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) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci WITH SYSTEM VERSIONING
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set @@system_versioning_insert_history= 1;
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`x` int(11) NOT NULL,
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PRIMARY KEY (`x`)
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) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci WITH SYSTEM VERSIONING
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load data infile 'DATAFILE' into table t2 (x, row_start, row_end);
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select x, check_row_ts(row_start, row_end) from t2 for system_time all order by x;
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x check_row_ts(row_start, row_end)
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1 HISTORICAL ROW
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2 CURRENT ROW
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3 HISTORICAL ROW
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4 CURRENT ROW
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5 HISTORICAL ROW
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8 CURRENT ROW
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10 CURRENT ROW
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select row_start = '1980-01-01 00:00:00', row_end = '1980-01-01 00:00:01' from t2 for system_time all where x = 3;
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row_start = '1980-01-01 00:00:00' row_end = '1980-01-01 00:00:01'
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1 1
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# Honor secure_timestamp option
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# restart: --secure-timestamp=YES
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set @@system_versioning_insert_history= 1;
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insert into t3(z, row_start, row_end) values (8, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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ERROR HY000: The MariaDB server is running with the --secure-timestamp=YES option so it cannot execute this statement
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insert into t3 values (8, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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ERROR HY000: The MariaDB server is running with the --secure-timestamp=YES option so it cannot execute this statement
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# restart: --secure-timestamp=REPLICATION
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create user nobody;
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grant all privileges on test.* to nobody;
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set @@system_versioning_insert_history= 1;
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insert into test.t3(z, row_start, row_end) values (9, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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ERROR 42000: Access denied; you need (at least one of) the BINLOG REPLAY privilege(s) for this operation
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insert into test.t3 values (9, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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ERROR 42000: Access denied; you need (at least one of) the BINLOG REPLAY privilege(s) for this operation
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# restart: --secure-timestamp=SUPER
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set @@system_versioning_insert_history= 1;
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insert into test.t3(z, row_start, row_end) values (10, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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set @@system_versioning_insert_history= 1;
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insert into test.t3(z, row_start, row_end) values (7, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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ERROR 42000: Access denied; you need (at least one of) the SUPER, BINLOG REPLAY privilege(s) for this operation
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insert into test.t3 values (7, '1980-01-01 00:00:00', '1980-01-01 00:00:01');
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ERROR 42000: Access denied; you need (at least one of) the SUPER, BINLOG REPLAY privilege(s) for this operation
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use test;
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# restart: --secure-timestamp=NO
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drop tables t1, t2, t3;
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#
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# MDEV-29813 REPLACE/IGNORE does not work with historical records in InnoDB
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#
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set sql_mode='STRICT_ALL_TABLES';
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create or replace table t1 (a int) with system versioning;
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set system_versioning_insert_history= on;
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insert into t1 (a,row_start,row_end) values (1,'2022-01-01','2023-01-01'),(1,'2022-01-01','2023-01-01');
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select a,row_start,row_end into outfile 'mdev29813.txt' from t1 for system_time all;
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create or replace table t1 (a int primary key) with system versioning;
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load data infile 'mdev29813.txt' ignore into table t1 (a,row_start,row_end);
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Warnings:
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Warning 1062 Duplicate entry '1' for key 'PRIMARY'
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select a,row_start,row_end from t1 for system_time all;
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a row_start row_end
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1 2022-01-01 00:00:00.000000 2023-01-01 00:00:00.000000
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create or replace table t1 (a int primary key) with system versioning;
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insert ignore into t1 (a,row_start,row_end) values (1,'2022-01-01','2023-01-01'),(1,'2022-01-01','2023-01-01');
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Warnings:
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Warning 1062 Duplicate entry '1' for key 'PRIMARY'
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select a,row_start,row_end from t1 for system_time all;
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a row_start row_end
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1 2022-01-01 00:00:00.000000 2023-01-01 00:00:00.000000
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drop table t1;
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set sql_mode=default;
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