mirror of
https://github.com/MariaDB/server.git
synced 2025-11-28 17:36:30 +03:00
317 lines
8.3 KiB
Plaintext
317 lines
8.3 KiB
Plaintext
set @@session.time_zone='+00:00';
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select ifnull(max(trx_id), 0) into @start_trx_id from information_schema.innodb_vtq;
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create procedure if not exists verify_vtq()
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begin
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set @i= 0;
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select
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@i:= @i + 1 as No,
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trx_id > 0 as A,
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commit_id > trx_id as B,
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begin_ts > '1-1-1 0:0:0' as C,
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commit_ts >= begin_ts as D
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from information_schema.innodb_vtq
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where trx_id > @start_trx_id;
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select ifnull(max(trx_id), 0)
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into @start_trx_id
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from information_schema.innodb_vtq;
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end~~
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create function if not exists default_engine()
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returns varchar(255)
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deterministic
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begin
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declare e varchar(255);
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select lower(engine) from information_schema.engines where support='DEFAULT' into e;
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return e;
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end~~
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create function if not exists sys_datatype()
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returns varchar(255)
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deterministic
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begin
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if default_engine() = 'innodb' then
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return 'bigint unsigned';
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elseif default_engine() = 'myisam' then
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return 'timestamp(6)';
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end if;
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return NULL;
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end~~
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create function if not exists sys_commit_ts(sys_field varchar(255))
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returns varchar(255)
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deterministic
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begin
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if default_engine() = 'innodb' then
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return concat('vtq_commit_ts(', sys_field, ')');
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elseif default_engine() = 'myisam' then
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return sys_field;
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end if;
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return NULL;
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end~~
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create procedure if not exists innodb_verify_vtq(recs int)
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begin
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declare i int default 1;
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if default_engine() = 'innodb' then
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call verify_vtq;
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elseif default_engine() = 'myisam' then
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create temporary table tmp (No int, A bool, B bool, C bool, D bool);
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while i <= recs do
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insert into tmp values (i, 1, 1, 1, 1);
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set i= i + 1;
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end while;
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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 table t1 (x int)
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with system versioning
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partition by range columns (x) (
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partition p0 values less than (100),
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partition p1 values less than (1000));
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insert into t1 values (3), (300);
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select * from t1;
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x
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3
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300
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select * from t1 partition (p0);
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x
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3
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select * from t1 partition (p1);
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x
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300
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delete from t1;
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select * from t1;
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x
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select * from t1 for system_time all;
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x
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3
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300
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select * from t1 partition (p0) for system_time all;
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x
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3
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select * from t1 partition (p1) for system_time all;
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x
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300
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create or replace table t1 (x int)
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partition by system_time (
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partition p0 versioning,
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partition pn as of now);
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ERROR HY000: System Versioning required: `BY SYSTEM_TIME` partitioning
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create or replace table t1 (x int);
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alter table t1
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partition by system_time (
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partition p0 versioning,
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partition pn as of now);
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ERROR HY000: System Versioning required: `BY SYSTEM_TIME` partitioning
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create or replace table t1 (x int)
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with system versioning
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partition by system_time (
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partition p0 as of now);
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ERROR HY000: Wrong parameters for `BY SYSTEM_TIME`: unexpected number of partitions (expected > 1)
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create or replace table t1 (x int)
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with system versioning
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partition by system_time (
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partition p0 as of now,
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partition p1 as of now);
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ERROR HY000: Wrong parameters for `BY SYSTEM_TIME`: multiple `AS OF NOW` partitions
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create or replace table t1 (x int)
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with system versioning
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partition by system_time (
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partition p0 versioning,
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partition p1 versioning);
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ERROR HY000: Wrong parameters for `BY SYSTEM_TIME`: no `AS OF NOW` partition defined
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create or replace table t1 (x int)
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with system versioning
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partition by system_time (
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partition pn as of now,
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partition p0 versioning);
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ERROR HY000: Wrong parameters for `BY SYSTEM_TIME`: AS OF NOW partition is not last
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create or replace table t1 (x int)
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with system versioning
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partition by system_time (
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partition p0 versioning,
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partition pn as of now);
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alter table t1 add partition (
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partition p1 as of now);
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ERROR HY000: Wrong parameters for `BY SYSTEM_TIME`: AS OF NOW partition can not be added
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alter table t1 add partition (
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partition p1 versioning);
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Warnings:
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Warning 4078 Maybe missing parameters: no rotation condition for multiple `VERSIONING` partitions.
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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) DEFAULT NULL,
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`sys_trx_start` ${SYS_TRX_TYPE} GENERATED ALWAYS AS ROW START,
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`sys_trx_end` ${SYS_TRX_TYPE} GENERATED ALWAYS AS ROW END,
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PERIOD FOR SYSTEM_TIME (`sys_trx_start`, `sys_trx_end`)
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) ENGINE=${INNODB_OR_MYISAM} DEFAULT CHARSET=latin1 WITH SYSTEM VERSIONING
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PARTITION BY SYSTEM_TIME
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(PARTITION p0 VERSIONING ENGINE = ${INNODB_OR_MYISAM},
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PARTITION p1 VERSIONING ENGINE = ${INNODB_OR_MYISAM},
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PARTITION pn AS OF NOW ENGINE = ${INNODB_OR_MYISAM})
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alter table t1 drop partition pn;
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ERROR HY000: Wrong parameters for `BY SYSTEM_TIME`: `AS OF NOW` partition can not be dropped
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alter table t1 drop partition p1;
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alter table t1 drop partition p0;
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ERROR HY000: Wrong parameters for `BY SYSTEM_TIME`: one `AS OF NOW` and at least one `VERSIONING` partition required
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set @now= now(6);
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insert into t1 values (1);
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set @ts_start= sys_commit_ts('sys_trx_start');
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set @ts_end= sys_commit_ts('sys_trx_end');
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set @str= concat('select x, ', @ts_start, ' < @now as A, ', @ts_end, ' > @now as B from t1 partition (p0) for system_time all');
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prepare select_p0 from @str;
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set @str= concat('select x, ', @ts_start, ' > @now as C, ', @ts_end, ' = timestamp\'2038-01-19 03:14:07\' as D from t1 partition (pn) for system_time all');
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prepare select_pn from @str;
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execute select_p0;
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x A B
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execute select_pn;
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x C D
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1 1 1
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set @str= concat('select ', @ts_start, ' from t1 partition (pn) into @ts0');
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prepare stmt from @str;
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execute stmt;
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drop prepare stmt;
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set @now= now(6);
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delete from t1;
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execute select_p0;
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x A B
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1 1 1
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execute select_pn;
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x C D
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set @str= concat('select ', @ts_start, ' from t1 partition (p0) for system_time all into @ts1');
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prepare stmt from @str;
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execute stmt;
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drop prepare stmt;
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select @ts0 = @ts1;
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@ts0 = @ts1
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1
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set @now= now(6);
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insert into t1 values (2);
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execute select_p0;
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x A B
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1 1 0
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execute select_pn;
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x C D
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2 1 1
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set @str= concat('select ', @ts_start, ' from t1 partition (pn) into @ts0');
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prepare stmt from @str;
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execute stmt;
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drop prepare stmt;
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set @now= now(6);
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update t1 set x = x + 1;
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execute select_p0;
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x A B
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1 1 0
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2 1 1
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execute select_pn;
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x C D
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3 1 1
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drop prepare select_p0;
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drop prepare select_pn;
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set @str= concat('select ', @ts_start, ' from t1 partition (p0) for system_time all where x = 2 into @ts1');
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prepare stmt from @str;
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execute stmt;
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drop prepare stmt;
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set @str= concat('select ', @ts_end, ' from t1 partition (p0) for system_time all where x = 2 into @ts2');
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prepare stmt from @str;
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execute stmt;
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drop prepare stmt;
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set @str= concat('select ', @ts_start, ' from t1 partition (pn) into @ts3');
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prepare stmt from @str;
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execute stmt;
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drop prepare stmt;
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select @ts0 = @ts1;
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@ts0 = @ts1
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1
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select @ts2 = @ts3;
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@ts2 = @ts3
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1
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create or replace table t1 (x int)
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with system versioning
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partition by system_time limit 1 (
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partition p0 versioning,
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partition p1 versioning,
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partition pn as of now);
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insert into t1 values (1), (2);
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select * from t1 partition (pn);
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x
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1
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2
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delete from t1;
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Warnings:
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Note 4079 Switching from partition `p0` to `p1`
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select * from t1 partition (p0) for system_time all;
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x
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1
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select * from t1 partition (p1) for system_time all;
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x
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2
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insert into t1 values (3);
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delete from t1;
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Warnings:
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Warning 4077 Using full partition `p1`, need more VERSIONING partitions!
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select * from t1 partition (p1) for system_time all;
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x
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2
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3
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create or replace table t1 (x int)
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with system versioning
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partition by system_time interval 1 second (
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partition p0 versioning,
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partition p1 versioning,
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partition pn as of now);
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insert into t1 values (1), (2), (3);
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select * from t1 partition (pn);
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x
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1
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2
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3
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delete from t1;
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select * from t1 partition (p0) for system_time all;
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x
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1
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2
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3
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insert into t1 values (4);
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delete from t1;
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Warnings:
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Note 4079 Switching from partition `p0` to `p1`
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select * from t1 partition (p1) for system_time all;
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x
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4
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create or replace table t1 (x int)
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with system versioning
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partition by system_time limit 1
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subpartition by key (x)
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subpartitions 2 (
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partition p0 versioning,
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partition p1 versioning,
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partition pn as of now);
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insert into t1 (x) values (1), (2), (3);
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select * from t1 partition (pnsp0);
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x
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1
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3
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select * from t1 partition (pnsp1);
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x
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2
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delete from t1;
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Warnings:
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Note 4079 Switching from partition `p0` to `p1`
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Warning 4077 Using full partition `p1`, need more VERSIONING partitions!
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select * from t1 partition (p0sp0) for system_time all;
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x
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1
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select * from t1 partition (p0sp1) for system_time all;
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x
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select * from t1 partition (p1sp0) for system_time all;
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x
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3
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select * from t1 partition (p1sp1) for system_time all;
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x
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2
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drop table t1;
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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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drop function sys_commit_ts;
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drop function sys_datatype;
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