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#
# MDEV-16355 Add option for mysqldump to read data as of specific timestamp from system-versioned tables
#
create or replace table t1 (x int) with system versioning;
set timestamp=unix_timestamp('1990-01-01 00:00');
insert t1 (x) values (1),(2),(3);
set timestamp=unix_timestamp('1990-08-03 00:00');
delete from t1 where x=1;
set timestamp=unix_timestamp('1991-01-02 00:00');
delete from t1 where x=2;
set timestamp=default;
#MYSQL_DUMP --compact test
/*M!999999\- enable the sandbox mode */
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8mb4 */;
CREATE TABLE `t1` (
`x` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci WITH SYSTEM VERSIONING;
/*!40101 SET character_set_client = @saved_cs_client */;
INSERT INTO `t1` VALUES
(3);
#MYSQL_DUMP --compact --as-of="1990-01-02 00:00" test
/*M!999999\- enable the sandbox mode */
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8mb4 */;
CREATE TABLE `t1` (
`x` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci WITH SYSTEM VERSIONING;
/*!40101 SET character_set_client = @saved_cs_client */;
INSERT INTO `t1` VALUES
(1),
(2),
(3);
#MYSQL_DUMP --compact --as-of="1990-08-02 00:00" --databases test
/*M!999999\- enable the sandbox mode */
CREATE DATABASE /*!32312 IF NOT EXISTS*/ `test` /*!40100 DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_uca1400_ai_ci */;
USE `test`;
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8mb4 */;
CREATE TABLE `t1` (
`x` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci WITH SYSTEM VERSIONING;
/*!40101 SET character_set_client = @saved_cs_client */;
INSERT INTO `t1` VALUES
(1),
(2),
(3);
#MYSQL_DUMP --compact --as-of="1990-08-04 00:00" test t1
/*M!999999\- enable the sandbox mode */
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8mb4 */;
CREATE TABLE `t1` (
`x` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci WITH SYSTEM VERSIONING;
/*!40101 SET character_set_client = @saved_cs_client */;
INSERT INTO `t1` VALUES
(2),
(3);
#MYSQL_DUMP --compact --as-of="1990-08-04 00:00' where 'abc" test 2>&1
mariadb-dump: Incorrect DATETIME value: '1990-08-04 00:00' where 'abc'
drop tables t1;
#
# MDEV-16029 mysqldump: dump and restore historical data
#
create or replace table t1 (x int) with system versioning;
set timestamp=unix_timestamp('2010-10-10 10:10:10.101010');
insert into t1 values (1), (2);
set timestamp=unix_timestamp('2011-11-11 11:11:11.111111');
delete from t1 where x = 1;
set timestamp=default;
select row_start, row_end into @s1, @e1 from t1 for system_time all where x = 1;
select row_start, row_end into @s2, @e2 from t1 for system_time all where x = 2;
create or replace table t2 (
x int,
row_start timestamp(6) as row start invisible,
row_end timestamp(6) as row end invisible,
period for system_time (row_start, row_end))
with system versioning;
create or replace function check_fields(x int, row_start timestamp(6), row_end timestamp(6))
returns char(50) deterministic
return if (x = 1,
if (row_start = @s1 and row_end = @e1, '[CORRECT]', '[WRONG]'),
if (x = 2 and row_start = @s2 and row_end = @e2, '[CORRECT]', '[WRONG]'));
set @@system_versioning_insert_history= 1;
insert into t2 (x, row_start, row_end) select x, row_start, row_end from t1 for system_time all;
set @@system_versioning_insert_history= 0;
# t2 has the same data as t1
select x, check_fields(x, row_start, row_end) from t2 for system_time all order by x;
x check_fields(x, row_start, row_end)
1 [CORRECT]
2 [CORRECT]
/*M!999999\- enable the sandbox mode */
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8mb4 */;
CREATE TABLE `t1` (
`x` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci WITH SYSTEM VERSIONING;
/*!40101 SET character_set_client = @saved_cs_client */;
/*M!101100 SET @old_system_versioning_insert_history=@@session.system_versioning_insert_history, @@session.system_versioning_insert_history=1 */;
INSERT INTO `t1` (`x`, row_start, row_end) VALUES (1,'2010-10-10 10:10:10.101010','2011-11-11 11:11:11.111111'),
(2,'2010-10-10 10:10:10.101010','MAX_TIME');
/*M!101100 SET system_versioning_insert_history=@old_system_versioning_insert_history */;
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8mb4 */;
CREATE TABLE `t2` (
`x` int(11) DEFAULT NULL,
`row_start` timestamp(6) GENERATED ALWAYS AS ROW START INVISIBLE,
`row_end` timestamp(6) GENERATED ALWAYS AS ROW END INVISIBLE,
PERIOD FOR SYSTEM_TIME (`row_start`, `row_end`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci WITH SYSTEM VERSIONING;
/*!40101 SET character_set_client = @saved_cs_client */;
/*M!101100 SET @old_system_versioning_insert_history=@@session.system_versioning_insert_history, @@session.system_versioning_insert_history=1 */;
INSERT INTO `t2` (`x`, `row_start`, `row_end`) VALUES (1,'2010-10-10 10:10:10.101010','2011-11-11 11:11:11.111111'),
(2,'2010-10-10 10:10:10.101010','MAX_TIME');
/*M!101100 SET system_versioning_insert_history=@old_system_versioning_insert_history */;
mariadb-dump: --dump-history can't be used with --as-of.
mariadb-dump: --dump-history can't be used with --replace.
mariadb-dump: --xml can't be used with --dump-history.
# SQL dump with/without history
## With history
drop tables t1, t2;
select x, check_fields(x, row_start, row_end) from t1 for system_time all order by x;
x check_fields(x, row_start, row_end)
1 [CORRECT]
2 [CORRECT]
select x, check_fields(x, row_start, row_end) from t2 for system_time all order by x;
x check_fields(x, row_start, row_end)
1 [CORRECT]
2 [CORRECT]
## Without history
drop tables t1, t2;
select x, check_row_ts(row_start, row_end) from t1 for system_time all order by x;
x check_row_ts(row_start, row_end)
2 CURRENT ROW
select x, check_row_ts(row_start, row_end) from t2 for system_time all order by x;
x check_row_ts(row_start, row_end)
2 CURRENT ROW
## History and --no-create-info --skip-comments
create or replace table t1 (x int) with system versioning;
delete from t2;
delete history from t2;
select x, check_fields(x, row_start, row_end) from t1 for system_time all order by x;
x check_fields(x, row_start, row_end)
1 [CORRECT]
2 [CORRECT]
select x, check_fields(x, row_start, row_end) from t2 for system_time all order by x;
x check_fields(x, row_start, row_end)
1 [CORRECT]
2 [CORRECT]
## compact
select x, check_fields(x, row_start, row_end) from t1 for system_time all order by x;
x check_fields(x, row_start, row_end)
1 [CORRECT]
2 [CORRECT]
select x, check_fields(x, row_start, row_end) from t2 for system_time all order by x;
x check_fields(x, row_start, row_end)
1 [CORRECT]
2 [CORRECT]
create or replace table t1 (x int) with system versioning;
# --tab with history
drop tables t1, t2;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`x` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci WITH SYSTEM VERSIONING
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`x` int(11) DEFAULT NULL,
`row_start` timestamp(6) GENERATED ALWAYS AS ROW START INVISIBLE,
`row_end` timestamp(6) GENERATED ALWAYS AS ROW END INVISIBLE,
PERIOD FOR SYSTEM_TIME (`row_start`, `row_end`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci WITH SYSTEM VERSIONING
set @@system_versioning_insert_history= 1;
load data infile 'tmp/t1.txt' into table t1 (x, row_start, row_end);
load data infile 'tmp/t2.txt' into table t2 (x, row_start, row_end);
set @@system_versioning_insert_history= 0;
select *, check_row_ts(row_start, row_end) from t1 for system_time all;
x check_row_ts(row_start, row_end)
1 HISTORICAL ROW
2 CURRENT ROW
select *, check_row_ts(row_start, row_end) from t2 for system_time all;
x check_row_ts(row_start, row_end)
1 HISTORICAL ROW
2 CURRENT ROW
drop tables t1, t2;
drop function check_fields;
#
# MDEV-29730 mysqldump --dump-history creates broken dump if there are precision-versioned tables
#
create table t1 (x int,
rs BIGINT unsigned as row start, re BiGiNt unsigned as row end,
period for system_time (rs,re)) with system versioning engine=innodb;
insert t1 (x) values (1);
insert t1 (x) values (2);
delete from t1 where x=1;
mariadb-dump: Cannot use --dump-history for table `t1` with transaction-precise history
mariadb-dump: Cannot use --dump-history for table `t1` with transaction-precise history
/*M!999999\- enable the sandbox mode */
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8mb4 */;
CREATE TABLE `t1` (
`x` int(11) DEFAULT NULL,
`rs` bigint(20) unsigned GENERATED ALWAYS AS ROW START,
`re` bigint(20) unsigned GENERATED ALWAYS AS ROW END,
PERIOD FOR SYSTEM_TIME (`rs`, `re`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci WITH SYSTEM VERSIONING;
/*!40101 SET character_set_client = @saved_cs_client */;
INSERT INTO `t1` VALUES
(2,XXX,18446744073709551615);
drop table t1;
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