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ddea8f6a39
PARTITION clause in SELECT means query is non-versioned (see WITH_PARTITION_STORAGE_ENGINE in vers_setup_conds()). vers_setup_conds() expands such query to SYSTEM_TIME_ALL which is then added to VIEW specification. When VIEW is queried both clauses PARTITION and FOR SYSTEM_TIME ALL lead to ER_VERS_QUERY_IN_PARTITION (same place WITH_PARTITION_STORAGE_ENGINE). Fix removes FOR SYSTEM_TIME ALL from VIEW by accessing original SYSTEM_TIME clause: the one specified in parser. As a side-effect EXPLAIN SELECT displays SYSTEM_TIME specified in SELECT which is user-friendly.
292 lines
10 KiB
Text
292 lines
10 KiB
Text
create or replace table t1 (x int) with system versioning;
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insert into t1 values (1);
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select now(6) into @t1;
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update t1 set x= 2;
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select now(6) into @t2;
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delete from t1;
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set @vt1= concat("create or replace view vt1 as select * from t1 for system_time as of timestamp '", @t1, "'");
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prepare stmt from @vt1;
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execute stmt;
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drop prepare stmt;
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set @vt2= concat("create or replace view vt2 as select *, row_end from t1 for system_time as of timestamp '", @t2, "'");
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prepare stmt from @vt2;
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execute stmt;
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drop prepare stmt;
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select * from t1;
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x
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create or replace view vt1 as select * from t1;
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show create view vt1;
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View Create View character_set_client collation_connection
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vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`x` AS `x` from `t1` latin1 latin1_swedish_ci
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drop view vt1;
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drop view vt2;
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create or replace view vt1 as select * from t1 for system_time all;
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select * from vt1;
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x
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2
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1
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prepare stmt from 'select * from vt1';
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execute stmt;
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x
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2
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1
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drop prepare stmt;
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set @str= concat('create or replace view vt1 as
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select * from t1 for system_time as of timestamp "', @t1, '"');
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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 * from t1 for system_time as of timestamp @t1;
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x
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1
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select * from vt1;
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x
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1
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insert into vt1 values (3);
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select * from t1;
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x
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3
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select * from vt1;
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x
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1
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create or replace table t1 (x int) with system versioning;
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insert into t1 values (1), (2);
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set @t1=now(6);
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delete from t1 where x=2;
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set @t2=now(6);
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delete from t1 where x=1;
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set @t3=now(6);
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set @tmp= concat("create or replace view vt1 as select * from t1 for system_time as of timestamp '", @t1, "'");
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prepare stmt from @tmp;
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execute stmt;
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drop prepare stmt;
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select * from vt1;
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x
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1
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2
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# VIEW with parameters [tempesta-tech/mariadb#151]
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create or replace table t1 (x int) with system versioning;
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create or replace view vt1(c) as select x from t1;
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show create view vt1;
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View Create View character_set_client collation_connection
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vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`x` AS `c` from `t1` latin1 latin1_swedish_ci
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# VIEW over JOIN of versioned tables [tempesta-tech/mariadb#153]
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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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create or replace view vt12 as select * from t1 cross join t2;
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select * from vt12;
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a b
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1 2
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create or replace view vt12 as select * from t1 for system_time as of timestamp ('1970-01-01 00:00') cross join t2;
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select * from vt12;
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a b
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# VIEW improvements [tempesta-tech/mariadb#183]
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create or replace table t3 (x int);
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create or replace view vt1 as select * from t1, t2, t3;
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show create view vt1;
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View Create View character_set_client collation_connection
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vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`b` AS `b`,`t3`.`x` AS `x` from ((`t1` join `t2`) join `t3`) latin1 latin1_swedish_ci
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create or replace view vt1 as select * from t3, t2, t1;
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show create view vt1;
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View Create View character_set_client collation_connection
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vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t3`.`x` AS `x`,`t2`.`b` AS `b`,`t1`.`a` AS `a` from ((`t3` join `t2`) join `t1`) latin1 latin1_swedish_ci
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create or replace view vt1 as select a, t2.row_end as endo from t3, t1, t2;
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show create view vt1;
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View Create View character_set_client collation_connection
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vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`row_end` AS `endo` from ((`t3` join `t1`) join `t2`) latin1 latin1_swedish_ci
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# VIEW over UNION [tempesta-tech/mariadb#269]
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create or replace view vt1 as select * from t1 union select * from t1;
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select * from vt1;
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a
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1
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# VIEW over UNION with non-versioned [tempesta-tech/mariadb#393]
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create or replace table t2 (a int);
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create or replace view vt1 as select * from t1 union select * from t2;
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select * from vt1;
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a
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1
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#
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# MDEV-14689 crash on second PS execute
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#
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create or replace table t1 (a int);
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create or replace view v1 as select * from t1;
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create or replace table t2 (b int) with system versioning;
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prepare stmt from 'select a from v1 inner join t2 group by a order by a';
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execute stmt;
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a
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execute stmt;
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a
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drop view v1;
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drop tables t1, t2;
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#
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# MDEV-15146 SQLError[4122]: View is not system versioned
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#
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create or replace table t1 (a int) with system versioning;
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insert t1 values (1),(2);
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set @a=now(6);
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create or replace view v1 as select * from t1;
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delete from t1;
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select * from v1;
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a
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select * from v1 for system_time as of @a;
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a
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1
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2
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show create view v1;
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View Create View character_set_client collation_connection
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v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` latin1 latin1_swedish_ci
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#
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# MDEV-15378 Valid query causes invalid view definition due to syntax limitation in FOR SYSTEM_TIME
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#
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create or replace table t1 (i int) with system versioning;
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select * from t1 for system_time as of now() - interval 6 second;
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i
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create or replace view v1 as select * from t1 for system_time as of date_sub(now(), interval 6 second);
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show create view v1;
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View Create View character_set_client collation_connection
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v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`i` AS `i` from `t1` FOR SYSTEM_TIME AS OF TIMESTAMP current_timestamp() - interval 6 second latin1 latin1_swedish_ci
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drop view v1, vt1, vt12;
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drop tables t1, t3;
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#
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# MDEV-18727 improve DML operation of System Versioning
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#
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create or replace table t1 (
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x int,
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row_start SYS_DATATYPE as row start invisible,
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row_end SYS_DATATYPE 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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insert into t1 values (1), (2);
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create or replace view v1 as select * from t1 where x > 1;
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# update, delete
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update v1 set x= x + 1;
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select *, check_row(row_start, row_end) from t1 for system_time all order by x;
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x check_row(row_start, row_end)
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1 CURRENT ROW
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2 HISTORICAL ROW
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3 CURRENT ROW
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insert v1 values (4);
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select *, check_row(row_start, row_end) from t1 for system_time all order by x;
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x check_row(row_start, row_end)
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1 CURRENT ROW
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2 HISTORICAL ROW
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3 CURRENT ROW
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4 CURRENT ROW
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delete from v1 where x < 4;
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select *, check_row(row_start, row_end) from t1 for system_time all order by x;
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x check_row(row_start, row_end)
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1 CURRENT ROW
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2 HISTORICAL ROW
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3 HISTORICAL ROW
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4 CURRENT ROW
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# multi-update
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create or replace table t2 like t1;
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insert into t2 values (1), (2);
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create or replace view v2 as select * from t2 where x > 1;
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update v1, v2 set v1.x= v1.x + 1, v2.x= v2.x + 1 where v1.x = v2.x + 2;
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select *, check_row(row_start, row_end) from t1 for system_time all order by x;
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x check_row(row_start, row_end)
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1 CURRENT ROW
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2 HISTORICAL ROW
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3 HISTORICAL ROW
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4 HISTORICAL ROW
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5 CURRENT ROW
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select *, check_row(row_start, row_end) from t2 for system_time all order by x;
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x check_row(row_start, row_end)
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1 CURRENT ROW
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2 HISTORICAL ROW
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3 CURRENT ROW
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# multi-delete
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delete v1, v2 from v1 join v2 where v1.x = v2.x + 2;
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select *, check_row(row_start, row_end) from t1 for system_time all order by x;
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x check_row(row_start, row_end)
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1 CURRENT ROW
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2 HISTORICAL ROW
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3 HISTORICAL ROW
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4 HISTORICAL ROW
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5 HISTORICAL ROW
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select *, check_row(row_start, row_end) from t2 for system_time all order by x;
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x check_row(row_start, row_end)
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1 CURRENT ROW
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2 HISTORICAL ROW
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3 HISTORICAL ROW
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# replace
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create or replace table t1 (
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x int primary key, y int,
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row_start SYS_DATATYPE as row start invisible,
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row_end SYS_DATATYPE 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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insert into t1 values (1, 0), (2, 0);
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create or replace view v1 as select * from t1 where x > 1;
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replace v1 values (1, 1);
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replace v1 values (2, 1);
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replace v1 values (3, 1);
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# REPLACE ignores VIEW condition because itself doesn't use WHERE
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select *, check_row(row_start, row_end) from t1 for system_time all order by x, row_end;
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x y check_row(row_start, row_end)
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1 0 HISTORICAL ROW
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1 1 CURRENT ROW
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2 0 HISTORICAL ROW
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2 1 CURRENT ROW
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3 1 CURRENT ROW
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# insert-select, on duplicate key
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insert v1 select * from t1 where x = 1 on duplicate key update x = v1.x - 1;
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select *, check_row(row_start, row_end) from t1 for system_time all order by x, row_end;
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x y check_row(row_start, row_end)
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0 1 CURRENT ROW
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1 0 HISTORICAL ROW
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1 1 HISTORICAL ROW
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2 0 HISTORICAL ROW
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2 1 CURRENT ROW
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3 1 CURRENT ROW
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drop view v1, v2;
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drop tables t1, t2;
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#
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# MDEV-21146 Assertion `m_lock_type == 2' in handler::ha_drop_table upon LOAD DATA
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#
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create table t1 (a int);
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create view v1 as select * from t1;
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create or replace table t1 (b int) with system versioning;
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load data infile 'xx' into table v1;
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ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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drop view v1;
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drop table t1;
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#
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# MDEV-21155 Assertion with versioned table upon DELETE from view of view after replacing first view
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#
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create table t1 (a int);
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insert into t1 values (1);
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create table t2 (
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b int,
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row_start SYS_DATATYPE as row start invisible,
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row_end SYS_DATATYPE 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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insert into t2 values (2);
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create view v1 as select * from t1;
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create view v2 as select * from v1;
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create or replace view v1 as select * from t2;
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delete from v2;
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select * from t1;
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a
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1
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select *, check_row(row_start, row_end) from t2 for system_time all;
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b check_row(row_start, row_end)
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2 HISTORICAL ROW
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drop view v2;
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drop view v1;
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drop table t1, t2;
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#
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# MDEV-23779 Error upon querying the view, that selecting from versioned table with partitions
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#
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create table t1 (i int) with system versioning
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partition by system_time (partition p0 history, partition pn current);
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create view v1 as select * from t1 partition (pn);
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show create view v1;
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View Create View character_set_client collation_connection
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v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`i` AS `i` from `t1` PARTITION (`pn`) latin1 latin1_swedish_ci
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drop view v1;
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drop table t1;
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