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SQL: CREATE VIEW and misc improvements [fixes #183]

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This commit is contained in:
Aleksey Midenkov
2017-04-25 15:02:48 +03:00
parent 27a6ef0a9e
commit 1e8a81dea6
11 changed files with 239 additions and 88 deletions
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46
mysql-test/suite/versioning/r/view.result
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@ -8,7 +8,7 @@ set @vt1= concat("create view vt1 as select * from t1 for system_time as of time
prepare stmt from @vt1;
execute stmt;
drop prepare stmt;
set @vt2= concat("create view vt2 as select * from t1 for system_time as of timestamp '", @t2, "'");
set @vt2= concat("create view vt2 as select *, sys_trx_end from t1 for system_time as of timestamp '", @t2, "'");
prepare stmt from @vt2;
execute stmt;
drop prepare stmt;
@ -76,10 +76,6 @@ x
select * from vt1 for system_time all;
x
3
create view error_view as select *, sys_trx_start from t1;
ERROR 42S21: Duplicate column name 'sys_trx_start'
create view error_view as select *, sys_trx_end from t1;
ERROR 42S21: Duplicate column name 'sys_trx_end'
create or replace table t1 (x int) with system versioning;
insert into t1 values (1), (2);
set @t1=now(6);
@ -91,27 +87,14 @@ set @tmp= concat("create or replace view vt1 as select * from t1 for system_time
prepare stmt from @tmp;
execute stmt;
drop prepare stmt;
set @tmp= concat("create or replace view vvt1 as select * from vt1 for system_time as of timestamp '", @t2, "'");
prepare stmt from @tmp;
execute stmt;
drop prepare stmt;
set @tmp= concat("create or replace view vvvt1 as select * from vvt1 for system_time as of timestamp '", @t3, "'");
prepare stmt from @tmp;
execute stmt;
drop prepare stmt;
select * from vt1 for system_time all;
x
1
2
select * from vvt1 for system_time all;
x
1
select * from vvvt1 for system_time all;
x
create or replace table t1 (x int) with system versioning;
create or replace view vt1(c) as select x from t1;
create or replace table t1 (a int) with system versioning;
create or replace table t2 (b int) with system versioning;
create or replace table t1 (a int) with system versioning engine innodb;
create or replace table t2 (b int) with system versioning engine innodb;
insert into t1 values (1);
insert into t2 values (2);
create or replace view vt12 as select * from t1 cross join t2;
@ -121,5 +104,24 @@ a b
create or replace view vt12 as select * from t1 for system_time as of timestamp '0-0-0' cross join t2;
select * from vt12;
a b
drop view vt1, vvt1, vvvt1, vt12;
drop table t1, t2;
create or replace view vt1 as select a, t1.sys_trx_start, t2.sys_trx_end from t1, t2;
ERROR HY000: Creating VIEW `vt1` is prohibited: system fields from multiple tables `t1`, `t2` in query!
create or replace view vt1 as select a, t1.sys_trx_end, t2.sys_trx_end from t1, t2;
ERROR HY000: Creating VIEW `vt1` is prohibited: multiple end system fields `t1.sys_trx_end`, `t2.sys_trx_end` in query!
create or replace table t3 (x int);
create or replace view vt1 as select * from t1, t2, t3;
show create view vt1;
View Create View character_set_client collation_connection
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`,`t1`.`sys_trx_start` AS `sys_trx_start`,`t1`.`sys_trx_end` AS `sys_trx_end` from ((`t1` FOR SYSTEM_TIME ALL join `t2` FOR SYSTEM_TIME ALL) join `t3`) where `t1`.`sys_trx_end` = 18446744073709551615 and `t2`.`sys_trx_end` = 18446744073709551615 latin1 latin1_swedish_ci
create or replace view vt1 as select * from t3, t2, t1;
show create view vt1;
View Create View character_set_client collation_connection
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`,`t2`.`sys_trx_start` AS `sys_trx_start`,`t2`.`sys_trx_end` AS `sys_trx_end` from ((`t3` join `t2` FOR SYSTEM_TIME ALL) join `t1` FOR SYSTEM_TIME ALL) where `t2`.`sys_trx_end` = 18446744073709551615 and `t1`.`sys_trx_end` = 18446744073709551615 latin1 latin1_swedish_ci
create or replace view vt1 as select a, t2.sys_trx_end as endo from t3, t1, t2;
show create view vt1;
View Create View character_set_client collation_connection
vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`a` AS `a`,`t2`.`sys_trx_end` AS `endo`,`t2`.`sys_trx_start` AS `sys_trx_start` from ((`t3` join `t1` FOR SYSTEM_TIME ALL) join `t2` FOR SYSTEM_TIME ALL) where `t1`.`sys_trx_end` = 18446744073709551615 and `t2`.`sys_trx_end` = 18446744073709551615 latin1 latin1_swedish_ci
create or replace view vvt1 as select * from t1, t2, vt1;
ERROR HY000: Creating VIEW `vvt1` is prohibited: versioned VIEW `vt1` in query!
drop view vt1, vt12;
drop table t1, t2, t3;