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MDEV-14645: AS OF TIMESTAMP is misused as TRX_ID

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Remove 1668efb722 that introduced a special magic
behavior for UNIX_TIMESTAMP() in the AS OF context
This commit is contained in:
Sergei Golubchik
2018-02-22 01:24:02 +01:00
parent 33366b1098
commit f3088112cb
11 changed files with 10 additions and 119 deletions
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6
mysql-test/suite/versioning/r/select.result
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@ -153,21 +153,21 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`x` AS `IJ2_x1`,`test`.`t1`.`y` AS `y1`,`test`.`t2`.`x` AS `x2`,`test`.`t2`.`y` AS `y2` from `test`.`t1` FOR SYSTEM_TIME ALL join `test`.`t2` FOR SYSTEM_TIME ALL where `test`.`t1`.`x` = `test`.`t2`.`x` and `test`.`t1`.`row_end` > <cache>(cast(@`t0` as datetime(6))) and `test`.`t1`.`row_start` <= <cache>(cast(@`t0` as datetime(6))) and `test`.`t2`.`row_end` > <cache>(cast(@`t0` as datetime(6))) and `test`.`t2`.`row_start` <= <cache>(cast(@`t0` as datetime(6)))
Note 1003 select `test`.`t1`.`x` AS `IJ2_x1`,`test`.`t1`.`y` AS `y1`,`test`.`t2`.`x` AS `x2`,`test`.`t2`.`y` AS `y2` from `test`.`t1` FOR SYSTEM_TIME ALL join `test`.`t2` FOR SYSTEM_TIME ALL where `test`.`t1`.`x` = `test`.`t2`.`x` and `test`.`t1`.`row_end` > @`t0` and `test`.`t1`.`row_start` <= @`t0` and `test`.`t2`.`row_end` > @`t0` and `test`.`t2`.`row_start` <= @`t0`
explain extended select * from (select t1.x as LJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 left join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`x` AS `LJ2_x1`,`test`.`t1`.`y` AS `y1`,`test`.`t2`.`x` AS `x2`,`test`.`t2`.`y` AS `y2` from `test`.`t1` FOR SYSTEM_TIME ALL left join `test`.`t2` FOR SYSTEM_TIME ALL on(`test`.`t2`.`x` = `test`.`t1`.`x` and `test`.`t1`.`row_end` > <cache>(cast(@`t0` as datetime(6))) and `test`.`t1`.`row_start` <= <cache>(cast(@`t0` as datetime(6))) and `test`.`t2`.`row_end` > <cache>(cast(@`t0` as datetime(6))) and `test`.`t2`.`row_start` <= <cache>(cast(@`t0` as datetime(6)))) where 1
Note 1003 select `test`.`t1`.`x` AS `LJ2_x1`,`test`.`t1`.`y` AS `y1`,`test`.`t2`.`x` AS `x2`,`test`.`t2`.`y` AS `y2` from `test`.`t1` FOR SYSTEM_TIME ALL left join `test`.`t2` FOR SYSTEM_TIME ALL on(`test`.`t2`.`x` = `test`.`t1`.`x` and `test`.`t1`.`row_end` > @`t0` and `test`.`t1`.`row_start` <= @`t0` and `test`.`t2`.`row_end` > @`t0` and `test`.`t2`.`row_start` <= @`t0`) where 1
explain extended select * from (select t1.x as RJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 right join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`x` AS `RJ2_x1`,`test`.`t1`.`y` AS `y1`,`test`.`t2`.`x` AS `x2`,`test`.`t2`.`y` AS `y2` from `test`.`t2` FOR SYSTEM_TIME ALL left join `test`.`t1` FOR SYSTEM_TIME ALL on(`test`.`t1`.`x` = `test`.`t2`.`x` and `test`.`t1`.`row_end` > <cache>(cast(@`t0` as datetime(6))) and `test`.`t1`.`row_start` <= <cache>(cast(@`t0` as datetime(6))) and `test`.`t2`.`row_end` > <cache>(cast(@`t0` as datetime(6))) and `test`.`t2`.`row_start` <= <cache>(cast(@`t0` as datetime(6)))) where 1
Note 1003 select `test`.`t1`.`x` AS `RJ2_x1`,`test`.`t1`.`y` AS `y1`,`test`.`t2`.`x` AS `x2`,`test`.`t2`.`y` AS `y2` from `test`.`t2` FOR SYSTEM_TIME ALL left join `test`.`t1` FOR SYSTEM_TIME ALL on(`test`.`t1`.`x` = `test`.`t2`.`x` and `test`.`t1`.`row_end` > @`t0` and `test`.`t1`.`row_start` <= @`t0` and `test`.`t2`.`row_end` > @`t0` and `test`.`t2`.`row_start` <= @`t0`) where 1
select * from (select t1.x as IJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 inner join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
IJ2_x1 y1 x2 y2