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Parser: unreserve keywords

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SELECT * FROM t1 FOR SYSTEM_TIME AS OF ...

becomes ambiguous, but it's the same as with

SELECT ... UNION SELECT ... ORDER BY ...
This commit is contained in:
Sergei Golubchik
2017-11-28 16:38:58 +01:00
committed by Aleksey Midenkov
parent 6ac773421f
commit 3198bc839d
13 changed files with 74 additions and 74 deletions
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14
mysql-test/suite/versioning/r/derived.result
View File

@ -93,12 +93,12 @@ as
select e.emp_id, e.name, e.mgr
from emp as e
where name = 'bill'
system_time as of timestamp @ts
for system_time as of timestamp @ts
union
select ee.emp_id, ee.name, ee.mgr
from emp as ee, ancestors as a
where ee.mgr = a.emp_id
system_time as of timestamp @ts
for system_time as of timestamp @ts
)
select * from ancestors;
emp_id name mgr
@ -113,12 +113,12 @@ as
select e.emp_id, e.name, e.mgr
from emp as e
where name = 'bill'
system_time as of timestamp @ts
for system_time as of timestamp @ts
union
select ee.emp_id, ee.name, ee.mgr
from emp as ee, ancestors as a
where ee.mgr = a.emp_id
system_time as of timestamp @ts
for system_time as of timestamp @ts
)
select * from ancestors";
prepare stmt from @tmp;
@ -152,13 +152,13 @@ y x
with s3 as (select *, t1.sys_trx_end from t2, t1 for system_time as of timestamp @t0) select * from s3;
y x
10 1
select * from (select *, t1.sys_trx_start from t2 for system_time as of now, t1) as s4 system_time as of timestamp @t0;
select * from (select *, t1.sys_trx_start from t2 for system_time as of now, t1) as s4 for system_time as of timestamp @t0;
y x
10 1
with s5 as (select *, t1.sys_trx_start from t2 for system_time as of now, t1) select * from s5 for system_time as of timestamp @t0;
y x
10 1
with s6 as (select *, t1.sys_trx_start from t2 for system_time as of now, t1) select * from s6 system_time as of timestamp @t0;
with s6 as (select *, t1.sys_trx_start from t2 for system_time as of now, t1) select * from s6 for system_time as of timestamp @t0;
y x
10 1
set @q= concat("create view vt1 as select * from t1 for system_time as of timestamp '", @t0, "'");
@ -174,7 +174,7 @@ x y
select * from (select *, vt1.sys_trx_end from t2, vt1) as s0;
y x
10 1
select * from (select *, vt1.sys_trx_start from t2 for system_time as of now, vt1) as s0 system_time as of timestamp @t0;
select * from (select *, vt1.sys_trx_start from t2 for system_time as of now, vt1) as s0 for system_time as of timestamp @t0;
y x
10 1
drop table t1, t2;