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mariadb/mysql-test/suite/versioning/t/optimized_fields.test
2017-07-06 16:19:16 +03:00

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create table t(
a int,
b int without system versioning
) with system versioning;
insert into t values(1, 2);
insert into t values(3, 4);
select * from t;
select a from t for system_time as of timestamp now(6);
select a, b, b+0 from t for system_time as of timestamp now(6);
select * from t for system_time as of timestamp now(6);
select count(*) from t group by b query for system_time as of timestamp now(6);
select * from t for system_time as of timestamp now(6) order by b asc;
select * from t for system_time as of timestamp now(6) order by b desc;
select * from t group by a having a=2 query for system_time as of timestamp now(6);
select * from t group by b having b=2 query for system_time as of timestamp now(6);
select a from t where b=2 query for system_time as of timestamp now(6);
select a from t where b=NULL query for system_time as of timestamp now(6);
select a from t where b is NULL query for system_time as of timestamp now(6);
select count(*), b from t group by b having b=NULL query for system_time as of timestamp now(6);
select a, b from t;
drop table t;