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create table t (a int) with system versioning;
set @before= UNIX_TIMESTAMP(now(6));
insert into t values (1);
set @after= UNIX_TIMESTAMP(now(6));
update t set a= 2;
set global system_versioning_asof= FROM_UNIXTIME(@after);
set system_versioning_asof= FROM_UNIXTIME(@after);
select * from t as nonempty;
a
1
connect subcon,127.0.0.1,root,,,$SERVER_MYPORT_1;
connection subcon;
select * from t as nonempty;
a
1
disconnect subcon;
connection default;
set global system_versioning_asof= FROM_UNIXTIME(@before);
select * from t as nonempty;
a
1
connect subcon,127.0.0.1,root,,,$SERVER_MYPORT_1;
connection subcon;
select * from t as empty;
a
disconnect subcon;
connection default;
drop table t;
set global system_versioning_asof= DEFAULT;
set system_versioning_asof= DEFAULT;
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