Fix stress test key validation with UDT

[xingbowang]

Summary:

When UDT is enabled, key validation in stress test needs to strip timestamp away.

Test Plan:

Stress test

Reviewers:

Subscribers:

Tasks:

Tags:

[meta-codesync]

@xingbowang has imported this pull request. If you are a Meta employee, you can view this in D90621816.

[hx235]

I thought key() has its timestamp stripped off usually already

rocksdb/db/db_iter.h

Line 183 in 2893c25

return Slice(ukey_and_ts.data(), ukey_and_ts.size() - timestamp_size_);

[xingbowang]

I thought key() has its timestamp stripped off usually already

rocksdb/db/db_iter.h

Line 183 in 2893c25

return Slice(ukey_and_ts.data(), ukey_and_ts.size() - timestamp_size_);

Thanks for spotting the bug. The fix is wrong.