Implement ORDER BY spilling#14836

Merged

highker merged 10 commits intoprestodb:masterfrom

sachdevs:orderbyspilling

Jul 24, 2020

Commits on Jul 23, 2020

Revoke memory after initial output page has been produced in tests

Saksham Sachdev
and
sopel39
committed
Allow memory revoke only during operator finish phase

Saksham Sachdev
and
sopel39
committed
Produce more than single page in testHashAggregation

Saksham Sachdev
and
sopel39
committed
Extract DummySpillerFactory from TestHashAggregationOperator

Saksham Sachdev
and
havi-odin
committed
Use WorkProcessor in OrderByOperator

Saksham Sachdev
and
findepi
committed
Add Spill To Disk for ORDER BY

Saksham Sachdev
and
findepi
committed
Use OrderingCompiler in OrderBy spilling

Saksham Sachdev
and
sopel39
committed
Convert revocable memory to user memory on OrderBy finish

Saksham Sachdev
and
sopel39
committed
Extract order by queries tests to separate class

Saksham Sachdev
and
sopel39
committed
Close spiller on Operator#close for ORDER BY spilling
Saksham Sachdev
committed