Subquery support for GroupBy queries
Merge branch 'master' into subquery
Fix subquery merge issues
Fix NPE when subquery returns empty result
Documentation for query data sources
Merge branch 'master' into subquery
text cleanup
Merge branch 'master' into subquery
Fixed realtime querying after subquery changes
typo fix
missing word
Removed trailing comma
Fixed JSON
first commit
Merge branch 'master' into subquery
Extra null value check. Not sure why this is needed in the subquery implementation and not regular queries. Bug elsewhere?
Merge branch 'master' into new-schema
Merge branch 'master' into subquery
Costbalancer Multithread
Extracted common methods