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
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 subquery
Fixed realtime index query serving failure due to incorrect treatment of DataSource
fixed markdown rendering issue (literal '<' are interpreted)
Merge branch 'master' into igalDruid
Fixed segments SQL queries for PostgreSQL compatibility