Sylvain Lebresne created CASSANDRA-4645:
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Summary: (CQL3) Re-allow order by on non-selected columns
Key: CASSANDRA-4645
URL: https://issues.apache.org/jira/browse/CASSANDRA-4645
Project: Cassandra
Issue Type: Bug
Affects Versions: 1.2.0 beta 1
Reporter: Sylvain Lebresne
Priority: Minor
Fix For: 1.2.0
CASSANDRA-4612 added a limitation to ORDER BY query in that it requires the
columns part of the ORDER BY to be in the select clause, while this wasn't the
case previously.
The reason for that is that for ORDER BY with IN queries, the sorting is done
post-query, and by the time we do the ordering, we've already cut down the
result set to the select clause, so if the column are not in the select clause
we cannot sort on them.
We should remove that that limitation however as this is a regression from what
we had before. As far as 1.2.0 is concerned, at the very least we should lift
the limitation for EQ queries since we don't do any post-query sorting in that
case and that was working correctly pre-CASSANDRA-4612. But we should also
remove that limitation for IN query, even if it's in a second time.
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