Re: ensureAtLeastOneField: obsolete? needed?

2015-10-04 Thread Daniel Barclay
[Also adding forgotten cc to dev. list] Jacques, Jacques Nadeau wrote: It's purpose is to make sure that a projection that finds no columns still produces output. Think record {a:4,b:6} If I say 'select c from t' , the reader (without this functionality) return zero columns (not supported

[jira] [Created] (DRILL-3892) Metadata cache not being leveraged when partition pruning is taking place

2015-10-04 Thread Rahul Challapalli (JIRA)
Rahul Challapalli created DRILL-3892: Summary: Metadata cache not being leveraged when partition pruning is taking place Key: DRILL-3892 URL: https://issues.apache.org/jira/browse/DRILL-3892 Proje