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Victoria Markman commented on DRILL-2408: ----------------------------------------- Hakim, Empty folder shouldn't have been created in the first place. It was created by CTAS where underlying select statement returned no results. Vicky. > Invalid (0 length) parquet file created by CTAS > ----------------------------------------------- > > Key: DRILL-2408 > URL: https://issues.apache.org/jira/browse/DRILL-2408 > Project: Apache Drill > Issue Type: Bug > Components: Storage - Writer > Affects Versions: 0.8.0 > Reporter: Aman Sinha > Assignee: Deneche A. Hakim > Priority: Critical > Fix For: 0.9.0 > > Attachments: DRILL-2408.1.patch.txt, DRILL-2408.2.patch.txt, > DRILL-2408.3.patch.txt > > > We should not be creating 0 length parquet files; subsequent queries on these > will fail with the error shown below. > {code} > 0: jdbc:drill:zk=local> create table tt5 as select * from > cp.`tpch/region.parquet` where 1=0; > +------------+---------------------------+ > | Fragment | Number of records written | > +------------+---------------------------+ > | 0_0 | 0 | > +------------+---------------------------+ > 1 row selected (0.8 seconds) > 0: jdbc:drill:zk=local> select count(*) from tt5; > Query failed: RuntimeException: file:/tmp/tt5/0_0_0.parquet is not a Parquet > file (too small) > Error: exception while executing query: Failure while executing query. > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)