As Paul has mentioned in PR [1] when we move to new scan framework it will
handle implicit columns for all file readers.
I guess till that let's treat avro as other file formats (for example,
parquet) so users can benefit from implicit columns for this format as well.
[1]
Hi all,
I am working on DRILL-4120: dir0 does not work when the directory structure
contains Avro files.
In DRILL-3810 was added validation of query using avro schema before start
executing the query.
Therefore with these changes Drill throws an exception when the
query contains non-existent
