ASF GitHub Bot commented on DRILL-7156:

oleg-zinovev commented on issue #1836: DRILL-7156: Support empty Parquet files 
URL: https://github.com/apache/drill/pull/1836#issuecomment-521174404
   Some time spent debugging the test showed that the last schema contains all 
fields. The field is added in ProjectRecordBatch#setupNewSchemaFromInput. 
   In the original version of the test, field A was not added due to plan 
optimization - condition `1=0` was replaced by` limit 0`
   I can still provide a solution with combining schema if required.
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> Empty Parquet is not getting created if 0 records in result
> -----------------------------------------------------------
>                 Key: DRILL-7156
>                 URL: https://issues.apache.org/jira/browse/DRILL-7156
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - Parquet
>    Affects Versions: 1.16.0
>            Reporter: Sayalee Bhanavase
>            Assignee: Oleg Zinoviev
>            Priority: Major
>             Fix For: 1.17.0
> I am creating parquet tables out of joins. If there is no record in join, it 
> does not create empty. table and when I reused the table my further script 
> fails. 
> Has anyone faced this issue? Any suggestion or workaround?

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