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Posted to dev@drill.apache.org by "Arina Ielchiieva (JIRA)" <ji...@apache.org> on 2019/01/28 15:08:00 UTC

[jira] [Created] (DRILL-7011) Allow hybrid model in the Row set-based scan framework

Arina Ielchiieva created DRILL-7011:
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             Summary: Allow hybrid model in the Row set-based scan framework
                 Key: DRILL-7011
                 URL: https://issues.apache.org/jira/browse/DRILL-7011
             Project: Apache Drill
          Issue Type: Improvement
    Affects Versions: 1.15.0
            Reporter: Arina Ielchiieva
            Assignee: Paul Rogers
             Fix For: 1.16.0


As part of schema provisioning project we want to allow hybrid model for Row set-based scan framework, namely to allow to pass custom schema metadata which can be partial.

Currently schema provisioning has TableSchema class that contains the following information (can be obtained from metastore, schema file, table function):
1. table schema represented by org.apache.drill.exec.record.metadata.TupleMetadata
2. table properties represented by Map<String, String>, can contain information if schema is strict or partial (default is partial) etc.



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