[jira] [Created] (HAWQ-1581) Separate PXF system parameters from user configurable visible parameters

["Shivram Mani (JIRA)" <ji...@apache.org>]

Shivram Mani created HAWQ-1581:
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             Summary: Separate PXF system parameters from user configurable visible parameters
                 Key: HAWQ-1581
                 URL: https://issues.apache.org/jira/browse/HAWQ-1581
             Project: Apache HAWQ
          Issue Type: Bug
          Components: PXF
            Reporter: Shivram Mani
            Assignee: Ed Espino


We need to modify our system such that user configurable options are kept distinct form the internal parameters. The custom parameters are configured in the {{LOCATION}} section of the external table DDL, is exposed to PXF server as {{X-GP-<param_name>}}.

{{X-GP-USER}} is an internal parameter used to set the user information. When the DDL has a custom parameter named {{user}} it ends up updating X-GP-USER to also include the user configured in the DDL Location. This causes the JDBC connector to fail.

We will instead use \{X-GP-OPTIONS-} as the prefix for all user configurable parameters to keep them isolated.



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