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https://issues.apache.org/jira/browse/HAWQ-1048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shivram Mani updated HAWQ-1048:
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Description:
Support additional logical operators OR, NOT along with currently supported AND.
Have a separate enum for logical operators say PxfLogicalOperatorCode. Other
logical operators can continue existing in PxfOperatorCode enum.
Change the way Qualifier tree is handled to take care of precedence. in
pxffilters.c. The output of this should produce a postfix notation.
> Support OR, NOT logical operators in the HAWQ/PXF Bridge
> --------------------------------------------------------
>
> Key: HAWQ-1048
> URL: https://issues.apache.org/jira/browse/HAWQ-1048
> Project: Apache HAWQ
> Issue Type: Sub-task
> Components: PXF
> Reporter: Shivram Mani
> Assignee: Oleksandr Diachenko
> Fix For: backlog
>
>
> Support additional logical operators OR, NOT along with currently supported
> AND.
> Have a separate enum for logical operators say PxfLogicalOperatorCode. Other
> logical operators can continue existing in PxfOperatorCode enum.
> Change the way Qualifier tree is handled to take care of precedence. in
> pxffilters.c. The output of this should produce a postfix notation.
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