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https://issues.apache.org/jira/browse/HAWQ-779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15321031#comment-15321031
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Goden Yao commented on HAWQ-779:
--------------------------------
To merge the 2 plugins into code base, you can create 2 JIRAs for that.
Please refer to HAWQ-178 (add JSON plugin).
It's better to have PR and start discussion in mailing list if you have any
questions.
For this JIRA, community will review and provide feedback then we can merge as
appropriate.
> support more pxf filter pushdwon
> ---------------------------------
>
> Key: HAWQ-779
> URL: https://issues.apache.org/jira/browse/HAWQ-779
> Project: Apache HAWQ
> Issue Type: Improvement
> Components: PXF
> Reporter: Devin Jia
> Assignee: Goden Yao
> Fix For: backlog
>
>
> When I use the pxf hawq, I need to read a traditional relational database
> systems and solr by way of the external table. The project
> :https://github.com/Pivotal-Field-Engineering/pxf-field/tree/master/jdbc-pxf-ext,
> only "WriteAccessor ",so I developed 2 plug-ins, the projects:
> https://github.com/inspur-insight/pxf-plugin , But these two plug-ins need to
> modified HAWQ:
> 1. When get a list of fragment from pxf services, push down the
> 'filterString'. modify the backend / optimizer / plan / createplan.c of
> create_pxf_plan methods:
> segdb_work_map = map_hddata_2gp_segments (uri_str,
> total_segs, segs_participating,
> relation, ctx-> root-> parse-> jointree-> quals);
> 2. modify pxffilters.h and pxffilters.c, support TEXT types LIKE operation,
> Date type data operator, Float type operator.
> 3. Modify org.apache.hawq.pxf.api.FilterParser.java, support the LIKE
> operator.
> I already created a feature branch in my local ,and tested.
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