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From hornn <...@git.apache.org>
Subject [GitHub] incubator-hawq pull request:
Date Wed, 02 Mar 2016 02:18:18 GMT
Github user hornn commented on the pull request:

    In src/bin/gpfusion/gpbridgeapi.c:
    In src/bin/gpfusion/gpbridgeapi.c on line 518:
    I don't know if the filespace info is available from the segment or not - but from your
description it sounds like it's not.
    In that case, I think the solution might be to propagate the dfs_url from the master to
the segment as part of the external scan info. For readable table it should be easy - the
data can be added in hd_work_mgr, together with the fragments info. For writable tables it's
more tricky, because there is no pxf-specific code that is called in the master for writable
tables. So I think a better solution would be to always make this info available to external
protocol code, by making it part of the external scan, or perhaps populating a global variable
when the segment starts.

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