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From DaveBirdsall <...@git.apache.org>
Subject [GitHub] incubator-trafodion pull request #815: [TRAFODION-2326] TopN sort reuse of r...
Date Thu, 03 Nov 2016 18:25:46 GMT
Github user DaveBirdsall commented on a diff in the pull request:

    https://github.com/apache/incubator-trafodion/pull/815#discussion_r86409814
  
    --- Diff: core/sql/executor/ex_sort.cpp ---
    @@ -183,6 +212,11 @@ ExSortTcb::ExSortTcb(const ExSortTdb & sort_tdb,
       processedInputs_ = qparent_.down->getTailIndex();
       workAtp_ = allocateAtp(sort_tdb.workCriDesc_, space);
       workAtp_->getTupp(2) = new(space) tupp_descriptor();
    +  
    +  //buffer pools are allocated in SORT_PREP work phase.
    +  topNSortPool_ = NULL;
    +  regularSortPool_ = NULL;
    +  partialSortPool_ = NULL;
    --- End diff --
    
    Should we set receivePool_ to NULL here also?


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