[ https://issues.apache.org/jira/browse/HAWQ-927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15378574#comment-15378574 ]
ASF GitHub Bot commented on HAWQ-927: ------------------------------------- GitHub user kavinderd opened a pull request: https://github.com/apache/incubator-hawq/pull/796 HAWQ-927. Pass ProjectionInfo data to PXF This commit makes the necessary modifications to the HAWQ side of the codebase to add a list of indices of projected columns You can merge this pull request into a Git repository by running: $ git pull https://github.com/kavinderd/incubator-hawq HAWQ-927 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/incubator-hawq/pull/796.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #796 ---- commit 68c6dd7ea6487b8362627fd0a4aa8c25a355abd3 Author: Kavinder Dhaliwal <kavind...@gmail.com> Date: 2016-07-12T01:20:16Z HAWQ-927. Pass ProjectionInfo data to PXF This commit makes the necessary modifications to the HAWQ side of the codebase to add a list of indices of projected columns ---- > Send Projection Info Data from HAWQ to PXF > ------------------------------------------ > > Key: HAWQ-927 > URL: https://issues.apache.org/jira/browse/HAWQ-927 > Project: Apache HAWQ > Issue Type: Sub-task > Components: External Tables > Reporter: Kavinder Dhaliwal > Assignee: Kavinder Dhaliwal > Fix For: backlog > > > To achieve column projection at the level of PXF or the underlying readers we > need to first send this data as a Header/Param to PXF. Currently, PXF has no > knowledge whether a query requires all columns or a subset of columns. -- This message was sent by Atlassian JIRA (v6.3.4#6332)