[
https://issues.apache.org/jira/browse/HAWQ-927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15385249#comment-15385249
]
ASF GitHub Bot commented on HAWQ-927:
-------------------------------------
Github user xunzhang commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/796#discussion_r71460032
--- Diff: src/backend/access/external/pxfheaders.c ---
@@ -123,7 +130,8 @@ static void add_alignment_size_httpheader(CHURL_HEADERS
headers)
*/
static void add_tuple_desc_httpheader(CHURL_HEADERS headers, Relation rel)
{
- char long_number[32];
+ char long_number[sizeof(int32) * 8];
--- End diff --
I like this modification!
> 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, PXF
> 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)
