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Posted to dev@qpid.apache.org by "Keith Wall (JIRA)" <ji...@apache.org> on 2016/05/31 13:18:12 UTC
[jira] [Comment Edited] (QPID-7165) Allow query results to be
sorted and paginated
[ https://issues.apache.org/jira/browse/QPID-7165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15268692#comment-15268692 ]
Keith Wall edited comment on QPID-7165 at 5/31/16 1:18 PM:
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There is a defect in the order-by (and select) parsing when the input is in the form {{a + b}}. It seems the parser fails, but the exception is not reported (raised as separate JIRA QPID-7287)
was (Author: k-wall):
There is a defect in the order-by (and select) parsing when the input is in the form {{a + b}}. It seems the parser fails, but the exception is not reported.
> Allow query results to be sorted and paginated
> ----------------------------------------------
>
> Key: QPID-7165
> URL: https://issues.apache.org/jira/browse/QPID-7165
> Project: Qpid
> Issue Type: New Feature
> Components: Java Broker
> Reporter: Keith Wall
> Fix For: qpid-java-6.1
>
> Attachments: 0001-QPID-7165-Java-Broker-Allow-query-results-to-be-sort.patch, 0001-QPID-7165-Java-Broker-Allow-query-results-to-be-sort.patch, 0002-QPID-7165-Java-Broker-Allow-query-results-to-be-sort.patch, 0002-QPID-7165-Java-Broker-Allow-query-results-to-be-sort.patch, 0004-WIP.patch
>
>
> Extend the mechanism provided by QPID-6969 to allow for the results set to be sorted by one or more columns and results set to be paginated.
> For the ordering clause, we could use SQL:2011 ORDER BY clause as a guide e.g. {{orderBy='x ASC,y DESC,z'}}
> For the pagination, SQL standardisation does not include it. https://en.wikipedia.org/wiki/Select_%28SQL%29#Result_limits We could opt for {{limit=}} {{offset=}} like MySQL/Sybase. We could also consider HTTP Range headers.
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