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Posted to dev@qpid.apache.org by "Alex Rudyy (JIRA)" <ji...@apache.org> on 2016/04/20 14:46:25 UTC

[jira] [Resolved] (QPID-7205) [Java Broker] Query API returns empty strings for headers representing expressions like $parent.name etc

     [ https://issues.apache.org/jira/browse/QPID-7205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Rudyy resolved QPID-7205.
------------------------------
    Resolution: Invalid

Query API generates empty header when alias is not provided in the expression. It is an expected behavior. If non-empty header is required, the alias should be provided. More over header is merely a label for the  column data and it is acceptable to have multiple duplicate headers. The client application calling Query API should not make any assumption on header presence or  uniqueness of headers. Instead, it should operate with indexes to fetch column data.

> [Java Broker] Query API returns empty strings for headers representing expressions like $parent.name etc
> --------------------------------------------------------------------------------------------------------
>
>                 Key: QPID-7205
>                 URL: https://issues.apache.org/jira/browse/QPID-7205
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: qpid-java-6.1
>            Reporter: Alex Rudyy
>            Priority: Minor
>
> Query API returns empty strings for headers representing expressions like $parent.name etc



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