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https://issues.apache.org/jira/browse/ASTERIXDB-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15315363#comment-15315363
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ASF subversion and git services commented on ASTERIXDB-1131:
------------------------------------------------------------
Commit 91a840d5bbd95a5c31b9f2b9224af53f8c585399 in incubator-asterixdb's branch
refs/heads/master from [~buyingyi]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-asterixdb.git;h=91a840d ]
ASTERIXDB-1131 and ASTERIXDB-1230: add regression tests.
Change-Id: I3b520d27e2c9ea2fbbd0cf5fbbcfa6d24ed094d9
Reviewed-on: https://asterix-gerrit.ics.uci.edu/907
Reviewed-by: Jenkins <jenk...@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenk...@fulliautomatix.ics.uci.edu>
Reviewed-by: Jianfeng Jia <jianfeng....@gmail.com>
Reviewed-by: Ildar Absalyamov <ildar.absalya...@gmail.com>
> The function-generated Null is omitted when construct a List
> ------------------------------------------------------------
>
> Key: ASTERIXDB-1131
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-1131
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: Data Model
> Reporter: Jianfeng Jia
> Assignee: Yingyi Bu
>
> I hit a failed test case in which I was building a list with the elements
> generated from a build-in function, as below,
> for $a in [
> starts-with("xyz", null),
> starts-with("xy", "x")
> ]
> return $a
> If any of the elements is Null, it will be omitted in the returned list, e.g.
> the above query returns the following result:
> [ true
> ]
> However if I explicitly add a null in the list, all the Nulls will be
> returned.
> the following query:
> for $a in [
> null,
> starts-with("xy", null),
> starts-with("xy", "x")
> ]
> return $a
> will return the expected result:
> [ null
> , null
> , true
> ]
> It applies for other similar functions which return an option value.
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