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https://issues.apache.org/jira/browse/CASSANDRA-13891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16425891#comment-16425891
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Edward Ribeiro edited comment on CASSANDRA-13891 at 4/4/18 5:25 PM:
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[~jasobrown], the second test I created below fails with
{{{{NullPointerException}}}}, but everything passes after the little fix. FYI,
the test that fails on 2.2 and 3.0 is below:
{code:java}
execute("INSERT INTO %s (k, frozenmapval) VALUES (?, fromJson(?))", 0, null);
assertRows(execute("SELECT k, frozenmapval FROM %s WHERE k = ?", 0), row(0,
null));{code}
I have open the following PRs targeting 2.2 and 3.0, respectively. I don't have
access to a CI so it would be nice if you could run those tests. :)
[https://github.com/apache/cassandra/pull/215]
[https://github.com/apache/cassandra/pull/216]
Oh, and let me know if I missed something, please.
Thanks!
was (Author: eribeiro):
[~jasobrown], the second test I created below fails with
\{{NullPointerException}}, but everything passes after the little fix. I have
open the following PRs targeting 2.2 and 3.0, respectively. I don't have access
to a CI so it would be nice if you could run those tests. :)
[https://github.com/apache/cassandra/pull/215]
[https://github.com/apache/cassandra/pull/216]
Oh, and let me know if I missed something, please.
Thanks!
> fromJson(null) throws java.lang.NullPointerException on Cassandra
> -----------------------------------------------------------------
>
> Key: CASSANDRA-13891
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13891
> Project: Cassandra
> Issue Type: Bug
> Components: CQL
> Environment: Cassandra 3.11
> Reporter: Marcel Villet
> Assignee: Edward Ribeiro
> Priority: Minor
> Fix For: 4.0, 3.11.3
>
> Attachments: CASSANDRA-13891.patch
>
>
> Basically, {{fromJson}} throws a {{java.lang.NullPointerException}} when NULL
> is passed, instead of just returning a NULL itself. Say I create a UDT and a
> table as follows:
> {code:java}
> create type type1
> (
> id int,
> name text
> );
> create table table1
> (
> id int,
> t FROZEN<type1>,
> primary key (id)
> );{code}
> And then try and insert a row as such:
> {{insert into table1 (id, t) VALUES (1, fromJson(null));}}
> I get the error: {{java.lang.NullPointerException}}
> This works as expected: {{insert into table1 (id, t) VALUES (1, null);}}
> Programmatically, one does not always know when a UDT will be null, hence me
> expecting {{fromJson}} to just return NULL.
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