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https://issues.apache.org/jira/browse/CASSANDRA-13891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16425544#comment-16425544
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Benjamin Lerer commented on CASSANDRA-13891:
--------------------------------------------
[~jasobrown] I did not tested it on 2.2 and 3.0. I just assumed that we had
this bug since the begining. Nevertheless, I would prefer if we added the unit
tests to all the versions.
> 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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