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Posted to commits@cassandra.apache.org by "Ekaterina Dimitrova (Jira)" <ji...@apache.org> on 2019/11/21 14:08:00 UTC
[jira] [Assigned] (CASSANDRA-15435) SELECT JSON does not return the
correct value for empty blobs
[ https://issues.apache.org/jira/browse/CASSANDRA-15435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ekaterina Dimitrova reassigned CASSANDRA-15435:
-----------------------------------------------
Assignee: Ekaterina Dimitrova
> SELECT JSON does not return the correct value for empty blobs
> -------------------------------------------------------------
>
> Key: CASSANDRA-15435
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15435
> Project: Cassandra
> Issue Type: Bug
> Components: CQL/Interpreter
> Reporter: Benjamin Lerer
> Assignee: Ekaterina Dimitrova
> Priority: Normal
>
> In an attempt to fix the side effect of a problem CASSANDRA-13868 was committed in 2.2.11, 3.0.15, 3.11.1 and trunk.
> This patch introduced an issue on how empty values were rendered by {{SELECT JSON}} queries.
> Instead of returning the correct value for the type a null value was now returned.
> A user detected that problem for text column and opened CASSANDRA-14245 to request a fix for that problem. Unfortunately, I misunderstood the problem and the fix did not solve the real problem. It only made the code return 'an empty string instead of null values.
> The proper fix is to rollback the changes made for CASSANDRA-13868 and CASSANDRA-14245.
> Some unit tests also need to be added to test the behavior.
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