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From "Benjamin Lerer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-14377) Returning invalid JSON for NaN and Infinity float values
Date Tue, 17 Apr 2018 08:40:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-14377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benjamin Lerer updated CASSANDRA-14377:
---------------------------------------
    Status: Patch Available  (was: Open)

> Returning invalid JSON for NaN and Infinity float values
> --------------------------------------------------------
>
>                 Key: CASSANDRA-14377
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14377
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL
>            Reporter: Piotr Sarna
>            Assignee: Benjamin Lerer
>            Priority: Minor
>
> After inserting special float values like NaN and Infinity into a table:
> {{CREATE TABLE testme (t1 bigint, t2 float, t3 float, PRIMARY KEY (t1));}}
> {{INSERT INTO testme (t1, t2, t3) VALUES (7, NaN, Infinity);}}
> and returning them as JSON...
> {{cqlsh:demodb> select json * from testme;}}
> {{ [json]}}
> {{--------------------------------------}}
> {{ \{"t1": 7, "t2": NaN, "t3": Infinity}}}
>  
> ... the result will not be validated (e.g. with [https://jsonlint.com/|https://jsonlint.com/)]
) because neither NaN nor Infinity is a valid JSON value. The consensus seems to be returning
JSON's `null` in these cases, based on this article [https://stackoverflow.com/questions/1423081/json-left-out-infinity-and-nan-json-status-in-ecmascript]
and other similar ones.



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