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Posted to issues@drill.apache.org by "Arina Ielchiieva (JIRA)" <ji...@apache.org> on 2018/01/09 12:02:00 UTC

[jira] [Updated] (DRILL-5919) Add non-numeric support for JSON processing

     [ https://issues.apache.org/jira/browse/DRILL-5919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arina Ielchiieva updated DRILL-5919:
------------------------------------
    Labels: doc-impacting ready-to-commit  (was: doc-impacting)

> Add non-numeric support for JSON processing
> -------------------------------------------
>
>                 Key: DRILL-5919
>                 URL: https://issues.apache.org/jira/browse/DRILL-5919
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Storage - JSON
>    Affects Versions: 1.11.0
>            Reporter: Volodymyr Tkach
>            Assignee: Volodymyr Tkach
>              Labels: doc-impacting, ready-to-commit
>             Fix For: 1.13.0
>
>
> Add session options to allow drill working with non standard json strings number literals like: NaN, Infinity, -Infinity. By default these options will be switched off, the user will be able to toggle them during working session.
> *For documentation*
> 1. Added two session options {{store.json.reader.allow_nan_inf}} and {{store.json.writer.allow_nan_inf}} that allow to read/write NaN and Infinity as numbers. By default these options are set to true.
> 2. Extended signature of {{convert_toJSON}} and {{convert_fromJSON}} functions by adding second optional parameter that enables read/write NaN and Infinity.
> For example:
> {noformat}
> select convert_fromJSON('{"key": NaN}') from (values(1)); will result with JsonParseException, but
> select convert_fromJSON('{"key": NaN}', true) from (values(1)); will parse NaN as a number.
> {noformat}
> 3. Added unit tests, including tests for math functions.



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