[jira] [Updated] (ARROW-4700) [C++] Add DecimalType support to JSON parser

["Antoine Pitrou (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-4700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou updated ARROW-4700:
----------------------------------
    Fix Version/s: 1.0.0

> [C++] Add DecimalType support to JSON parser
> --------------------------------------------
>
>                 Key: ARROW-4700
>                 URL: https://issues.apache.org/jira/browse/ARROW-4700
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Benjamin Kietzman
>            Assignee: Benjamin Kietzman
>            Priority: Minor
>             Fix For: 1.0.0
>
>
> This should be simple to add, since decimals can already be parsed from strings. Decimals will be represented in JSON as strings. If a decimal with different precision or scale is parsed from the string, should there be any acceptable conversions? (for example, if the column is of type {{decimal(5, 2)}} should {{"12.3"}} be an error or equivalent to {{"012.30"}}?)



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