[jira] [Updated] (PHOENIX-2324) Decimal data sent by Avatica cannot be interpreted by some clients

["Kevin Liew (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PHOENIX-2324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kevin Liew updated PHOENIX-2324:
--------------------------------
    Summary: Decimal data sent by Avatica cannot be interpreted by some clients  (was: Decimal data sent by Avatica does not adhere to JSON specs)

> Decimal data sent by Avatica cannot be interpreted by some clients
> ------------------------------------------------------------------
>
>                 Key: PHOENIX-2324
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2324
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.5.2
>            Reporter: Kevin Liew
>              Labels: avatica, calcite, decimal, double, json, number, phoenix, queryserver, wireprotocol
>
> JSON specifies a 'number' data type which does not differentiate between integer and floating-point values. Libraries such as RapidJSON can treat all non-integer values as 'double' while still being compliant with JSON specifications. As a result, decimal values sent by Phoenix  will lose precision on the client side. 
> Decimal data should be sent as a string to adhere with JSON specifications. If it is sent as a number, it cannot be expected that all JSON-spec compliant library will handle it properly. 
> ie. Phoenix sends a decimal as a JSON number, but Rapidjson can only  extract JSON numbers as integer or double.



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