Re: JSON for PG 9.2 - Mailing list pgsql-hackers

From Andrew Dunstan
Subject Re: JSON for PG 9.2
Date
Msg-id 4EEA6AF2.3090707@dunslane.net
Whole thread Raw
In response to Re: JSON for PG 9.2  (Simon Riggs <simon@2ndQuadrant.com>)
Responses Re: JSON for PG 9.2  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers

On 12/15/2011 01:34 PM, Simon Riggs wrote:
> On Tue, Dec 13, 2011 at 8:15 AM, Joey Adams<joeyadams3.14159@gmail.com>  wrote:
>
>> Issues we've encountered include:
>>
>>   * Should JSON be stored as binary or as text?
> Text

Works for me.

>>   * How do we deal with Unicode escapes and characters if the server or
>> client encoding is not UTF-8?  Some (common!) character encodings have
>> code points that don't map to Unicode.  Also, the charset conversion
>> modules do not provide fast entry points for converting individual
>> characters; each conversion involves a funcapi call.
> Make JSON datatypes only selectable if client encoding is UTF-8.

Yuck. Do we have this sort of restriction for any other data type?

ISTM that the encoding problem is at least as likely to be the reverse 
of what's above - i.e. that there's a code point in the stored JSON 
that's not represented in the client encoding.

cheers

andrew




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