Re: patch: Add JSON datatype to PostgreSQL (GSoC, WIP)
Itagaki Takahiro <itagaki.takahiro@gmail.com>
From: Itagaki Takahiro <itagaki.takahiro@gmail.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Joseph Adams <joeyadams3.14159@gmail.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-09-18T03:12:41Z
Lists: pgsql-hackers
On Sat, Sep 18, 2010 at 11:46 AM, Robert Haas <robertmhaas@gmail.com> wrote: > <itagaki.takahiro@gmail.com> wrote: >> One of my proposal is we don't have to keep the original input text. >> We store JSON data in effective internal formats. If users want to get >> human-readable output, they can use stringify() with indentation option. > > There's a trade-off here: this will make some things faster, but other > things slower. Probably some discussion of the pros and cons is in > order. I didn't intended to introduce non-text internal formats. The original patch spent some codes to keep all of whitespaces as-is in the input. But I'd say we can simplify it. Except whitespaces, normalization of strings and numbers might be problem when we support JSON comparison operators -- comparison of Unicode escaped characters in strings or 0 vs. 0.0 in numbers. -- Itagaki Takahiro