David Fetter <da...@fetter.org> writes:
> On Thu, Feb 23, 2017 at 05:55:37PM -0500, Bruce Momjian wrote:
>> Is there a reason we chose hex over base64?
> Whether there was or not, there's not a compelling reason now to break
> people's software. When people want compression, methods a LOT more
> effective than base64 are common. Gzip, for example.
Yeah. I think the argument for hex was about readability. It's certainly
not more compact than the traditional "escape" format --- and depending on
what your data is like, base64 probably wouldn't be either.
If you want small, you'd go for binary transmission first, and then maybe
gzip it.
I really don't see any compelling argument for base64 except possibly
exchangability with other systems. But if we stuck a header on it, which
I think we'd have to do to make it reliably distinguishable from the other
bytea formats, that argument goes down the drain.
regards, tom lane
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