| From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> | 
|---|---|
| To: | Mathias Mayrhofer <mtmayr(at)mtmayr(dot)com>, pgsql-general(at)postgresql(dot)org | 
| Subject: | Re: escape vs. bytea in config | 
| Date: | 2023-03-07 12:35:09 | 
| Message-ID: | 7c9dddd89d923275e9b5083100f75dfa4f169e9d.camel@cybertec.at | 
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| Lists: | pgsql-general | 
On Tue, 2023-03-07 at 11:53 +0100, Mathias Mayrhofer wrote:
> -- /etc/postgresql/14/main/postgresql.conf
> -- bytea_output = 'escape'
> 
> db=> select encode(digest('mtmayr', 'sha256'), 'escape');
> ┌────────────────────────────────────────────────────────────────────────────────────────────┐
> │                                           encode                                           │
> ├────────────────────────────────────────────────────────────────────────────────────────────┤
> │ \277\x19\225\335g\307\224\337-\347Y\203\254\324\x1Ff\307Ph*\267\\\243\2515S\213WX\204\375G │
> └────────────────────────────────────────────────────────────────────────────────────────────┘
> 
> db=> select digest('mtmayr', 'sha256');
> ┌────────────────────────────────────────────────────────────────────────────────────────────┐
> │                                           digest                                           │
> ├────────────────────────────────────────────────────────────────────────────────────────────┤
> │ \277\031\225\335g\307\224\337-\347Y\203\254\324\037f\307Ph*\267\\\243\2515S\213WX\204\375G │
> └────────────────────────────────────────────────────────────────────────────────────────────┘
> 
> --    ^^  differences                             ^^^^
They are actually the same: octal 31 is hexadecimal 19.
The difference is between the "encode" function and the type putput function of "bytea".
Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com
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