Hello,
On Mon, 2021-08-09 at 02:16 +0000, Masih Tavassoli wrote:
> Hi experts,
>
> I am trying to find a way to decode a URL request header and extract
> its JSON fields in postgreql .
>
> I can do this in Oracle sql using
>
> select (utl_raw.cast_to_varchar2 (utl_encode.base64_decode(
> utl_raw.cast_to_raw (regexp_replace ( (
> 'eyJhbGciOiJSUzI1NiIsImtpZCI6InBhLWFwaS1zaWduIn0.eyJzY29wZSI6W10sInN1
> YiI6Imp1bGllQHNhcHBoaXJlY29udmV5YW5jaW5nLm5ldC5hdSIsImNsaWVudCI6InB4Y
> V9hY19zZXR0c3BsdXMiLCJ1c2VybmFtZSI6Imp1bGllQHNhcHBoaXJlY29udmV5YW5jaW
> 5nLm5ldC5hdSIsImV4cCI6MTU1NDA4NzU2N30.OZwVETCP+HUDsSkudCfa52eQT2Fyt6B
> gefFpYr5xpJROjZJeVnXtzsU6MS8aHauqyyOwQSz8iG6OC2YjYgrGiZ8YTwTh1uHptNji
> cyCFmCkh++d0oGdK78ZOKIAvuslW3GX4V13hPUJADzGLkyO8hy01YF9Id4+7GrvmnRRkw
> PO7C2eUvKTB8pxDAA94Jpw74s4BiNTmm1Uv+56AXqdI8m2KFkLNwGoUR3OSNvsifl5uxB
> sGGmP4wbgNe/Dy1q2UsL2eBAW/GuWryHGCRz1/PR2jIV1v21ClQ8YLiFAzM3YxHb8m2ng
> zRynKof+Nw3nZvuafRQ16MV5THz0ahGFYLA'
> ), '[[:space:]]', ''))))) from dual
>
>
>
> But there doesn't seem to be a way doing it in postgres.
>
> Has anyone got any suggesions?
>
> Thanks
> Masih
>
Have a look at the orafce extension on github.
It handles "select from dual", etc.
Cheers,
Rob