Re: Can't quote_literal with COPY FROM PROGRAM

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: Mark Mikulec <mark(at)mikutech(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: Can't quote_literal with COPY FROM PROGRAM
Date: 2018-12-31 20:52:29
Message-ID: daa5451d-fad6-44cb-c906-5e0e3aec7550@aklaver.com
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On 12/31/18 9:36 AM, Mark Mikulec wrote:
> Hi,
>
> This command, which generates a JSON object as output, has some escaped
> data with backslashes: (see line 91 here: https://pastebin.com/D4it8ybS)
>
> C:\\Portable\\curl\\curl.exe -k
> "https://maps.googleapis.com/maps/api/directions/json?etcVariablesDeleted"'
>
> I use the COPY command to pull it into a temp table like so:
>
> COPY temp_maps_api from program 'C:\\Portable\\curl\\curl.exe -k
> "https://maps.googleapis.com/maps/api/directions/json?etcVariablesDeleted"';

So temp_maps_api has a single JSON field?

>
> However copy eats those backslashes. I need to use quote_literal() but
> that's a syntax error. For some reason the COPY command doesn't allow
> for ESCAPE to work with programs, only CSV.
>
> I tried using WITH BINARY but I get the error message: "COPY file
> signature not recognized"
>
> Does anyone know how to make COPY FROM PROGRAM take the output literally?
>
> Thanks,
>   Mark
> ᐧ

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

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