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Re: Permission denied in file_fdw (Windows)

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Hi,

On 5.12.2012 00:39, Stefan Keller wrote:
> Hi
> 
> I'm getting an error when reading from a file_fdw table in a Windows
> environment.
> Any hints? (see below).

Well, the file clearly isn't accessible by the postgres user (or
whatever user you're using in Windows). The file is opened from a
PostgreSQL backend process, not using your regular user.

> And http://www.postgresql.org/docs/9.1/static/file-fdw.html is not
> really verbose :->
> At least following format options should be mentioned: 'xml', 'text',
> 'csv', 'binary'.

It clearly states that "format" accepts the same values as COPY and even
provides a link to COPY documentation. Placing this kind of details onto
both pages would be just maintenance burden.

> Yours, Stefan
> 
> 
> That's what I'm doing:
> 
> CREATE EXTENSION file_fdw;
> 
> CREATE SERVER file_server FOREIGN DATA WRAPPER file_fdw;
> 
> CREATE FOREIGN TABLE foreignfiletable(id text, title text)
> SERVER file_server
> OPTIONS(format 'csv', header 'true', filename
> 'C:/Users/someuser/Downloads/file.csv', delimiter '|', null '');
> 
> SELECT * FROM foreignfiletable;
> -- ERROR:  file »C:/Users/someuser/Downloads/file.csv« could not be
> opened for reading: Permission denied.

What else could PostgreSQL tell you? It tried to open the file, did a
regular open() or something like that and it failed with EACCES error
code. That's all the info there is.

Tomas



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