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Re: Foreign Data Wrapper for filesystem

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On Wed, Feb 15, 2017 at 10:20 AM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
"=?UTF-8?Q?Leonardo_M._Ram=c3=a9?=" <l.rame@xxxxxxxxxxx> writes:
> Hi, I'm looking for a FDW that allows listing a directory as a database
> table allowing me to check if file exists, does anyonke know if such FDW
> exists?.

Why not use pg_ls_dir()?  An FDW would be mighty awkward to use for this
purpose, even if one existed.

​It cannot be used for an arbitrary directory:
" Only files within the database cluster directory and the log_directory can be accessed. "
 

                        regards, tom lane

​Personally, I don't know what use such a function would be. It would be executed on the _SERVER_, not the client. And that is probably why the pg_ls_dir() is restricted. If it weren't it could be a security (or privacy) violation.​

-- 
"Irrigation of the land with seawater desalinated by fusion power is ancient. It's called 'rain'." -- Michael McClary, in alt.fusion

Maranatha! <><
John McKown

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