Re: copy file from a client app to remote postgres isntance

On 11/9/22 10:17, Peter J. Holzer wrote:
> On 2022-11-07 14:40:40 -0600, Ron wrote:
>> On 11/7/22 10:57, Вадим Самохин wrote:
>> I have an application that must copy a local file in csv format to a
>> postgres table on a remote host. The closest solution is this one (https://
>> stackoverflow.com/a/9327519/618020) It boils down to specifying a \copy
>> meta-command in a psql command:
>>
>> psql -U %s -p %s -d %s -f - <<EOT\n here hoes a \copy meta-command \nEOT\n
>>
>>
>> and executing it. But it's quite an unnatural way to write database code. Has anything changed in the last ten years? Or, is there a better way to copy file contents in a remote database?
>>
>>
>> I'd write a small Python script, using the csv module to read the data and
>> psycopg2 to load it.
> If you use insert statements it will be significantly slower (which may
> not matter for small files or one-off actions). If you use copy_from()
> you don't have to parse it (but then why use Python at all?)

If OP does not want to embed psql in his app, then he must find a different
solution.  Python is such an option.

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