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?)
hp
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