Re: proposal: possibility to read dumped table's name from file

pá 17. 9. 2021 v 14:07 odesílatel Daniel Gustafsson <daniel(at)yesql(dot)se>
napsal:

> > On 17 Sep 2021, at 13:59, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> wrote:
> > pá 17. 9. 2021 v 13:56 odesílatel Daniel Gustafsson <daniel(at)yesql(dot)se
> <mailto:daniel(at)yesql(dot)se>> napsal:
> > > On 17 Sep 2021, at 13:51, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com
> <mailto:pavel(dot)stehule(at)gmail(dot)com>> wrote:
> > > pá 17. 9. 2021 v 13:42 odesílatel Daniel Gustafsson <daniel(at)yesql(dot)se
> <mailto:daniel(at)yesql(dot)se> <mailto:daniel(at)yesql(dot)se <mailto:daniel(at)yesql(dot)se>>>
> napsal:
>
> > > I am unable to write a filter statement which can
> > > handle this relname:
> > >
> > > CREATE TABLE "a""
> > > ""b" (a integer);
> > >
> > > Are you able to craft one for that?
> > >
> > > I am not able to dump this directly in pg_dump. Is it possible?
> >
> > Sure, see below:
> >
> > $ ./bin/psql filter
> > psql (15devel)
> > Type "help" for help.
> >
> > I didn't ask on this
> >
> > I asked if you can use -t and some for filtering this name?
>
> I didn't try as I don't see how that's relevant? Surely we're not
> limiting the
> capabilities of a filtering file format based on the quoting semantics of a
> shell?
>

this patch just use existing functionality, that can be buggy too.

but I had a bug in this part - if I detect double double quotes on input I
have to send double quotes to output too.

It should be fixed in attached patch

[pavel(at)localhost pg_dump]$ echo 'include table "a""\n""b"' | ./pg_dump
--filter=-
--
-- PostgreSQL database dump
--

-- Dumped from database version 15devel
-- Dumped by pg_dump version 15devel

> --
> Daniel Gustafsson https://vmware.com/
>
>