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

Pavel Stehule <pavel.stehule@gmail.com>

From: Pavel Stehule <pavel.stehule@gmail.com>
To: Daniel Gustafsson <daniel@yesql.se>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Alvaro Herrera <alvherre@2ndquadrant.com>, Tomas Vondra <tomas.vondra@enterprisedb.com>, Justin Pryzby <pryzby@telsasoft.com>, Dean Rasheed <dean.a.rasheed@gmail.com>, Stephen Frost <sfrost@snowman.net>, Surafel Temesgen <surafel3000@gmail.com>, vignesh C <vignesh21@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2021-09-17T12:16:15Z
Lists: pgsql-hackers

Attachments

pá 17. 9. 2021 v 14:07 odesílatel Daniel Gustafsson <daniel@yesql.se>
napsal:

> > On 17 Sep 2021, at 13:59, Pavel Stehule <pavel.stehule@gmail.com> wrote:
> > pá 17. 9. 2021 v 13:56 odesílatel Daniel Gustafsson <daniel@yesql.se
> <mailto:daniel@yesql.se>> napsal:
> > > On 17 Sep 2021, at 13:51, Pavel Stehule <pavel.stehule@gmail.com
> <mailto:pavel.stehule@gmail.com>> wrote:
> > > pá 17. 9. 2021 v 13:42 odesílatel Daniel Gustafsson <daniel@yesql.se
> <mailto:daniel@yesql.se> <mailto:daniel@yesql.se <mailto:daniel@yesql.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@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/
>
>

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Fix array subscript warnings

  2. Read include/exclude commands for dump/restore from file

  3. Allow records to span multiple lines in pg_hba.conf and pg_ident.conf.