Re: Make COPY format extendable: Extract COPY TO format implementations

David G. Johnston <david.g.johnston@gmail.com>

From: "David G. Johnston" <david.g.johnston@gmail.com>
To: Masahiko Sawada <sawada.mshk@gmail.com>
Cc: Sutou Kouhei <kou@clear-code.com>, "tgl@sss.pgh.pa.us" <tgl@sss.pgh.pa.us>, "zhjwpku@gmail.com" <zhjwpku@gmail.com>, "michael@paquier.xyz" <michael@paquier.xyz>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2025-03-22T17:11:10Z
Lists: pgsql-hackers
On Fri, Mar 21, 2025 at 10:23 PM David G. Johnston <
david.g.johnston@gmail.com> wrote:

> Then this would benefit from the new function I suggest creating since it
> apparently has the same, IMO, bug.
>
>
Concretely like I posted here:
https://www.postgresql.org/message-id/CAKFQuwYBTcK+uW-BYFChHP8HYj0R5+UpytGmdqEvP9PHCSZ+-g@mail.gmail.com

David J.

Commits

  1. Refactor Copy{From|To}GetRoutine() to use pass-by-reference argument.

  2. Refactor COPY FROM to use format callback functions.

  3. Refactor COPY TO to use format callback functions.

  4. Another try to fix BF failure introduced in commit ddd5f4f54a.

  5. Revert "Refactor CopyReadAttributes{CSV,Text}() to use a callback in COPY FROM"

  6. Improve COPY TO performance when server and client encodings match

  7. Simplify signature of CopyAttributeOutCSV() in copyto.c

  8. Revert "Refactor CopyAttributeOut{CSV,Text}() to use a callback in COPY TO"

  9. Refactor CopyAttributeOut{CSV,Text}() to use a callback in COPY TO

  10. Refactor CopyReadAttributes{CSV,Text}() to use a callback in COPY FROM

  11. Add progress reporting of skipped tuples during COPY FROM.

  12. pgbench: Add \syncpipeline

  13. meson: Make gzip and tar optional

  14. Export the external file reader used in COPY FROM as APIs.