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Re: Interacting with PostgreSQL

From: Tim Landscheidt
Subject: Re: Interacting with PostgreSQL
Date: Tue, 24 Nov 2020 20:42:45 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux)

Marcin Borkowski <> wrote:

> not sure if this will help, but I sometimes use Org-mode to interact
> with Postgres:

> […]

I sometimes do as well, mainly for read-only queries, and it
has the very incentive benefit that one can add a bunch of
DONE tasks to the daily agenda view :-).  But for data mung-
ing I have two reservations:

- AFAICT, there is no way to execute the code block while
  editing.  So I have to either C-c ', edit, C-c ', C-c C-c,
  check the result, lather, rinse, repeat, finally uncomment
  COMMIT and C-c C-c, or edit the query "inline" which can
  be dangerous when pasting bulk data or replacing text be-
  cause it is easy to miss where the query ends.

- For non-idempotent queries (say, incrementing a column
  once for all rows), there are no safeguards against acci-
  dentally re-executing the query in the future.  So I would
  have to edit the query and evaluate the code block for
  testing, then uncomment the COMMIT, evaluate the code
  block, then comment the COMMIT again to be on the safe


P. S.: Just noticed that apparently :prologue and :epilogue
       are ignored in ob-sql.  I'll file a report for that.

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