It is generally not advisable to write to system catalogs directly ...
However, I have a database with dozens of schemas and hundreds of
tables. There is a bunch of useless comments on columns I want to get
rid of, scattered all across the db. The fastest & easiest way would
DELETE FROM pg_description WHERE description = 'My very special
totally useless comment.';
AFAICS, there are no side-effects. Are there any?
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