I want to clean all large objects created by users and I'm using the following script:
SELECT lo_unlink(l.loid) FROM pg_largeobject l
Is it safe operation? Does postgresql use large objects for it's internal use? Thanks.
Does PostgreSQL use pg_largeobject table internally?
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That is quite safe as far as PostgreSQL is concerned.
It is always OK to select from a system catalog, and
lo_unlinkis safe.PostgreSQL doesn't use large objects internally.