Removing comments from pg_dump output

I've just submitted this patch for Postgres 11+ (still under consideration) that should allow one to dump without COMMENTS (until an ideal solution is in place) which should be a slightly better kludge than the ones we resort to using.

If there are enough voices, it may even get back-patched to Postgres 10!

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[UPDATE]

This is now a feature in Postgres v11+

On a UNIX type operating system, I would do it like this:

pg_dump [options] mydatabase | sed -e '/^--/d' >mydatabase.dmp

This could accidentally swallow data lines that start with --. To work around that problem, use the --inserts option of pg_dump.