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Since PG 8.2, @ and ~ have been deprecated aliases for the containment
operators @> and <@. It seems like enough time has passed to actually
remove them, so do so.
This completes the project begun in commit 2f70fdb06
. Note that in
the core types, the relation to the preferred operator names was
reversed from what it is in these contrib modules. The confusion
that induced was a large part of the reason for deprecation.
Justin Pryzby
Discussion: https://postgr.es/m/20201027032511.GF9241@telsasoft.com