Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> !indislive indexes are created during DROP INDEX CONCURRENTLY. Thats a
> different case than CREATE INDEX CONCURRENTLY. Accessing their
> definition is actually problematic because i can vanish while youre
> examing it which could cause errors both in the backend and in pg_dump.
That's true of any index, not just !indislive ones. If you're doing DDL
during a pg_dump, and that makes it fail, you get to keep both pieces.
regards, tom lane