Bruce Momjian <br...@momjian.us> writes:
> Is there a reason we don't use pg_type.typcategory to detect arrays in
> Postgres 8.4? Right now I see this in pg_dump.c:
typcategory is user-assignable and thus not too reliable; furthermore
it wouldn't prove that the type is the array type for its typelem.
(Consider things like point and name --- there can be multiple types
with the same typelem, but only one is the real array type for that
typelem.) The typelem back-link check is much safer.
regards, tom lane
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