On Wed, Mar 29, 2023 at 3:45 PM Tom Lane <t...@sss.pgh.pa.us> wrote:

> Dominique Devienne <ddevie...@gmail.com> writes:
> > Hi. Selecting/fetching an empty 1D array using a binary-mode PGresult,
> > gives me back 12 bytes, and the first 4, the rank, is 0, something I was
> > not expecting.
>
> Yeah, empty arrays have zero dimensions.
>
> > PS: On a side note; where can I find the sending code for arrays?
> > I didn't find the usual _send() and _recv() functions (but looking on
> > github online...)
>
>
> https://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/utils/adt/arrayfuncs.c;h=87c987fb2704761c59333bf8c1fee47e5c14c598;hb=HEAD#l1583


Great. Thanks Tom. --DD

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