On Sat, Mar 27, 2021 at 1:06 PM Justin Pryzby <pry...@telsasoft.com> wrote:
>
> The current docs seem to be missing a "synopsis", like
>
> +<synopsis>
> +date_trunc(<replaceable>stride</replaceable>,
<replaceable>timestamp</replaceable>, <replaceable>origin</replaceable>)
> +</synopsis>

The attached
- adds a synopsis
- adds a bit more description to the parameters similar to those in
date_trunc
- documents that negative intervals are treated the same as positive ones

Note on the last point: This just falls out of the math, so was not
deliberate, but it seems fine to me. We could ban negative intervals, but
that would possibly just inconvenience some people unnecessarily. We could
also treat negative strides differently somehow, but I don't immediately
see a useful and/or intuitive change in behavior to come of that.

--
John Naylor
EDB: http://www.enterprisedb.com

Attachment: synopsis-and-add-to-description.patch
Description: Binary data

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