Re: Date-Time dangling unit fix

Joseph Koshakow <koshy44@gmail.com>

From: Joseph Koshakow <koshy44@gmail.com>
To: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-12-11T15:41:27Z
Lists: pgsql-hackers

Attachments

On Sun, Dec 11, 2022 at 10:29 AM Joseph Koshakow <koshy44@gmail.com> wrote:
>
> Hi all,
>
> Attached is a patch to fix a parsing error for date-time types that
> allow dangling units in the input. For example,
> `date '1995-08-06 m y d'` was considered a valid date and the dangling
> units were ignored.
>
> Intervals also suffer from a similar issue, but the attached patch
> doesn't fix that issue. For example,
> `interval '1 day second month 6 hours days years ago'` is parsed as a
> valid interval with -1 days and -6 hours. I'm hoping to fix that in a
> later patch, but it will likely be more complicated than the other
> date-time fixes.
>
> - Joe Koshakow

I think I sent that to the wrong email address.

Commits

  1. Tighten error checks in datetime input, and remove bogus "ISO" format.

  2. Measure the current transaction time to milliseconds.