On 23/10/2019 17:30, Ron wrote:
On 10/23/19 11:27 AM, Geoff Winkless wrote:
On Wed, 23 Oct 2019 at 17:20, Geoff Winkless <pgsqladmin@xxxxxxxx> wrote:
For what it's worth, I can see a value to having
SELECT 'this is quite a long string'
'which I've joined together '
'across multiple lines';
although the advantage of it vs using a concat operator is slim.
As an aside, Postgres isn't the only DB to follow the standard here.
mysql> select 'hello'
-> ' there';
+-------------+
| hello |
+-------------+
| hello there |
+-------------+
This is the kind of weird stuff that we mocked mysql for.
This too would have been roundly mocked if discovered in mysql:
postgres=# select to_date('2018150X','YYYYMMDD');
to_date
------------
2019-03-03
(1 row)
The main difference being that we mocked MySQL because it BROKE the
standard requirements in bespoke, arguably lazy/stupid/dangerous ways
(and often undocumented as a result).
You ran into a gotcha of the SQL specification; in your shoes I'd
instead appreciate the fact that the PG maintainers went out of their
way and documented this spec weirdness as such in their own project when
they could have just went "look into the specification for oddities".
MySQL silently truncated your overflowing string for years without as
much as a warning, by default. In my book that broke specification, rule
of least surprise, data safety and a lot more.
--
Regards
Fabio Ugo Venchiarutti
OSPCFC Network Engineering Dpt.
Ocado Technology
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