Re: date_trunc() in a specific time zone - Mailing list pgsql-hackers

On 29/10/2018 16:36, Tom Lane wrote:
> Andreas Karlsson <andreas@proxel.se> writes:
>> Hm, I am not sure if I see any major win from writing
>> date_trunc('day', timestamptz '2001-02-16 20:38:40+00', 'Australia/Sydney')
>> instead of
>> date_trunc('day', timestamptz '2001-02-16 20:38:40+00' AT TIME ZONE 
>> 'Australia/Sydney')
> 
> The latter would give you timestamp without time zone, whereas I think
> what Vik wants is timestamp with time zone.  Yeah, you could then convert
> it back with a second application of AT TIME ZONE 'Australia/Sydney',
> but that's both inefficient

Hmm, converting it back is exactly what my function does...

> and mighty confusing.

This is my justification for needing the patch.
-- 
Vik Fearing                                          +33 6 46 75 15 36
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