Re: range type expression syntax

On Thu, 26 Feb 2015 15:11:28 -0500, John Turner <jjturner(at)energi(dot)com>
wrote:

> Seems I'm missing a trick trying to get rangetypes working:
>
> No problem building the string:
> select concat('''[', now()::date, ',', now()::date, ']''') testrange;
> testrange
> ---------------------------
> '[2015-02-26,2015-02-26]'
> (1 row)
>
> Bombed-out trying to turn this into a daterange:
> postgres=# select concat('''[', now()::date, ',', now()::date,
> ']''')::daterange testrange;
> ERROR: malformed range literal: "'[2015-02-26,2015-02-26]'"
> DETAIL: Missing left parenthesis or bracket.
>
> Is there a specific casting I need to apply in order to render a literal
> daterange from parameterized range elements?
>
> /john
>
>
Sorry - too quick to post, I realize there was no need to wrap the
expression in extra quotes:

postgres=# select concat('[', now()::date, ',', now()::date,
']')::daterange testrange;
testrange
-------------------------
[2015-02-26,2015-02-27)
(1 row)