Re: Is `DATE` a function? - Mailing list pgsql-novice

From Cory Albrecht
Subject Re: Is `DATE` a function?
Date
Msg-id CAMW5rYLbjRn_WL8kGQDbt6CtivFnFNJyavZRAvXidgEEHDt-YA@mail.gmail.com
Whole thread Raw
In response to Is `DATE` a function?  (jinser <aimer@purejs.icu>)
List pgsql-novice
Rather than `SELECT DATE();` you likely want `SELECT NOW();`

On Sat, Oct 7, 2023, 09:20 jinser <aimer@purejs.icu> wrote:
Hello, Friends,

Use it like a normal function:

playground=# SELECT DATE();
ERROR:  function date() does not exist
LINE 1: SELECT DATE();
               ^
HINT:  No function matches the given name and argument types. You
might need to add explicit type casts.

playground=# SELECT DATE('2022-01-13');
    date
------------
 2022-01-13
(1 row)

Another reason I think this is a function is that other types don't
seem to have the same behavior:

playground=# SELECT integer('123');
ERROR:  syntax error at or near "("
LINE 1: SELECT integer('123');
                      ^

The Table 9.33. Date/Time Functions in the documentation
(https://www.postgresql.org/docs/16/functions-datetime.html#FUNCTIONS-DATETIME-TABLE)
doesn't mention this...
If I missed it, where should I find the description? Or maybe it
actually should be in this table?

Thanks in advance.


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