Re: difference between current_timestamp and now() in quotes

Grzegorz Jaśkiewicz escribió:

> test2=# insert into dupa(a) select 'current_timestamp' from
> generate_series(1,100);
> ERROR:  date/time value "current" is no longer supported
> LINE 1: insert into dupa(a) select 'current_timestamp' from generate...
>                                    ^
> test2=# insert into dupa(a) select 'now()' from generate_series(1,100);
> INSERT 0 100
>
>
> Any ideas why the difference ?

The parser handles CURRENT_TIMESTAMP (and others) specially, and doesn't
recognize it in quotes.  I don't know why 'now()' works; I think it is a
literal of type unknown.  I guess it's expanded to the actual value in
later parsing stages.

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Alvaro Herrera                                http://www.CommandPrompt.com/
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