That's kind of annoying, would it make sense to support casting a timestamp
to an INT? That seems like it might be the most straightforward.

Chris Matta
[email protected]
215-701-3146

On Mon, Jun 15, 2015 at 11:13 AM, Andries Engelbrecht <
[email protected]> wrote:

> Can use unix_timestamp, challenge is that Drill timestamp has millisec
> that causes issues. SO you can truncate the millisec.
>
> I.e.
>
> select to_timestamp(1432912733),
> unix_timestamp(substr(to_timestamp(1432912733),1,19)) from `sys`.`version`;
>
>
> +------------------------+-------------+
> |         EXPR$0         |   EXPR$1    |
> +------------------------+-------------+
> | 2015-05-29 15:18:53.0  | 1432912733  |
> +------------------------+——————+
>
>
> If you don’t truncate the millsec it causes an error. Perhaps there is
> another function that can handle millisec and not require the string
> function.
>
>
> select to_timestamp(1432912733), unix_timestamp(to_timestamp(1432912733))
> from `sys`.`version`;
>
> Error: SYSTEM ERROR: java.lang.IllegalArgumentException: Invalid format:
> "2015-05-29 15:18:53.000" is malformed at ".000”
>
> —Andries
>
>
>
> On Jun 15, 2015, at 7:18 AM, Christopher Matta <[email protected]> wrote:
>
> > Is there a way to convert a timestamp string to unix time?
> >
> > Chris Matta
> > [email protected]
> > 215-701-3146
>
>

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