Hi Mark,
Thanks for the prompt reply. But it seems not working in my installation. I am using Jan2014 release. Is this function available in that bundle?
I got this message when I tried executing the above example.
$ ./bin/mclient -d testdb Welcome to mclient, the MonetDB/SQL interactive terminal (Jan2014) Database: MonetDB v11.17.9 (Jan2014), 'mapi:monetdb://vijay-1833:50000/crmdb' Type \q to quit, ? for a list of available commands auto commit mode: on sql>SELECT epoch(1456741924); SELECT: no such unary operator 'epoch(int)'
Please help me with what I'm missing here. Thanks a ton in advance.
Thanks & Regards,
Vijayakrishna.P. Mobile : (+91) 9500402305.
On Mon, Feb 29, 2016 at 4:02 PM, Mark Raasveldt mark.raasveldt@gmail.com wrote:
Hey Vijay,
The function sys.epoch converts an epoch value to a timestamp.
sql>SELECT epoch(1456741924); +----------------------------+ | epoch_single_value | +============================+ | 2016-02-29 10:32:04.000000 | +----------------------------+ 1 tuple (1.184ms)
Hope that helps,
Mark
On Mon, Feb 29, 2016 at 11:27 AM, Vijay Krishna <vijayakrishna55@gmail.com
wrote:
Yes, I have come across this solution, Robin.
But my problem involves *converting epoch (a bigint value) into Date or Timestamp*.
I went through the Temporal functions page and a few questions in the user thread in the past, but am unable to find a solution till now.
Any help much appreciated.
Thanks & Regards,
Vijayakrishna.P. Mobile : (+91) 9500402305.
On Mon, Feb 29, 2016 at 11:43 AM, Robin Cijvat < robin.cijvat@monetdbsolutions.com> wrote:
Hello,
There might be a way of constructing a timestamp in MonetDB from an epoch, but I can not think of one. Regarding the reference that you gave to unix_timestamp (generating date or times from strings): we have something similar in MonetDB, some examples:
SELECT str_to_date('23-09-1987', '%d-%m-%Y') AS "date", str_to_time('11:40', '%H:%M') AS "time", str_to_timestamp('23-09-1987 11:40', '%d-%m-%Y %H:%M') AS "timestamp";
+------------+----------+----------------------------+ | date | time | timestamp | +============+==========+============================+ | 1987-09-23 | 11:40:00 | 1987-09-23 11:40:00.000000 | +------------+----------+----------------------------+
On 28-02-16 07:28, Vijay Krishna wrote:
Hi, I am looking for an Epoch (bigint) to date/timestamp converter in MonetDB - something similar to unix_timestamp() in MySQL. I referred this page - https://www.monetdb.org/Documentation/SQLreference/Temporal and tried out a few functions, but it seems to work only with the existing Timestamp columns. Am I missing something here? I am using MonetDB Jan2014 release on a Mac OS-X. Any help much appreciated. Thanks & Regards, Vijayakrishna.P. Mobile : (+91) 9500402305.
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