Hi Saul,
I need to use C++ and I'm not writing a web application.
Thanks anyway.
Kandy
I have done queries to the database in PHP with variables like month but
easily can select from a range of time and data to produce the same
results, the output goes directly to the web so if that is what
Hi Kandy,
this could be the query you are looking for. It should return record
with the closest timestamp to your required time:
(SELECT TIMEDIFF('20080815091907', timestamp_column) AS diff, t.* FROM
table1 t
WHERE timestamp_column = '20080815091907'
ORDER BY timestamp_column DESC LIMIT 1
)
Kandy Wong wrote:
Hi Saul,
I need to use C++ and I'm not writing a web application.
Thanks anyway.
you can do something like:
select min(abs(timediff(targettime,timestamp))) from table where
condition ;
if you use the libmysql you can get the result as strings back (the method i
Kandy Wong wrote:
And what is the good connector (C++ to MySQL) to use?
MySQL++ (http://tangentsoft.net/mysql++/) has native Date, Time, and
DateTime data types. You can convert to these types implicitly:
mysqlpp::DateTime dt = row[my_column];
Row::operator[] doesn't return
I'm puzzled by the layout of your table, if that's what you're showing us. Is
the timestamp in the table truly associated with the time at which the user
put in his approximate time?
If, for example, the user types in 04:05:07 at 04:03:02, and then types in
04:02:59 at 04:03:03, what is it
Hi Dusan,
Thank you so much. It works!
Kandy
Hi Kandy,
this could be the query you are looking for. It should return record
with the closest timestamp to your required time:
(SELECT TIMEDIFF('20080815091907', timestamp_column) AS diff, t.* FROM
table1 t
WHERE timestamp_column =
I have done queries to the database in PHP with variables like month but
easily can select from a range of time and data to produce the same
results, the output goes directly to the web so if that is what you are
seeking for, I can help with PHP.
Saul
Kandy Wong wrote:
Hi,
I need to write
