a, i c, thank you so much for your hints, michele. best regards, stifan
On Friday, March 14, 2014 6:41:11 AM UTC+7, Michele Comitini wrote: > > From postgresql manual: > > http://www.postgresql.org/docs/current/static/functions-datetime.html > > > SELECT EXTRACT(WEEK FROM TIMESTAMP '2001-02-16 20:38:40'); > > Not supported by DAL expressions, but you can use executesql... > > 2014-03-14 0:26 GMT+01:00 黄祥 <steve.van...@gmail.com <javascript:>>: > > actually i wan to create a chart from that query : > > e.g. for year and month is work this way > > views/default/index.html > > {{sum_sale_order = db.sale_order_header.total.sum() }} > > {{query_yearly_sale_order = (db.sale_order_header.sale_order_date.year() > == > > request.now.year) }} > > {{sum_yearly_sale_order = > > > db(query_yearly_sale_order).select(sum_sale_order).first()[sum_sale_order] > > if db(query_yearly_sale_order).select() else 0}} > > > > but when it goes to week, it return and error. and pardon, i don't think > > this is related with database engine, because in php it can be achieved. > > e.g. OpenCart > > > > doing some test that work is : > > {{import datetime}} > > {{=datetime.date.today().isocalendar()[1]}} > > {{=request.now.isocalendar()[1]}} > > > > all return the same week number : 11 > > > > but i can't get it work when i passed the datetime field value into week > to > > compare with the value above. > > > > best regards, > > stifan > > > > -- > > Resources: > > - http://web2py.com > > - http://web2py.com/book (Documentation) > > - http://github.com/web2py/web2py (Source code) > > - https://code.google.com/p/web2py/issues/list (Report Issues) > > --- > > You received this message because you are subscribed to the Google > Groups > > "web2py-users" group. > > To unsubscribe from this group and stop receiving emails from it, send > an > > email to web2py+un...@googlegroups.com <javascript:>. > > For more options, visit https://groups.google.com/d/optout. > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
