You need to create an alias for your field. Look here: http://web2py.com/books/default/chapter/29/06/the-database-abstraction-layer?search=count%28%29#sum-avg-min-max-and-len
Massimiliano Il 28 ott 2021, 11:15:48, mostwanted <godirao...@gmail.com> ha scritto: > I am able to group them up using *(groupby) *e.g > (*products=db().select(db.sales.ALL, > orderby=db.sales.product.name <http://db.sales.product.name>, > groupby=db.sales.product.name <http://db.sales.product.name>)*) but now I > have a problem calculating the sum of each item's sold quantities. > > On Wednesday, October 27, 2021 at 8:27:50 PM UTC+2 Jim S wrote: > >> I have done this before, but not using SQLFORM.grid >> >> In a nutshell >> >> 1. Create table tag >> 2. create your table header >> 3. create a temp variable last_item_name and set to None >> 4. loop through all the data you're going to display >> 5. in the item_name column, check if the current item name is equal to >> last_item_name - if it is, put blanks in that cell, if not, put the item >> name >> 6. set last_item_name = current item name >> >> Not pretty or clever, more of a brute force way to get it to work. >> >> -Jim >> >> On Wednesday, October 27, 2021 at 9:56:28 AM UTC-5 Clemens wrote: >> >>> Have a look here: >>> >>> http://www.web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#groupby-having >>> >>> Combining this with: >>> >>> http://www.web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#sum-avg-min-max-and-len >>> >>> Is it what you need? >>> >>> Best regards >>> Clemens >>> >>> >>> On Wednesday, October 27, 2021 at 4:44:11 PM UTC+2 mostwanted wrote: >>> >>>> I have a sales database table that records items sold in a store, an >>>> item can appear several times in the table having been sold several times >>>> or in different days. What i wanna do is display this information in an >>>> html table in a view without the item names repeating also with the sold >>>> quantity summed up for every item that appears more than once, how can i >>>> achieve this? >>>> >>>> Regards >>>> >>> -- > 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/web2py/313a1e44-7044-4cd9-b603-d0659c73b04dn%40googlegroups.com > <https://groups.google.com/d/msgid/web2py/313a1e44-7044-4cd9-b603-d0659c73b04dn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/web2py/CANPTPxKxPBRqv1qMH2gY%3DQODM2eNk%3D8b4TUD0KoRKoeqgKt-%3Dg%40mail.gmail.com.
