thanks for the suggestion this is what iam trying to achieve
db (db.material_issue.product_id==created_temporary_table.product_id).select (db.material_issue.product_id,created_temporary_table.name,db.material_issue.issued_qty) On Jul 29, 11:21 am, Fran <francisb...@googlemail.com> wrote: > On Jul 29, 3:14 pm, phneoix <neo.stea...@gmail.com> wrote: > > > i hope iam not confusing you guys. > > No, this is very clear & makes sense. > > My first thought would be to merge all the lookup tables into 1 & add > a 'type' column, but I guess you can't do that? > > Temporarytables aren't always > recommended:http://www.sql-server-performance.com/articles/per/derived_temp_table... > > How about doing something like using a dictionary to store > thetemporarytablein: > > mystorage = {} > lookup_tables = [endmills, gauging, etc] > for lookup_table in lookup_tables: > rows = db(db[lookup_table].id>0).select() > for row in rows: > mystorage[row.product_id] = row.product_name > > Then instead of doing the Join with the material issuetable, just do > a lookup in the dict... > > F --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py-users" group. To post to this group, send email to web2py@googlegroups.com To unsubscribe from this group, send email to web2py+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/web2py?hl=en -~----------~----~----~----~------~----~------~--~---
