I believe that on_define is always done at table instantiation, so for non lazy tables it's done when the request is executed as part of setting up the table. so lazy_tables is not mandatory.
On Wed, Jul 23, 2014 at 2:37 PM, 黄祥 <[email protected]> wrote: > db = DAL(lazy_tables=True) >> >> > not sure, if lazy_tables = True is mandatory or not, another example for > on_define : > e.g. > def on_define_bank(table): > # default > table.name.default = '' > table.age.default = 30 > # label > table.name.label = T('Name') > table.age.label = T('Age') > # notnull > table.name.notnull = True > table.age.notnull = True > # required > table.name.required = True > table.age.required = True > # requires > table.name.requires = IS_NOT_EMPTY() > table.age.requires = IS_INT_IN_RANGE(0, 120) > > db.define_table('person', > Field('name'), > Field('age', 'integer'), > on_define = on_define_bank) > > 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 a topic in the > Google Groups "web2py-users" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/web2py/t5XrUYK3WDg/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- *Tim Richardson, Director* GrowthPath, Data-driven profit growth Mobile: +61 423 091 732 Office: +61 3 8678 1850 I tweet useful business & IT tips at growthpath_au GrowthPath Pty Ltd ABN 76 133 733 963 <http://www.growthpath.com.au/> -- 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
