Sorry. I got it. Regards On Sun, 22 Jul 2018, 14:33 sandeep patel <patelsandeep...@gmail.com> wrote:
> You can delete row this way!! > db((db.table.id==id_s)&(db.table.created_by == auth.user.id)).delete() > if you want delete rows upto a certain limit so you can you put this > quarry under for loop. > Best, > > On Sun, Jul 22, 2018 at 4:43 PM Maurice Waka <mauricew...@gmail.com> > wrote: > >> I have tried this example but I get this error below: >> >> >> db(query).delete() >> File "/usr/local/lib/python2.7/dist-packages/pydal/objects.py", line 2277, >> in delete >> ret = db._adapter.delete(table, self.query) >> File "/usr/local/lib/python2.7/dist-packages/pydal/adapters/sqlite.py", >> line 86, in delete >> deleted = [x[table._id.name] for x in db(query).select(table._id)] >> File "/usr/local/lib/python2.7/dist-packages/pydal/objects.py", line 2250, >> in select >> return adapter.select(self.query, fields, attributes) >> File "/usr/local/lib/python2.7/dist-packages/pydal/adapters/sqlite.py", >> line 82, in select >> return super(SQLite, self).select(query, fields, attributes) >> File "/usr/local/lib/python2.7/dist-packages/pydal/adapters/base.py", line >> 757, in select >> colnames, sql = self._select_wcols(query, fields, **attributes) >> File "/usr/local/lib/python2.7/dist-packages/pydal/adapters/base.py", line >> 672, in _select_wcols >> query = self.expand(query, query_env=query_env) >> File "/usr/local/lib/python2.7/dist-packages/pydal/adapters/base.py", line >> 434, in _expand >> rv = op(first, second, **optional_args) >> File "/usr/local/lib/python2.7/dist-packages/pydal/dialects/base.py", line >> 228, in _and >> self.expand(second, query_env=query_env)) >> File "/usr/local/lib/python2.7/dist-packages/pydal/dialects/__init__.py", >> line 96, in expand >> return self.adapter.expand(*args, **kwargs) >> File "/usr/local/lib/python2.7/dist-packages/pydal/adapters/base.py", line >> 453, in _expand >> return str(rv) >> File "/usr/local/lib/python2.7/dist-packages/pydal/objects.py", line 2090, >> in __repr__ >> return '<Set %s>' % str(self.query) >> File "/usr/local/lib/python2.7/dist-packages/pydal/objects.py", line 1963, >> in __str__ >> return str(self.db._adapter.expand(self)) >> File "/usr/local/lib/python2.7/dist-packages/pydal/adapters/base.py", line >> 434, in _expand >> rv = op(first, second, **optional_args) >> File "/usr/local/lib/python2.7/dist-packages/pydal/dialects/base.py", line >> 344, in eq >> self.expand(second, first.type, query_env=query_env)) >> File "/usr/local/lib/python2.7/dist-packages/pydal/dialects/__init__.py", >> line 96, in expand >> return self.adapter.expand(*args, **kwargs) >> File "/usr/local/lib/python2.7/dist-packages/pydal/adapters/base.py", line >> 444, in _expand >> rv = self.represent(expression, field_type) >> File "/usr/local/lib/python2.7/dist-packages/pydal/adapters/base.py", line >> 381, in represent >> return super(SQLAdapter, self).represent(obj, field_type) >> File "/usr/local/lib/python2.7/dist-packages/pydal/adapters/base.py", line >> 334, in represent >> obj = obj() >> TypeError: id() takes exactly one argument (0 given) >> >> Issues: >> >> 1. What could be wrong. >> >> 2. Is there a way of following this example but deleting rows upto a certain >> limit, say anything above 50 like in this example: >> >> DELETE FROM post WHERE id IN(SELECT id FROM post ORDER BY id LIMIT 50 ASC >> ) >> >> >> On Sunday, October 15, 2017 at 4:03:12 AM UTC+3, 黄祥 wrote: >>> >>> think you can do it by store the user created id (auth.signature or code >>> it by your self) in your table and use it as a condition >>> *e.g. not tested* >>> query = ((db.table.id == id) & (db.table.created_by == auth.user_id) ) >>> db(query).delete() >>> >>> 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+unsubscr...@googlegroups.com. >> 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 a topic in the > Google Groups "web2py-users" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/web2py/LPxSiL3u0MI/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > web2py+unsubscr...@googlegroups.com. > 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. 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