trying your suggestion with datatables that have web2py multiple table
relations join
*ref:*
http://www.web2pyslices.com/slice/show/2052/using-datatablesnet-with-web2py-for-ultra-fast-grid-display
*models/db.py*
db.define_table('sale_order', Field('sale_order_no') )
db.define_table('cash_in', Field('cash_in_no'), Field('sale_order_no',
'reference sale_order') )
db.define_table('cash_out', Field('cash_out_no'), Field('sale_order_no',
'reference sale_order') )
if db(db.sale_order).isempty():
db.sale_order.update_or_insert(sale_order_no = 'SO1')
db.cash_in.update_or_insert(cash_in_no = 'CI1', sale_order_no = 1)
db.cash_in.update_or_insert(cash_in_no = 'CI2', sale_order_no = 1)
db.cash_out.update_or_insert(cash_out_no = 'CO1', sale_order_no = 1)
db.cash_out.update_or_insert(cash_out_no = 'CO2', sale_order_no = 1)
*controllers/default.py*
def index():
import json
#query = ((db.cash_in.sale_order_no == db.sale_order.id) |
(db.cash_out.sale_order_no == db.sale_order.id) )
#rows = db(query).select().as_list()
#left = [db.cash_in.on(db.sale_order.id == db.cash_in.sale_order_no),
db.cash_out.on(db.sale_order.id == db.cash_out.sale_order_no) ]
left = db.cash_in.on(db.sale_order.id == db.cash_in.sale_order_no)
rows = db().select(db.sale_order.ALL, db.cash_in.ALL, left = left)
people = json.dumps(rows)
return dict(results = XML(people) )
*views/default/index.html*
{{extend 'layout.html'}}
<script
src="https://cdn.datatables.net/1.10.15/js/jquery.dataTables.min.js";></script>
<link rel="stylesheet" media="screen"
href="https://cdn.datatables.net/1.10.15/css/jquery.dataTables.min.css";>
<table id="person-table" class="table table-bordered table-striped"
cellspacing="0" width="100%">
<thead>
<tr>
<th>Sale Order No</th>
<th>Cash In No</th>
<th>Cash Out No</th>
</tr>
</thead>
</table>
<script>
$(document).ready(function(){
$("#person-table").DataTable({
data: {{=results}},
columns: [
{ data: 'sale_order.sale_order_no' },
{ data: 'cash_in.cash_in_no' },
{ data: 'cash_out.cash_out_no' }
]
})
});
</script>
*Return an error traceback*
Traceback (most recent call last):
File "/Users/MacBookPro/site/web2py/gluon/restricted.py", line 219, in
restricted
exec(ccode, environment)
File
"/Users/MacBookPro/site/web2py/applications/a/controllers/default.py", line
60, in <module>
File "/Users/MacBookPro/site/web2py/gluon/globals.py", line 409, in
<lambda>
self._caller = lambda f: f()
File
"/Users/MacBookPro/site/web2py/applications/a/controllers/default.py", line
19, in index
people = json.dumps(rows)
File
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py",
line 243, in dumps
return _default_encoder.encode(obj)
File
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/encoder.py",
line 207, in encode
chunks = self.iterencode(o, _one_shot=True)
File
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/encoder.py",
line 270, in iterencode
return _iterencode(o, 0)
File
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/encoder.py",
line 184, in default
raise TypeError(repr(o) + " is not JSON serializable")
TypeError: <Rows (2)> is not JSON serializable
is it possible to pass dal join rows result into json format in web2py?
thanks and best regards,
stifan
--
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- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
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