Hey guys,
I'm trying to create a SQLFORM.grid that will display the total number of
entries for each 'user' in a certain time period.
Basically, my model states that a user can only be in bursary_entries table
once per day (This equates to a user swiping their ID card). I would like
to be able to find out how many entries are recorded for a specific user
per week, month, year, etc. and also filter it by the 'location' column too
if possible.
from datetime import datetime
db.define_table('bursary_entries',
Field('barcode', type='string', requires=[IS_IN_DB_UPPER(db,
'bursary_users.barcode')]),
Field('entry_time', type='datetime', default=request.now,
readable=False, writable=False),
Field('entry_location', type='string', readable=False,
writable=False, requires=[IS_IN_DB(db, 'bursary_locations.bursary_location'
)]),
Field('bursary_at_time', type='string', readable=False,
writable=False, requires=[IS_IN_DB(db, 'bursary_users.bursary')]),
format='%(barcode)s'
)
I've tried simply:
query = (db.bursary_entries.entry_time > reportsform.vars.start_date)& \
(db.bursary_entries.entry_time < reportsform.vars.end_date)
# Left outer-joins
joins = [db.bursary_users.on(db.bursary_entries.barcode==db.
bursary_users.barcode)]
grid = SQLFORM.grid(query, left=joins, groupby=db.bursary_entries.
barcode)
But obviously that groups the values but doesn't have any kind of
count/sum. I've tried a whole host of other things, but they've all fallen
flat - Can anyone shed any light on the possibility of this?
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