Hi,

Ive been trying many ways of getting this right,

db.define_table('pedidos',
                Field('fecha',  type='date' ),
                Field('cliente', ),
                Field('pares', ),
                Field('estado', ),
                Field('noitems', ),
                Field('notapedido', ),
                Field('tipopedido', ),
                Field('vendedor', ),
               )

db.define_table('itemspedidos',
                Field('NUM_ITEM', 'integer'),
                Field('COD_PEDI', 'integer'),
                Field('COD_CLIE', ),
                Field('OD_SUCU' ),
                Field('TIP_PEDI', ),
                Field('TIP_BASE', ),
                Field('COD_REFE', ),
                Field('COD_COLO', ),
                Field('CAN_PEDI', 'integer' ),
                Field('CAMPO_01', 'integer' ),
                Field('CAMPO_02', 'integer' ),
                Field('CAMPO_03', 'integer' ),
                Field('CAMPO_04', 'integer' ),
                Field('CAMPO_05', 'integer' ),
                Field('CAMPO_06', 'integer' ),
                Field('CAMPO_07', 'integer' ),
                Field('CAMPO_S1', 'integer' ),
                Field('CAMPO_S2', 'integer' ),
                Field('CAMPO_S3', 'integer' ),
                Field('CAMPO_S4', 'integer' ),
                Field('CAMPO_S5', 'integer'),
                Field('CAMPO_S6',  'integer'),
                Field('CAMPO_S7', 'integer' ),
                Field('CAN_DOCE', 'integer' ),
               )

I need to find pedidos by month using pedidos.fecha and to count how many 
itemspedidos.COD_REFE are per month by each itemspedidos.COD_REFE which is 
the item reference.

rows=db( db.pedidos.fecha.year() == '2019' )( db.itemspedidos.COD_PEDI == 
db.pedidos.id ).select( db.itemspedidos.COD_REFE, 
db.itemspedidos.COD_REFE.count( distinct=True ), db.pedidos.fecha.month(), 
orderby=db.pedidos.fecha.month(), groupby=db.pedidos.fecha.month(), )

This is a sample of what i get:

itemspedidos.COD_REFE EXTRACT(month FROM "pedidos"."fecha")
132 MILAN 4
132 MILAN 4
132 MILAN 4
113 SARA 4
122 CLAUDIA NIÑA 4
122 CLAUDIA NIÑA 4
122 CLAUDIA NIÑA 4
122 CLAUDIA NIÑA 4

As you can see i get the month and the itemspedidos.COD_REFE, but im unable 
to count by itemspedidos.COD_REFE per month and per unique 
itemspedidos.COD_REFE.

Some advice would be nice,


Thanks in advance


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