Re: orm relation

Hi issuer,

Plz refer to docs to customize statement base on your use case, my work for a sample with limited time. Plz try remove space around equal sign.

On Tue, Dec 3, 2019, 19:26 bill dexter <55dexter55@gmail.com> wrote:

hi friend;

i tryed your answer, but it says that error in syntax near  __gt  in ""extractyear(dat_enc) - extractyear(annee)__gt = 3""; don't work

Le lun. 2 déc. 2019 à 20:31, Integr@te System <datacentralize@gmail.com> a écrit :

Hi friend,

All_list = list(users.object.aggregate(age = cast(extractyear(datetime.now()) - extractyear(dat_nais), output_field = IntField())).filter(extractyear(dat_enc) - extractyear(annee)__gt = 3 & extractyear(datetime.now()) - extractyear(dat_nais)__IN=range(54,70) & cod_nad__contain = 'CN').order_by('num___annee', 'prn'))

 

Plz add more alias field as your sql command according to a sample above.

Ps: check your question first(sql), then pass to communities.

On Mon, Dec 2, 2019, 21:16 bill dexter <55dexter55@gmail.com> wrote:

thank you, but if you can give me answer to this  exacte probleme, as mentioned in question 

Le dim. 1 déc. 2019 à 18:55, Integr@te System <datacentralize@gmail.com> a écrit :

Hi,

here u can try for complex queryset

https://docs.djangoproject.com/en/2.2/topics/db/queries/#complex-lookups-with-q

On Sun, Dec 1, 2019, 21:08 bill dexter <55dexter55@gmail.com> wrote:

ELECT a.matr

      ,[nom]

      ,[prn]

      ,cast([dat_nais] as date) as dat_nais

  , (YEAR(getdate()) - YEAR(dat_nais)) as age

      ,cast([dat_deces] as date) as dat_deces

      ,cast([dat_imm] as date) as dat_imm

      ,cast([dat_aj] as date) as dat_j

      ,[cod_position]

  ,YEAR(dat_imm) as anne_imm

  ,YEAR(dat_encais) as ann_regl

      ,[annee]

      ,[cod_nat]

      ,cast([dat_e

Snc] as date) as dat_regl

      ,[mt_encais]

  FROM users a

left join enca e on e.matr = a.matr

left join encr c on (c.cod_encais = e.cod_encais)

  where (YEAR(c.dat_enc) - c.annee > 3 ) and ((YEAR(getdate()) - YEAR(a.dat_nais)) between 54 and 70) and c.cod_nat = 'CN'

  order by a.nom_, a.prn, c.annee asc;

hello;
my models are users, enca; encr;

who can i performe this query using django ORM, note that i'm using MSSQL; thank very much

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