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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
import django_countries.fields
import seminar.models
import django.utils.timezone
from django.conf import settings
CREATE_VIEWS="""
create view seminar_body_za_cislo as
select
sr.cislo_body_id || "-" || sr.resitel_id as id,
sr.cislo_body_id as cislo_id,
sr.resitel_id as resitel_id,
sum(sr.body) as body
from seminar_reseni as sr
group by sr.cislo_body_id, sr.resitel_id
order by body desc;
create view seminar_body_k_cislu as
select
akt_c.id || "-" || min_bzc.resitel_id as id,
akt_c.id as cislo_id,
min_bzc.resitel_id as resitel_id,
akt_bzc.body as body,
sum(min_bzc.body) as body_celkem
from ((seminar_cisla as akt_c
inner join seminar_cisla as min_c on min_c.rocnik_id == akt_c.rocnik_id and akt_c.cislo >= min_c.cislo)
inner join seminar_body_za_cislo as min_bzc on min_c.id == min_bzc.cislo_id)
left outer join seminar_body_za_cislo as akt_bzc on akt_bzc.cislo_id == akt_c.id and akt_bzc.resitel_id == min_bzc.resitel_id
group by akt_c.id, min_bzc.resitel_id
order by body_celkem desc;
"""
DROP_VIEWS="""
drop view seminar_body_za_cislo;
drop view seminar_body_do_cisla;
"""
class Migration(migrations.Migration):
dependencies = [("seminar", "0001_initial")]
operations = [
migrations.RunSQL(sql=CREATE_VIEWS, reverse_sql=DROP_VIEWS)
]