43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
from __future__ import unicode_literals
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from django.db import migrations
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CREATE_VIEWS="""
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create view seminar_body_za_cislo as
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select
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sr.cislo_body_id || '-' || sr.resitel_id as id,
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sr.cislo_body_id as cislo_id,
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sr.resitel_id as resitel_id,
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sum(sr.body) as body
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from seminar_reseni as sr
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group by sr.cislo_body_id, sr.resitel_id
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order by body desc;
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create view seminar_body_k_cislu as
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select
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akt_c.id || '-' || min_bzc.resitel_id as id,
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akt_c.id as cislo_id,
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min_bzc.resitel_id as resitel_id,
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max(akt_bzc.body) as body,
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sum(min_bzc.body) as body_celkem
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from ((seminar_cisla as akt_c
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inner join seminar_cisla as min_c on min_c.rocnik_id = akt_c.rocnik_id and akt_c.cislo >= min_c.cislo)
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inner join seminar_body_za_cislo as min_bzc on min_c.id = min_bzc.cislo_id)
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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
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group by akt_c.id, min_bzc.resitel_id, akt_bzc.resitel_id
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order by body_celkem desc;
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"""
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DROP_VIEWS="""
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drop view seminar_body_k_cislu;
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drop view seminar_body_za_cislo;
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"""
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class Migration(migrations.Migration):
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dependencies = [("seminar", "0001_initial")]
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operations = [
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migrations.RunSQL(sql=CREATE_VIEWS, reverse_sql=DROP_VIEWS)
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]
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