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Restore primary key field defaults and support for
create() #10958
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| @@ -0,0 +1,7 @@ | ||
| from django.db import models | ||
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| class UUID4(models.Func): | ||
| function = "uuid_generate_v4" | ||
| arity = 0 | ||
| output_field = models.UUIDField() |
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110
arches/app/models/migrations/10957_refactor_relations_rule.py
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| # Generated by Django 5.2a1 on 2025-02-12 10:28 | ||
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| import django.db.models.functions.text | ||
| from django.db import migrations, models | ||
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| class Migration(migrations.Migration): | ||
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| dependencies = [ | ||
| ("models", "11725_make_tiledata_not_nullable"), | ||
| ] | ||
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| operations = [ | ||
| migrations.RunSQL( | ||
| """ | ||
| DROP RULE relations_check_insert ON relations; | ||
| DROP RULE relations_check_update ON relations; | ||
| DROP FUNCTION public.__arches_check_dup_relations( | ||
| p_conceptid1 uuid, | ||
| p_conceptid2 uuid, | ||
| p_relationtype text); | ||
| """, | ||
| """ | ||
| CREATE OR REPLACE FUNCTION public.__arches_check_dup_relations( | ||
| p_conceptid1 uuid, | ||
| p_conceptid2 uuid, | ||
| p_relationtype text) | ||
| RETURNS text | ||
| LANGUAGE 'plpgsql' | ||
| COST 100 | ||
| VOLATILE | ||
| AS $BODY$ | ||
| declare | ||
| v_return text; | ||
| BEGIN | ||
| IF | ||
| ( SELECT count(*) from relations | ||
| WHERE 1=1 | ||
| AND conceptidfrom = p_conceptid1 | ||
| AND conceptidto = p_conceptid2 | ||
| AND relationtype = p_relationtype ) > 0 | ||
| THEN v_return = 'duplicate'; | ||
| ELSIF | ||
| ( SELECT count(*) from relations | ||
| WHERE 1=1 | ||
| AND conceptidfrom = p_conceptid2 | ||
| AND conceptidto = p_conceptid1 | ||
| AND relationtype = p_relationtype ) > 0 | ||
| THEN v_return = 'duplicate'; | ||
| ELSE v_return = 'unique'; | ||
| END IF; | ||
| RETURN v_return; | ||
| END; | ||
| $BODY$; | ||
| CREATE OR REPLACE RULE relations_check_insert AS ON INSERT TO relations | ||
| WHERE (select * from __arches_check_dup_relations(new.conceptidfrom,new.conceptidto,new.relationtype)) = 'duplicate' | ||
| DO INSTEAD NOTHING; | ||
| CREATE OR REPLACE RULE relations_check_update AS ON UPDATE TO relations | ||
| WHERE (select * from __arches_check_dup_relations(new.conceptidfrom,new.conceptidto,new.relationtype)) = 'duplicate' | ||
| DO INSTEAD NOTHING; | ||
| """, | ||
| ), | ||
| migrations.AlterUniqueTogether( | ||
| name="relation", | ||
| unique_together=set(), | ||
| ), | ||
| migrations.AddConstraint( | ||
| model_name="relation", | ||
| constraint=models.UniqueConstraint( | ||
| models.Case( | ||
| models.When( | ||
| django.db.models.expressions.CombinedExpression( | ||
| models.F("conceptfrom"), | ||
| "<", | ||
| models.F("conceptto"), | ||
| output_field=models.BooleanField(), | ||
| ), | ||
| then=django.db.models.functions.text.Concat( | ||
| models.F("conceptfrom"), | ||
| models.Value(","), | ||
| models.F("conceptto"), | ||
| output_field=models.TextField(), | ||
| ), | ||
| ), | ||
| default=django.db.models.functions.text.Concat( | ||
| models.F("conceptto"), | ||
| models.Value(","), | ||
| models.F("conceptfrom"), | ||
| output_field=models.TextField(), | ||
| ), | ||
| ), | ||
| models.F("relationtype"), | ||
| name="unique_relation_bidirectional", | ||
| ), | ||
| ), | ||
| ] |
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