[Backport] Fixing custom fields deletes
Alejandro Alonso
David Barragán Merino
parent
d6ec587bd5
commit
ed9698760c
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@ -0,0 +1,118 @@
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# -*- coding: utf-8 -*-
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# Generated by Django 1.9.2 on 2016-07-28 05:40
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from __future__ import unicode_literals
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from django.db import migrations, models
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class Migration(migrations.Migration):
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dependencies = [
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('custom_attributes', '0007_auto_20160208_1751'),
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]
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operations = [
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# Function: Remove a key in a json field
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migrations.RunSQL(
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"""
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CREATE OR REPLACE FUNCTION "json_object_delete_keys"("json" json, VARIADIC "keys_to_delete" text[])
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RETURNS json
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LANGUAGE sql
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IMMUTABLE
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STRICT
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AS $function$
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SELECT COALESCE ((SELECT ('{' || string_agg(to_json("key") || ':' || "value", ',') || '}')
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FROM json_each("json")
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WHERE "key" <> ALL ("keys_to_delete")),
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'{}')::json $function$;
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""",
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reverse_sql="""DROP FUNCTION IF EXISTS "json_object_delete_keys"("json" json, VARIADIC "keys_to_delete" text[])
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CASCADE;"""
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),
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# Function: Romeve a key in the json field of *_custom_attributes_values.values
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migrations.RunSQL(
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"""
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CREATE OR REPLACE FUNCTION "clean_key_in_custom_attributes_values"()
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RETURNS trigger
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AS $clean_key_in_custom_attributes_values$
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DECLARE
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key text;
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project_id int;
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object_id int;
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attribute text;
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tablename text;
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custom_attributes_tablename text;
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BEGIN
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key := OLD.id::text;
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project_id := OLD.project_id;
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attribute := TG_ARGV[0]::text;
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tablename := TG_ARGV[1]::text;
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custom_attributes_tablename := TG_ARGV[2]::text;
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EXECUTE 'UPDATE ' || quote_ident(custom_attributes_tablename) || '
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SET attributes_values = json_object_delete_keys(attributes_values, ' || quote_literal(key) || ')
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FROM ' || quote_ident(tablename) || '
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WHERE ' || quote_ident(tablename) || '.project_id = ' || project_id || '
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AND ' || quote_ident(custom_attributes_tablename) || '.' || quote_ident(attribute) || ' = ' || quote_ident(tablename) || '.id';
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RETURN NULL;
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END; $clean_key_in_custom_attributes_values$
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LANGUAGE plpgsql;
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"""
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),
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# Trigger: Clean userstorycustomattributes values before remove a userstorycustomattribute
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migrations.RunSQL(
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"""
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DROP TRIGGER IF EXISTS "update_userstorycustomvalues_after_remove_userstorycustomattribute"
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ON custom_attributes_userstorycustomattribute
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CASCADE;
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CREATE TRIGGER "update_userstorycustomvalues_after_remove_userstorycustomattribute"
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AFTER DELETE ON custom_attributes_userstorycustomattribute
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FOR EACH ROW
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EXECUTE PROCEDURE clean_key_in_custom_attributes_values('user_story_id', 'userstories_userstory', 'custom_attributes_userstorycustomattributesvalues');
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"""
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),
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# Trigger: Clean taskcustomattributes values before remove a taskcustomattribute
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migrations.RunSQL(
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"""
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DROP TRIGGER IF EXISTS "update_taskcustomvalues_after_remove_taskcustomattribute"
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ON custom_attributes_taskcustomattribute
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CASCADE;
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CREATE TRIGGER "update_taskcustomvalues_after_remove_taskcustomattribute"
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AFTER DELETE ON custom_attributes_taskcustomattribute
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FOR EACH ROW
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EXECUTE PROCEDURE clean_key_in_custom_attributes_values('task_id', 'tasks_task', 'custom_attributes_taskcustomattributesvalues');
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"""
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),
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# Trigger: Clean issuecustomattributes values before remove a issuecustomattribute
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migrations.RunSQL(
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"""
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DROP TRIGGER IF EXISTS "update_issuecustomvalues_after_remove_issuecustomattribute"
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ON custom_attributes_issuecustomattribute
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CASCADE;
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CREATE TRIGGER "update_issuecustomvalues_after_remove_issuecustomattribute"
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AFTER DELETE ON custom_attributes_issuecustomattribute
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FOR EACH ROW
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EXECUTE PROCEDURE clean_key_in_custom_attributes_values('issue_id', 'issues_issue', 'custom_attributes_issuecustomattributesvalues');
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"""
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),
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migrations.AlterIndexTogether(
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name='issuecustomattributesvalues',
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index_together=set([('issue',)]),
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),
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migrations.AlterIndexTogether(
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name='taskcustomattributesvalues',
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index_together=set([('task',)]),
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),
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migrations.AlterIndexTogether(
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name='userstorycustomattributesvalues',
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index_together=set([('user_story',)]),
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),
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]
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@ -101,6 +101,7 @@ class UserStoryCustomAttributesValues(AbstractCustomAttributesValues):
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class Meta(AbstractCustomAttributesValues.Meta):
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verbose_name = "user story ustom attributes values"
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verbose_name_plural = "user story custom attributes values"
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index_together = [("user_story",)]
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@property
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def project(self):
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@ -116,6 +117,7 @@ class TaskCustomAttributesValues(AbstractCustomAttributesValues):
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class Meta(AbstractCustomAttributesValues.Meta):
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verbose_name = "task ustom attributes values"
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verbose_name_plural = "task custom attributes values"
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index_together = [("task",)]
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@property
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def project(self):
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@ -131,6 +133,7 @@ class IssueCustomAttributesValues(AbstractCustomAttributesValues):
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class Meta(AbstractCustomAttributesValues.Meta):
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verbose_name = "issue ustom attributes values"
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verbose_name_plural = "issue custom attributes values"
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index_together = [("issue",)]
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@property
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def project(self):
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