0001_create_views.py
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# -*- coding: utf-8 -*-
import datetime
from django.db import connections
from south.db import db
from south.v2 import DataMigration
from django.db import models
class Migration(DataMigration):
def forwards(self, orm):
# Selecting trac database
connection = connections['trac']
cursor = connection.cursor()
cursor.execute('''
CREATE OR REPLACE VIEW wiki_view AS SELECT
wiki.name AS name,
(SELECT wiki2.text FROM wiki AS wiki2 WHERE wiki2.name = wiki.name
AND wiki2.version = MAX(wiki.version)) AS wiki_text,
(SELECT wiki3.author FROM wiki AS wiki3 WHERE wiki3.name = wiki.name
AND wiki3.version = 1) AS author,
string_agg(DISTINCT wiki.author, ', ') AS collaborators,
TIMESTAMP WITH TIME ZONE 'epoch' + (MAX(wiki.time)/1000000) * INTERVAL '1s' AS created,
TIMESTAMP WITH TIME ZONE 'epoch' + (MIN(wiki.time)/1000000) * INTERVAL '1s' AS modified
FROM wiki
GROUP BY wiki.name;
CREATE OR REPLACE VIEW ticket_view AS SELECT
ticket.id AS id,
ticket.summary as summary,
ticket.description as description,
ticket.milestone as milestone,
ticket.priority as priority,
ticket.component as component,
ticket.version as version,
ticket.severity as severity,
ticket.reporter as reporter,
ticket.reporter as author,
ticket.status as status,
ticket.keywords as keywords,
(SELECT
string_agg(DISTINCT ticket_change.author, ', ')
FROM ticket_change WHERE ticket_change.ticket = ticket.id
GROUP BY ticket_change.ticket) as collaborators,
TIMESTAMP WITH TIME ZONE 'epoch' + (time/1000000)* INTERVAL '1s' AS created,
TIMESTAMP WITH TIME ZONE 'epoch' + (changetime/1000000) * INTERVAL '1s' AS modified
FROM ticket;
CREATE OR REPLACE VIEW revision_view AS SELECT
revision.rev,
revision.author,
revision.message,
repository.value AS repository_name,
TIMESTAMP WITH TIME ZONE 'epoch' + (revision.time/1000000) * INTERVAL '1s' AS created
FROM revision
INNER JOIN repository ON(
repository.id = revision.repos
AND repository.name = 'name'
AND repository.value != ''
);
''')
def backwards(self, orm):
# Selecting trac database
connection = connections['trac']
cursor = connection.cursor()
cursor.execute('''
DROP VIEW IF EXISTS revision_view;
DROP VIEW IF EXISTS ticket_view;
DROP VIEW IF EXISTS wiki_view;
''')
models = {
u'proxy.revision': {
'Meta': {'object_name': 'Revision', 'db_table': "'revision_view'", 'managed': 'False'},
'author': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'created': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
'message': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'repository_name': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'rev': ('django.db.models.fields.TextField', [], {'primary_key': 'True'})
},
u'proxy.ticket': {
'Meta': {'object_name': 'Ticket', 'db_table': "'ticket_view'", 'managed': 'False'},
'author': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'collaborators': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'component': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'created': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'id': ('django.db.models.fields.IntegerField', [], {'primary_key': 'True'}),
'keywords': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'milestone': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'modified': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
'priority': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'reporter': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'severity': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'status': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'summary': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'version': ('django.db.models.fields.TextField', [], {'blank': 'True'})
},
u'proxy.wiki': {
'Meta': {'object_name': 'Wiki', 'db_table': "'wiki_view'", 'managed': 'False'},
'author': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'collaborators': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
'created': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
'modified': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
'name': ('django.db.models.fields.TextField', [], {'primary_key': 'True'}),
'wiki_text': ('django.db.models.fields.TextField', [], {'blank': 'True'})
}
}
complete_apps = ['proxy']
symmetrical = True