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@@ -4,12 +4,27 @@ from south.db import db
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from south.v2 import DataMigration
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from django.db import models
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+from desktop.conf import DATABASE
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+
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class Migration(DataMigration):
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def forwards(self, orm):
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- "Write your forwards methods here."
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- orm.Job.objects.filter(data='').update(data='{}')
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- orm.Node.objects.filter(data='').update(data='{}')
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+ if DATABASE.ENGINE.get() == 'django.db.backends.oracle':
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+ # Need to do this in pure Python to avoid the Oracle ORA-00904: : invalid identifier error
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+ jobs = orm.Job.objects.all()
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+ jobs = [j for j in jobs if j.data == '']
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+ for job in jobs:
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+ job.data = '{}'
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+ job.save()
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+
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+ nodes = orm.Node.objects.all()
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+ nodes = [n for n in nodes if n.data == '']
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+ for node in nodes:
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+ node.data = '{}'
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+ node.save()
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+ else:
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+ orm.Job.objects.filter(data='').update(data='{}')
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+ orm.Node.objects.filter(data='').update(data='{}')
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def backwards(self, orm):
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"Write your backwards methods here."
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