mirror of https://github.com/zulip/zulip.git
[schema] Add case-insensitive index on stream names.
We need to run the schema migration manually using "CREATE INDEX CONCURRENTLY upper_stream_name_idx ON zerver_stream ((upper(name)));" since we need CONCURRENTLY and I seem to recall that doesn't work with South. This significantly improves the uncached performance of get_stream() (e.g. from 32ms to 9ms). At present, this codepath is not used particularly heavily since we do cache the stream names and do most of our filtering by recipient ID, but the index isn't expensive and does provide a significant improvement in the uncached case. (imported from commit 4d28dc2e9a02d0602861b165393d90ed18f5f4c8)
This commit is contained in:
Tim Abbott
parent
4d94d4d6f6
commit
eaaf0fec04
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# -*- coding: utf-8 -*-
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import datetime
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from south.db import db
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from south.v2 import SchemaMigration
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from django.db import models
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class Migration(SchemaMigration):
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def forwards(self, orm):
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db.execute("CREATE INDEX upper_stream_name_idx ON zerver_stream ((upper(name)));")
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def backwards(self, orm):
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db.execute("DROP INDEX upper_stream_name_idx;")
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models = {
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u'auth.group': {
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'Meta': {'object_name': 'Group'},
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
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'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
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},
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u'auth.permission': {
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'Meta': {'ordering': "(u'content_type__app_label', u'content_type__model', u'codename')", 'unique_together': "((u'content_type', u'codename'),)", 'object_name': 'Permission'},
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'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
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'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
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},
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u'contenttypes.contenttype': {
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'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
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'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
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'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
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},
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u'zerver.appledevicetoken': {
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'Meta': {'object_name': 'AppleDeviceToken'},
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'token': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
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'user': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.UserProfile']"})
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},
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u'zerver.client': {
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'Meta': {'object_name': 'Client'},
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30', 'db_index': 'True'})
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},
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u'zerver.defaultstream': {
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'Meta': {'unique_together': "(('realm', 'stream'),)", 'object_name': 'DefaultStream'},
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'realm': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Realm']"}),
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'stream': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Stream']"})
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},
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u'zerver.huddle': {
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'Meta': {'object_name': 'Huddle'},
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'huddle_hash': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '40', 'db_index': 'True'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
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},
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u'zerver.message': {
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'Meta': {'object_name': 'Message'},
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'content': ('django.db.models.fields.TextField', [], {}),
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'edit_history': ('django.db.models.fields.TextField', [], {'null': 'True'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'last_edit_time': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),
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'pub_date': ('django.db.models.fields.DateTimeField', [], {'db_index': 'True'}),
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'recipient': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Recipient']"}),
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'rendered_content': ('django.db.models.fields.TextField', [], {'null': 'True'}),
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'rendered_content_version': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
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'sender': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.UserProfile']"}),
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'sending_client': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Client']"}),
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'subject': ('django.db.models.fields.CharField', [], {'max_length': '60', 'db_index': 'True'})
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},
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u'zerver.mituser': {
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'Meta': {'object_name': 'MitUser'},
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'email': ('django.db.models.fields.EmailField', [], {'unique': 'True', 'max_length': '75'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'status': ('django.db.models.fields.IntegerField', [], {'default': '0'})
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},
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u'zerver.preregistrationuser': {
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'Meta': {'object_name': 'PreregistrationUser'},
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'email': ('django.db.models.fields.EmailField', [], {'max_length': '75'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'invited_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
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'realm': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Realm']", 'null': 'True'}),
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'referred_by': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.UserProfile']", 'null': 'True'}),
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'status': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
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'streams': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['zerver.Stream']", 'null': 'True', 'symmetrical': 'False'})
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},
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u'zerver.realm': {
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'Meta': {'object_name': 'Realm'},
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'date_created': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
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'domain': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '40', 'db_index': 'True'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'name': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True'}),
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'notifications_stream': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'to': u"orm['zerver.Stream']"}),
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'restricted_to_domain': ('django.db.models.fields.BooleanField', [], {'default': 'True'})
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},
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u'zerver.realmemoji': {
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'Meta': {'unique_together': "(('realm', 'name'),)", 'object_name': 'RealmEmoji'},
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'img_url': ('django.db.models.fields.TextField', [], {}),
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'name': ('django.db.models.fields.TextField', [], {}),
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'realm': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Realm']"})
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},
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u'zerver.recipient': {
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'Meta': {'unique_together': "(('type', 'type_id'),)", 'object_name': 'Recipient'},
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'type': ('django.db.models.fields.PositiveSmallIntegerField', [], {'db_index': 'True'}),
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'type_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'})
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},
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u'zerver.referral': {
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'Meta': {'object_name': 'Referral'},
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'email': ('django.db.models.fields.EmailField', [], {'max_length': '75'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'timestamp': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
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'user_profile': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.UserProfile']"})
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},
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u'zerver.stream': {
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'Meta': {'unique_together': "(('name', 'realm'),)", 'object_name': 'Stream'},
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'date_created': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
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'email_token': ('django.db.models.fields.CharField', [], {'default': "'3cb0364d2042594baac0c5e2bb30146e'", 'max_length': '32'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'invite_only': ('django.db.models.fields.NullBooleanField', [], {'default': 'False', 'null': 'True', 'blank': 'True'}),
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'name': ('django.db.models.fields.CharField', [], {'max_length': '60', 'db_index': 'True'}),
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'realm': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Realm']"})
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},
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u'zerver.streamcolor': {
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'Meta': {'object_name': 'StreamColor'},
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'color': ('django.db.models.fields.CharField', [], {'max_length': '10'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'subscription': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Subscription']"})
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},
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u'zerver.subscription': {
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'Meta': {'unique_together': "(('user_profile', 'recipient'),)", 'object_name': 'Subscription'},
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'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
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'color': ('django.db.models.fields.CharField', [], {'default': "'#c2c2c2'", 'max_length': '10'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'in_home_view': ('django.db.models.fields.NullBooleanField', [], {'default': 'True', 'null': 'True', 'blank': 'True'}),
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'notifications': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
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'recipient': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Recipient']"}),
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'user_profile': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.UserProfile']"})
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},
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u'zerver.useractivity': {
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'Meta': {'unique_together': "(('user_profile', 'client', 'query'),)", 'object_name': 'UserActivity'},
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'client': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Client']"}),
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'count': ('django.db.models.fields.IntegerField', [], {}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'last_visit': ('django.db.models.fields.DateTimeField', [], {}),
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'query': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
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'user_profile': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.UserProfile']"})
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},
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u'zerver.useractivityinterval': {
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'Meta': {'object_name': 'UserActivityInterval'},
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'end': ('django.db.models.fields.DateTimeField', [], {'db_index': 'True'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'start': ('django.db.models.fields.DateTimeField', [], {'db_index': 'True'}),
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'user_profile': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.UserProfile']"})
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},
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u'zerver.usermessage': {
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'Meta': {'unique_together': "(('user_profile', 'message'),)", 'object_name': 'UserMessage'},
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'archived': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
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'flags': ('django.db.models.fields.BigIntegerField', [], {'default': '0'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'message': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Message']"}),
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'user_profile': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.UserProfile']"})
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},
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u'zerver.userpresence': {
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'Meta': {'unique_together': "(('user_profile', 'client'),)", 'object_name': 'UserPresence'},
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'client': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Client']"}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'status': ('django.db.models.fields.PositiveSmallIntegerField', [], {'default': '1'}),
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'timestamp': ('django.db.models.fields.DateTimeField', [], {}),
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'user_profile': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.UserProfile']"})
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},
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u'zerver.userprofile': {
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'Meta': {'object_name': 'UserProfile'},
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'alert_words': ('django.db.models.fields.TextField', [], {'default': "'[]'"}),
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'api_key': ('django.db.models.fields.CharField', [], {'max_length': '32'}),
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'avatar_source': ('django.db.models.fields.CharField', [], {'default': "'G'", 'max_length': '1'}),
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'bot_owner': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.UserProfile']", 'null': 'True', 'on_delete': 'models.SET_NULL'}),
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'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
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'email': ('django.db.models.fields.EmailField', [], {'unique': 'True', 'max_length': '75', 'db_index': 'True'}),
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'enable_desktop_notifications': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
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'enable_offline_email_notifications': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
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'enable_sounds': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
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'enter_sends': ('django.db.models.fields.NullBooleanField', [], {'default': 'False', 'null': 'True', 'blank': 'True'}),
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'full_name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
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'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
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u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
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'invites_granted': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
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'invites_used': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
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'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
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'is_bot': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
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'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
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'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
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'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
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'last_pointer_updater': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
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'last_reminder': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'null': 'True'}),
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'muted_topics': ('django.db.models.fields.TextField', [], {'default': "'[]'"}),
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'onboarding_steps': ('django.db.models.fields.TextField', [], {'default': "'[]'"}),
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'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
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'pointer': ('django.db.models.fields.IntegerField', [], {}),
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'rate_limits': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '100'}),
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'realm': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['zerver.Realm']"}),
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'short_name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
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'tutorial_status': ('django.db.models.fields.CharField', [], {'default': "'W'", 'max_length': '1'}),
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'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
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}
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}
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complete_apps = ['zerver']
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