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			20 lines
		
	
	
		
			513 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			513 B
		
	
	
	
		
			Python
		
	
	
	
	
	
from django.db import migrations
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class Migration(migrations.Migration):
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    dependencies = [
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        ("zerver", "0094_realm_filter_url_validator"),
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    ]
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    operations = [
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        migrations.RunSQL(
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            """
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            CREATE INDEX IF NOT EXISTS zerver_usermessage_unread_message_id
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                ON zerver_usermessage (user_profile_id, message_id)
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                WHERE (flags & 1) = 0;
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            """,
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            reverse_sql="DROP INDEX zerver_usermessage_unread_message_id;",
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        ),
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    ]
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