Add new gin index to optimize ILIKE queries

lemur/domains/models.py

@@ -7,13 +7,18 @@
 .. moduleauthor:: Kevin Glisson <kglisson@netflix.com>
 
 """
-from sqlalchemy import Column, Integer, String, Boolean
+from sqlalchemy import Column, Integer, String, Boolean, Index
 
 from lemur.database import db
 
 
 class Domain(db.Model):
     __tablename__ = 'domains'
+    __table_args__ = (
+        Index('ix_domains_name_gin', "name",
+              postgresql_ops={"name": "gin_trgm_ops"},
+              postgresql_using='gin'),
+    )
     id = Column(Integer, primary_key=True)
     name = Column(String(256), index=True)
     sensitive = Column(Boolean, default=False)