def createRelationship(relationshipType, childOid, parentOid, sequence = None):
"""
Create a new relationship record.
"""
# Create the record and generate the insert
rel = AnaRelationshipDb.AnaRelationshipDbRecord()
oid = Oids.createNextOid()
rel.setOid(oid)
rel.setRelationshipType(relationshipType)
rel.setChildOid(childOid)
rel.setParentOid(parentOid)
rel.insert()
# add relationship to this module's knowledge.
_addRelToKnowledge(rel)
# Add relationship to other module's knowledge
Nodes.connectTheDotsForRelationship(rel)
return rel
