2020 02 states as nodes only LR

CREATE CONSTRAINT ON (node:`UNIQUE IMPORT LABEL`) ASSERT (node.`UNIQUE IMPORT ID`) IS UNIQUE;
UNWIND [{_id:46, properties:{name:"No waste left on site"}}, {_id:47, properties:{name:"Waste understood"}}, {_id:48, properties:{name:"Plan agreed"}}, {_id:49, properties:{name:"Suppliers ready"}}] AS row
CREATE (n:`UNIQUE IMPORT LABEL`{`UNIQUE IMPORT ID`: row._id}) SET n += row.properties SET n:State;
UNWIND [{start: {_id:48}, end: {_id:49}, properties:{}}, {start: {_id:49}, end: {_id:46}, properties:{}}, {start: {_id:47}, end: {_id:48}, properties:{}}] AS row
MATCH (start:`UNIQUE IMPORT LABEL`{`UNIQUE IMPORT ID`: row.start._id})
MATCH (end:`UNIQUE IMPORT LABEL`{`UNIQUE IMPORT ID`: row.end._id})
CREATE (start)-[r:transitions_with_task]->(end) SET r += row.properties;
MATCH (n:`UNIQUE IMPORT LABEL`)  WITH n LIMIT 20000 REMOVE n:`UNIQUE IMPORT LABEL` REMOVE n.`UNIQUE IMPORT ID`;
DROP CONSTRAINT ON (node:`UNIQUE IMPORT LABEL`) ASSERT (node.`UNIQUE IMPORT ID`) IS UNIQUE;