LOAD CSV WITH HEADERS FROM 'file:///Regions.tsv' AS line
FIELDTERMINATOR '\t'
WITH line

// merge store
MERGE (region:Region {id:toInteger(line.region_id)})
SET
	region.name=line.region_name,
	region.code=line.region_code
WITH line, region

MATCH (country:Country {code:line.country_code})
SET
	country.iso_id=toInteger(line.iso_id)
WITH region, country

MERGE (region)-[:HAS_COUNTRY]->(country);