报错提示:A query with 'PERIODIC COMMIT' can only be executed in an implicit transaction, but tried to execute in an explicit transaction.
USING PERIODIC COMMIT LOAD CSV WITH HEADERS FROM 'file:/export.csv'
AS row
MATCH (c:cust {cust_num: row.cust_num})
SET c.community = toInteger(row.community),
c.pagerank = toFloat(row.pagerank)