??hive???????????? dt='20200520',?????? flinkSQL ??????????hive ?????? 'yyyy-mm-dd hh:mm:ss' ?????????????????? partition.time-extractor.timestamp-pattern ???????? 'yyyymmdd hh:mm:ss' ??flink??????1.13 https://nightlies.apache.org/flink/flink-docs-release-1.13/docs/connectors/table/filesystem/#partition-commit
