常量字段值 (Flink Table Store : Common 0.2.0 API)

org.apache.*

org.apache.flink.table.store.utils.DateTimeUtils
限定符和类型	常量字段	值
`public static final int`	`EPOCH_JULIAN`	`2440588`
`public static final long`	`MILLIS_PER_DAY`	`86400000L`