类分层结构
- java.lang.Object
- org.apache.flink.api.common.typeinfo.TypeInformation<T> (implements java.io.Serializable)
- org.apache.flink.api.common.typeinfo.SqlTimeTypeInfo<T> (implements org.apache.flink.api.common.typeinfo.AtomicType<T>)
- org.apache.flink.table.typeutils.TimeIntervalTypeInfo<T> (implements org.apache.flink.api.common.typeinfo.AtomicType<T>)
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