cloud-fan commented on code in PR #40678:
URL: https://github.com/apache/spark/pull/40678#discussion_r1160407865
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sql/core/src/main/scala/org/apache/spark/sql/jdbc/JdbcDialects.scala:
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@@ -104,6 +105,23 @@ abstract class JdbcDialect extends Serializable with
Logging {
*/
def getJDBCType(dt: DataType): Option[JdbcType] = None
+ /**
+ * Convert java.sql.Timestamp to a Long value (internal representation of a
TimestampNTZType)
+ * holding the microseconds since the epoch of 1970-01-01 00:00:00Z for this
timestamp.
+ */
+ def convertJavaTimestampToTimestampNTZ(t: Timestamp): Long = {
+ DateTimeUtils.fromJavaTimestampNoRebase(t)
+ }
+
+ /**
+ * Converts a LocalDateTime representing a TimestampNTZ type to an
+ * instance of `java.sql.Timestamp`.
+ */
+ def convertTimestampNTZToJavaTimestamp(ldt: LocalDateTime): Timestamp = {
Review Comment:
People can use `LocalDateTime.ofEpochSecond`, no need to specify year,
month, day, ... fields
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