yaooqinn commented on code in PR #45638:
URL: https://github.com/apache/spark/pull/45638#discussion_r1533535916
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sql/core/src/main/scala/org/apache/spark/sql/jdbc/PostgresDialect.scala:
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@@ -307,24 +307,23 @@ private object PostgresDialect extends JdbcDialect with
SQLConfHelper {
override def convertJavaTimestampToTimestamp(t: Timestamp): Timestamp = {
// Variable names come from PostgreSQL "constant field docs":
//
https://jdbc.postgresql.org/documentation/publicapi/index.html?constant-values.html
- val POSTGRESQL_DATE_NEGATIVE_INFINITY = -9223372036832400000L
- val POSTGRESQL_DATE_NEGATIVE_SMALLER_INFINITY = -185543533774800000L
Review Comment:
`*_SMALLER_INFINITY`s are for PgResultSet to identify date infinities
internally, they are supplanted with the larger abs-values to clients
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