yaooqinn commented on code in PR #40588:
URL: https://github.com/apache/spark/pull/40588#discussion_r1156661483
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sql/core/src/main/scala/org/apache/spark/sql/jdbc/PostgresDialect.scala:
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@@ -215,13 +215,18 @@ private object PostgresDialect extends JdbcDialect with
SQLConfHelper {
case sqlException: SQLException =>
sqlException.getSQLState match {
// https://www.postgresql.org/docs/14/errcodes-appendix.html
- case "42P07" =>
+ case "42P07" if sqlException.getMessage != null =>
Review Comment:
Regexes in match expressions do not accept nulls. It's a defensive action.
In general, there is no such case upstream. And even if it does occur, we will
handle it properly in the default branch.
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