sarutak commented on code in PR #52756:
URL: https://github.com/apache/spark/pull/52756#discussion_r2469637865
##########
sql/connect/client/jdbc/src/main/scala/org/apache/spark/sql/connect/client/jdbc/SparkConnectResultSet.scala:
##########
@@ -253,13 +263,25 @@ class SparkConnectResultSet(
override def getBigDecimal(columnLabel: String): java.math.BigDecimal =
throw new SQLFeatureNotSupportedException
- override def isBeforeFirst: Boolean = throw new
SQLFeatureNotSupportedException
+ override def isBeforeFirst: Boolean = {
+ checkOpen()
+ cursor < 1
Review Comment:
Oh wait, should `isBeforeFirst` return `false` if the result contains zero
rows?
https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/java/sql/ResultSet.html#isBeforeFirst()
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