Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/9515#discussion_r44147597
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala
---
@@ -369,7 +369,7 @@ private[sql] class JDBCRDD(
val sqlText = s"SELECT $columnList FROM $fqTable $myWhereClause"
val stmt = conn.prepareStatement(sqlText,
ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY)
- val fetchSize = properties.getProperty("fetchsize", "0").toInt
+ val fetchSize = properties.getProperty("fetchsize", "10").toInt
--- End diff --
I'm not sure I understand. This change is unrelated to the problem you're
discussing. Are you going to update or close them?
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