Github user MaxGekk commented on a diff in the pull request:
https://github.com/apache/spark/pull/21173#discussion_r184807004
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/jdbc/JDBCSuite.scala
---
@@ -1190,4 +1190,20 @@ class JDBCSuite extends SparkFunSuite
assert(sql("select * from people_view").schema === schema)
}
}
+
+ test("SPARK-23856 Spark jdbc setQueryTimeout option") {
+ val numJoins = 100
+ val longRunningQuery =
+ s"SELECT t0.NAME AS c0, ${(1 to numJoins).map(i => s"t$i.NAME AS
c$i").mkString(", ")} " +
+ s"FROM test.people t0 ${(1 to numJoins).map(i => s"join
test.people t$i").mkString(" ")}"
+ val df = spark.read.format("jdbc")
+ .option("Url", urlWithUserAndPass)
+ .option("dbtable", s"($longRunningQuery)")
+ .option("queryTimeout", "1")
--- End diff --
It could be just `.option("queryTimeout", 1)`
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