Github user sureshthalamati commented on a diff in the pull request:
https://github.com/apache/spark/pull/16891#discussion_r100976190
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/jdbc/JDBCSuite.scala
---
@@ -925,4 +925,53 @@ class JDBCSuite extends SparkFunSuite
assert(res.generatedRows.isEmpty)
assert(res.outputRows === foobarCnt :: Nil)
}
+
+ test("SPARK-19318: Connection properties keys should be
case-sensitivie.") {
+ val parameters = Map(
+ "url" -> urlWithUserAndPass,
+ "dbTable" -> "t1",
+ "numPartitions" -> "10",
+ "oracle.jdbc.mapDateToTimestamp" -> "false"
+ )
+
+ assert(new JDBCOptions(parameters).asConnectionProperties.keySet()
+ .toArray()(0) == "oracle.jdbc.mapDateToTimestamp")
+
+ val caseInsensitiveMap = new CaseInsensitiveMap(parameters)
+ assert(new
JDBCOptions(caseInsensitiveMap).asConnectionProperties.keySet()
+ .toArray()(0) == "oracle.jdbc.mapDateToTimestamp")
+ assert(caseInsensitiveMap.get("dbtable").get == "t1")
+
+ // add new key-value to case-insensitive map
+ val caseInsensitiveMap1 = caseInsensitiveMap + ("connTimeOut" -> "60")
+ val connProps = new
JDBCOptions(caseInsensitiveMap1).asConnectionProperties
+ assert(connProps.get("oracle.jdbc.mapDateToTimestamp") == "false")
+ assert(connProps.get("connTimeOut") == "60")
+ assert(caseInsensitiveMap1.get("dbtable").get == "t1")
+
+ // remove key from case-insensitive map
--- End diff --
done.
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