Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/3470#discussion_r21183040
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/sources/interfaces.scala ---
@@ -37,7 +37,7 @@ import
org.apache.spark.sql.catalyst.expressions.{Expression, Attribute}
@DeveloperApi
trait RelationProvider {
/** Returns a new base relation with the given parameters. */
- def createRelation(sqlContext: SQLContext, parameters: Map[String,
String]): BaseRelation
+ def createRelation(sqlContext: SQLContext, parameters:
CaseInsensitiveMap): BaseRelation
--- End diff --
I don't know if we actually want to change the signature here. This is a
public API, and while 1.2 hasn't been officially released, some libraries have
already been published against the original signature.
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