Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18266#discussion_r137721867
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala
---
@@ -80,7 +80,7 @@ object JDBCRDD extends Logging {
* @return A Catalyst schema corresponding to columns in the given order.
*/
private def pruneSchema(schema: StructType, columns: Array[String]):
StructType = {
- val fieldMap = Map(schema.fields.map(x => x.metadata.getString("name")
-> x): _*)
+ val fieldMap = Map(schema.fields.map(x => x.name -> x): _*)
--- End diff --
Sorry, I did not get your point. Could you show me an example? Is it a
behavior breaking change?
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