Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18266#discussion_r137721926
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRelation.scala
---
@@ -111,7 +111,16 @@ private[sql] case class JDBCRelation(
override val needConversion: Boolean = false
- override val schema: StructType = JDBCRDD.resolveTable(jdbcOptions)
+ override val schema: StructType = {
--- End diff --
Please address the above comment.
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