MaxGekk commented on a change in pull request #29317:
URL: https://github.com/apache/spark/pull/29317#discussion_r463703068
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala
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@@ -819,8 +819,10 @@ object JdbcUtils extends Logging {
if (null != customSchema && customSchema.nonEmpty) {
Review comment:
JDBC spec mentions the STRUCT type, for example
https://docs.oracle.com/javase/8/docs/api/java/sql/Types.html#STRUCT.
At least, you can access to Spark cluster from another Spark cluster via
JDBC ;-)
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