HyukjinKwon commented on a change in pull request #31196:
URL: https://github.com/apache/spark/pull/31196#discussion_r559157951
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/LogicalRelation.scala
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@@ -64,7 +64,8 @@ case class LogicalRelation(
}
override def simpleString(maxFields: Int): String = {
- s"Relation[${truncatedString(output, ",", maxFields)}] $relation"
+ s"Relation ${catalogTable.map(_.identifier.unquotedString).getOrElse("")}"
+
+ s"[${truncatedString(output, ",", maxFields)}] $relation"
Review comment:
The problem is that it doesn't seem to show a table name:
https://github.com/apache/spark/blob/e3058ba17cb4512537953eb4ded884e24ee93ba2/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/FileDataSourceV2.scala#L66-L71
Is it because `Table` API lets users to implement what name it returns, and
Spark does not implement a catalog for its internal file sources? Seems like
JDBC v2 supports its fully qualified name via `Identifier.toString`. If this is
the case, I think it's fine.
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