Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/10541#discussion_r49229854
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetRelation.scala
---
@@ -147,6 +147,12 @@ private[sql] class ParquetRelation(
.get(ParquetRelation.METASTORE_SCHEMA)
.map(DataType.fromJson(_).asInstanceOf[StructType])
+ // If this relation is converted from a Hive metastore table, this
method returns the name of the
+ // original Hive metastore table.
+ private[sql] def metastoreTableName: Option[TableIdentifier] = {
+
parameters.get(ParquetRelation.METASTORE_TABLE_NAME).map(SqlParser.parseTableIdentifier)
--- End diff --
I am wondering if we can provide a general mechanism to handle all data
source tables (even the table is converted from metastore).
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