rdblue commented on a change in pull request #1715:
URL: https://github.com/apache/iceberg/pull/1715#discussion_r525622926



##########
File path: spark/src/main/java/org/apache/iceberg/actions/BaseSparkAction.java
##########
@@ -86,6 +126,32 @@
     return manifestDF.union(otherMetadataFileDF).union(manifestListDF);
   }
 
+  protected static Dataset<Row> loadMetadataTable(SparkSession spark, String 
tableName, String tableLocation,
+                                                  MetadataTableType type) {
+    DataFrameReader noCatalogReader = spark.read().format("iceberg");
+    if (tableName.contains("/")) {
+      // Metadata location passed, load without a catalog
+      return noCatalogReader.load(tableName + "#" + type);
+    } else {
+      // Try catalog based name based resolution
+      try {
+        return spark.table(tableName + "." + type);
+      } catch (Exception e) {
+        // Catalog based resolution failed, our catalog may be a 
non-DatasourceV2 Catalog
+        if (tableName.startsWith("hadoop.")) {

Review comment:
       This logic is just for Spark 2.x right? If so then maybe we can add a 
comment explaining it and noting when we can remove it.




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