[GitHub] [iceberg] hililiwei commented on a diff in pull request #4709: Docs: Make it clear metadata tables support time travel in Spark

[GitBox <gi...@apache.org>]

hililiwei commented on code in PR #4709:
URL: https://github.com/apache/iceberg/pull/4709#discussion_r867318606


##########
docs/spark/spark-queries.md:
##########
@@ -332,4 +332,15 @@ Metadata tables can be loaded in Spark 2.4 or Spark 3 using the DataFrameReader
 spark.read.format("iceberg").load("db.table.files").show(truncate = false)
 // Hadoop path table
 spark.read.format("iceberg").load("hdfs://nn:8020/path/to/table#files").show(truncate = false)
-```
\ No newline at end of file
+```
+
+You can also inspect Iceberg metadata tables with the time travel feature:
+
+```scala
+// get table's all data files and each data file's metadata at snapshot-id 7277403863961056344
+spark.read
+        .format("iceberg")
+        .option("snapshot-id", 7277403863961056344L)
+        .load("db.table.files")
+        .show()
+```

Review Comment:
   +1 for show it here.



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