viirya commented on a change in pull request #28647:
URL: https://github.com/apache/spark/pull/28647#discussion_r431428218



##########
File path: 
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala
##########
@@ -2632,7 +2632,6 @@ class HiveDDLSuite
       assert(source.properties("a") == "apple")
       sql("CREATE TABLE t LIKE s STORED AS parquet TBLPROPERTIES('f'='foo', 
'b'='bar')")
       val table = catalog.getTableMetadata(TableIdentifier("t"))
-      assert(table.properties.get("a") === None)

Review comment:
       Based on the description of `CreateTableLikeCommand`:
   
   > The CatalogTable attributes copied from the source table are 
storage(inputFormat, outputFormat, serde, compressed, properties), schema, 
provider, partitionColumnNames, bucketSpec by default.
   
   So we don't say table properties are copied from source table too. Not sure 
about why we didn't copy table properties.
   
   I feel it is OK as seems copying original table properties should not be 
harmful. And we already copy storage properties.
   
   But we should update the doc together.
   




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