gemini-code-assist[bot] commented on code in PR #39022:
URL: https://github.com/apache/beam/pull/39022#discussion_r3437304283


##########
sdks/java/io/iceberg/src/main/java/org/apache/beam/sdk/io/iceberg/AddFiles.java:
##########
@@ -532,17 +532,25 @@ private Table getOrCreateTable(String filePath, 
FileFormat format) throws IOExce
           org.apache.iceberg.Schema schema = getSchema(filePath, format);
           PartitionSpec spec = PartitionUtils.toPartitionSpec(partitionFields, 
schema);
           SortOrder sortOrder = SortOrderUtils.toSortOrder(sortFields, schema);
-
-          Catalog.TableBuilder builder =
-              catalogConfig
-                  .catalog()
-                  .buildTable(tableId, schema)
-                  .withPartitionSpec(spec)
-                  .withSortOrder(sortOrder);
+          Map<String, String> properties = new HashMap<>();
           if (tableProps != null) {
-            builder.withProperties(tableProps);
+            properties.putAll(tableProps);
+          }
+          if (properties.get(TableProperties.DEFAULT_NAME_MAPPING) == null) {

Review Comment:
   ![medium](https://www.gstatic.com/codereviewagent/medium-priority.svg)
   
   We can simplify the initialization of the `properties` map using a ternary 
operator and use `containsKey` instead of checking if `get()` is `null`. 
Checking `containsKey` is more idiomatic and robust as it explicitly checks for 
the presence of the key and avoids ambiguity if a key is mapped to a `null` 
value.
   
   ```suggestion
             Map<String, String> properties =
                 tableProps != null ? new HashMap<>(tableProps) : new 
HashMap<>();
             if (!properties.containsKey(TableProperties.DEFAULT_NAME_MAPPING)) 
{
   ```



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