FANNG1 commented on code in PR #6824:
URL: https://github.com/apache/gravitino/pull/6824#discussion_r2055120253


##########
spark-connector/spark-common/src/main/java/org/apache/gravitino/spark/connector/jdbc/JdbcPropertiesConverter.java:
##########
@@ -63,7 +76,16 @@ public Map<String, String> 
toSparkCatalogProperties(Map<String, String> properti
 
   @Override
   public Map<String, String> toGravitinoTableProperties(Map<String, String> 
properties) {
-    return new HashMap<>(properties);
+    if (!supportsTableProperties) {
+      for (String key : properties.keySet()) {
+        if (!"owner".equalsIgnoreCase(key)) {
+          throw new UnsupportedOperationException("Doesn't support table 
property " + key);
+        }
+      }
+      return new HashMap<>();

Review Comment:
   Collections.emptyMap is preferred because it doesn't create an new map every 
time, but this is not an blocking issue, let's go ahead



##########
spark-connector/spark-common/src/main/java/org/apache/gravitino/spark/connector/jdbc/JdbcPropertiesConverter.java:
##########
@@ -63,7 +76,16 @@ public Map<String, String> 
toSparkCatalogProperties(Map<String, String> properti
 
   @Override
   public Map<String, String> toGravitinoTableProperties(Map<String, String> 
properties) {
-    return new HashMap<>(properties);
+    if (!supportsTableProperties) {
+      for (String key : properties.keySet()) {
+        if (!"owner".equalsIgnoreCase(key)) {
+          throw new UnsupportedOperationException("Doesn't support table 
property " + key);
+        }
+      }
+      return new HashMap<>();

Review Comment:
   `Collections.emptyMap` is preferred because it doesn't create an new map 
every time, but this is not an blocking issue, let's go ahead



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