nssalian commented on a change in pull request #3275:
URL: https://github.com/apache/iceberg/pull/3275#discussion_r752698657



##########
File path: core/src/main/java/org/apache/iceberg/jdbc/JdbcCatalog.java
##########
@@ -250,10 +266,114 @@ public void setConf(Configuration conf) {
     this.conf = conf;
   }
 
+  private boolean insertProperties(Namespace namespace, Map<String, String> 
properties) {
+    String namespaceName = JdbcUtil.namespaceToString(namespace);
+
+    try {
+      int insertedRecords = connections.run(conn -> {
+        StringBuilder sqlStatement = new 
StringBuilder(JdbcUtil.INSERT_NAMESPACE_PROPERTIES_SQL);
+
+        for (int i = 0; i < properties.size(); i++) {
+          if (i != 0) {
+            sqlStatement.append(", ");
+          }
+          sqlStatement.append(JdbcUtil.INSERT_PROPERTIES_VALUES_BASE);
+        }
+
+        try (PreparedStatement sql = 
conn.prepareStatement(sqlStatement.toString())) {
+          int rowIndex = 0;
+          for (Map.Entry<String, String> keyValue : properties.entrySet()) {
+            sql.setString(rowIndex + 1, catalogName);
+            sql.setString(rowIndex + 2, namespaceName);
+            sql.setString(rowIndex + 3, keyValue.getKey());
+            sql.setString(rowIndex + 4, keyValue.getValue());
+            rowIndex += 4;
+          }
+          return sql.executeUpdate();
+        }
+      });
+
+      if (insertedRecords == properties.size()) {
+        LOG.debug("Successfully committed to new namespace: {}", 
namespaceName);
+        return true;
+      } else {
+        throw new CommitFailedException("Failed to insertProperties to 
namespace %s in catalog %s", namespaceName,

Review comment:
       I see the same exception in createTable
   ```
   if (insertRecord == 1) {
         LOG.debug("Successfully committed to new table: {}", tableIdentifier);
       } else {
         throw new CommitFailedException("Failed to create table %s in catalog 
%s", tableIdentifier, catalogName);
       }
   ``` 
   I can certainly change it to `IllegalStateException` 




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