Yizhou-Yang commented on code in PR #8209:
URL: https://github.com/apache/inlong/pull/8209#discussion_r1255181201


##########
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/kafka/src/main/java/org/apache/inlong/sort/kafka/table/KafkaDynamicTableFactory.java:
##########
@@ -260,15 +268,23 @@ private Optional<FlinkKafkaPartitioner<RowData>> 
getFlinkKafkaPartitioner(
             
inLongFixedPartitionPartitioner.setSinkMultipleFormat(tableOptions.getOptional(SINK_MULTIPLE_FORMAT)
                     .orElse(null));
             return Optional.of(inLongFixedPartitionPartitioner);
-        }
-        if (tableOptions.getOptional(SINK_PARTITIONER).isPresent()
+        } else if (tableOptions.getOptional(SINK_PARTITIONER).isPresent()
                 && 
SINK_PARTITIONER_VALUE_RAW_HASH.equals(tableOptions.getOptional(SINK_PARTITIONER).get()))
 {
             RawDataHashPartitioner<RowData> rawHashPartitioner = new 
RawDataHashPartitioner<>(tableOptions
                     
.getOptional(DATASOURCE_PARTITION_MAP).orElse(Collections.emptyMap()));
             
rawHashPartitioner.setSinkMultipleFormat(tableOptions.getOptional(SINK_MULTIPLE_FORMAT).orElse(null));
             
rawHashPartitioner.setPartitionPattern(tableOptions.getOptional(SINK_MULTIPLE_PARTITION_PATTERN)
                     .orElse(null));
             return Optional.of(rawHashPartitioner);
+        } else if (tableOptions.getOptional(SINK_PARTITIONER).isPresent()
+                && 
SINK_PARTITIONER_VALUE_PRIMARY_KEY.equals(tableOptions.getOptional(SINK_PARTITIONER).get()))
 {
+            SingleTablePrimaryKeyPartitioner<RowData> primaryKeyPartitioner = 
new SingleTablePrimaryKeyPartitioner<>();
+            // the pattern is different from the ${} pattern, it is a 
truncated string of schema fields.
+            
primaryKeyPartitioner.setPartitionNumber(tableOptions.getOptional(SINK_FIXED_IDENTIFIER).orElse(null));
+            
primaryKeyPartitioner.setPartitionKey(tableOptions.getOptional(SINK_MULTIPLE_PARTITION_PATTERN)

Review Comment:
   description has been added



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