[flink]support more partition type

Author: Alibaba-HZY

fluss-flink/fluss-flink-common/src/main/java/org/apache/fluss/flink/source/FlinkTableSource.java

@@ -541,7 +541,7 @@ && hasPrimaryKey()
                     }
                     // Convert literals in the predicate to string using
                     // PartitionUtils.convertValueOfType
-                    p = convertPredicateLiteralsToString(p);
+                    p = stringifyPredicate(p);
                     converted.add(p);
                 } else {
                     remainingFilters.add(filter);
@@ -684,7 +684,7 @@ public int[] getPartitionKeyIndexes() {
      * PartitionUtils.convertValueOfType. This is necessary because partition metadata is stored as
      * string.
      */
-    private Predicate convertPredicateLiteralsToString(Predicate predicate) {
+    private Predicate stringifyPredicate(Predicate predicate) {
         if (predicate instanceof LeafPredicate) {
             // Convert literals to string using PartitionUtils.convertValueOfType
             List<Object> convertedLiterals = new ArrayList<>();