[hotfix] Use literal directly instead of PARTITION_GENERATE_LEGCY_NAME to avoid NoSuchField error (apache#1880)

Author: luoyuxia

fluss-lake/fluss-lake-paimon/src/main/java/org/apache/fluss/lake/paimon/utils/PaimonConversions.java

@@ -49,6 +49,13 @@
 /** Utils for conversion between Paimon and Fluss. */
 public class PaimonConversions {
 
+    // use literal directly, a future paimon version will rename
+    // the variable PARTITION_GENERATE_LEGCY_NAME to PARTITION_GENERATE_LEGACY_NAME, use literal
+    // can help avoid NoSuchField error
+    // todo: after upgrade paimon version, we call fall back to use PARTITION_GENERATE_LEGACY_NAME
+    // again
+    private static final String PARTITION_GENERATE_LEGACY_NAME_OPTION_KEY = "partition.legacy-name";
+
     // for fluss config
     private static final String FLUSS_CONF_PREFIX = "fluss.";
     // for paimon config
@@ -60,7 +67,7 @@ public class PaimonConversions {
     static {
         PAIMON_UNSETTABLE_OPTIONS.add(CoreOptions.BUCKET.key());
         PAIMON_UNSETTABLE_OPTIONS.add(CoreOptions.BUCKET_KEY.key());
-        PAIMON_UNSETTABLE_OPTIONS.add(CoreOptions.PARTITION_GENERATE_LEGCY_NAME.key());
+        PAIMON_UNSETTABLE_OPTIONS.add(PARTITION_GENERATE_LEGACY_NAME_OPTION_KEY);
     }
 
     public static RowKind toRowKind(ChangeType changeType) {
@@ -219,7 +226,7 @@ private static void validatePaimonOptions(Map<String, String> properties) {
     private static void setPaimonDefaultProperties(Options options) {
         // set partition.legacy-name to false, otherwise paimon will use toString for all types,
         // which will cause inconsistent partition value for the same binary value
-        options.set(CoreOptions.PARTITION_GENERATE_LEGCY_NAME, false);
+        options.set(PARTITION_GENERATE_LEGACY_NAME_OPTION_KEY, Boolean.FALSE.toString());
     }
 
     private static void setFlussPropertyToPaimon(String key, String value, Options options) {