slfan1989 commented on code in PR #13913:
URL: https://github.com/apache/iceberg/pull/13913#discussion_r2366046903


##########
spark/v4.0/spark/src/main/java/org/apache/iceberg/spark/procedures/ExpireSnapshotsProcedure.java:
##########
@@ -104,13 +118,14 @@ public ProcedureParameter[] parameters() {
   @Override
   @SuppressWarnings("checkstyle:CyclomaticComplexity")
   public Iterator<Scan> call(InternalRow args) {
-    Identifier tableIdent = toIdentifier(args.getString(0), 
PARAMETERS[0].name());
-    Long olderThanMillis = args.isNullAt(1) ? null : 
DateTimeUtil.microsToMillis(args.getLong(1));
-    Integer retainLastNum = args.isNullAt(2) ? null : args.getInt(2);
-    Integer maxConcurrentDeletes = args.isNullAt(3) ? null : args.getInt(3);
-    Boolean streamResult = args.isNullAt(4) ? null : args.getBoolean(4);
-    long[] snapshotIds = args.isNullAt(5) ? null : 
args.getArray(5).toLongArray();
-    Boolean cleanExpiredMetadata = args.isNullAt(6) ? null : 
args.getBoolean(6);
+    ProcedureInput input = new ProcedureInput(spark(), tableCatalog(), 
PARAMETERS, args);
+    Identifier tableIdent = input.ident(TABLE_PARAM);
+    Long olderThanMillis = input.asTimestampLong(OLDER_THAN_PARAM, null);
+    Integer retainLastNum = input.asInt(RETAIN_LAST_PARAM, null);
+    Integer maxConcurrentDeletes = input.asInt(MAX_CONCURRENT_DELETES_PARAM, 
null);
+    boolean streamResult = input.asBoolean(STREAM_RESULTS_PARAM, false);
+    Long[] snapshotIds = input.asLongArray(SNAPSHOT_IDS_PARAM, null);
+    boolean cleanExpiredMetadata = 
input.asBoolean(CLEAN_EXPIRED_METADATA_PARAM, false);

Review Comment:
   Thank you for the information! From my perspective, changing it to boolean 
is feasible. The unit tests have all passed, and the results are as expected. 
Shall we go ahead and accept this improvement?



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