suxiaogang223 commented on code in PR #56257:
URL: https://github.com/apache/doris/pull/56257#discussion_r2366665857


##########
fe/fe-core/src/main/java/org/apache/doris/datasource/iceberg/action/IcebergFastForwardAction.java:
##########
@@ -65,7 +71,49 @@ protected void validateIcebergAction() throws UserException {
 
     @Override
     protected List<String> executeAction(TableIf table) throws UserException {
-        throw new DdlException("Iceberg fast_forward procedure is not 
implemented yet");
+        Table icebergTable = ((IcebergExternalTable) table).getIcebergTable();
+
+        String sourceBranch = namedArguments.getString(BRANCH);
+        String desBranch = namedArguments.getString(TO);
+
+        if (sourceBranch == null || sourceBranch.trim().isEmpty()) {
+            throw new UserException("branch parameter is required for 
fast_forward operation");
+        }
+
+        if (desBranch == null) {
+            throw new UserException("to parameter is required for fast_forward 
operation");
+        }

Review Comment:
   same problem



##########
fe/fe-core/src/main/java/org/apache/doris/datasource/iceberg/action/IcebergCherrypickSnapshotAction.java:
##########
@@ -65,7 +71,42 @@ protected void validateIcebergAction() throws UserException {
 
     @Override
     protected List<String> executeAction(TableIf table) throws UserException {
-        throw new DdlException("Iceberg cherrypick_snapshot procedure is not 
implemented yet");
+        Table icebergTable = ((IcebergExternalTable) table).getIcebergTable();
+
+        Long sourceSnapshotId = namedArguments.getLong(SNAPSHOT_ID);
+        if (sourceSnapshotId == null) {
+            throw new UserException("snapshot_id parameter is required for 
cherry-pick operation");
+        }

Review Comment:
   Assert is only needed here because ArgumentParser has checked the required 
parameters for us.



##########
fe/fe-core/src/main/java/org/apache/doris/datasource/iceberg/action/IcebergRollbackToTimestampAction.java:
##########
@@ -87,7 +96,41 @@ protected void validateIcebergAction() throws UserException {
 
     @Override
     protected List<String> executeAction(TableIf table) throws UserException {
-        throw new DdlException("Iceberg rollback_to_timestamp procedure is not 
implemented yet");
+        Table icebergTable = ((IcebergExternalTable) table).getIcebergTable();
+
+        String timestampStr = namedArguments.getString(TIMESTAMP);
+        if (timestampStr == null || timestampStr.trim().isEmpty()) {
+            throw new UserException("timestamp parameter is required for 
rollback_to_timestamp operation");
+        }

Review Comment:
   same problem



##########
fe/fe-core/src/main/java/org/apache/doris/datasource/iceberg/action/IcebergRollbackToSnapshotAction.java:
##########
@@ -62,7 +69,47 @@ protected void validateIcebergAction() throws UserException {
 
     @Override
     protected List<String> executeAction(TableIf table) throws UserException {
-        throw new DdlException("Iceberg rollback_to_snapshot procedure is not 
implemented yet");
+        Table icebergTable = ((IcebergExternalTable) table).getIcebergTable();
+
+        Long targetSnapshotId = namedArguments.getLong(SNAPSHOT_ID);
+        if (targetSnapshotId == null) {
+            throw new UserException("snapshot_id parameter is required for 
rollback operation");
+        }

Review Comment:
   same problem



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