ygerzhedovich commented on code in PR #4807:
URL: https://github.com/apache/ignite-3/pull/4807#discussion_r1873316096


##########
modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/rel/ModifyNode.java:
##########
@@ -465,9 +479,25 @@ private boolean hasUpsertSemantic(int rowSize) {
 
             assert !columnDescriptor.virtual() : "Virtual column can't be 
updated";
 
-            mapping[columnDescriptor.logicalIndex()] = columnCount + i;
+            mapping[columnDescriptor.logicalIndex()] = columnCount + i + 
mergeOffset;
         }
 
         return mapping;
     }
+
+    private RowSchema getMappedRowSchema(RowFactory<RowT> inputRowFactory, 
int[] mapping) {
+        RowSchema schema;
+        if (mapping != null) {
+            List<TypeSpec> fields = inputRowFactory.rowSchema().fields();
+            Builder builder = RowSchema.builder();
+            for (int i : mapping) {
+                TypeSpec typeSpec = fields.get(i);
+                builder.addField(typeSpec);
+            }
+            schema = builder.build();
+        } else {
+            schema = inputRowFactory.rowSchema();
+        }
+        return schema;
+    }

Review Comment:
   I'm not aware of another place. Could you please show it to me?



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