[fix](vector) column prune is wrong on virtual column (apache#50550)

Author: morrySnow

fe/fe-core/src/main/java/org/apache/doris/nereids/glue/translator/PhysicalPlanTranslator.java

@@ -2691,9 +2691,28 @@ private SortNode translateSortNode(AbstractPhysicalSort<? extends Plan> sort, Pl
     private void updateScanSlotsMaterialization(ScanNode scanNode,
             Set<SlotId> requiredSlotIdSet, Set<SlotId> requiredByProjectSlotIdSet,
             PlanTranslatorContext context) {
+        Set<SlotId> requiredWithVirtualColumns = Sets.newHashSet(requiredSlotIdSet);
+        for (SlotDescriptor virtualSlot : scanNode.getTupleDesc().getSlots()) {
+            Expr virtualColumn = virtualSlot.getVirtualColumn();
+            if (virtualColumn == null) {
+                continue;
+            }
+            Set<Expr> slotRefs = Sets.newHashSet();
+            virtualColumn.collect(e -> e instanceof SlotRef, slotRefs);
+            Set<SlotId> virtualColumnInputSlotIds = slotRefs.stream()
+                    .filter(s -> s instanceof SlotRef)
+                    .map(s -> (SlotRef) s)
+                    .map(SlotRef::getSlotId)
+                    .collect(Collectors.toSet());
+            for (SlotDescriptor slot : scanNode.getTupleDesc().getSlots()) {
+                if (virtualColumnInputSlotIds.contains(slot.getId()) && slot.getColumn() != null) {
+                    requiredWithVirtualColumns.add(slot.getId());
+                }
+            }
+        }
         // TODO: use smallest slot if do not need any slot in upper node
         SlotDescriptor smallest = scanNode.getTupleDesc().getSlots().get(0);
-        scanNode.getTupleDesc().getSlots().removeIf(s -> !requiredSlotIdSet.contains(s.getId()));
+        scanNode.getTupleDesc().getSlots().removeIf(s -> !requiredWithVirtualColumns.contains(s.getId()));
         if (scanNode.getTupleDesc().getSlots().isEmpty()) {
             scanNode.getTupleDesc().getSlots().add(smallest);
         }

fe/fe-core/src/main/java/org/apache/doris/planner/OlapScanNode.java

@@ -1901,6 +1901,24 @@ public void updateRequiredSlots(PlanTranslatorContext context,
                 outputColumnUniqueIds.add(slot.getColumn().getUniqueId());
             }
         }
+        for (SlotDescriptor virtualSlot : context.getTupleDesc(this.getTupleId()).getSlots()) {
+            Expr virtualColumn = virtualSlot.getVirtualColumn();
+            if (virtualColumn == null) {
+                continue;
+            }
+            Set<Expr> slotRefs = Sets.newHashSet();
+            virtualColumn.collect(e -> e instanceof SlotRef, slotRefs);
+            Set<SlotId> virtualColumnInputSlotIds = slotRefs.stream()
+                    .filter(s -> s instanceof SlotRef)
+                    .map(s -> (SlotRef) s)
+                    .map(SlotRef::getSlotId)
+                    .collect(Collectors.toSet());
+            for (SlotDescriptor slot : context.getTupleDesc(this.getTupleId()).getSlots()) {
+                if (virtualColumnInputSlotIds.contains(slot.getId()) && slot.getColumn() != null) {
+                    outputColumnUniqueIds.add(slot.getColumn().getUniqueId());
+                }
+            }
+        }
     }
 
     @Override