wangshuo128 commented on code in PR #17853:
URL: https://github.com/apache/doris/pull/17853#discussion_r1138297316
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/logical/LogicalOlapScan.java:
##########
@@ -302,23 +306,42 @@ public List<Slot> computeOutput() {
@Override
public List<Slot> computeNonUserVisibleOutput() {
- // if (getTable().getIndexIdToMeta().size() == 1) {
- // return ImmutableList.of();
- // }
- Set<String> baseSchemaColNames = table.getBaseSchema().stream()
- .map(Column::getName)
- .collect(Collectors.toSet());
-
OlapTable olapTable = (OlapTable) table;
- // extra columns in materialized index, such as `mv_bitmap_union_xxx`
return olapTable.getVisibleIndexIdToMeta().values()
.stream()
.filter(index -> index.getIndexId() != ((OlapTable)
table).getBaseIndexId())
- .flatMap(index -> index.getSchema()
- .stream()
- .filter(col ->
!baseSchemaColNames.contains(col.getName()))
- )
- .map(col -> SlotReference.fromColumn(col, qualified()))
+ .flatMap(index -> index.getSchema().stream())
+ .map(col -> {
+ if (mvNameToSlot.containsKey(col.getName())) {
+ return mvNameToSlot.get(col.getName());
+ }
+ Slot slot = SlotReference.fromColumn(col, qualified());
+ mvNameToSlot.put(col.getName(), slot);
+ return slot;
+ })
+ .collect(ImmutableList.toImmutableList());
+ }
+
+ /**
+ * Get the slot under the index,
+ * and create a new slotReference for the slot that has not appeared in
the materialized view.
+ */
+ public List<Slot> getOutputWithIndex(long mvIndex) {
+ if (mvIndex == ((OlapTable) table).getBaseIndexId()) {
+ return getOutput();
+ }
+
+ OlapTable olapTable = (OlapTable) table;
+ return olapTable.getVisibleIndexIdToMeta().get(mvIndex).getSchema()
+ .stream()
+ .map(col -> {
+ if (mvNameToSlot.containsKey(col.getName())) {
+ return mvNameToSlot.get(col.getName());
+ }
+ Slot slot = SlotReference.fromColumn(col, qualified());
+ mvNameToSlot.put(col.getName(), slot);
+ return slot;
Review Comment:
generateUniqueSlot
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