richardstartin commented on a change in pull request #7565:
URL: https://github.com/apache/pinot/pull/7565#discussion_r727314178
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/query/pruner/DataSchemaSegmentPruner.java
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@@ -35,7 +35,13 @@ public void init(PinotConfiguration config) {
@Override
public boolean prune(IndexSegment segment, QueryContext query) {
- return !segment.getColumnNames().containsAll(query.getColumns());
+ for (String column : query.getColumns()) {
+ if (segment.getColumnNames().contains(column)) {
+ return false;
+ }
+ }
+ // don't prune unless the segment has none of the relevant columns
+ return !query.getColumns().isEmpty();
Review comment:
I don't think this needs to change.
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