zstan commented on code in PR #4328:
URL: https://github.com/apache/calcite/pull/4328#discussion_r2059699005
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core/src/main/java/org/apache/calcite/plan/RelOptUtil.java:
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@@ -4556,10 +4556,10 @@ private void acceptFields(final List<RelDataTypeField>
fields) {
* Visitor which builds a bitmap of the inputs used by an expression.
*/
public static class InputFinder extends RexVisitorImpl<Void> {
- private final ImmutableBitSet.Builder bitBuilder;
- private final @Nullable Set<RelDataTypeField> extraFields;
+ protected final ImmutableBitSet.Builder bitBuilder;
+ protected final @Nullable Set<RelDataTypeField> extraFields;
- private InputFinder(@Nullable Set<RelDataTypeField> extraFields,
+ public InputFinder(@Nullable Set<RelDataTypeField> extraFields,
Review Comment:
thanks, done
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