jpountz commented on code in PR #14996:
URL: https://github.com/apache/lucene/pull/14996#discussion_r2243070631
##########
lucene/core/src/java/org/apache/lucene/util/FixedBits.java:
##########
@@ -31,8 +33,17 @@ public boolean get(int index) {
}
@Override
- public void applyMask(FixedBitSet dest, int offset) {
- bitSet.applyMask(dest, offset);
+ public void applyMask(FixedBitSet bitSet, int offset) {
+ // Note: Some scorers don't track maxDoc and may thus call this method
with an offset that is
+ // beyond bitSet.length()
+ int length = Math.min(bitSet.length(), length() - offset);
+ if (length >= 0) {
+ FixedBitSet.andRange(this.bitSet, offset, bitSet, 0, length);
+ }
+ if (length < bitSet.length()
+ && bitSet.nextSetBit(Math.max(0, length)) !=
DocIdSetIterator.NO_MORE_DOCS) {
+ throw new IllegalArgumentException("Some bits are set beyond the end of
live docs");
Review Comment:
Right, I'll fix.
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