gsmiller commented on code in PR #12560: URL: https://github.com/apache/lucene/pull/12560#discussion_r1327624072
########## lucene/expressions/src/java/org/apache/lucene/expressions/ExpressionFunctionValues.java: ########## @@ -39,21 +39,21 @@ class ExpressionFunctionValues extends DoubleValues { } @Override - public boolean advanceExact(int doc) { + public boolean advanceExact(int doc) throws IOException { if (currentDoc == doc) { return true; } + for (DoubleValues v : functionValues) { + v.advanceExact(doc); Review Comment: In this layer, yes. But all these DoubleValue instances come from `ExpressionValueSource#zeroWhenUnpositioned` (see the setup done in `ExpressionValueSource#getValues`). In this PR, I'm proposing pushing down the lazy advancing into that layer. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org