Yuti-G commented on code in PR #1035:
URL: https://github.com/apache/lucene/pull/1035#discussion_r965481865
##########
lucene/CHANGES.txt:
##########
@@ -52,6 +52,8 @@ Improvements
* LUCENE-10614: Properly support getTopChildren in RangeFacetCounts. (Yuting
Gan)
+* LUCENE-10652: Add a top-n range faceting example to RangeFacetsExample.
(Yuting Gan)
Review Comment:
Yes, thanks!
##########
lucene/demo/src/java/org/apache/lucene/demo/facet/RangeFacetsExample.java:
##########
@@ -73,6 +77,31 @@ public void index() throws IOException {
indexWriter.addDocument(doc);
}
+ // Add documents with a fake timestamp for the past 7 days (24 * 7 = 168
hours), 3600 sec (1
+ // hour) from "now", 7200 sec (2 hours) from "now", ...:
+ long startTime = 0;
+ for (int i = 0; i < 168; i++) {
+ long endTime = (i + 1) * 3600;
+ // Choose a relatively large number, e,g., "35", to create variation in
count for
+ // the top n children, so that calling getTopChildren(10) can return top
10 children with
+ // different counts
+ for (int j = 0; j < i % 35; j++) {
+ Document doc = new Document();
+ Random r = new Random();
+ // Randomly generate a timestamp within the current range
+ long randomTimestamp = r.nextLong(1, endTime - startTime) + startTime;
+ // Add as doc values field, so we can compute range facets:
+ doc.add(new NumericDocValuesField("error timestamp", randomTimestamp));
+ doc.add(
+ new StringField(
+ "Error message", "Server encountered error at " +
randomTimestamp, Field.Store.NO));
Review Comment:
Sure, addressed in the new revision. Thanks!
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