From 2a7b38bf1f33bd5a27e210b7ca7d73929da44886 Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Sat, 20 Jan 2024 21:09:14 -0800
Subject: [PATCH] Added test for filtering with few rows removed

---
 test/t/018_hnsw_filtering.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/t/018_hnsw_filtering.pl b/test/t/018_hnsw_filtering.pl
index 21b890a..fd61ff4 100644
--- a/test/t/018_hnsw_filtering.pl
+++ b/test/t/018_hnsw_filtering.pl
@@ -39,6 +39,12 @@ my $explain = $node->safe_psql("postgres", qq(
 # TODO Do not use index
 like($explain, qr/Index Scan using idx/);
 
+# Test attribute filtering with few rows removed
+my $explain = $node->safe_psql("postgres", qq(
+	EXPLAIN ANALYZE SELECT i FROM tst WHERE c != $c ORDER BY v <-> '$query' LIMIT $limit;
+));
+like($explain, qr/Index Scan using idx/);
+
 # Test distance filtering
 $explain = $node->safe_psql("postgres", qq(
 	EXPLAIN ANALYZE SELECT i FROM tst WHERE v <-> '$query' < 1 ORDER BY v <-> '$query' LIMIT $limit;