From 7aeeb190486e98eb1eeb123176b1831edca083f0 Mon Sep 17 00:00:00 2001
From: Amos Bird <amosbird@gmail.com>
Date: Fri, 14 Jun 2024 17:55:35 +0800
Subject: [PATCH] Shortcut ft matching process with one posting list

---
 src/Interpreters/GinFilter.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Interpreters/GinFilter.cpp b/src/Interpreters/GinFilter.cpp
index 5d8233183132..3a1a5fb403e6 100644
--- a/src/Interpreters/GinFilter.cpp
+++ b/src/Interpreters/GinFilter.cpp
@@ -166,6 +166,10 @@ bool GinFilter::match(const GinPostingsCache & postings_cache) const
     if (hasEmptyPostingsList(postings_cache))
         return false;
 
+    /// If there is only one non-empty posting list, it is a match.
+    if (postings_cache.size() == 1)
+        return true;
+
     /// Check for each row ID ranges
     for (const auto & rowid_range: rowid_ranges)
         if (matchInRange(postings_cache, rowid_range.segment_id, rowid_range.range_start, rowid_range.range_end))