From 56952095a8d49986016e23f44a21bd8fda579628 Mon Sep 17 00:00:00 2001
From: evenyag <realevenyag@gmail.com>
Date: Tue, 3 Dec 2024 19:26:10 +0800
Subject: [PATCH] fix: parallel scan on multiple sources

---
 src/mito2/src/read/scan_region.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mito2/src/read/scan_region.rs b/src/mito2/src/read/scan_region.rs
index 2624f29547..025a4333bb 100644
--- a/src/mito2/src/read/scan_region.rs
+++ b/src/mito2/src/read/scan_region.rs
@@ -621,7 +621,7 @@ impl ScanInput {
         sources: Vec<Source>,
         semaphore: Arc<Semaphore>,
     ) -> Result<Vec<Source>> {
-        if sources.len() > 1 {
+        if sources.len() <= 1 {
             return Ok(sources);
         }