From 439bbd98610983087cdcd324ba9c7cbc9890fef2 Mon Sep 17 00:00:00 2001
From: alesapin <alesapin@gmail.com>
Date: Tue, 20 Oct 2020 18:30:46 +0300
Subject: [PATCH] Blind performance fix

---
 src/Storages/MergeTree/SimpleMergeSelector.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Storages/MergeTree/SimpleMergeSelector.cpp b/src/Storages/MergeTree/SimpleMergeSelector.cpp
index cbb24d1494e..65d9aaecdab 100644
--- a/src/Storages/MergeTree/SimpleMergeSelector.cpp
+++ b/src/Storages/MergeTree/SimpleMergeSelector.cpp
@@ -90,6 +90,9 @@ double mapPiecewiseLinearToUnit(double value, double min, double max)
 
 /** Is allowed to merge parts in range with specific properties.
   */
+#if defined(__clang__)
+    ALWAYS_INLINE
+#endif
 bool allow(
     double sum_size,
     double max_size,