From cc38ac37640928737586b83decb20208cb32bd95 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@clickhouse.com>
Date: Sun, 11 Sep 2022 03:03:37 +0200
Subject: [PATCH] Better parallel hash JOIN for floats

---
 src/Columns/ColumnVector.cpp | 2 +-
 src/Common/HashTable/Hash.h  | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/Columns/ColumnVector.cpp b/src/Columns/ColumnVector.cpp
index d89917fc6c2..d4408bb7f27 100644
--- a/src/Columns/ColumnVector.cpp
+++ b/src/Columns/ColumnVector.cpp
@@ -90,7 +90,7 @@ void ColumnVector<T>::updateWeakHash32(WeakHash32 & hash) const
 
     while (begin < end)
     {
-        *hash_data = intHashCRC32(*begin, *hash_data);
+        *hash_data = hashCRC32(*begin, *hash_data);
         ++begin;
         ++hash_data;
     }
diff --git a/src/Common/HashTable/Hash.h b/src/Common/HashTable/Hash.h
index bf691458d27..9d240bee461 100644
--- a/src/Common/HashTable/Hash.h
+++ b/src/Common/HashTable/Hash.h
@@ -220,7 +220,7 @@ template <typename T> struct HashCRC32;
 
 template <typename T>
 requires (sizeof(T) <= sizeof(UInt64))
-inline size_t hashCRC32(T key)
+inline size_t hashCRC32(T key, DB::UInt64 updated_value = -1)
 {
     union
     {
@@ -229,14 +229,14 @@ inline size_t hashCRC32(T key)
     } u;
     u.out = 0;
     u.in = key;
-    return intHashCRC32(u.out);
+    return intHashCRC32(u.out, updated_value);
 }
 
 template <typename T>
 requires (sizeof(T) > sizeof(UInt64))
-inline size_t hashCRC32(T key)
+inline size_t hashCRC32(T key, DB::UInt64 updated_value = -1)
 {
-    return intHashCRC32(key, -1);
+    return intHashCRC32(key, updated_value);
 }
 
 #define DEFINE_HASH(T) \