From 8410ff0f500f29ed1b5ccf93ac2ca598774242f6 Mon Sep 17 00:00:00 2001
From: Zhi Qi <qizhi@pingcap.com>
Date: Fri, 10 Mar 2023 16:57:25 +0800
Subject: [PATCH 1/2] fast fix

---
 dbms/src/Functions/divide.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dbms/src/Functions/divide.cpp b/dbms/src/Functions/divide.cpp
index 132f6fae623..a0ba895b78b 100644
--- a/dbms/src/Functions/divide.cpp
+++ b/dbms/src/Functions/divide.cpp
@@ -65,7 +65,7 @@ struct TiDBDivideFloatingImpl<A, B, false>
         /// ref https://github.com/pingcap/tiflash/issues/6462
         /// For division of Decimal/Decimal or Int/Decimal or Decimal/Int, we should round the result to make compatible with TiDB.
         /// basically refer to https://stackoverflow.com/a/71634489
-        if constexpr (std::is_integral_v<Result> || std::is_same_v<Result, Int256>)
+        if constexpr (std::is_integral_v<Result> || std::is_same_v<Result, Int256> || std::is_same_v<Result, Int512>)
         {
             /// 1. do division first, get the quotient and mod, todo:(perf) find a unified `divmod` function to speed up this.
             Result quotient = x / d;

From 8fb514848469c955f6146c8d1c6dd035b41a7b4f Mon Sep 17 00:00:00 2001
From: Zhi Qi <qizhi@pingcap.com>
Date: Fri, 10 Mar 2023 17:15:44 +0800
Subject: [PATCH 2/2] unit test

---
 dbms/src/Functions/tests/gtest_arithmetic_functions.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dbms/src/Functions/tests/gtest_arithmetic_functions.cpp b/dbms/src/Functions/tests/gtest_arithmetic_functions.cpp
index 4ba24d677f3..4fdfdb3fb15 100644
--- a/dbms/src/Functions/tests/gtest_arithmetic_functions.cpp
+++ b/dbms/src/Functions/tests/gtest_arithmetic_functions.cpp
@@ -154,6 +154,7 @@ try
     doTiDBDivideDecimalRoundInternalTest<Int64>();
     doTiDBDivideDecimalRoundInternalTest<Int128>();
     doTiDBDivideDecimalRoundInternalTest<Int256>();
+    doTiDBDivideDecimalRoundInternalTest<Int512>();
 }
 CATCH