From 8e5cd5e6b0e1bdeb56152e42cfe07ff8130b47fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ra=C3=BAl=20Mar=C3=ADn?= <git@rmr.ninja>
Date: Fri, 12 Jan 2024 10:45:36 +0000
Subject: [PATCH] Try a different approach

---
 src/Interpreters/convertFieldToType.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Interpreters/convertFieldToType.cpp b/src/Interpreters/convertFieldToType.cpp
index 4e38103ac1f..c3b8405659a 100644
--- a/src/Interpreters/convertFieldToType.cpp
+++ b/src/Interpreters/convertFieldToType.cpp
@@ -492,10 +492,11 @@ Field convertFieldToTypeImpl(const Field & src, const IDataType & type, const ID
     if (src.getType() == Field::Types::String)
     {
         /// Promote data type to avoid overflows. Note that overflows in the largest data type are still possible.
+        /// But don't promote Float32, since we want to keep the exact same value
         const IDataType * type_to_parse = &type;
         DataTypePtr holder;
 
-        if (type.canBePromoted())
+        if (type.canBePromoted() && !which_type.isFloat32())
         {
             holder = type.promoteNumericType();
             type_to_parse = holder.get();