From ecc77e275f3e54f0ab9336211665ba4fbbf09dad Mon Sep 17 00:00:00 2001
From: Danila Belous <belous.dp@gmail.com>
Date: Wed, 18 Dec 2024 16:52:54 +0300
Subject: [PATCH 1/2] fix INT128_MIN write

---
 src/write.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/write.jl b/src/write.jl
index b0b14108..314f5e1a 100644
--- a/src/write.jl
+++ b/src/write.jl
@@ -435,7 +435,7 @@ end
 
 function writecell(buf, pos, len, io, x::Integer, opts)
     if x < 0
-        x *= -1
+        x = unsigned(-(x + 1)) + 1
         @check 1
         @inbounds buf[pos] = UInt8('-')
         pos += 1

From 1c1ce1ede6456be9fed2504413e6485f2ffee7e7 Mon Sep 17 00:00:00 2001
From: Danila Belous <belous.dp@gmail.com>
Date: Wed, 18 Dec 2024 17:43:10 +0300
Subject: [PATCH 2/2] add write INT128_MIN test

---
 test/write.jl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/write.jl b/test/write.jl
index a9f683f3..671d8fe0 100644
--- a/test/write.jl
+++ b/test/write.jl
@@ -195,6 +195,12 @@ Base.string(x::AF) = string(x.f)
             [StructType(Date("2021-12-01"), "string 1", 123.45), StructType(Date("2021-12-02"), "string 2", 456.78)],
             (header=["Date Column", "String Column", "Number Column"],),
             "Date Column,String Column,Number Column\n2021-12-01,string 1,123.45\n2021-12-02,string 2,456.78\n"
+        ),
+        # 1151
+        (
+            [(a=Int128(-170141183460469231731687303715884105728),)],
+            NamedTuple(),
+            "a\n-170141183460469231731687303715884105728\n"
         )
     ]