From 6c988bce7706280280f7dce4bef37c0329e8699c Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Mon, 3 Sep 2018 16:44:54 -0400
Subject: [PATCH] Revert "arrow-cpp: 0.9.0 -> 0.10.0" (#45991)

Hold off the upgrade until parquet 1.5.0 is released.

This reverts commit 72d630779d69b0aff30f47bc8423e10d1dba50b9.

(cherry picked from commit 992d64bf3e7210185e7145014bfc63f9b3719a9f)
---
 pkgs/development/libraries/arrow-cpp/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/arrow-cpp/default.nix b/pkgs/development/libraries/arrow-cpp/default.nix
index 8e89aeb21a243..952f7435c0694 100644
--- a/pkgs/development/libraries/arrow-cpp/default.nix
+++ b/pkgs/development/libraries/arrow-cpp/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "arrow-cpp-${version}";
-  version = "0.10.0";
+  version = "0.9.0";
 
   src = fetchurl {
     url = "mirror://apache/arrow/arrow-${version}/apache-arrow-${version}.tar.gz";
-    sha256 = "0bc4krapz1kzdm16npzmgdz7zvg9lip6rnqbwph8vfn7zji0fcll";
+    sha256 = "16l91fixb5dgx3v6xc73ipn1w1hjgbmijyvs81j7ywzpna2cdcdy";
   };
 
   sourceRoot = "apache-arrow-${version}/cpp";