From 8983344c11bb9d4531399c56bce22f594cd85a32 Mon Sep 17 00:00:00 2001
From: zhihanz <zzh243402448@gmail.com>
Date: Thu, 13 Jan 2022 18:18:43 +0800
Subject: [PATCH] disable std io buffer during CI(otherwise it would introduce
 flaky issue during redirection)

---
 .gitignore          | 2 ++
 tests/databend-test | 3 +--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index 04f2c6fbc999a..bacf93eaa758f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,8 @@
 # visual studio code files
 .vscode
 .dir-locals.el
+.bash_history
+.mysql_history
 
 # Rust
 target/
diff --git a/tests/databend-test b/tests/databend-test
index 8a4c2769c85e6..f006fd8cba2cd 100755
--- a/tests/databend-test
+++ b/tests/databend-test
@@ -65,7 +65,6 @@ def run_single_test(args, ext, client_options, case_file, stdout_file,
         pattern = "sed '/^\s*--/d' {test} | {client} {options} > {stdout} 2>&1"
 
     command = pattern.format(**params)
-
     proc = Popen(command, shell=True, env=os.environ)
     start_time = datetime.now()
     while (datetime.now() -
@@ -546,7 +545,7 @@ if __name__ == '__main__':
         help='Path to databend-query binary or name of binary in PATH')
     parser.add_argument('-c',
                         '--client',
-                        default='mysql',
+                        default='stdbuf -i0 -o0 -e0 mysql',
                         help='Client program')
     parser.add_argument('-opt',
                         '--options',