From 774356add1a2616d182d4dd8b08392c0be0b86bc Mon Sep 17 00:00:00 2001
From: Shuduo Sang <sangshuduo@gmail.com>
Date: Sat, 7 Nov 2020 21:40:33 +0800
Subject: [PATCH] [TD-1975] <fix>: fix build issue on CentOS 7.

---
 src/client/src/tscSQLParser.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 029e1fdb5a..f14f094e0b 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -16,6 +16,7 @@
 #define _BSD_SOURCE
 #define _XOPEN_SOURCE 500
 #define _DEFAULT_SOURCE
+#define _POSIX_C_SOURCE 200809L
 
 #include "os.h"
 #include "qAst.h"
-- 
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