From 2de4e5513798c37b6ea0c1e05fba5aa6fc28e5a8 Mon Sep 17 00:00:00 2001
From: zyyang <zyyang@taosdata.com>
Date: Thu, 16 Jun 2022 13:06:23 +0800
Subject: [PATCH] handle null data

---
 .../datax/plugin/writer/tdenginewriter/DefaultDataHandler.java  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tdenginewriter/src/main/java/com/alibaba/datax/plugin/writer/tdenginewriter/DefaultDataHandler.java b/tdenginewriter/src/main/java/com/alibaba/datax/plugin/writer/tdenginewriter/DefaultDataHandler.java
index 84adaf72..27ade382 100644
--- a/tdenginewriter/src/main/java/com/alibaba/datax/plugin/writer/tdenginewriter/DefaultDataHandler.java
+++ b/tdenginewriter/src/main/java/com/alibaba/datax/plugin/writer/tdenginewriter/DefaultDataHandler.java
@@ -307,6 +307,8 @@ public class DefaultDataHandler implements DataHandler {
                 if (colMeta.type.equals("TIMESTAMP"))
                     return "\"" + column.asString() + "\"";
                 String value = column.asString();
+                if (value == null)
+                    return "NULL";
                 return "\'" + Utils.escapeSingleQuota(value) + "\'";
             case NULL:
             case BAD: