From 8893d06d49bf0f5379065bf84052a9c9fdc49405 Mon Sep 17 00:00:00 2001
From: taojinlong <jinlong@fit2cloud.com>
Date: Tue, 18 May 2021 15:17:57 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=9D=E5=AD=98=20excel=20=E6=95=B0?=
 =?UTF-8?q?=E6=8D=AE=E9=9B=86=E7=9A=84=E5=AD=97=E6=AE=B5=E5=87=BA=E9=94=99?=
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---
 .../io/dataease/service/dataset/DataSetTableService.java     | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/backend/src/main/java/io/dataease/service/dataset/DataSetTableService.java b/backend/src/main/java/io/dataease/service/dataset/DataSetTableService.java
index 4e5016ca94..d05eceba77 100644
--- a/backend/src/main/java/io/dataease/service/dataset/DataSetTableService.java
+++ b/backend/src/main/java/io/dataease/service/dataset/DataSetTableService.java
@@ -508,7 +508,10 @@ public class DataSetTableService {
             createDorisView(DorisTableUtils.dorisName(datasetTable.getId()), getCustomSQL(dataTableInfoDTO, dataSetTableUnionService.listByTableId(dataTableInfoDTO.getList().get(0).getTableId())));
             return;
         }
-        QueryProvider qp = ProviderFactory.getQueryProvider(ds.getType());
+        QueryProvider qp = null;
+        if(!ObjectUtils.isEmpty(ds)) {
+            qp = ProviderFactory.getQueryProvider(ds.getType());
+        }
         if (CollectionUtils.isNotEmpty(fields)) {
             for (int i = 0; i < fields.size(); i++) {
                 TableFiled filed = fields.get(i);