From 010bf5623428f717d4a614a1ed54529aaadee070 Mon Sep 17 00:00:00 2001
From: sunkaixuna <610262374@qq.com>
Date: Sun, 31 Oct 2021 14:36:38 +0800
Subject: [PATCH] Split table

---
 .../Abstract/QueryableProvider/QueryableProvider.cs  |  1 +
 .../SqlSugar/SpliteTable/SplitTypeExtensions.cs      | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index d6f92ded7..a78e67018 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -851,6 +851,7 @@ namespace SqlSugar
             {
                 tableQueryables.Add(this.Clone().AS(item.TableName));
             }
+            Check.Exception(tableQueryables.Count == 0, ErrorMessage.GetThrowMessage("SplitTable error . There are no tables after filtering", "SplitTable没有筛选出分表，请检查条件和数据库中的表"));
             var unionall = this.Context._UnionAll(tableQueryables.ToArray());
             //var values= unionall.QueryBuilder.GetSelectValue;
             //unionall.QueryBuilder.SelectValue = values;
diff --git a/Src/Asp.Net/SqlSugar/SpliteTable/SplitTypeExtensions.cs b/Src/Asp.Net/SqlSugar/SpliteTable/SplitTypeExtensions.cs
index e42763e05..2d5a06712 100644
--- a/Src/Asp.Net/SqlSugar/SpliteTable/SplitTypeExtensions.cs
+++ b/Src/Asp.Net/SqlSugar/SpliteTable/SplitTypeExtensions.cs
@@ -12,5 +12,17 @@ namespace SqlSugar
         {
             return tables.Where(it => tableNames.Any(y => y.Equals(it.TableName, StringComparison.OrdinalIgnoreCase)));
         }
+        public static IEnumerable<SplitTableInfo> ContainsTableNames(this List<SplitTableInfo> tables, params string[] tableNames)
+        {
+            List<SplitTableInfo> result = new List<SplitTableInfo>();
+            foreach (var item in tables)
+            {
+                if (tableNames.Any(it => item.TableName.Contains(it))) 
+                {
+                    result.Add(item);
+                }
+            }
+            return result;
+        }
     }
 }