From 10e2270a850029b54ed674a793c93aa41de39b22 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Tue, 31 Oct 2023 22:44:00 +0800
Subject: [PATCH] Optimize Oracle

---
 .../Realization/Oracle/SqlBuilder/OracleQueryBuilder.cs       | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleQueryBuilder.cs b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleQueryBuilder.cs
index f97e0a6bf..6a733b9fd 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleQueryBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleQueryBuilder.cs
@@ -87,6 +87,10 @@ namespace SqlSugar
             sql.Replace(UtilConstants.ReplaceKey, isRowNumber ? (isIgnoreOrderBy ? null : rowNumberString) : null);
             if (isIgnoreOrderBy) { this.OrderByValue = oldOrderBy; return sql.ToString(); }
             var result = ToPageSql(sql.ToString(), this.Take, this.Skip);
+            if (this.Take == 1 && this.Skip == 0&&oldOrderBy== "ORDER BY sysdate ") 
+            {
+                result = $" {sql.ToString()} {(this.WhereInfos.Any()?"AND":"WHERE")}   ROWNUM = 1 ";
+            }
             if (ExternalPageIndex > 0)
             {
                 if (externalOrderBy.IsNullOrEmpty())