From 42bb3f3e4cb84d9a53ab6d6408f3b480eec776a0 Mon Sep 17 00:00:00 2001
From: skx <610262374@qq.com>
Date: Sat, 2 May 2020 09:45:03 +0800
Subject: [PATCH] PgSql BUG

---
 .../PostgreSQL/SqlBuilder/PostgreSQLExpressionContext.cs      | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLExpressionContext.cs b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLExpressionContext.cs
index 0d619f8c6..82623421b 100644
--- a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLExpressionContext.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLExpressionContext.cs
@@ -178,14 +178,14 @@ namespace SqlSugar
             var parameter = model.Args[0];
             var parameter2 = model.Args[1];
             var parameter3 = model.Args[2];
-            return string.Format(" (DATE_ADD({1} , INTERVAL {2} {0})) ", parameter3.MemberValue, parameter.MemberName, parameter2.MemberName);
+            return string.Format(" ({1} +  ({2}||'{0}')::INTERVAL) ", parameter3.MemberValue, parameter.MemberName, parameter2.MemberName);
         }
 
         public override string DateAddDay(MethodCallExpressionModel model)
         {
             var parameter = model.Args[0];
             var parameter2 = model.Args[1];
-            return string.Format(" (DATE_ADD({1} INTERVAL {0} day)) ", parameter.MemberName, parameter2.MemberName);
+            return string.Format(" ({0} + ({1}||'day')::INTERVAL) ", parameter.MemberName, parameter2.MemberName);
         }
 
         public override string ToInt32(MethodCallExpressionModel model)