From 552fa6ff41fc1115944036c3c2bfe010a584e448 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Sun, 24 Sep 2017 18:32:15 +0800
Subject: [PATCH] Update Oracle

---
 Src/Asp.Net/OracleTest/Program.cs             |   4 +-
 .../UnitTest/ExpressionTest/Method.cs         | 322 +++++++++---------
 .../SqlBuilder/OracleExpressionContext.cs     |  35 +-
 3 files changed, 197 insertions(+), 164 deletions(-)

diff --git a/Src/Asp.Net/OracleTest/Program.cs b/Src/Asp.Net/OracleTest/Program.cs
index db5a0b3f3..ba73b5797 100644
--- a/Src/Asp.Net/OracleTest/Program.cs
+++ b/Src/Asp.Net/OracleTest/Program.cs
@@ -22,8 +22,8 @@ namespace OrmTest
             //    /***Unit Test***/
             new Select(1).Init();
             new Field(1).Init();
-            new Where(1).Init();
-            //new Method(1).Init();
+           // new Where(1).Init();
+            new Method(1).Init();
             //new JoinQuery(1).Init();
             //new SingleQuery(1).Init();
             //new SelectQuery(1).Init();
diff --git a/Src/Asp.Net/OracleTest/UnitTest/ExpressionTest/Method.cs b/Src/Asp.Net/OracleTest/UnitTest/ExpressionTest/Method.cs
index 25bf15df7..43ac063f3 100644
--- a/Src/Asp.Net/OracleTest/UnitTest/ExpressionTest/Method.cs
+++ b/Src/Asp.Net/OracleTest/UnitTest/ExpressionTest/Method.cs
@@ -78,24 +78,24 @@ namespace OrmTest.UnitTest
         private void ExtendToString()
         {
             Expression<Func<Student, bool>> exp = it => it.Id.ToString() == "a";
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST([Id] AS NVARCHAR(MAX)) = @Const0 )", new List<SugarParameter>() {
-                 new SugarParameter("@Const0","a")
+            base.Check(value, pars, "(CAST(\"ID\" AS VARCHAR2(4000)) = :Const0 )", new List<SugarParameter>() {
+                 new SugarParameter(":Const0","a")
             }, "ExtendToString error");
         }
 
         private void ConvetToString()
         {
             Expression<Func<Student, bool>> exp = it => Convert.ToString(it.Id) == "a";
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST([Id] AS NVARCHAR(MAX)) = @Const0 )", new List<SugarParameter>() {
-                 new SugarParameter("@Const0","a")
+            base.Check(value, pars, "(CAST(\"ID\" AS VARCHAR2(4000)) = :Const0 )", new List<SugarParameter>() {
+                 new SugarParameter(":Const0","a")
             }, "ConvetToString error");
         }
 
@@ -103,12 +103,12 @@ namespace OrmTest.UnitTest
         private void Length()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.Length("aaaa") > 1;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(LEN(@MethodConst0) > @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","aaaa"),new SugarParameter("@Const1",1)
+            base.Check(value, pars, "(LEN(:MethodConst0) > :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","aaaa"),new SugarParameter(":Const1",1)
             }, "Length error");
 
             Length2();
@@ -118,24 +118,24 @@ namespace OrmTest.UnitTest
         private void Length2()
         {
             Expression<Func<Student, bool>> exp = it => it.Name.Length > 1;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(LEN([Name])> @Length1 )", new List<SugarParameter>() {
-                new SugarParameter("@Length1",1) 
+            base.Check(value, pars, "(LEN(\"Name\")> :Length1 )", new List<SugarParameter>() {
+                new SugarParameter(":Length1",1) 
             }, "Length2 error");
         }
 
         private void Length3()
         {
             Expression<Func<Student, bool>> exp = it => it.Name.Length > "a".Length;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(LEN([Name])> @Length1 )", new List<SugarParameter>() {
-                new SugarParameter("@Length1",1)
+            base.Check(value, pars, "(LEN(\"Name\")> :Length1 )", new List<SugarParameter>() {
+                new SugarParameter(":Length1",1)
             }, "Length3 error");
         }
 
@@ -143,12 +143,12 @@ namespace OrmTest.UnitTest
         {
             TimeSpan s = TimeSpan.Parse("11:22:22");
             Expression<Func<Student, bool>> exp = it => SqlFunc.ToTime("11:12:59")==s;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST(@MethodConst0 AS TIME) = @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","11:12:59"),new SugarParameter("@Const1",s)
+            base.Check(value, pars, "(CAST(:MethodConst0 AS TIME) = :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","11:12:59"),new SugarParameter(":Const1",s)
             }, "Time error");
         }
 
@@ -157,12 +157,12 @@ namespace OrmTest.UnitTest
         {
             var x2 = Guid.NewGuid();
             Expression<Func<Student, bool>> exp = it => SqlFunc.Replace("aaaa", "a", "1") == "a";
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(REPLACE(@MethodConst0,@MethodConst1,@MethodConst2) = @Const3 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","aaaa"),   new SugarParameter("@MethodConst1","a") ,   new SugarParameter("@MethodConst2","1"),new SugarParameter("@Const3","a")
+            base.Check(value, pars, "(REPLACE(:MethodConst0,:MethodConst1,:MethodConst2) = :Const3 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","aaaa"),   new SugarParameter(":MethodConst1","a") ,   new SugarParameter(":MethodConst2","1"),new SugarParameter(":Const3","a")
             }, "Replace error");
         }
 
@@ -170,24 +170,24 @@ namespace OrmTest.UnitTest
         {
             var x2 = Guid.NewGuid();
             Expression<Func<Student, bool>> exp = it => SqlFunc.Substring("aaaa", 0, 2) == "a";
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(SUBSTRING(@MethodConst0,1 + @MethodConst1,@MethodConst2) = @Const3 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","aaaa"),   new SugarParameter("@MethodConst1",0) ,   new SugarParameter("@MethodConst2",2),new SugarParameter("@Const3","a")
+            base.Check(value, pars, "(SUBSTRING(:MethodConst0,1 + :MethodConst1,:MethodConst2) = :Const3 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","aaaa"),   new SugarParameter(":MethodConst1",0) ,   new SugarParameter(":MethodConst2",2),new SugarParameter(":Const3","a")
             }, "Substring error");
         }
         private void ExtendSubstring()
         {
             var x2 = Guid.NewGuid();
             Expression<Func<Student, bool>> exp = it =>"aaaa".Substring(0, 2)== "a";
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(SUBSTRING(@MethodConst0,1 + @MethodConst1,@MethodConst2) = @Const3 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","aaaa"),   new SugarParameter("@MethodConst1",0) ,   new SugarParameter("@MethodConst2",2),new SugarParameter("@Const3","a")
+            base.Check(value, pars, "(SUBSTRING(:MethodConst0,1 + :MethodConst1,:MethodConst2) = :Const3 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","aaaa"),   new SugarParameter(":MethodConst1",0) ,   new SugarParameter(":MethodConst2",2),new SugarParameter(":Const3","a")
             }, "Substring error");
         }
         
@@ -196,12 +196,12 @@ namespace OrmTest.UnitTest
         {
             var x2 = Guid.NewGuid();
             Expression<Func<Student, bool>> exp = it => SqlFunc.ToBool("true") == true;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST(@MethodConst0 AS BIT) = @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","true"),new SugarParameter("@Const1",(bool)true)
+            base.Check(value, pars, "(CAST(:MethodConst0 AS BIT) = :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","true"),new SugarParameter(":Const1",(bool)true)
             }, "ToBool error");
         }
 
@@ -209,12 +209,12 @@ namespace OrmTest.UnitTest
         {
             var x2 = Guid.NewGuid();
             Expression<Func<Student, bool>> exp = it => SqlFunc.ToDouble("2") == 2;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST(@MethodConst0 AS FLOAT) = @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","2"),new SugarParameter("@Const1",(Double)2)
+            base.Check(value, pars, "(CAST(:MethodConst0 AS FLOAT) = :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","2"),new SugarParameter(":Const1",(Double)2)
             }, "ToDouble error");
         }
 
@@ -222,12 +222,12 @@ namespace OrmTest.UnitTest
         {
             var x2 = Guid.NewGuid();
             Expression<Func<Student, bool>> exp = it => SqlFunc.ToGuid("A94027A3-476E-478D-8228-F4054394B874") == x2;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST(@MethodConst0 AS UNIQUEIDENTIFIER) = @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","A94027A3-476E-478D-8228-F4054394B874"),new SugarParameter("@Const1",x2)
+            base.Check(value, pars, "(CAST(:MethodConst0 AS UNIQUEIDENTIFIER) = :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","A94027A3-476E-478D-8228-F4054394B874"),new SugarParameter(":Const1",x2)
             }, "ToGuid error");
         }
 
@@ -235,12 +235,12 @@ namespace OrmTest.UnitTest
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => SqlFunc.ToDecimal("22") == 1;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST(@MethodConst0 AS MONEY) = @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","22"),new SugarParameter("@Const1",(decimal)1)
+            base.Check(value, pars, "(CAST(:MethodConst0 AS MONEY) = :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","22"),new SugarParameter(":Const1",(decimal)1)
             }, "ToDecimal error");
         }
 
@@ -248,12 +248,12 @@ namespace OrmTest.UnitTest
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => SqlFunc.ToString("2015-1-1") == "a";
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST(@MethodConst0 AS NVARCHAR(MAX)) = @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","2015-1-1"),new SugarParameter("@Const1","a")
+            base.Check(value, pars, "(CAST(:MethodConst0 AS NVARCHAR(MAX)) = :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","2015-1-1"),new SugarParameter(":Const1","a")
             }, "Tostring error");
         }
 
@@ -261,24 +261,24 @@ namespace OrmTest.UnitTest
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => SqlFunc.ToDate("2015-1-1") == x2;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST(@MethodConst0 AS DATETIME) = @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","2015-1-1"),new SugarParameter("@Const1",x2)
+            base.Check(value, pars, "(CAST(:MethodConst0 AS DATETIME) = :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","2015-1-1"),new SugarParameter(":Const1",x2)
             }, "ToDate error");
         }
         private void ExtendDate()
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => Convert.ToDateTime("2015-1-1") == x2;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST(@MethodConst0 AS DATETIME) = @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","2015-1-1"),new SugarParameter("@Const1",x2)
+            base.Check(value, pars, "(CAST(:MethodConst0 AS DATE) = :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","2015-1-1"),new SugarParameter(":Const1",x2)
             }, "ExtendDate error");
         }
         
@@ -286,12 +286,12 @@ namespace OrmTest.UnitTest
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => SqlFunc.ToInt64("3") == 1;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST(@MethodConst0 AS BIGINT) = @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","3"),new SugarParameter("@Const1",(Int64)1)
+            base.Check(value, pars, "(CAST(:MethodConst0 AS BIGINT) = :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","3"),new SugarParameter(":Const1",(Int64)1)
             }, "ToInt64 error");
         }
 
@@ -299,12 +299,12 @@ namespace OrmTest.UnitTest
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => SqlFunc.ToInt32("3") == 1;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(CAST(@MethodConst0 AS INT) = @Const1 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","3"),new SugarParameter("@Const1",1)
+            base.Check(value, pars, "(CAST(:MethodConst0 AS INT) = :Const1 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","3"),new SugarParameter(":Const1",1)
             }, "ToInt32 error");
         }
 
@@ -312,46 +312,46 @@ namespace OrmTest.UnitTest
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => SqlFunc.DateValue(x2, DateType.Year) == 1;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " ((@MethodConst1(@MethodConst0)) = @Const2 ) ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",DateType.Year),new SugarParameter("@Const2",1)
+            base.Check(value, pars, " ((:MethodConst1(:MethodConst0)) = :Const2 ) ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0",x2),new SugarParameter(":MethodConst1",DateType.Year),new SugarParameter(":Const2",1)
             }, "DateValue error");
         }
 
         private void StartsWith()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.StartsWith(it.Name, "a");
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " ([Name] like @MethodConst0+'%') ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","a")
+            base.Check(value, pars, " (\"NAME\" like :MethodConst0||'%') ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","a")
             }, "StartsWith error");
         }
         private void EndsWith()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.EndsWith(it.Name, "a");
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " ([Name] like '%'+@MethodConst0) ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","a")
+            base.Check(value, pars, " (\"NAME\" like '%'||:MethodConst0) ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","a")
             }, "EndsWith");
         }
         private void Between()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.Between(it.Name, 1, 2);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " ([Name] BETWEEN @MethodConst0 AND @MethodConst1) ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0",1),new SugarParameter("@MethodConst1",2),
+            base.Check(value, pars, " (\"NAME\" BETWEEN :MethodConst0 AND :MethodConst1) ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0",1),new SugarParameter(":MethodConst1",2),
             }, "Between error");
         }
 
@@ -359,25 +359,25 @@ namespace OrmTest.UnitTest
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => SqlFunc.DateAdd(x2, 11, DateType.Millisecond) == x2;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "((DATEADD(@MethodConst2,@MethodConst1,@MethodConst0)) = @Const3 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",11),new SugarParameter("@Const3",x2),
-                new SugarParameter("@MethodConst2",DateType.Millisecond)
+            base.Check(value, pars, "((DATEADD(:MethodConst2,:MethodConst1,:MethodConst0)) = :Const3 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0",x2),new SugarParameter(":MethodConst1",11),new SugarParameter(":Const3",x2),
+                new SugarParameter(":MethodConst2",DateType.Millisecond)
             }, "DateAddByType error");
         }
         private void DateAddDay()
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => SqlFunc.DateAdd(x2, 1) == x2;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "((DATEADD(day,@MethodConst1,@MethodConst0)) = @Const2 )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",1),new SugarParameter("@Const2",x2)
+            base.Check(value, pars, "((DATEADD(day,:MethodConst1,:MethodConst0)) = :Const2 )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0",x2),new SugarParameter(":MethodConst1",1),new SugarParameter(":Const2",x2)
             }, "DateAddDay error");
 
             DateAddDay2();
@@ -388,13 +388,13 @@ namespace OrmTest.UnitTest
         {
             var x2 = DateTime.Now;
             Expression<Func<DataTestInfo, bool>> exp = it =>it.Datetime2.Value.AddHours(10) == x2;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "((DATEADD(@Const0,@MethodConst1,[Datetime2])) = @Const2 )", new List<SugarParameter>() {
-                new SugarParameter("@Const0",DateType.Hour.ToString()),new SugarParameter("@MethodConst1",10) 
-                ,new SugarParameter("@Const2",x2)
+            base.Check(value, pars, "((DATEADD(:Const0,:MethodConst1,\"DATETIME2\")) = :Const2 )", new List<SugarParameter>() {
+                new SugarParameter(":Const0",DateType.Hour.ToString()),new SugarParameter(":MethodConst1",10) 
+                ,new SugarParameter(":Const2",x2)
             }, "DateAddDay2 error");
         }
 
@@ -402,13 +402,13 @@ namespace OrmTest.UnitTest
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => x2.AddHours(1) == x2;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "((DATEADD(@Const0,@MethodConst2,@MethodConst1)) = @Const3 )", new List<SugarParameter>() {
-                new SugarParameter("@Const0",DateType.Hour.ToString()),new SugarParameter("@MethodConst2",1),new SugarParameter("@MethodConst1",x2)
-                ,new SugarParameter("@Const3",x2)
+            base.Check(value, pars, "((DATEADD(:Const0,:MethodConst2,:MethodConst1)) = :Const3 )", new List<SugarParameter>() {
+                new SugarParameter(":Const0",DateType.Hour.ToString()),new SugarParameter(":MethodConst2",1),new SugarParameter(":MethodConst1",x2)
+                ,new SugarParameter(":Const3",x2)
             }, "DateAddDay3 error");
         }
 
@@ -416,159 +416,159 @@ namespace OrmTest.UnitTest
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => SqlFunc.DateIsSame(x2, x2, DateType.Millisecond);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " (DATEDIFF(@MethodConst2,@MethodConst0,@MethodConst1)=0) ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",x2),
-                new SugarParameter("@MethodConst2",DateType.Millisecond)
+            base.Check(value, pars, " (DATEDIFF(:MethodConst2,:MethodConst0,:MethodConst1)=0) ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0",x2),new SugarParameter(":MethodConst1",x2),
+                new SugarParameter(":MethodConst2",DateType.Millisecond)
             }, "DateIsSameByType error");
         }
         private void DateIsSameByDay()
         {
             var x2 = DateTime.Now;
             Expression<Func<Student, bool>> exp = it => SqlFunc.DateIsSame(x2, x2);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(DATEDIFF(day,@MethodConst0,@MethodConst1)=0) ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",x2)
+            base.Check(value, pars, "(DATEDIFF(day,:MethodConst0,:MethodConst1)=0) ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0",x2),new SugarParameter(":MethodConst1",x2)
             }, "DateIsSameDay error");
         }
 
         private void Equals()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.Equals(it.Name, "a");
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " ([Name] = @MethodConst0) ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","a")
+            base.Check(value, pars, " (\"NAME\" = :MethodConst0) ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","a")
             }, "Equals1 error");
 
 
             Expression<Func<Student, bool>> exp2 = it => SqlFunc.Equals("a", it.Name);
-            SqlServerExpressionContext expContext2 = new SqlServerExpressionContext();
+            OracleExpressionContext expContext2 = new OracleExpressionContext();
             expContext2.Resolve(exp2, ResolveExpressType.WhereSingle);
             var value2 = expContext2.Result.GetString();
             var pars2 = expContext2.Parameters;
-            base.Check(value2, pars2, " (@MethodConst0 = [Name]) ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","a")
+            base.Check(value2, pars2, " (:MethodConst0 = \"NAME\") ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","a")
             }, "Equals2 error");
         }
         private void Equals_2()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.Equals(it.Name, it.Name);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " ([Name] = [Name]) ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","a")
-            }, "Equals1 error");
+            base.Check(value, pars, " (\"NAME\" = \"NAME\") ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","a")
+            }, "Equals_2 error");
 
 
             Expression<Func<Student, bool>> exp2 = it => SqlFunc.Equals("a", "a2");
-            SqlServerExpressionContext expContext2 = new SqlServerExpressionContext();
+            OracleExpressionContext expContext2 = new OracleExpressionContext();
             expContext2.Resolve(exp2, ResolveExpressType.WhereSingle);
             var value2 = expContext2.Result.GetString();
             var pars2 = expContext2.Parameters;
-            base.Check(value2, pars2, " (@MethodConst0 = @MethodConst1) ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","a"),new SugarParameter("@MethodConst1","a2")
+            base.Check(value2, pars2, " (:MethodConst0 = :MethodConst1) ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","a"),new SugarParameter(":MethodConst1","a2")
             }, "Equals2 error");
         }
 
         private void Contains()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.Contains(it.Name, "a");
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " ([Name] like '%'+@MethodConst0+'%') ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","a")
+            base.Check(value, pars, " (\"NAME\" like '%'||:MethodConst0||'%') ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","a")
             }, "Contains error");
         }
         private void Contains2(string name="a")
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.Contains(it.Name, name);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " ([Name] like '%'+@MethodConst0+'%') ", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","a")
+            base.Check(value, pars, " (\"NAME\" like '%'||:MethodConst0||'%') ", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","a")
             }, "Contains2 error");
         }
         private void Contains3(string name = "a")
         {
             Expression<Func<Student, bool>> exp = it => !SqlFunc.Contains(it.Name, name)&&it.Id==1;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(NOT ([Name] like '%'+@MethodConst0+'%')  AND( [Id] = @Id1 ))", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","a"),
-                 new SugarParameter("@Id1",1)
+            base.Check(value, pars, "(NOT (\"NAME\" like '%'||:MethodConst0||'%')  AND( \"ID\" = :Id1 ))", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","a"),
+                 new SugarParameter(":Id1",1)
             }, "Contains3 error");
         }
 
         private void ExtendContainsArray() {
             var array = new string[] { "1", "2" }.ToList();
             Expression<Func<Student, bool>> exp = it => array.Contains(it.Name);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, null, "  ([Name] IN ('1','2')) ", null, "Contains2 error");
+            base.Check(value, null, "  (\"NAME\" IN ('1','2')) ", null, "Contains2 error");
         }
 
         private void ContainsArray()
         {
             string[] array = new string[] { "1", "2" };
             Expression<Func<Student, bool>> exp = it => SqlFunc.ContainsArray(array, it.Name);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, null, "  ([Name] IN ('1','2')) ", null, "Contains2 error");
+            base.Check(value, null, "  (\"NAME\" IN ('1','2')) ", null, "Contains2 error");
         }
 
         private void Trim()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.Trim("  a") == it.Name;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "((rtrim(ltrim(@MethodConst0))) = [Name] )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","  a")
+            base.Check(value, pars, "(trim(:MethodConst0) = \"NAME\" )", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst0","  a")
             }, "Trim error");
         }
 
         private void ToUpper()
         {
             Expression<Func<Student, bool>> exp = it => "a" == SqlFunc.ToUpper(it.Id);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "( @Const0 = (UPPER([Id])) )", new List<SugarParameter>() {
-                new SugarParameter("@Const0","a")
+            base.Check(value, pars, "( :Const0 = (UPPER(\"ID\")) )", new List<SugarParameter>() {
+                new SugarParameter(":Const0","a")
             }, "ToUpper error");
         }
         private void ToLower()
         {
             Expression<Func<Student, bool>> exp = it => "a" == SqlFunc.ToLower(it.Id);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "( @Const0 = (LOWER([Id])) )", new List<SugarParameter>() {
-                new SugarParameter("@Const0","a")
+            base.Check(value, pars, "( :Const0 = (LOWER(\"ID\")) )", new List<SugarParameter>() {
+                new SugarParameter(":Const0","a")
             }, "ToLower error");
         }
 
@@ -576,62 +576,62 @@ namespace OrmTest.UnitTest
         private void StringIsNullOrEmpty()
         {
             Expression<Func<Student, bool>> exp = it => it.Id > 2 || SqlFunc.IsNullOrEmpty(it.Id); ;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(( [Id] > @Id0 ) OR ( [Id]='' OR [Id] IS NULL ))", new List<SugarParameter>() {
-                new SugarParameter("@Id0",2)
+            base.Check(value, pars, "(( \"ID\" > :Id0 ) OR ( \"ID\"='' OR \"ID\" IS NULL ))", new List<SugarParameter>() {
+                new SugarParameter(":Id0",2)
             }, "StringIsNullOrEmpty error");
         }
         private void StringIsNullOrEmpty2()
         {
             Expression<Func<Student, bool>> exp = it => 2 == it.Id || SqlFunc.IsNullOrEmpty(true); ;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(( @Id0 = [Id] ) OR ( @MethodConst1='' OR @MethodConst1 IS NULL ))", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst1",true),
-                new SugarParameter("@Id0",2)
+            base.Check(value, pars, "(( :Id0 = \"ID\" ) OR ( :MethodConst1='' OR :MethodConst1 IS NULL ))", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst1",true),
+                new SugarParameter(":Id0",2)
             }, "StringIsNullOrEmpty2 error");
         }
         private void StringIsNullOrEmpty3()
         {
             int a = 1;
             Expression<Func<Student, bool>> exp = it => 2 == it.Id || SqlFunc.IsNullOrEmpty(a); ;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(( @Id0 = [Id] ) OR ( @MethodConst1='' OR @MethodConst1 IS NULL ))", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst1",1),
-                new SugarParameter("@Id0",2)
+            base.Check(value, pars, "(( :Id0 = \"ID\" ) OR ( :MethodConst1='' OR :MethodConst1 IS NULL ))", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst1",1),
+                new SugarParameter(":Id0",2)
             }, "StringIsNullOrEmpty3 error");
         }
         private void StringIsNullOrEmpty4()
         {
             WhereConst.name = "xx";
             Expression<Func<Student, bool>> exp = it => 2 == it.Id || SqlFunc.IsNullOrEmpty(WhereConst.name); ;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(( @Id0 = [Id] ) OR ( @MethodConst1='' OR @MethodConst1 IS NULL ))", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst1","xx"),
-                new SugarParameter("@Id0",2)
+            base.Check(value, pars, "(( :Id0 = \"ID\" ) OR ( :MethodConst1='' OR :MethodConst1 IS NULL ))", new List<SugarParameter>() {
+                new SugarParameter(":MethodConst1","xx"),
+                new SugarParameter(":Id0",2)
             }, "StringIsNullOrEmpty4 error");
         }
         private void StringIsNullOrEmpty5()
         {
             WhereConst.name = "xx";
             Expression<Func<Student, bool>> exp = it => !SqlFunc.IsNullOrEmpty(WhereConst.name); ;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "NOT( @MethodConst0='' OR @MethodConst0 IS NULL )", new List<SugarParameter>() {
-               new SugarParameter("@MethodConst0","xx")
+            base.Check(value, pars, "NOT( :MethodConst0='' OR :MethodConst0 IS NULL )", new List<SugarParameter>() {
+               new SugarParameter(":MethodConst0","xx")
             }, "StringIsNullOrEmpty5 error");
         }
         #endregion
@@ -639,11 +639,11 @@ namespace OrmTest.UnitTest
         private void HasValue()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.HasValue(it.Name);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "( [Name]<>'' AND [Name] IS NOT NULL )", new List<SugarParameter>()
+            base.Check(value, pars, "( \"NAME\"<>'' AND \"NAME\" IS NOT NULL )", new List<SugarParameter>()
             {
 
             }, "HasValue error");
@@ -652,11 +652,11 @@ namespace OrmTest.UnitTest
         private void HasNumber()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.HasNumber(it.Id);
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "( [Id]>0 AND [Id] IS NOT NULL )", new List<SugarParameter>()
+            base.Check(value, pars, "( \"ID\">0 AND \"ID\" IS NOT NULL )", new List<SugarParameter>()
             {
 
 
@@ -664,44 +664,44 @@ namespace OrmTest.UnitTest
         }
         private void MappingColumn() {
             Expression<Func<Student, bool>> exp = it => SqlFunc.MappingColumn(it.Id,"Name") == 1;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(Name = @Const1 )", new List<SugarParameter>()
+            base.Check(value, pars, "(Name = :Const1 )", new List<SugarParameter>()
             {
-                     new SugarParameter("@Const1",1)
+                     new SugarParameter(":Const1",1)
             }, "MappingColumn error");
         }
         private void IIF()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.IIF(it.Id == 1, 1, 2)==1;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(( CASE  WHEN ( [Id] = @Id0 ) THEN @MethodConst1  ELSE @MethodConst2 END ) = @Const3 )", new List<SugarParameter>()
+            base.Check(value, pars, "(( CASE  WHEN ( \"ID\" = :Id0 ) THEN :MethodConst1  ELSE :MethodConst2 END ) = :Const3 )", new List<SugarParameter>()
             {
-                     new SugarParameter("@Id0",1),
-                     new SugarParameter("@MethodConst1",1),
-                     new SugarParameter("@MethodConst2",2),
-                     new SugarParameter("@Const3",1)
+                     new SugarParameter(":Id0",1),
+                     new SugarParameter(":MethodConst1",1),
+                     new SugarParameter(":MethodConst2",2),
+                     new SugarParameter(":Const3",1)
             }, "IIF error");
         }
 
         private void IIF2()
         {
             Expression<Func<Student, bool>> exp = it => SqlFunc.IIF(SqlFunc.Contains(it.Name,"a"), 1, 2)==1;
-            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            OracleExpressionContext expContext = new OracleExpressionContext();
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(( CASE  WHEN  ([Name] like '%'+@MethodConst0+'%')  THEN @MethodConst1  ELSE @MethodConst2 END ) = @Const3 )", new List<SugarParameter>()
+            base.Check(value, pars, "(( CASE  WHEN  (\"NAME\" like '%'||:MethodConst0||'%')  THEN :MethodConst1  ELSE :MethodConst2 END ) = :Const3 )", new List<SugarParameter>()
             {
-                     new SugarParameter("@MethodConst0","a"),
-                     new SugarParameter("@MethodConst1",1),
-                     new SugarParameter("@MethodConst2",2),
-                                     new SugarParameter("@Const3",1)
+                     new SugarParameter(":MethodConst0","a"),
+                     new SugarParameter(":MethodConst1",1),
+                     new SugarParameter(":MethodConst2",2),
+                                     new SugarParameter(":Const3",1)
             }, "IIF2 error");
         }
     }
diff --git a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs
index 3f79c74ab..f6dd5c583 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs
@@ -14,7 +14,7 @@ namespace SqlSugar
         public SqlSugarClient Context { get; set; }
         public OracleExpressionContext()
         {
-            base.DbMehtods = new MySqlMethod();
+            base.DbMehtods = new OracleMethod();
         }
         public override string SqlParameterKeyWord
         {
@@ -40,6 +40,39 @@ namespace SqlSugar
     }
     public partial class OracleMethod : DefaultDbMethod, IDbMethods
     {
+        public override string ToString(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            return string.Format(" CAST({0} AS VARCHAR2(4000))", parameter.MemberName);
+        }
 
+        public override string ToDate(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            return string.Format(" CAST({0} AS DATE)", parameter.MemberName);
+        }
+        public override string Contains(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            var parameter2 = model.Args[1];
+            return string.Format(" ({0} like '%'||{1}||'%') ", parameter.MemberName, parameter2.MemberName);
+        }
+        public override string StartsWith(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            var parameter2 = model.Args[1];
+            return string.Format(" ({0} like {1}||'%') ", parameter.MemberName, parameter2.MemberName);
+        }
+        public override string EndsWith(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            var parameter2 = model.Args[1];
+            return string.Format("  ({0} like '%'||{1}) ", parameter.MemberName, parameter2.MemberName);
+        }
+        public override string Trim(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            return string.Format(" trim({0}) ", parameter.MemberName);
+        }
     }
 }