Support varchar

Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarAccessory.cs

@@ -326,12 +326,20 @@ namespace SqlSugar
         internal string GetN()
         {
             var N = "N";
-            if (_Context.CurrentConnectionConfig.MoreSettings != null && _Context.CurrentConnectionConfig.MoreSettings.OracleDisableNvarchar)
+            if (_Context.CurrentConnectionConfig.MoreSettings != null && _Context.CurrentConnectionConfig.MoreSettings.DisableNvarchar)
             {
                 N = "";
             }
             return N;
         }
+        internal bool IsVarchar()
+        {
+            if (_Context.CurrentConnectionConfig.MoreSettings != null && _Context.CurrentConnectionConfig.MoreSettings.DisableNvarchar)
+            {
+                return true;
+            }
+            return false;
+        }
         private static void CheckDbDependency(ConnectionConfig config)
         {
             switch (config.DbType)

Src/Asp.Net/SqlSugar/Entities/ConnMoreSettings.cs

@@ -9,15 +9,8 @@ namespace SqlSugar
     {
         public bool IsAutoRemoveDataCache { get; set; }
         public bool IsWithNoLockQuery { get; set; }
-        /// <summary>
+       
-        /// Some MYSQL databases do not support Nvarchar set true
+        public bool DisableNvarchar { get; set; }
-        /// </summary>
-        public bool MySqlDisableNvarchar { get; set; }
-
-        /// <summary>
-        ///Oracle nvarchar partial operation disabled
-        /// </summary>
-        public bool OracleDisableNvarchar { get; set; }
         public bool PgSqlIsAutoToLower = true;
         public int DefaultCacheDurationInSeconds { get; set; }
     }

Src/Asp.Net/SqlSugar/Realization/Dm/DmProvider.cs

@@ -109,6 +109,7 @@ namespace SqlSugar
             if (parameters == null || parameters.Length == 0) return null;
             DmParameter[] result = new DmParameter[parameters.Length];
             int index = 0;
+            var isVarchar = this.Context.IsVarchar();
             foreach (var parameter in parameters)
             {
                 if (parameter.Value == null) parameter.Value = DBNull.Value;
@@ -134,6 +135,10 @@ namespace SqlSugar
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);
                     this.OutputParameters.Add(sqlParameter);
                 }
+                if (isVarchar && sqlParameter.DbType == System.Data.DbType.String)
+                {
+                    sqlParameter.DbType = System.Data.DbType.AnsiString;
+                }
                 ++index;
             }
             return result;

Src/Asp.Net/SqlSugar/Realization/MySql/MySqlProvider.cs

@@ -89,6 +89,7 @@ namespace SqlSugar
             if (parameters == null || parameters.Length == 0) return null;
             MySqlParameter[] result = new MySqlParameter[parameters.Length];
             int index = 0;
+            var isVarchar = this.Context.IsVarchar();
             foreach (var parameter in parameters)
             {
                 if (parameter.Value == null) parameter.Value = DBNull.Value;
@@ -113,6 +114,10 @@ namespace SqlSugar
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);
                     this.OutputParameters.Add(sqlParameter);
                 }
+                if (isVarchar && sqlParameter.DbType == System.Data.DbType.String)
+                {
+                    sqlParameter.DbType = System.Data.DbType.AnsiString;
+                }
                 ++index;
             }
             return result;

Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlInsertBuilder.cs

@@ -30,7 +30,7 @@ namespace SqlSugar
         public override object FormatValue(object value)
         {
             var n = "N";
-            if (this.Context.CurrentConnectionConfig.MoreSettings != null && this.Context.CurrentConnectionConfig.MoreSettings.MySqlDisableNvarchar)
+            if (this.Context.CurrentConnectionConfig.MoreSettings != null && this.Context.CurrentConnectionConfig.MoreSettings.DisableNvarchar)
             {
                 n = "";
             }

Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlUpdateBuilder.cs

@@ -92,7 +92,7 @@ namespace SqlSugar
         public override object FormatValue(object value)
         {
             var n = "N";
-            if (this.Context.CurrentConnectionConfig.MoreSettings != null&&this.Context.CurrentConnectionConfig.MoreSettings.MySqlDisableNvarchar)
+            if (this.Context.CurrentConnectionConfig.MoreSettings != null&&this.Context.CurrentConnectionConfig.MoreSettings.DisableNvarchar)
             {
                 n = "";
             }

Src/Asp.Net/SqlSugar/Realization/Oracle/OracleProvider.cs

@@ -115,6 +115,7 @@ namespace SqlSugar
             if (parameters == null || parameters.Length == 0) return null;
             OracleParameter[] result = new OracleParameter[parameters.Length];
             int index = 0;
+            var isVarchar = this.Context.IsVarchar();
             foreach (var parameter in parameters)
             {
                 if (parameter.Value == null) parameter.Value = DBNull.Value;
@@ -172,7 +173,10 @@ namespace SqlSugar
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);
                     this.OutputParameters.Add(sqlParameter);
                 }
-
+                if (isVarchar && sqlParameter.DbType == System.Data.DbType.String)
+                {
+                    sqlParameter.DbType = System.Data.DbType.AnsiString;
+                }
                 ++index;
             }
             return result;

Src/Asp.Net/SqlSugar/Realization/PostgreSQL/PostgreSQLProvider.cs

@@ -86,6 +86,7 @@ namespace SqlSugar
             if (parameters == null || parameters.Length == 0) return null;
             NpgsqlParameter[] result = new NpgsqlParameter[parameters.Length];
             int index = 0;
+            var isVarchar = this.Context.IsVarchar();
             foreach (var parameter in parameters)
             {
                 if (parameter.Value == null) parameter.Value = DBNull.Value;
@@ -123,6 +124,10 @@ namespace SqlSugar
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);
                     this.OutputParameters.Add(sqlParameter);
                 }
+                if (isVarchar && sqlParameter.DbType == System.Data.DbType.String)
+                {
+                    sqlParameter.DbType = System.Data.DbType.AnsiString;
+                }
                 ++index;
             }
             return result;

Src/Asp.Net/SqlSugar/Realization/SqlServer/SqlServerProvider.cs

@@ -117,6 +117,7 @@ namespace SqlSugar
         /// <returns></returns>
         public SqlParameter[] GetSqlParameter(params SugarParameter[] parameters)
         {
+            var isVarchar = this.Context.IsVarchar();
             if (parameters == null || parameters.Length == 0) return null;
             SqlParameter[] result = new SqlParameter[parameters.Length];
             int index = 0;
@@ -150,6 +151,12 @@ namespace SqlSugar
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);
                     this.OutputParameters.Add(sqlParameter);
                 }
+
+                if (isVarchar&&sqlParameter.DbType== System.Data.DbType.String)
+                {
+                    sqlParameter.DbType =System.Data.DbType.AnsiString;
+                }
+
                 ++index;
             }
             return result;

Src/Asp.Net/SqlSugar/Realization/Sqlite/SqliteProvider.cs

@@ -82,6 +82,7 @@ namespace SqlSugar
         /// <returns></returns>
         public override IDataParameter[] ToIDbDataParameter(params SugarParameter[] parameters)
         {
+            var isVarchar = this.Context.IsVarchar();
             if (parameters == null || parameters.Length == 0) return null;
             SQLiteParameter[] result = new SQLiteParameter[parameters.Length];
             int index = 0;
@@ -107,7 +108,10 @@ namespace SqlSugar
                     sqlParameter.DbType = System.Data.DbType.String;
                     sqlParameter.Value = sqlParameter.Value.ObjToString();
                 }
-
+                if (isVarchar && sqlParameter.DbType == System.Data.DbType.String)
+                {
+                    sqlParameter.DbType = System.Data.DbType.AnsiString;
+                }
                 ++index;
             }
             return result;