添加转释列名

OrmTest/Program.cs

@@ -17,11 +17,11 @@ namespace OrmTest
         {
             //Unit Test
             int eachCount = 1;
-            //new Field(eachCount).Init();
+            new Field(eachCount).Init();
-            //new Where(eachCount).Init();
+            new Where(eachCount).Init();
-            //new Method(eachCount).Init();
+            new Method(eachCount).Init();
-            //new JoinQuery(eachCount).Init();
+            new JoinQuery(eachCount).Init();
-            //new SingleQuery(eachCount).Init();
+            new SingleQuery(eachCount).Init();
             new SelectQuery(eachCount).Init();
         }
     }

OrmTest/UnitTest/ExpressionTest/Field.cs

@@ -29,18 +29,23 @@ namespace OrmTest.UnitTest
         private void FieldSingle()
         {
             Expression<Func<Student, object>> exp = it => it.Name;
-            ExpressionContext expContext = new ExpressionContext();
+            ExpressionContext expContext = GetContext();
             expContext.Resolve(exp, ResolveExpressType.FieldSingle);
             var selectorValue = expContext.Result.GetString();
-            Check(selectorValue, null, "Name", null, "FieldSingle");
+            Check(selectorValue, null, expContext.GetTranslationColumnName("Name"), null, "FieldSingle");
         }
         private void FieldMultiple()
         {
             Expression<Func<Student, object>> exp = it => it.Name;
-            ExpressionContext expContext = new ExpressionContext();
+            ExpressionContext expContext = GetContext();
             expContext.Resolve(exp, ResolveExpressType.FieldMultiple);
             var selectorValue = expContext.Result.GetString();
-            Check(selectorValue, null, "it.Name", null, "FieldMultiple");
+            Check(selectorValue, null, expContext.GetTranslationColumnName("it.Name"), null, "FieldMultiple");
+        }
+
+        public ExpressionContext GetContext()
+        {
+            return new SqlServerExpressionContext();//可以更换
         }
     }
 }

OrmTest/UnitTest/ExpressionTest/Method.cs

@@ -42,7 +42,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " (Name like '%'+@MethodConst0+'%') ", new List<SugarParameter>() {
+            base.Check(value, pars, " ([Name] like '%'+@MethodConst0+'%') ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","a")
             }, "Contains");
         }
@@ -54,7 +54,7 @@ namespace OrmTest.UnitTest
             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>() {
+            base.Check(value, pars, "((rtrim(ltrim(@MethodConst0)))  = [Name] )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","  a")
             }, "Trim");
         }
@@ -66,7 +66,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "( @Const0  = (UPPER(Id)) )", new List<SugarParameter>() {
+            base.Check(value, pars, "( @Const0  = (UPPER([Id])) )", new List<SugarParameter>() {
                 new SugarParameter("@Const0","a")
             }, "ToUpper");
         }
@@ -77,7 +77,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "( @Const0  = (LOWER(Id)) )", new List<SugarParameter>() {
+            base.Check(value, pars, "( @Const0  = (LOWER([Id])) )", new List<SugarParameter>() {
                 new SugarParameter("@Const0","a")
             }, "ToLower");
         }
@@ -90,7 +90,7 @@ namespace OrmTest.UnitTest
             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>() {
+            base.Check(value, pars, "(( [Id]  > @Id0 )  OR  ( [Id]='' OR [Id] IS NULL ))", new List<SugarParameter>() {
                 new SugarParameter("@Id0",2)
             }, "StringIsNullOrEmpty");
         }
@@ -101,7 +101,7 @@ namespace OrmTest.UnitTest
             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>() {
+            base.Check(value, pars, "(( @Id0  = [Id] )  OR  ( @MethodConst1='' OR @MethodConst1 IS NULL ))", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst1",true),
                 new SugarParameter("@Id0",2)
             }, "StringIsNullOrEmpty2");
@@ -114,7 +114,7 @@ namespace OrmTest.UnitTest
             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>() {
+            base.Check(value, pars, "(( @Id0  = [Id] )  OR  ( @MethodConst1='' OR @MethodConst1 IS NULL ))", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst1",1),
                 new SugarParameter("@Id0",2)
             }, "StringIsNullOrEmpty3");
@@ -127,7 +127,7 @@ namespace OrmTest.UnitTest
             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>() {
+            base.Check(value, pars, "(( @Id0  = [Id] )  OR  ( @MethodConst1='' OR @MethodConst1 IS NULL ))", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst1","xx"),
                 new SugarParameter("@Id0",2)
             }, "StringIsNullOrEmpty4");

OrmTest/UnitTest/ExpressionTest/Where.cs

@@ -39,7 +39,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereMultiple);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "( it.Id  > @Id0 )", new List<SugarParameter>() {
+            base.Check(value, pars, "( [it].[Id]  > @Id0 )", new List<SugarParameter>() {
                 new SugarParameter("@Id0",1)
             }, "WhereMultiple1");
         }
@@ -52,7 +52,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereMultiple);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " (((( it.Id  > @Id0 )  AND  ( it.Name <> @Name1 ))  OR  ( it.Id  = @Id2 ))  OR  ( it.Name  = @Name3 ))", new List<SugarParameter>() {
+            base.Check(value, pars, " (((( [it].[Id]  > @Id0 )  AND  ( [it].[Name] <> @Name1 ))  OR  ( [it].[Id]  = @Id2 ))  OR  ( [it].[Name]  = @Name3 ))", new List<SugarParameter>() {
                 new SugarParameter("@Id0",1),
                 new SugarParameter("@Name1","a"),
                 new SugarParameter("@Id2",1),
@@ -66,7 +66,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "( Id  > @Id0 )", new List<SugarParameter>() {
+            base.Check(value, pars, "( [Id]  > @Id0 )", new List<SugarParameter>() {
                 new SugarParameter("@Id0",1)
             }, "whereSingle1");
         }
@@ -77,7 +77,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "( @Id0  > Id )", new List<SugarParameter>() {
+            base.Check(value, pars, "( @Id0  > [Id] )", new List<SugarParameter>() {
                 new SugarParameter("@Id0",1)
             }, "whereSingle2");
         }
@@ -88,7 +88,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " (( Id  > @Id0 )  OR  ( Name  = @Name1 ))", new List<SugarParameter>() {
+            base.Check(value, pars, " (( [Id]  > @Id0 )  OR  ( [Name]  = @Name1 ))", new List<SugarParameter>() {
                 new SugarParameter("@Id0",1),
                 new SugarParameter("@Name1","a")
             }, "whereSingle3");
@@ -100,7 +100,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " ((( Id  > @Id0 )  AND  ( Name <> @Name1 ))  OR  ( Name  = @Name2 ))  ", new List<SugarParameter>() {
+            base.Check(value, pars, " ((( [Id]  > @Id0 )  AND  ( [Name] <> @Name1 ))  OR  ( [Name]  = @Name2 ))  ", new List<SugarParameter>() {
                 new SugarParameter("@Id0",1),
                 new SugarParameter("@Name1","a"),
                 new SugarParameter("@Name2","a1")
@@ -115,7 +115,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " ((( Id  > @Id0 )  AND  ( Name <> @Name1 ))  OR  ( Name  = @Name2 ))  ", new List<SugarParameter>() {
+            base.Check(value, pars, " ((( [Id]  > @Id0 )  AND  ( [Name] <> @Name1 ))  OR  ( [Name]  = @Name2 ))  ", new List<SugarParameter>() {
                 new SugarParameter("@Id0",1),
                 new SugarParameter("@Name1","a"),
                 new SugarParameter("@Name2","a1")
@@ -130,7 +130,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, " (((( Id  > @Id0 )  AND  ( Name <> @Name1 ))  OR  ( Id  = @Id2 ))  OR  ( Name  = @Name3 ))", new List<SugarParameter>() {
+            base.Check(value, pars, " (((( [Id]  > @Id0 )  AND  ( [Name] <> @Name1 ))  OR  ( [Id]  = @Id2 ))  OR  ( [Name]  = @Name3 ))", new List<SugarParameter>() {
                 new SugarParameter("@Id0",1),
                 new SugarParameter("@Name1","a"),
                 new SugarParameter("@Id2",1),

SqlSugar/ExpressionsToSql/ExpressionContext.cs

@@ -69,9 +69,71 @@ namespace SqlSugar
         #endregion
 
         #region public functions
-        public virtual string GetaMppingColumnsName(string name)
+        public virtual string GetTranslationTableName(string name,bool isMapping=true)
         {
-            return name;
+            Check.ArgumentNullException(name, string.Format(ErrorMessage.ObjNotExist, "Table Name Or Column Name"));
+            if (name.Contains("[") && name.Contains("]")) return name;
+            if (isMapping&&this.MappingTables.IsValuable())
+            {
+                if (name.Contains("."))
+                {
+                    var columnInfo = name.Split('.');
+                    var mappingInfo = this.MappingTables.FirstOrDefault(it => it.EntityName.Equals(columnInfo.Last(), StringComparison.CurrentCultureIgnoreCase));
+                    if (mappingInfo != null)
+                    {
+                        columnInfo[columnInfo.Length - 1] = mappingInfo.EntityName;
+                    }
+                    return string.Join(".", columnInfo.Select(it => "[" + it + "]"));
+                }
+                else
+                {
+                    var mappingInfo = this.MappingTables.FirstOrDefault(it => it.EntityName.Equals(name, StringComparison.CurrentCultureIgnoreCase));
+                    return "[" + (mappingInfo == null ? name : mappingInfo.EntityName) + "]";
+                }
+            }
+            else
+            {
+                if (name.Contains("."))
+                {
+                    return string.Join(".", name.Split('.').Select(it => "[" + it + "]"));
+                }
+                else
+                {
+                    return "[" + name + "]";
+                }
+            }
+        }
+        public virtual string GetTranslationColumnName(string name, bool isMapping = true)
+        {
+            Check.ArgumentNullException(name, string.Format(ErrorMessage.ObjNotExist, "Table Name Or Column Name"));
+            if (name.Contains("[") && name.Contains("]")) return name;
+            if (isMapping&&this.MappingColumns.IsValuable())
+            {
+                if (name.Contains("."))
+                {
+                    var columnInfo = name.Split('.');
+                    var mappingInfo = this.MappingColumns.FirstOrDefault(it => it.EntityPropertyName.Equals(columnInfo.Last(), StringComparison.CurrentCultureIgnoreCase));
+                    if (mappingInfo != null) {
+                        columnInfo[columnInfo.Length-1] = mappingInfo.DbColumnName;
+                    }
+                    return string.Join(".", columnInfo.Select(it => "[" + it + "]"));
+                }
+                else
+                {
+                    var mappingInfo = this.MappingColumns.FirstOrDefault(it => it.EntityPropertyName.Equals(name, StringComparison.CurrentCultureIgnoreCase));
+                    return "[" + (mappingInfo == null ? name : mappingInfo.DbColumnName) + "]";
+                }
+            }
+            else {
+                if (name.Contains("."))
+                {
+                    return string.Join(".", name.Split('.').Select(it => "[" + it + "]"));
+                }
+                else
+                {
+                    return "[" + name + "]";
+                }
+            }
         }
         public virtual void Resolve(Expression expression, ResolveExpressType resolveType)
         {
@@ -82,11 +144,11 @@ namespace SqlSugar
         }
         public virtual string GetAsString(string asName, string fieldValue)
         {
-            return string.Format(" {0} {1} [{2}] ", fieldValue, "AS", asName);
+            return string.Format(" {0} {1} {2} ", GetTranslationTableName(fieldValue), "AS", GetTranslationColumnName(asName,false));
         }
         public virtual string GetAsString(string asName, string fieldValue,string fieldShortName)
         {
-            return string.Format(" {0}.[{1}] {2} [{3}] ", fieldShortName, fieldValue, "AS", asName);
+            return string.Format(" {0} {1} {2} ", GetTranslationTableName(fieldShortName+"."+ fieldValue), "AS", GetTranslationTableName(asName,false));
         }
         public virtual void Clear()
         {

SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs

@@ -93,13 +93,13 @@ namespace SqlSugar
         {
             string shortName = expression.Expression.ToString();
             string fieldName = expression.Member.Name;
-            fieldName = shortName + "." + fieldName;
+            fieldName =Context.GetTranslationColumnName(shortName + "." + fieldName);
             return fieldName;
         }
 
         private string getSingleName(ExpressionParameter parameter, MemberExpression expression, bool? isLeft)
         {
-            string fieldName = expression.Member.Name;
+            string fieldName = Context.GetTranslationColumnName(expression.Member.Name);
             return fieldName;
         }
     }

SqlSugar/Interface/ILambdaExpressions.cs

@@ -16,7 +16,6 @@ namespace SqlSugar
         List<SugarParameter> Parameters { get; set; }
         ExpressionResult Result { get; set; }
         string SqlParameterKeyWord { get; }
-        string GetaMppingColumnsName(string name);
         string GetAsString(string fieldName, string fieldValue);
         void Resolve(Expression expression, ResolveExpressType resolveType);
         void Clear();