4.5.1.4

Src/Asp.Net/MySqlTest/Demos/1_Query.cs

@@ -166,6 +166,7 @@ namespace OrmTest.Demo
             var getByFuns = db.Queryable<Student>().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList();
             var sum = db.Queryable<Student>().Sum(it => it.Id);
             var isAny = db.Queryable<Student>().Where(it => it.Id == -1).Any();
+            var date = db.Queryable<Student>().Where(it => it.CreateTime.Value.Date ==DateTime.Now.Date).ToList();
             var isAny2 = db.Queryable<Student>().Any(it => it.Id == -1);
             var getListByRename = db.Queryable<School>().AS("Student").ToList();
             var in1 = db.Queryable<Student>().In(it => it.Id, new int[] { 1, 2, 3 }).ToList();

Src/Asp.Net/SqlServerTest/Demos/1_Query.cs

@@ -195,6 +195,7 @@ namespace OrmTest.Demo
             var sum2 = db.Queryable<Student,School>((st,sc)=>st.SchoolId==sc.Id).Sum((st,sc) => sc.Id);
             var isAny = db.Queryable<Student>().Where(it => it.Id == -1).Any();
             var isAny2 = db.Queryable<Student>().Any(it => it.Id == -1);
+            var date = db.Queryable<Student>().Where(it => it.CreateTime.Value.Date == DateTime.Now.Date).ToList();
             var getListByRename = db.Queryable<School>().AS("Student").ToList();
             var in1 = db.Queryable<Student>().In(it => it.Id, new int[] { 1, 2, 3 }).ToList();
             var in2 = db.Queryable<Student>().In(new int[] { 1, 2, 3 }).ToList();

Src/Asp.Net/SqlServerTest/UnitTest/ExpressionTest/Where.cs

@@ -399,7 +399,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "(  DateName(Year,[Datetime1]) +'-'+ DateName(Month,[Datetime1]) +'-'+ DateName(Day,[Datetime1])  > @Date0 )", new List<SugarParameter>()
+            base.Check(value, pars, "(  CAST( DateName(Year,[Datetime1]) +'-'+ DateName(Month,[Datetime1]) +'-'+ DateName(Day,[Datetime1])  AS DATETIME) > @Date0 )", new List<SugarParameter>()
             {
                 new SugarParameter("@Date0",DateTime.Now.Date),
               

Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs

@@ -107,12 +107,12 @@ namespace SqlSugar
                              new MethodCallExpressionArgs() {   MemberName=DateType.Year, MemberValue=DateType.Year}
                          }
                     };
-                    AppendMember(parameter, isLeft,this.Context.DbMehtods.MergeString(
+                    AppendMember(parameter, isLeft, GetToDate(this.Context.DbMehtods.MergeString(
                         this.GetDateValue(parameter.CommonTempData, DateType.Year), 
                         "+'-'+",
                         this.GetDateValue(parameter.CommonTempData, DateType.Month),
                         "+'-'+",
-                        this.GetDateValue(parameter.CommonTempData, DateType.Day)));
+                        this.GetDateValue(parameter.CommonTempData, DateType.Day))));
                 }
                 parameter.CommonTempData = oldCommonTempDate;
                 return;
@@ -276,5 +276,15 @@ namespace SqlSugar
             };
             return this.Context.DbMehtods.DateValue(pars);
         }
+        private string GetToDate(string value)
+        {
+            var pars = new MethodCallExpressionModel()
+            {
+                Args = new List<MethodCallExpressionArgs>() {
+                             new MethodCallExpressionArgs() { MemberName=value, MemberValue=value },
+                         }
+            };
+            return this.Context.DbMehtods.ToDate(pars);
+        }
     }
 }

Src/Asp.Net/SqlSugar/Properties/AssemblyInfo.cs

@@ -31,5 +31,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("4.5.1.3")]
-[assembly: AssemblyFileVersion("4.5.1.3")]
+[assembly: AssemblyVersion("4.5.1.4")]
+[assembly: AssemblyFileVersion("4.5.1.4")]

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

@@ -121,7 +121,7 @@ namespace SqlSugar
         }
         public override string MergeString(params string[] strings)
         {
-            return " concat("+string.Join(",", strings)+") ";
+            return " concat("+string.Join(",", strings).Replace("+", "") + ") ";
         }
     }
 }

Src/Asp.Net/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteExpressionContext.cs

@@ -194,7 +194,7 @@ namespace SqlSugar
 
         public override string MergeString(params string[] strings)
         {
-            return  string.Join("||", strings) ;
+            return  string.Join("||", strings).Replace("+","");
         }
     }
 }