SqlRemark

Src/Asp.Net/SqlServerTest/Program.cs

@@ -17,8 +17,9 @@ namespace OrmTest
     {
         static void Main(string[] args)
         {
-   
+
             //    /***Unit Test***/
+            new SqlRemark(2).Init();
             new Select(1).Init();
             new Field(1).Init();
             new Where(1).Init();

Src/Asp.Net/SqlServerTest/SqlServerTest.csproj

@@ -86,6 +86,7 @@
     <Compile Include="UnitTest\DataTest.cs" />
     <Compile Include="UnitTest\Delete.cs" />
     <Compile Include="UnitTest\EnumTest.cs" />
+    <Compile Include="UnitTest\SqlRemark.cs" />
     <Compile Include="UnitTest\UnitTestBase.cs" />
     <Compile Include="UnitTest\ExpressionTest\Field.cs" />
     <Compile Include="UnitTest\Insert.cs" />

Src/Asp.Net/SqlServerTest/UnitTest/SqlRemark.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest.UnitTest
+{
+    public class SqlRemark : UnitTestBase
+    {
+        private SqlRemark() { }
+        public SqlRemark(int eachCount)
+        {
+            this.Count = eachCount;
+        }
+
+        public void Init()
+        {
+            var db = GetInstance();
+
+            //column remak
+            if (db.DbMaintenance.IsAnyColumnRemark("id", "student"))
+            {
+                db.DbMaintenance.DeleteColumnRemark("id", "student");
+                base.Check(false.ToString(), null, db.DbMaintenance.IsAnyColumnRemark("id", "student").ToString(), null, "SqlRemark error");
+            }
+            else {
+                db.DbMaintenance.AddColumnRemark("id", "student","hhXX");
+                base.Check(true.ToString(), null, db.DbMaintenance.IsAnyColumnRemark("id", "student").ToString(), null, "SqlRemark error");
+            }
+
+
+            //table remak
+            if (db.DbMaintenance.IsAnyTableRemark("student"))
+            {
+                db.DbMaintenance.DeleteTableRemark("student");
+                base.Check(false.ToString(), null, db.DbMaintenance.IsAnyTableRemark("student").ToString(), null, "SqlRemark error");
+            }
+            else
+            {
+                db.DbMaintenance.AddTableRemark("student", "hhXX");
+                base.Check(true.ToString(), null, db.DbMaintenance.IsAnyTableRemark("student").ToString(), null, "SqlRemark error");
+            }
+        }
+    }
+}

Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs

@@ -223,26 +223,26 @@ namespace SqlSugar
         public virtual bool IsAnyColumnRemark(string columnName, string tableName)
         {
             string sql = string.Format(this.IsAnyColumnRemarkSql, columnName, tableName);
+            var dt=this.Context.Ado.GetDataTable(sql);
+            return dt.Rows!=null&&dt.Rows.Count>0;
+        }
+        public virtual bool AddTableRemark(string tableName, string description)
+        {
+            string sql = string.Format(this.AddTableRemarkSql, tableName, description);
             this.Context.Ado.ExecuteCommand(sql);
             return true;
         }
-        public virtual bool AddTableRemark(string columnName, string tableName, string description)
+        public virtual bool DeleteTableRemark(string tableName)
         {
-            string sql = string.Format(this.AddTableRemarkSql, columnName, tableName, description);
+            string sql = string.Format(this.DeleteTableRemarkSql,tableName);
             this.Context.Ado.ExecuteCommand(sql);
             return true;
         }
-        public virtual bool DeleteTableRemark(string columnName, string tableName)
+        public virtual bool IsAnyTableRemark(string tableName)
         {
-            string sql = string.Format(this.DeleteTableRemarkSql, columnName, tableName);
+            string sql = string.Format(this.IsAnyTableRemarkSql, tableName);
-            this.Context.Ado.ExecuteCommand(sql);
+            var dt=this.Context.Ado.GetDataTable(sql);
-            return true;
+            return dt.Rows != null && dt.Rows.Count > 0;
-        }
-        public virtual bool IsAnyTableRemark(string columnName, string tableName)
-        {
-            string sql = string.Format(this.IsAnyTableRemarkSql, columnName, tableName);
-            this.Context.Ado.ExecuteCommand(sql);
-            return true;
         }
         #endregion
 

Src/Asp.Net/SqlSugar/Interface/IDbMaintenance.cs

@@ -40,9 +40,9 @@ namespace SqlSugar
         bool AddColumnRemark(string columnName,string tableName,string description);
         bool DeleteColumnRemark(string columnName, string tableName);
         bool IsAnyColumnRemark(string columnName, string tableName);
-        bool AddTableRemark(string columnName, string tableName, string description);
+        bool AddTableRemark( string tableName, string description);
-        bool DeleteTableRemark(string columnName, string tableName);
+        bool DeleteTableRemark(string tableName);
-        bool IsAnyTableRemark(string columnName, string tableName);
+        bool IsAnyTableRemark(string tableName);
         #endregion
     }
 }

Src/Asp.Net/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs

@@ -205,7 +205,7 @@ namespace SqlSugar
         {
             get
             {
-                throw new NotImplementedException();
+                return "EXECUTE sp_addextendedproperty N'MS_Description', '{2}', N'user', N'dbo', N'table', N'{1}', N'column', N'{0}'"; ;
             }
         }
 
@@ -213,7 +213,7 @@ namespace SqlSugar
         {
             get
             {
-                throw new NotImplementedException();
+                return "EXEC sp_dropextendedproperty 'MS_Description','user',dbo,'table','{1}','column',{0}";
             }
 
         }
@@ -222,16 +222,24 @@ namespace SqlSugar
         {
             get
             {
-                throw new NotImplementedException();
+                return @"SELECT" +
+                                " A.name AS table_name," +
+                                " B.name AS column_name," +
+                                " C.value AS column_description" +
+                                " FROM sys.tables A" +
+                                " LEFT JOIN sys.extended_properties C ON C.major_id = A.object_id" +
+                                " LEFT JOIN sys.columns B ON B.object_id = A.object_id AND C.minor_id = B.column_id" +
+                                " INNER JOIN sys.schemas SC ON SC.schema_id = A.schema_id AND SC.name = 'dbo'"+
+                                " WHERE A.name = '{1}' and b.name = '{0}'";
+ 
             }
-
         }
 
         protected override string AddTableRemarkSql
         {
             get
             {
-                throw new NotImplementedException();
+                return "EXECUTE sp_addextendedproperty N'MS_Description', '{1}', N'user', N'dbo', N'table', N'{0}', NULL, NULL";
             }
         }
 
@@ -239,7 +247,7 @@ namespace SqlSugar
         {
             get
             {
-                throw new NotImplementedException();
+                return "EXEC sp_dropextendedproperty 'MS_Description','user',dbo,'table','{0}' ";
             }
 
         }
@@ -248,7 +256,11 @@ namespace SqlSugar
         {
             get
             {
-                throw new NotImplementedException();
+                return @"SELECT C.class_desc
+                                FROM sys.tables A 
+                                LEFT JOIN sys.extended_properties C ON C.major_id = A.object_id 
+								INNER JOIN sys.schemas SC ON  SC.schema_id=A.schema_id AND SC.name='dbo'
+                                WHERE A.name = '{0}'  AND minor_id=0";
             }
 
         }