Merge branch 'master' of gitee.com:sunkaixuan/sqlsugar_orm_4-0

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

@@ -252,6 +252,7 @@ namespace OrmTest.Demo
             var getSingleOrDefault = db.Queryable<Student>().Where(it => it.Id == 1).Single();
             var getFirstOrDefault = db.Queryable<Student>().First();
             var getByWhere = db.Queryable<Student>().Where(it => it.Id == 1 || it.Name == "a").ToList();
+            var getByWhere2 = db.Queryable<Student>().Where(it => it.Id ==DateTime.Now.Year).ToList();
             var getByFuns = db.Queryable<Student>().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList();
             var sum = db.Queryable<Student>().Select(it => it.SchoolId).ToList();
             var sum2 = db.Queryable<Student, School>((st, sc) => st.SchoolId == sc.Id).Sum((st, sc) => sc.Id);

Src/Asp.Net/SqlServerTest/Demos/6_ComplexModel.cs

@@ -28,6 +28,8 @@ namespace OrmTest.Demo
                     }
                 }
             }
+
+            db.Insertable(new CMStudent() { Name="xx" }).ExecuteCommand();
         }
     }
 

Src/Asp.Net/SqlSugar/Abstract/AdoProvider/AdoProvider.cs

@@ -653,7 +653,7 @@ namespace SqlSugar
             var hasParameter = parameters.HasValue();
             if (hasParameter)
             {
-                foreach (var outputParameter in parameters.Where(it => it.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput)))
+                foreach (var outputParameter in parameters.Where(it => it.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput,ParameterDirection.ReturnValue)))
                 {
                     var gobalOutputParamter = this.OutputParameters.Single(it => it.ParameterName == outputParameter.ParameterName);
                     outputParameter.Value = gobalOutputParamter.Value;

Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs

@@ -121,7 +121,14 @@ namespace SqlSugar
                         var entityPropertyName = this.Context.EntityMaintenance.GetPropertyName<T>(primaryField);
                         var columnInfo = EntityInfo.Columns.Single(it => it.PropertyName == entityPropertyName);
                         var entityValue = columnInfo.PropertyInfo.GetValue(deleteObj, null);
-                        andString.AppendFormat(DeleteBuilder.WhereInEqualTemplate, primaryField, entityValue);
+                        if (this.Context.CurrentConnectionConfig.DbType == DbType.Oracle)
+                        {
+                            andString.AppendFormat(DeleteBuilder.WhereInEqualTemplate, primaryField.ToUpper(), entityValue);
+                        }
+                        else
+                        {
+                            andString.AppendFormat(DeleteBuilder.WhereInEqualTemplate, primaryField, entityValue);
+                        }
                         ++i;
                     }
                     orString.AppendFormat(DeleteBuilder.WhereInAreaTemplate, andString);

Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs

@@ -266,6 +266,7 @@ namespace SqlSugar
                 List<DbColumnInfo> insertItem = new List<DbColumnInfo>();
                 foreach (var column in EntityInfo.Columns)
                 {
+                    if (column.IsIgnore || column.IsOnlyIgnoreInsert) continue;
                     var columnInfo = new DbColumnInfo()
                     {
                         Value = column.PropertyInfo.GetValue(item, null),

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

@@ -214,15 +214,24 @@ namespace SqlSugar
             parameter.CommonTempData = CommonTempDataType.Result;
             this.Expression = expression.Expression;
             var isConst = this.Expression is ConstantExpression;
-            this.Start();
-            var result = this.Context.DbMehtods.DateValue(new MethodCallExpressionModel()
+            if (this.Expression.Type == UtilConstants.DateType && this.Expression.ToString() == "DateTime.Now")
             {
-                Args = new List<MethodCallExpressionArgs>() {
+                this.Expression = expression;
+                var parameterName=base.AppendParameter(ExpressionTool.GetMemberValue(expression.Member, expression));
+                base.AppendMember(parameter, isLeft, parameterName);
+            }
+            else
+            {
+                this.Start();
+                var result = this.Context.DbMehtods.DateValue(new MethodCallExpressionModel()
+                {
+                    Args = new List<MethodCallExpressionArgs>() {
                      new MethodCallExpressionArgs() { IsMember = !isConst, MemberName = parameter.CommonTempData, MemberValue = null },
                      new MethodCallExpressionArgs() { IsMember = true, MemberName = name, MemberValue = name }
                   }
-            });
-            base.AppendMember(parameter, isLeft, result);
+                });
+                base.AppendMember(parameter, isLeft, result);
+            }
             parameter.CommonTempData = oldCommonTempDate;
         }
 

Src/Asp.Net/SqlSugar/Infrastructure/ContextMethods.cs

@@ -213,6 +213,9 @@ namespace SqlSugar
                         var addItem = readerValues[info];
                         if (addItem == DBNull.Value)
                             addItem = null;
+                        if (prop.PropertyType == UtilConstants.IntType) {
+                            addItem = addItem.ObjToInt();
+                        }
                         result.Add(name, addItem);
                     }
                 }

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("4.6.4.6")]
-[assembly: AssemblyFileVersion("4.6.4.6")]
+[assembly: AssemblyVersion("4.6.4.7")]
+[assembly: AssemblyFileVersion("4.6.4.7")]

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

@@ -102,7 +102,7 @@ namespace SqlSugar
                     sqlParameter.Direction = ParameterDirection.Input;
                 }
                 result[index] = sqlParameter;
-                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput))
+                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput,ParameterDirection.ReturnValue))
                 {
                     if (this.OutputParameters == null) this.OutputParameters = new List<IDataParameter>();
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);

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

@@ -159,7 +159,7 @@ namespace SqlSugar
                 if (parameter.Direction != 0)
                     sqlParameter.Direction = parameter.Direction;
                 result[index] = sqlParameter;
-                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput))
+                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput,ParameterDirection.ReturnValue))
                 {
                     if (this.OutputParameters == null) this.OutputParameters = new List<IDataParameter>();
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);

Src/Asp.Net/SqlSugar/Realization/Oracle/Updateable/OracleUpdateable.cs

@@ -13,8 +13,15 @@ namespace SqlSugar
         }
         public override int ExecuteCommand()
         {
-            base.ExecuteCommand();
-            return base.UpdateObjs.Count();
+            if (base.UpdateObjs.Count() == 1)
+            {
+                return base.ExecuteCommand();
+            }
+            else
+            {
+                base.ExecuteCommand();
+                return base.UpdateObjs.Count();
+            }
         }
     }
 }

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

@@ -98,7 +98,7 @@ namespace SqlSugar
                 sqlParameter.DbType = parameter.DbType;
                 sqlParameter.Direction = parameter.Direction;
                 result[index] = sqlParameter;
-                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput))
+                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput,ParameterDirection.ReturnValue))
                 {
                     if (this.OutputParameters == null) this.OutputParameters = new List<IDataParameter>();
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);

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

@@ -97,7 +97,7 @@ namespace SqlSugar
                 sqlParameter.Value = parameter.Value;
                 sqlParameter.DbType = parameter.DbType;
                 result[index] = sqlParameter;
-                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput)) { 
+                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput,ParameterDirection.ReturnValue)) { 
                     if (this.OutputParameters == null) this.OutputParameters = new List<IDataParameter>();
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);
                     this.OutputParameters.Add(sqlParameter);

Src/Asp.Net/SqlSugar/SqlSugar.nuspec

@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>sqlSugar</id>
-    <version>4.6.4.5</version>
+    <version>4.6.4.7</version>
     <title>SqlSugar .Net Framework 4.0+  ORM </title>
     <authors>sun kaixuan</authors>
     <owners>landa</owners>

Src/Asp.NetCore2/SqlSeverTest/NugetTest/NugetTest.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="sqlSugarCore" Version="4.5.9.9" />
+    <PackageReference Include="sqlSugarCore" Version="4.6.4.7" />
   </ItemGroup>
 
 </Project>

Src/Asp.NetCore2/SqlSeverTest/NugetTest/Program.cs

@@ -8,7 +8,8 @@ namespace NugetTest
         {
             var db = new SqlSugarClient(new ConnectionConfig() {
                  ConnectionString=Config.ConnectionString,
-                 IsAutoCloseConnection=true
+                 IsAutoCloseConnection=true,
+                 DbType=DbType.Oracle
             });
             var list = db.Ado.GetInt("select 1");
             Console.WriteLine("Hello World!");

Src/Asp.NetCore2/SqlSeverTest/OracleTest/Config.cs

@@ -8,6 +8,6 @@ namespace OrmTest
 {
     public class Config
     {
-        public static string ConnectionString = "Data Source=kobato.meibu.net/orclpdb;User ID=sa;Password=123456;";
+        public static string ConnectionString = "Data Source=SUNKAIXUAN.htinns.loc/ORCL;User ID=system;Password=manager;";
     }
 }

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/AdoProvider/AdoProvider.cs

@@ -653,7 +653,7 @@ namespace SqlSugar
             var hasParameter = parameters.HasValue();
             if (hasParameter)
             {
-                foreach (var outputParameter in parameters.Where(it => it.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput)))
+                foreach (var outputParameter in parameters.Where(it => it.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput,ParameterDirection.ReturnValue)))
                 {
                     var gobalOutputParamter = this.OutputParameters.Single(it => it.ParameterName == outputParameter.ParameterName);
                     outputParameter.Value = gobalOutputParamter.Value;

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs

@@ -121,7 +121,14 @@ namespace SqlSugar
                         var entityPropertyName = this.Context.EntityMaintenance.GetPropertyName<T>(primaryField);
                         var columnInfo = EntityInfo.Columns.Single(it => it.PropertyName == entityPropertyName);
                         var entityValue = columnInfo.PropertyInfo.GetValue(deleteObj, null);
-                        andString.AppendFormat(DeleteBuilder.WhereInEqualTemplate, primaryField, entityValue);
+                        if (this.Context.CurrentConnectionConfig.DbType == DbType.Oracle)
+                        {
+                            andString.AppendFormat(DeleteBuilder.WhereInEqualTemplate, primaryField.ToUpper(), entityValue);
+                        }
+                        else
+                        {
+                            andString.AppendFormat(DeleteBuilder.WhereInEqualTemplate, primaryField, entityValue);
+                        }
                         ++i;
                     }
                     orString.AppendFormat(DeleteBuilder.WhereInAreaTemplate, andString);

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs

@@ -266,6 +266,7 @@ namespace SqlSugar
                 List<DbColumnInfo> insertItem = new List<DbColumnInfo>();
                 foreach (var column in EntityInfo.Columns)
                 {
+                    if (column.IsIgnore || column.IsOnlyIgnoreInsert) continue;
                     var columnInfo = new DbColumnInfo()
                     {
                         Value = column.PropertyInfo.GetValue(item, null),

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs

@@ -214,15 +214,24 @@ namespace SqlSugar
             parameter.CommonTempData = CommonTempDataType.Result;
             this.Expression = expression.Expression;
             var isConst = this.Expression is ConstantExpression;
-            this.Start();
-            var result = this.Context.DbMehtods.DateValue(new MethodCallExpressionModel()
+            if (this.Expression.Type == UtilConstants.DateType && this.Expression.ToString() == "DateTime.Now")
             {
-                Args = new List<MethodCallExpressionArgs>() {
+                this.Expression = expression;
+                var parameterName=base.AppendParameter(ExpressionTool.GetMemberValue(expression.Member, expression));
+                base.AppendMember(parameter, isLeft, parameterName);
+            }
+            else
+            {
+                this.Start();
+                var result = this.Context.DbMehtods.DateValue(new MethodCallExpressionModel()
+                {
+                    Args = new List<MethodCallExpressionArgs>() {
                      new MethodCallExpressionArgs() { IsMember = !isConst, MemberName = parameter.CommonTempData, MemberValue = null },
                      new MethodCallExpressionArgs() { IsMember = true, MemberName = name, MemberValue = name }
                   }
-            });
-            base.AppendMember(parameter, isLeft, result);
+                });
+                base.AppendMember(parameter, isLeft, result);
+            }
             parameter.CommonTempData = oldCommonTempDate;
         }
 

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Infrastructure/ContextMethods.cs

@@ -213,6 +213,9 @@ namespace SqlSugar
                         var addItem = readerValues[info];
                         if (addItem == DBNull.Value)
                             addItem = null;
+                        if (prop.PropertyType == UtilConstants.IntType) {
+                            addItem = addItem.ObjToInt();
+                        }
                         result.Add(name, addItem);
                     }
                 }

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Infrastructure/DependencyManagement.cs

@@ -63,8 +63,8 @@ namespace SqlSugar
                 catch
                 {
                     var message = ErrorMessage.GetThrowMessage(
-                     "You need to refer to Oracle.ManagedDataAccess.dll",
-                     "Oracle .NET Core官方驱动还没发布，暂不支持Oracle");
+                     "You need to refer to Oracle.ManagedDataAccess.Core",
+                     "你需要引用 Oracle.ManagedDataAccess.Core");
                     throw new Exception(message);
                 }
             }

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/OnlyCore/DataExtensions.cs

@@ -1,9 +1,9 @@
 using Microsoft.Data.Sqlite;
 using MySql.Data.MySqlClient;
+using Oracle.ManagedDataAccess.Client;
 using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.Data.OracleClient;
 using System.Data.SqlClient;
 using System.Linq;
 using System.Threading.Tasks;
@@ -784,7 +784,7 @@ namespace SqlSugar
     /// <summary>
     /// 数据填充器
     /// </summary>
-    public class OracleDataAdapter : IDataAdapter
+    public class MyOracleDataAdapter : IDataAdapter
     {
         private OracleCommand command;
         private string sql;
@@ -794,12 +794,12 @@ namespace SqlSugar
         /// SqlDataAdapter
         /// </summary>
         /// <param name="command"></param>
-        public OracleDataAdapter(OracleCommand command)
+        public MyOracleDataAdapter(OracleCommand command)
         {
             this.command = command;
         }
 
-        public OracleDataAdapter()
+        public MyOracleDataAdapter()
         {
 
         }
@@ -809,7 +809,7 @@ namespace SqlSugar
         /// </summary>
         /// <param name="sql"></param>
         /// <param name="_sqlConnection"></param>
-        public OracleDataAdapter(string sql, OracleConnection _sqlConnection)
+        public MyOracleDataAdapter(string sql, OracleConnection _sqlConnection)
         {
             this.sql = sql;
             this._sqlConnection = _sqlConnection;

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Oracle/DbBind/OracleDbBind.cs

@@ -52,7 +52,18 @@ namespace SqlSugar
         {
             get
             {
-                return new List<KeyValuePair<string, CSharpDataType>>()
+                var extService = this.Context.CurrentConnectionConfig.ConfigureExternalServices;
+                if (extService != null && extService.AppendDataReaderTypeMappings.HasValue())
+                {
+                    return extService.AppendDataReaderTypeMappings.Union(MappingTypesConst).ToList();
+                }
+                else
+                {
+                    return MappingTypesConst;
+                }
+            }
+        }
+        public static List<KeyValuePair<string, CSharpDataType>> MappingTypesConst = new List<KeyValuePair<string, CSharpDataType>>()
                 {
                   new KeyValuePair<string, CSharpDataType>("int",CSharpDataType.@int),
                   new KeyValuePair<string, CSharpDataType>("integer",CSharpDataType.@int),
@@ -94,9 +105,6 @@ namespace SqlSugar
                   new KeyValuePair<string, CSharpDataType>("raw",CSharpDataType.byteArray),
                   new KeyValuePair<string, CSharpDataType>("bfile",CSharpDataType.byteArray),
                   new KeyValuePair<string, CSharpDataType>("varbinary",CSharpDataType.byteArray) };
-
-            }
-        }
         public override List<string> StringThrow
         {
             get

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs

@@ -169,51 +169,55 @@ namespace SqlSugar
                 return "IDENTITY(1,1)";
             }
         }
-
-        public override bool CreateTable(string tableName, List<DbColumnInfo> columns, bool isCreatePrimaryKey = true)
-        {
-            throw new NotImplementedException();
-        }
         #endregion
 
         #region Methods
-        public override List<DbColumnInfo> GetColumnInfosByTableName(string tableName,bool isCache)
+        public override List<DbColumnInfo> GetColumnInfosByTableName(string tableName,bool isCache=true)
         {
             string cacheKey = "DbMaintenanceProvider.GetColumnInfosByTableName." + this.SqlBuilder.GetNoTranslationColumnName(tableName).ToLower();
             cacheKey = GetCacheKey(cacheKey);
+            if (!isCache)
+                return GetColumnInfosByTableName(tableName);
+            else
             return this.Context.Utilities.GetReflectionInoCacheInstance().GetOrCreate(cacheKey,
                     () =>
                     {
-                        string sql = "select * from " + tableName + " WHERE 1=2 ";
-                        var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
-                        this.Context.Ado.IsEnableLogEvent = false;
-                        using (DbDataReader reader = (DbDataReader)this.Context.Ado.GetDataReader(sql))
-                        {
-                            this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
-                            List<DbColumnInfo> result = new List<DbColumnInfo>();
-                            var schemaTable = reader.GetSchemaTable();
-                            foreach (DataRow row in schemaTable.Rows)
-                            {
-                                DbColumnInfo column = new DbColumnInfo()
-                                {
-                                    TableName = tableName,
-                                    DataType = row["DataType"].ToString().Replace("System.", "").Trim(),
-                                    IsNullable = (bool)row["AllowDBNull"],
-                                    //IsIdentity = (bool)row["IsAutoIncrement"],
-                                    ColumnDescription = null,
-                                    DbColumnName = row["ColumnName"].ToString(),
-                                    //DefaultValue = row["defaultValue"].ToString(),
-                                    IsPrimarykey = GetPrimaryKeyByTableNames(tableName).Any(it=>it.Equals(row["ColumnName"].ToString(), StringComparison.CurrentCultureIgnoreCase)),
-                                    Length = row["ColumnSize"].ObjToInt(),
-                                    Scale = row["numericscale"].ObjToInt()
-                                };
-                                result.Add(column);
-                            }
-                            return result;
-                        }
+                        return GetColumnInfosByTableName(tableName);
 
                     });
         }
+
+        private List<DbColumnInfo> GetColumnInfosByTableName(string tableName)
+        {
+            string sql = "select * from " + tableName + " WHERE 1=2 ";
+            var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
+            this.Context.Ado.IsEnableLogEvent = false;
+            using (DbDataReader reader = (DbDataReader)this.Context.Ado.GetDataReader(sql))
+            {
+                this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
+                List<DbColumnInfo> result = new List<DbColumnInfo>();
+                var schemaTable = reader.GetSchemaTable();
+                foreach (System.Data.DataRow row in schemaTable.Rows)
+                {
+                    DbColumnInfo column = new DbColumnInfo()
+                    {
+                        TableName = tableName,
+                        DataType = row["DataType"].ToString().Replace("System.", "").Trim(),
+                        IsNullable = (bool)row["AllowDBNull"],
+                        //IsIdentity = (bool)row["IsAutoIncrement"],
+                        ColumnDescription = GetFieldComment(tableName, row["ColumnName"].ToString()),
+                        DbColumnName = row["ColumnName"].ToString(),
+                        //DefaultValue = row["defaultValue"].ToString(),
+                        IsPrimarykey = GetPrimaryKeyByTableNames(tableName).Any(it => it.Equals(row["ColumnName"].ToString(), StringComparison.CurrentCultureIgnoreCase)),
+                        Length = row["ColumnSize"].ObjToInt(),
+                        Scale = row["numericscale"].ObjToInt()
+                    };
+                    result.Add(column);
+                }
+                return result;
+            }
+        }
+
         private List<string> GetPrimaryKeyByTableNames(string tableName)
         {
             string cacheKey = "DbMaintenanceProvider.GetPrimaryKeyByTableNames." + this.SqlBuilder.GetNoTranslationColumnName(tableName).ToLower();
@@ -225,12 +229,50 @@ namespace SqlSugar
                         this.Context.Ado.IsEnableLogEvent = false;
                         string sql = @" select distinct cu.COLUMN_name KEYNAME  from user_cons_columns cu, user_constraints au 
                             where cu.constraint_name = au.constraint_name
-                            and au.constraint_type = 'P' and au.table_name = '" +tableName.ToUpper()+ @"'";
+                            and au.constraint_type = 'P' and au.table_name = '" + tableName.ToUpper() + @"'";
                         var pks = this.Context.Ado.SqlQuery<string>(sql);
                         this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
                         return pks;
                     });
         }
+
+        public string GetTableComment(string tableName)
+        {
+            string cacheKey = "DbMaintenanceProvider.GetTableComment." + tableName;
+            var comments = this.Context.Utilities.GetReflectionInoCacheInstance().GetOrCreate(cacheKey,
+                          () =>
+                          {
+                              string sql = "SELECT COMMENTS FROM USER_TAB_COMMENTS WHERE TABLE_NAME =@tableName ORDER BY TABLE_NAME";
+                              var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
+                              this.Context.Ado.IsEnableLogEvent = false;
+                              var pks = this.Context.Ado.SqlQuery<string>(sql,new { tableName=tableName.ToUpper() });
+                              this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
+                              return pks;
+                          });
+            return comments.HasValue() ? comments.First() : "";
+        }
+
+        public string GetFieldComment(string tableName, string filedName)
+        {
+            string cacheKey = "DbMaintenanceProvider.GetFieldComment." + tableName;
+            var comments = this.Context.Utilities.GetReflectionInoCacheInstance().GetOrCreate(cacheKey,
+                           () =>
+                           {
+                               string sql = "SELECT TABLE_NAME AS TableName, COLUMN_NAME AS DbColumnName,COMMENTS AS ColumnDescription  FROM user_col_comments   WHERE TABLE_NAME =@tableName ORDER BY TABLE_NAME";
+                               var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
+                               this.Context.Ado.IsEnableLogEvent = false;
+                               var pks = this.Context.Ado.SqlQuery<DbColumnInfo>(sql, new { tableName = tableName.ToUpper() });
+                               this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
+                               return pks;
+                           });
+            return comments.HasValue() ? comments.First(it=>it.DbColumnName.Equals(filedName,StringComparison.CurrentCultureIgnoreCase)).ColumnDescription : "";
+
+        }
+
+        public override bool CreateTable(string tableName, List<DbColumnInfo> columns, bool isCreatePrimaryKey = true)
+        {
+            throw new NotImplementedException();
+        }
         #endregion
     }
 }

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Oracle/Insertable/OracleInsertable.cs

@@ -27,21 +27,32 @@ namespace SqlSugar
             string sql = InsertBuilder.ToSqlString();
             RestoreMapping();
             var count = Ado.ExecuteCommand(sql, InsertBuilder.Parameters == null ? null : InsertBuilder.Parameters.ToArray());
-            var result = (this.GetIdentityKeys().IsNullOrEmpty() || count == 0) ? 0 : GetSeqValue(GetSeqName());
+            var result = (this.GetIdentityKeys().IsNullOrEmpty() || count == 0) ? 0 : GetSeqValue(GetSeqName()).ObjToInt();
             return result;
         }
 
+        public override long ExecuteReturnBigIdentity()
+        {
+            InsertBuilder.IsReturnIdentity = true;
+            PreToSql();
+            string sql = InsertBuilder.ToSqlString();
+            RestoreMapping();
+            var count = Ado.ExecuteCommand(sql, InsertBuilder.Parameters == null ? null : InsertBuilder.Parameters.ToArray());
+            var result = (this.GetIdentityKeys().IsNullOrEmpty() || count == 0) ? 0 :Convert.ToInt64(GetSeqValue(GetSeqName()));
+            return result;
+        }
+
+
         public override int ExecuteCommand()
         {
             base.ExecuteCommand();
             return base.InsertObjs.Count();
         }
 
-        private int GetSeqValue(string seqName)
+        private object GetSeqValue(string seqName)
         {
-            return Ado.GetInt(" SELECT " + seqName + ".currval FROM DUAL");
+            return Ado.GetScalar(" SELECT " + seqName + ".currval FROM DUAL");
         }
-
         protected override void PreToSql()
         {
             var identities = GetSeqNames();

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Oracle/OracleProvider.cs

@@ -1,16 +1,34 @@
-using System;
+using Oracle.ManagedDataAccess.Client;
+using System;
 using System.Collections.Generic;
 using System.Data;
-using System.Data.OracleClient;
 using System.Data.SqlClient;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 namespace SqlSugar
 {
     public class OracleProvider : AdoProvider
     {
-        public OracleProvider() { }
+        public OracleProvider()
+        {
+            this.FormatSql = sql =>
+            {
+                if (sql.HasValue()&&sql.Contains("@")) {
+                    var exceptionalCaseInfo = Regex.Matches(sql,@"\'.*?\@.*?\'| \w+\@\w+ ");
+                    if (exceptionalCaseInfo != null) {
+                        foreach (var item in exceptionalCaseInfo.Cast<Match>())
+                        {
+                            sql = sql.Replace(item.Value, item.Value.Replace("@", UtilConstants.ReplaceKey));
+                        }
+                    }
+                    sql = sql .Replace("@",":");
+                    sql = sql.Replace(UtilConstants.ReplaceKey, "@");
+                }
+                return sql;
+            };
+        }
         public override string SqlParameterKeyWord
         {
             get
@@ -24,7 +42,6 @@ namespace SqlSugar
             {
                 try
                 {
-                    throw new NotSupportedException("NET Core 2.0 Oracle official driver has not yet, please wait");
                     if (base._DbConnection == null)
                     {
                         base._DbConnection = new OracleConnection(base.Context.CurrentConnectionConfig.ConnectionString);
@@ -61,11 +78,12 @@ namespace SqlSugar
         }
         public override IDataAdapter GetAdapter()
         {
-            return new OracleDataAdapter();
+            return new MyOracleDataAdapter();
         }
         public override IDbCommand GetCommand(string sql, SugarParameter[] parameters)
         {
             OracleCommand sqlCommand = new OracleCommand(sql, (OracleConnection)this.Connection);
+            sqlCommand.BindByName = true;
             sqlCommand.CommandType = this.CommandType;
             sqlCommand.CommandTimeout = this.CommandTimeOut;
             if (this.Transaction != null)
@@ -82,7 +100,7 @@ namespace SqlSugar
         }
         public override void SetCommandToAdapter(IDataAdapter dataAdapter, IDbCommand command)
         {
-            ((OracleDataAdapter)dataAdapter).SelectCommand = (OracleCommand)command;
+            ((MyOracleDataAdapter)dataAdapter).SelectCommand = (OracleCommand)command;
         }
         /// <summary>
         /// if mysql return MySqlParameter[] pars
@@ -100,7 +118,7 @@ namespace SqlSugar
                 if (parameter.Value == null) parameter.Value = DBNull.Value;
                 var sqlParameter = new OracleParameter();
                 sqlParameter.Size = parameter.Size == -1 ? 0 : parameter.Size;
-                sqlParameter.ParameterName = parameter.ParameterName.ToLower();
+                sqlParameter.ParameterName = parameter.ParameterName;
                 if (sqlParameter.ParameterName[0] == '@')
                 {
                     sqlParameter.ParameterName = ':' + sqlParameter.ParameterName.Substring(1, sqlParameter.ParameterName.Length - 1);
@@ -109,6 +127,10 @@ namespace SqlSugar
                 {
                     sqlParameter.ParameterName = sqlParameter.ParameterName.TrimStart(':');
                 }
+                if (parameter.IsRefCursor)
+                {
+                    sqlParameter.OracleDbType = OracleDbType.RefCursor;
+                }
                 if (sqlParameter.DbType == System.Data.DbType.Guid)
                 {
                     sqlParameter.DbType = System.Data.DbType.String;
@@ -117,16 +139,27 @@ namespace SqlSugar
                 else if (parameter.DbType == System.Data.DbType.Boolean)
                 {
                     sqlParameter.DbType = System.Data.DbType.Int16;
-                    sqlParameter.Value = (bool)parameter.Value ? 1 : 0;
+                    if (parameter.Value == DBNull.Value)
+                    {
+                        parameter.Value = 0;
+                    }
+                    else
+                    {
+                        sqlParameter.Value = (bool)parameter.Value ? 1 : 0;
+                    }
                 }
                 else
                 {
+                    if (parameter.Value != null && parameter.Value.GetType() == UtilConstants.GuidType)
+                    {
+                        parameter.Value = parameter.Value.ToString();
+                    }
                     sqlParameter.Value = parameter.Value;
                 }
                 if (parameter.Direction != 0)
                     sqlParameter.Direction = parameter.Direction;
                 result[index] = sqlParameter;
-                if (sqlParameter.Direction == ParameterDirection.Output)
+                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput,ParameterDirection.ReturnValue))
                 {
                     if (this.OutputParameters == null) this.OutputParameters = new List<IDataParameter>();
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Oracle/SqlBuilder/OracleBuilder.cs

@@ -23,6 +23,13 @@ namespace SqlSugar
                 return "sysdate";
             }
         }
+        public override string FullSqlDateNow
+        {
+            get
+            {
+                return "select sysdate from dual";
+            }
+        }
         public override string SqlTranslationLeft { get { return "\""; } }
         public override string SqlTranslationRight { get { return "\""; } }
         public override string GetTranslationTableName(string name)

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Oracle/SqlBuilder/OracleUpdateBuilder.cs

@@ -25,7 +25,7 @@ namespace SqlSugar
                     whereString += GetOracleUpdateColums(item);
                     whereList.Add(whereString);
                 }
-                return string.Format("{0} {1} WHERE {2};", updateTable, setValues, string.Join("AND",whereList));
+                return string.Format("{0} {1} WHERE {2};", updateTable, setValues, string.Join("",whereList));
             }).ToArray()));
             sb.AppendLine("End;");
             return sb.ToString();

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Oracle/Updateable/OracleUpdateable.cs

@@ -13,8 +13,15 @@ namespace SqlSugar
         }
         public override int ExecuteCommand()
         {
-            base.ExecuteCommand();
-            return base.UpdateObjs.Count();
+            if (base.UpdateObjs.Count() == 1)
+            {
+                return base.ExecuteCommand();
+            }
+            else
+            {
+                base.ExecuteCommand();
+                return base.UpdateObjs.Count();
+            }
         }
     }
 }

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/SqlSugar.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <Version>4.6.4.6</Version>
+    <Version>4.6.4.7</Version>
     <Copyright>sun_kai_xuan</Copyright>
     <PackageProjectUrl>https://github.com/sunkaixuan/SqlSugar</PackageProjectUrl>
     <PackageLicenseUrl></PackageLicenseUrl>
@@ -12,9 +12,9 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Data.Sqlite" Version="2.0.0" />
-    <PackageReference Include="Mono.Data.OracleClientCore" Version="1.0.0" />
     <PackageReference Include="MySql.Data" Version="6.10.4" />
     <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+    <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="2.12.0-beta2" />
     <PackageReference Include="System.Data.Common" Version="4.3.0" />
     <PackageReference Include="System.Data.SqlClient" Version="4.4.0" />
     <PackageReference Include="System.Reflection.Emit.Lightweight" Version="4.3.0" />

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/SqlSugarForCore.nuspec

@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>sqlSugarCore</id>
-    <version>4.6.4.6</version>
+    <version>4.6.4.7</version>
     <authors>sunkaixuan</authors>
     <owners>Landa</owners>
     <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0.html</licenseUrl>