Update Core

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

@@ -26,7 +26,10 @@ namespace SqlSugar
             {
                 try
                 {
-                    dic.Add(reader.GetName(i), reader.GetValue(i));
+                    var addItem = reader.GetValue(i);
+                    if (addItem == DBNull.Value)
+                        addItem = null;
+                    dic.Add(reader.GetName(i), addItem);
                 }
                 catch
                 {
@@ -66,7 +69,10 @@ namespace SqlSugar
             {
                 try
                 {
-                    result.Add(reader.GetName(i), reader.GetValue(i));
+                    var addItem = reader.GetValue(i);
+                    if (addItem == DBNull.Value)
+                        addItem = null;
+                    result.Add(reader.GetName(i), addItem);
                 }
                 catch
                 {
@@ -166,7 +172,10 @@ namespace SqlSugar
                     var key = typeName + "." + name;
                     if (readerValues.ContainsKey(key))
                     {
-                        result.Add(name, readerValues[key]);
+                        var addItem = readerValues[key];
+                        if (addItem == DBNull.Value)
+                            addItem = null;
+                        result.Add(name, addItem);
                     }
                 }
             }
@@ -192,12 +201,8 @@ namespace SqlSugar
         /// <returns></returns>
         public T DeserializeObject<T>(string value)
         {
-            if (value.IsValuable())
-            {
-                value = value.Replace(":{}", ":null");
-            }
             var jSetting = new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore };
-            return JsonConvert.DeserializeObject<T>(value,jSetting);
+            return JsonConvert.DeserializeObject<T>(value, jSetting);
         }
         #endregion
 
@@ -229,7 +234,10 @@ namespace SqlSugar
                 childRow = new Dictionary<string, object>();
                 foreach (DataColumn col in table.Columns)
                 {
-                    childRow.Add(col.ColumnName, row[col]);
+                    var addItem = row[col];
+                    if (addItem == DBNull.Value)
+                        addItem = null;
+                    childRow.Add(col.ColumnName, addItem);
                 }
                 deserializeObject.Add(childRow);
             }

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

@@ -1,10 +1,46 @@
-namespace SqlSugar
+using System;
+using System.Text.RegularExpressions;
+using System.Linq;
+namespace SqlSugar
 {
     public interface IDataAdapter
     {
         void Fill(DataSet ds);
     }
+    public partial class SqliteProvider : AdoProvider
+    {
+        public override void ExecuteBefore(string sql, SugarParameter[] parameters)
+        {
+            if (sql.IsValuable() && parameters.IsValuable())
+            {
+                foreach (var parameter in parameters)
+                {
+                    //Compatible with.NET CORE parameters case
+                    var name = parameter.ParameterName;
+                    if (!sql.Contains(name) && Regex.IsMatch(sql, "(" + name + "$)" + "|(" + name + @"[ ,\,])", RegexOptions.IgnoreCase))
+                    {
+                        parameter.ParameterName = Regex.Match(sql, "(" + name + "$)" + "|(" + name + @"[ ,\,])", RegexOptions.IgnoreCase).Value;
+                    }
+                }
+            }
+            if (this.IsEnableLogEvent)
+            {
+                Action<string, string> action = LogEventStarting;
+                if (action != null)
+                {
+                    if (parameters == null || parameters.Length == 0)
+                    {
+                        action(sql, null);
+                    }
+                    else
+                    {
+                        action(sql, this.Context.RewritableMethods.SerializeObject(parameters.Select(it => new { key = it.ParameterName, value = it.Value.ObjToString() })));
+                    }
+                }
+            }
+        }
+    }
 }
 namespace System.Data.Sqlite {
 
-}
+}

Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs

@@ -176,27 +176,32 @@ namespace SqlSugar
 
                     }, (cm, key) =>
                     {
-                        string sql = "select * from " + tableName + " limit 0,1";
+                        string sql = "PRAGMA table_info(" + tableName + ")";
                         var oldIsEnableLog = this.Context.Ado.IsEnableLogEvent;
                         this.Context.Ado.IsEnableLogEvent = false;
-                        using (DbDataReader reader = (SqliteDataReader)this.Context.Ado.GetDataReader(sql))
+                        using (DbDataReader dataReader = (SqliteDataReader)this.Context.Ado.GetDataReader(sql))
                         {
-                            this.Context.Ado.IsEnableLogEvent = oldIsEnableLog;
                             List<DbColumnInfo> result = new List<DbColumnInfo>();
-                            var schemaTable = reader.GetSchemaTable();
+                            while (dataReader.Read())
-                            foreach (DataRow row in schemaTable.Rows)
                             {
+                                var type = dataReader.GetValue(2).ObjToString();
+                                var length = 0;
+                                if (type.Contains("("))
+                                {
+                                    type = type.Split('(').First();
+                                    length = type.Split('(').Last().TrimEnd(')').ObjToInt();
+                                }
                                 DbColumnInfo column = new DbColumnInfo()
                                 {
                                     TableName = tableName,
-                                    DataType = row["DataTypeName"].ToString().Trim(),
+                                    DataType = type,
-                                    IsNullable = (bool)row["AllowDBNull"],
+                                    IsNullable = !dataReader.GetBoolean(3),
-                                    IsIdentity = (bool)row["IsAutoIncrement"],
+                                    IsIdentity = dataReader.GetBoolean(3) && dataReader.GetBoolean(5).ObjToBool() && (type.IsIn("integer", "int", "int32", "int64", "long")),
                                     ColumnDescription = null,
-                                    DbColumnName = row["ColumnName"].ToString(),
+                                    DbColumnName = dataReader.GetString(1),
-                                    DefaultValue = row["defaultValue"].ToString(),
+                                    DefaultValue = dataReader.GetValue(4).ObjToString(),
-                                    IsPrimarykey = (bool)row["IsKey"],
+                                    IsPrimarykey = dataReader.GetBoolean(5).ObjToBool(),
-                                    Length = Convert.ToInt32(row["ColumnSize"])
+                                    Length = length
                                 };
                                 result.Add(column);
                             }

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

@@ -8,6 +8,6 @@ namespace OrmTest
 {
     public class Config
     {
-        public static string ConnectionString = @"DataSource=D:\MyGit\SqlSugar\Src\Asp.NetCore2\SqlSeverTest\SqliteTest\DataBase\SqlSugar4xTest.sqlite";
+        public static string ConnectionString = @"DataSource=F:\MyOpenSource\SqlSugar4.XNew\SqlSugar\Src\Asp.NetCore2\SqlSeverTest\SqliteTest\DataBase\SqlSugar4xTest.sqlite";
     }
 }