- 增加 FreeSql.Provider.Sqlite 对 Xamarin 环境下的适配；

FreeSql/FreeSql.xml

@@ -1996,6 +1996,137 @@
             <param name="parms"></param>
             <returns></returns>
         </member>
+        <member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{System.Data.Common.DbDataReader,System.Threading.Tasks.Task},System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询，若使用读写分离，查询【从库】条件cmdText.StartsWith("SELECT ")，否则查询【主库】
+            </summary>
+            <param name="readerHander"></param>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{System.Data.Common.DbDataReader,System.Threading.Tasks.Task},System.String,System.Object)">
+            <summary>
+            查询，ExecuteReaderAsync(dr => {}, "select * from user where age > @age", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.String,System.Object)">
+            <summary>
+            查询，ExecuteArrayAsync("select * from user where age > @age", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.String,System.Object)">
+            <summary>
+            查询，ExecuteDataSetAsync("select * from user where age > @age; select 2", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            查询
+            </summary>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.String,System.Object)">
+            <summary>
+            查询，ExecuteDataTableAsync("select * from user where age > @age", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            在【主库】执行
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.String,System.Object)">
+            <summary>
+            在【主库】执行，ExecuteNonQueryAsync("delete from user where age > @age", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            在【主库】执行
+            </summary>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+        </member>
+        <member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.String,System.Object)">
+            <summary>
+            在【主库】执行，ExecuteScalarAsync("select 1 from user where age > @age", new { age = 25 })
+            </summary>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``1(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new SqlParameter { ParameterName = "age", Value = 25 })
+            </summary>
+            <typeparam name="T"></typeparam>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``1(System.String,System.Object)">
+            <summary>
+            执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new { age = 25 })
+            </summary>
+            <typeparam name="T"></typeparam>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``2(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
+            <summary>
+            执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > @age; select * from address", new SqlParameter { ParameterName = "age", Value = 25 })
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="cmdType"></param>
+            <param name="cmdText"></param>
+            <param name="cmdParms"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.IAdo.QueryAsync``2(System.String,System.Object)">
+            <summary>
+            执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > @age; select * from address", new { age = 25 })
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="cmdText"></param>
+            <param name="parms"></param>
+            <returns></returns>
+        </member>
         <member name="P:FreeSql.IAop.ParseExpression">
             <summary>
             可自定义解析表达式

Providers/FreeSql.Provider.Sqlite/MonoAdapter.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Collections.Generic;
+using System.Data.Common;
+using System.Reflection;
+using System.Text;
+
+namespace FreeSql.Sqlite
+{
+    internal class MonoAdapter
+    {
+
+        static bool? _isMono;
+        static object _isMonoLock = new object();
+        static Assembly _monoAssemly;
+        static Type _monoSqliteConnectionType;
+        static Type _monoSqliteCommandType;
+        static Type _monoSqliteParameterType;
+        static Type _monoSqliteExceptionType;
+
+        static bool IsMono
+        {
+            get
+            {
+                if (_isMono != null) return _isMono == true;
+                lock (_isMonoLock)
+                {
+                    Assembly ass = null;
+                    try
+                    {
+                        ass = Assembly.Load("Mono.Data.Sqlite");
+                    }
+                    catch { }
+                    _isMono = ass != null;
+                    if (_isMono == false) return false;
+
+                    _monoAssemly = ass;
+                    _monoSqliteConnectionType = _monoAssemly.GetType("Mono.Data.Sqlite.SqliteConnection");
+                    _monoSqliteCommandType = _monoAssemly.GetType("Mono.Data.Sqlite.SqliteCommand");
+                    _monoSqliteParameterType = _monoAssemly.GetType("Mono.Data.Sqlite.SqliteParameter");
+                    _monoSqliteExceptionType = _monoAssemly.GetType("Mono.Data.Sqlite.SqliteException");
+                }
+                return true;
+            }
+        }
+
+        public static DbConnection GetSqliteConnection(string connectionString)
+        {
+            if (IsMono == false) return new System.Data.SQLite.SQLiteConnection(connectionString);
+            return Activator.CreateInstance(_monoSqliteConnectionType, new object[] { connectionString }) as DbConnection;
+        }
+
+        public static DbCommand GetSqliteCommand()
+        {
+            if (IsMono == false) return new System.Data.SQLite.SQLiteCommand();
+            return Activator.CreateInstance(_monoSqliteCommandType, new object[0]) as DbCommand;
+        }
+
+        public static DbParameter GetSqliteParameter()
+        {
+            if (IsMono == false) return new System.Data.SQLite.SQLiteParameter();
+            return Activator.CreateInstance(_monoSqliteParameterType, new object[0]) as DbParameter;
+        }
+
+        public static bool IsSqliteException(Exception exception)
+        {
+            if (exception == null) return false;
+            if (IsMono == false) return exception is System.Data.SQLite.SQLiteException;
+            return exception.GetType() == _monoSqliteExceptionType;
+        }
+
+    }
+}

Providers/FreeSql.Provider.Sqlite/SqliteAdo/SqliteAdo.cs

@@ -3,7 +3,6 @@ using SafeObjectPool;
 using System;
 using System.Collections;
 using System.Data.Common;
-using System.Data.SQLite;
 using System.Text;
 using System.Threading;
 
@@ -56,7 +55,7 @@ namespace FreeSql.Sqlite
 
         protected override DbCommand CreateCommand()
         {
-            return new SQLiteCommand();
+            return MonoAdapter.GetSqliteCommand();
         }
 
         protected override void ReturnConnection(ObjectPool<DbConnection> pool, Object<DbConnection> conn, Exception ex)

Providers/FreeSql.Provider.Sqlite/SqliteAdo/SqliteConnectionPool.cs

@@ -4,7 +4,6 @@ using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Data;
 using System.Data.Common;
-using System.Data.SQLite;
 using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
@@ -35,7 +34,7 @@ namespace FreeSql.Sqlite
 
         public void Return(Object<DbConnection> obj, Exception exception, bool isRecreate = false)
         {
-            if (exception != null && exception is SQLiteException)
+            if (exception != null && MonoAdapter.IsSqliteException(exception))
             {
                 try { if (obj.Value.Ping() == false) obj.Value.OpenAndAttach(policy.Attaches); } catch { base.SetUnavailable(exception); }
             }
@@ -112,7 +111,7 @@ namespace FreeSql.Sqlite
 
         public DbConnection OnCreate()
         {
-            var conn = new SQLiteConnection(_connectionString);
+            var conn = MonoAdapter.GetSqliteConnection(_connectionString);
             return conn;
         }
 

Providers/FreeSql.Provider.Sqlite/SqliteUtils.cs

@@ -4,7 +4,6 @@ using System;
 using System.Collections.Generic;
 using System.Data;
 using System.Data.Common;
-using System.Data.SQLite;
 using System.Linq.Expressions;
 using System.Text;
 
@@ -34,13 +33,16 @@ namespace FreeSql.Sqlite
                     dbtype = DbType.Int64;
                     break;
             }
-            var ret = new SQLiteParameter { ParameterName = QuoteParamterName(parameterName), DbType = dbtype, Value = value };
+            var ret = MonoAdapter.GetSqliteParameter();
+            ret.ParameterName = QuoteParamterName(parameterName);
+            ret.DbType = dbtype;
+            ret.Value = value;
             _params?.Add(ret);
             return ret;
         }
 
         public override DbParameter[] GetDbParamtersByObject(string sql, object obj) =>
-            Utils.GetDbParamtersByObject<SQLiteParameter>(sql, obj, "@", (name, type, value) =>
+            Utils.GetDbParamtersByObject<DbParameter>(sql, obj, "@", (name, type, value) =>
             {
                 var dbtype = (DbType)_orm.CodeFirst.GetDbInfo(type)?.type;
                 switch (dbtype)
@@ -56,7 +58,10 @@ namespace FreeSql.Sqlite
                         dbtype = DbType.Int64;
                         break;
                 }
-                var ret = new SQLiteParameter { ParameterName = $"@{name}", DbType = dbtype, Value = value };
+                var ret = MonoAdapter.GetSqliteParameter();
+                ret.ParameterName = $"@{name}";
+                ret.DbType = dbtype;
+                ret.Value = value;
                 return ret;
             });