- 增加所有国产数据库支持 CustomMySql、CustomPostgreSQL、CustomOracle、CustomSqlServer 自定义适配；

2025-11-04 17:20:49 +08:00 · 2022-09-09 01:38:24 +08:00
parent 3ec8e2118d
commit b7e96620a7
146 changed files with 50828 additions and 29 deletions
--- a/Providers/FreeSql.Provider.Custom/SqlServer/CustomSqlServerAdo/CustomSqlServerAdo.cs
+++ b/Providers/FreeSql.Provider.Custom/SqlServer/CustomSqlServerAdo/CustomSqlServerAdo.cs
@@ -0,0 +1,83 @@
+using FreeSql.Internal;
+using FreeSql.Internal.Model;
+using FreeSql.Internal.ObjectPool;
+using System;
+using System.Collections;
+using System.Data.Common;
+using System.Linq;
+using System.Text;
+using System.Threading;
+
+namespace FreeSql.Custom.SqlServer
+{
+    class CustomSqlServerAdo : FreeSql.Internal.CommonProvider.AdoProvider
+    {
+        DbProviderFactory Factory => FreeSqlCustomAdapterGlobalExtensions.GetDbProviderFactory(_util._orm);
+
+        public CustomSqlServerAdo() : base(DataType.OdbcSqlServer, null, null) { }
+        public CustomSqlServerAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcSqlServer, masterConnectionString, slaveConnectionStrings)
+        {
+            base._util = util;
+            if (connectionFactory != null)
+            {
+                var pool = new FreeSql.Internal.CommonProvider.DbConnectionPool(DataType.SqlServer, connectionFactory);
+                MasterPool = pool;
+                return;
+            }
+            throw new Exception(CoreStrings.S_CustomAdapter_OnlySuppport_UseConnectionFactory);
+        }
+
+        string[] ncharDbTypes = new[] { "NVARCHAR", "NCHAR", "NTEXT" };
+        public override object AddslashesProcessParam(object param, Type mapType, ColumnInfo mapColumn)
+        {
+            if (param == null) return "NULL";
+            if (mapType != null && mapType != param.GetType() && (param is IEnumerable == false))
+                param = Utils.GetDataReaderValue(mapType, param);
+
+            if (param is bool || param is bool?)
+                return (bool)param ? 1 : 0;
+            else if (param is string)
+            {
+                if (mapColumn != null && mapColumn.CsType.NullableTypeOrThis() == typeof(string) && ncharDbTypes.Any(a => mapColumn.Attribute.DbType.Contains(a)) == false)
+                    return string.Concat("'", param.ToString().Replace("'", "''"), "'");
+                return string.Concat("N'", param.ToString().Replace("'", "''"), "'");
+            }
+            else if (param is char)
+                return string.Concat("'", param.ToString().Replace("'", "''").Replace('\0', ' '), "'");
+            else if (param is Enum)
+                return ((Enum)param).ToInt64();
+            else if (decimal.TryParse(string.Concat(param), out var trydec))
+                return param;
+            else if (param is DateTime || param is DateTime?)
+            {
+                if (param.Equals(DateTime.MinValue) == true) param = new DateTime(1970, 1, 1);
+                return string.Concat("'", ((DateTime)param).ToString("yyyy-MM-dd HH:mm:ss.fff"), "'");
+            }
+            else if (param is DateTimeOffset || param is DateTimeOffset?)
+            {
+                if (param.Equals(DateTimeOffset.MinValue) == true) param = new DateTimeOffset(new DateTime(1970, 1, 1), TimeSpan.Zero);
+                return string.Concat("'", ((DateTimeOffset)param).ToString("yyyy-MM-dd HH:mm:ss.fff zzzz"), "'");
+            }
+            else if (param is TimeSpan || param is TimeSpan?)
+                return ((TimeSpan)param).TotalSeconds;
+            else if (param is byte[])
+                return $"0x{CommonUtils.BytesSqlRaw(param as byte[])}";
+            else if (param is IEnumerable) 
+                return AddslashesIEnumerable(param, mapType, mapColumn);
+
+            return string.Concat("'", param.ToString().Replace("'", "''"), "'");
+        }
+
+        public override DbCommand CreateCommand()
+        {
+            return Factory.CreateCommand();
+        }
+
+        public override void ReturnConnection(IObjectPool<DbConnection> pool, Object<DbConnection> conn, Exception ex)
+        {
+            pool.Return(conn);
+        }
+
+        public override DbParameter[] GetDbParamtersByObject(string sql, object obj) => _util.GetDbParamtersByObject(sql, obj);
+    }
+}