添加ClickHouse数据库支持

Providers/FreeSql.Provider.ClickHouse/Curd/ClickHouseDelete.cs

@@ -0,0 +1,35 @@
+using FreeSql.Internal;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace FreeSql.ClickHouse.Curd
+{
+
+    class ClickHouseDelete<T1> : Internal.CommonProvider.DeleteProvider<T1>
+    {
+        public ClickHouseDelete(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
+            : base(orm, commonUtils, commonExpression, dywhere)
+        {
+        }
+
+        public override List<T1> ExecuteDeleted()
+        {
+            throw new NotImplementedException("FreeSql.ClickHouse.Curd 暂未实现");
+        }
+        public override string ToSql()
+        {
+            return base.ToSql().Replace("DELETE FROM", "ALTER TABLE").Replace("WHERE", "DELETE WHERE");
+        }
+#if net40
+#else
+        public override Task<List<T1>> ExecuteDeletedAsync(CancellationToken cancellationToken = default)
+        {
+            throw new NotImplementedException("FreeSql.ClickHouse.Curd 暂未实现");
+        }
+#endif
+    }
+}