support copy result in STS (#2096)

* use new sql parser

* copy results to clipboard

* fix parameter name

src/Microsoft.SqlTools.ServiceLayer/QueryExecution/Contracts/CopyResultsRequest.cs

@@ -0,0 +1,56 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+#nullable disable
+
+using Microsoft.SqlTools.Hosting.Protocol.Contracts;
+
+namespace Microsoft.SqlTools.ServiceLayer.QueryExecution.Contracts
+{
+    public class TableSelectionRange
+    {
+        public int FromRow { get; set; }
+        public int ToRow { get; set; }
+        public int FromColumn { get; set; }
+        public int ToColumn { get; set; }
+    }
+
+    /// <summary>
+    /// Parameters for the copy results request
+    /// </summary>
+    public class CopyResultsRequestParams : SubsetParams
+    {
+        /// <summary>
+        /// Whether to remove the line break from cell values.
+        /// </summary>
+        public bool RemoveNewLines { get; set; }
+
+        /// <summary>
+        /// Whether to include the column headers.
+        /// </summary>
+        public bool IncludeHeaders { get; set; }
+
+        /// <summary>
+        /// The selections.
+        /// </summary>
+        public TableSelectionRange[] Selections { get; set; }
+    }
+
+    /// <summary>
+    /// Result for the copy results request
+    /// </summary>
+    public class CopyResultsRequestResult
+    {
+    }
+
+    /// <summary>
+    /// Copy Results Request
+    /// </summary>
+    public class CopyResultsRequest
+    {
+        public static readonly RequestType<CopyResultsRequestParams, CopyResultsRequestResult> Type =
+            RequestType<CopyResultsRequestParams, CopyResultsRequestResult>.Create("query/copy");
+    }
+}