Feature: Writing Execute Results to Temp File (#35)

* WIP for buffering in temporary file

* Adding support for writing to disk for buffering

* WIP - Adding file reader, factory for reader/writer

* Making long list use generics and implement IEnumerable

* Reading/Writing from file is working

* Removing unused 'skipValue' logic

* More tweaks to file buffer

Adding logic for cleaning up the temp files
Adding fix for empty/null column names

* Adding comments and cleanup

* Unit tests for FileStreamWrapper

* WIP adding more unit tests, and finishing up wiring up the output writers

* Finishing up initial unit tests

* Fixing bugs with long fields

* Squashed commit of the following:

commit df0ffc12a46cb286d801d08689964eac08ad71dd
Author: Benjamin Russell <beruss@microsoft.com>
Date:   Wed Sep 7 14:45:39 2016 -0700

    Removing last bit of async for file writing.

    We're seeing a 8x improvement of file write speeds!

commit 08a4b9f32e825512ca24d5dc03ef5acbf7cc6d94
Author: Benjamin Russell <beruss@microsoft.com>
Date:   Wed Sep 7 11:23:06 2016 -0700

    Removing async wrappers

* Rolling back test code for Program.cs

* Changes as per code review

* Fixing broken unit tests

* More fixes for codereview
This commit is contained in:
Benjamin Russell
2016-09-08 17:55:11 -07:00
committed by GitHub
parent 903eab61d1
commit 8aa3d524fc
24 changed files with 4050 additions and 195 deletions

View File

@@ -0,0 +1,35 @@
//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
using System;
using System.Data.SqlTypes;
namespace Microsoft.SqlTools.ServiceLayer.QueryExecution.DataStorage
{
/// <summary>
/// Interface for a object that writes to a filesystem wrapper
/// </summary>
public interface IFileStreamWriter : IDisposable
{
int WriteRow(StorageDataReader dataReader);
int WriteNull();
int WriteInt16(short val);
int WriteInt32(int val);
int WriteInt64(long val);
int WriteByte(byte val);
int WriteChar(char val);
int WriteBoolean(bool val);
int WriteSingle(float val);
int WriteDouble(double val);
int WriteDecimal(decimal val);
int WriteSqlDecimal(SqlDecimal val);
int WriteDateTime(DateTime val);
int WriteDateTimeOffset(DateTimeOffset dtoVal);
int WriteTimeSpan(TimeSpan val);
int WriteString(string val);
int WriteBytes(byte[] bytes, int length);
void FlushBuffer();
}
}