Class ServiceBufferFileStreamReader

Reader for service buffer formatted file streams

Inheritance
System.Object
ServiceBufferFileStreamReader
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace:Microsoft.SqlTools.ServiceLayer.QueryExecution.DataStorage
Assembly:Microsoft.SqlTools.ServiceLayer.dll
Syntax
public class ServiceBufferFileStreamReader : IFileStreamReader, IDisposable

Constructors

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ServiceBufferFileStreamReader(Stream)

Constructs a new ServiceBufferFileStreamReader and initializes its state

Declaration
public ServiceBufferFileStreamReader(Stream stream)
Parameters
Type Name Description
System.IO.Stream stream

The filestream to read from

Methods

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Dispose()

Declaration
public void Dispose()
Implements
System.IDisposable.Dispose()
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Dispose(Boolean)

Declaration
protected virtual void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing
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Finalize()

Declaration
protected void Finalize()
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ReadBoolean(Int64)

Reads a bool from the file at the offset provided

Declaration
public FileStreamReadResult ReadBoolean(long fileOffset)
Parameters
Type Name Description
System.Int64 fileOffset

Offset into the file to read the bool from
Returns
Type Description
FileStreamReadResult

A bool
Implements
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ReadByte(Int64)

Reads a byte from the file at the offset provided

Declaration
public FileStreamReadResult ReadByte(long fileOffset)
Parameters
Type Name Description
System.Int64 fileOffset

Offset into the file to read the byte from
Returns
Type Description
FileStreamReadResult

A byte
Implements
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ReadBytes(Int64)

Reads bytes from the file at the offset provided

Declaration
public FileStreamReadResult ReadBytes(long offset)
Parameters
Type Name Description
System.Int64 offset

Offset into the file to read the bytes from
Returns
Type Description
FileStreamReadResult

A byte array
Implements
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ReadChar(Int64)

Reads a char from the file at the offset provided

Declaration
public FileStreamReadResult ReadChar(long fileOffset)
Parameters
Type Name Description
System.Int64 fileOffset

Offset into the file to read the char from
Returns
Type Description
FileStreamReadResult

A char
Implements
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ReadDateTime(Int64)

Reads a DateTime from the file at the offset provided

Declaration
public FileStreamReadResult ReadDateTime(long offset)
Parameters
Type Name Description
System.Int64 offset

Offset into the file to read the DateTime from
Returns
Type Description
FileStreamReadResult

A DateTime
Implements
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ReadDateTimeOffset(Int64)

Reads a DateTimeOffset from the file at the offset provided

Declaration
public FileStreamReadResult ReadDateTimeOffset(long offset)
Parameters
Type Name Description
System.Int64 offset

Offset into the file to read the DateTimeOffset from
Returns
Type Description
FileStreamReadResult

A DateTimeOffset
Implements
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ReadDecimal(Int64)

Reads a decimal from the file at the offset provided

Declaration
public FileStreamReadResult ReadDecimal(long offset)
Parameters
Type Name Description
System.Int64 offset

Offset into the file to read the decimal from
Returns
Type Description
FileStreamReadResult

A decimal
Implements
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ReadDouble(Int64)

Reads a double from the file at the offset provided

Declaration
public FileStreamReadResult ReadDouble(long fileOffset)
Parameters
Type Name Description
System.Int64 fileOffset

Offset into the file to read the double from
Returns
Type Description
FileStreamReadResult

A double
Implements
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ReadGuid(Int64)

Reads the bytes that make up a GUID at the offset provided

Declaration
public FileStreamReadResult ReadGuid(long offset)
Parameters
Type Name Description
System.Int64 offset

Offset into the file to read the bytes from
Returns
Type Description
FileStreamReadResult

A guid type object
Implements
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ReadInt16(Int64)

Reads a short from the file at the offset provided

Declaration
public FileStreamReadResult ReadInt16(long fileOffset)
Parameters
Type Name Description
System.Int64 fileOffset

Offset into the file to read the short from
Returns
Type Description
FileStreamReadResult

A short
Implements
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ReadInt32(Int64)

Reads a int from the file at the offset provided

Declaration
public FileStreamReadResult ReadInt32(long fileOffset)
Parameters
Type Name Description
System.Int64 fileOffset

Offset into the file to read the int from
Returns
Type Description
FileStreamReadResult

An int
Implements
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ReadInt64(Int64)

Reads a long from the file at the offset provided

Declaration
public FileStreamReadResult ReadInt64(long fileOffset)
Parameters
Type Name Description
System.Int64 fileOffset

Offset into the file to read the long from
Returns
Type Description
FileStreamReadResult

A long
Implements
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ReadMoney(Int64)

Reads a SqlMoney type from the offset provided into a

Declaration
public FileStreamReadResult ReadMoney(long offset)
Parameters
Type Name Description
System.Int64 offset
Returns
Type Description
FileStreamReadResult

A sql money type object
Implements
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ReadRow(Int64, IEnumerable<DbColumnWrapper>)

Reads a row from the file, based on the columns provided

Declaration
public IList<DbCellValue> ReadRow(long fileOffset, IEnumerable<DbColumnWrapper> columns)
Parameters
Type Name Description
System.Int64 fileOffset

Offset into the file where the row starts
System.Collections.Generic.IEnumerable<DbColumnWrapper> columns

The columns that were encoded
Returns
Type Description
System.Collections.Generic.IList<DbCellValue>

The objects from the row, ready for output to the client
Implements
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ReadSingle(Int64)

Reads a single from the file at the offset provided

Declaration
public FileStreamReadResult ReadSingle(long fileOffset)
Parameters
Type Name Description
System.Int64 fileOffset

Offset into the file to read the single from
Returns
Type Description
FileStreamReadResult

A single
Implements
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ReadSqlDecimal(Int64)

Reads a SqlDecimal from the file at the offset provided

Declaration
public FileStreamReadResult ReadSqlDecimal(long offset)
Parameters
Type Name Description
System.Int64 offset

Offset into the file to read the SqlDecimal from
Returns
Type Description
FileStreamReadResult

A SqlDecimal
Implements
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ReadString(Int64)

Reads a string from the file at the offset provided

Declaration
public FileStreamReadResult ReadString(long offset)
Parameters
Type Name Description
System.Int64 offset

Offset into the file to read the string from
Returns
Type Description
FileStreamReadResult

A string
Implements
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ReadTimeSpan(Int64)

Reads a TimeSpan from the file at the offset provided

Declaration
public FileStreamReadResult ReadTimeSpan(long offset)
Parameters
Type Name Description
System.Int64 offset

Offset into the file to read the TimeSpan from
Returns
Type Description
FileStreamReadResult

A TimeSpan
Implements