TraceReaderWriter 类
The TraceReaderWriter class is an abstract Trace Objects class that is used in the construction of the TraceTable class and the TraceFile class.
继承层次结构
System.Object
Microsoft.SqlServer.Management.Trace.TraceReader
Microsoft.SqlServer.Management.Trace.TraceReaderWriter
Microsoft.SqlServer.Management.Trace.TraceFile
Microsoft.SqlServer.Management.Trace.TraceTable
命名空间: Microsoft.SqlServer.Management.Trace
程序集: Microsoft.SqlServer.ConnectionInfoExtended(在 Microsoft.SqlServer.ConnectionInfoExtended.dll 中)
语法
声明
<ComVisibleAttribute(False)> _
Public Class TraceReaderWriter _
Inherits TraceReader _
Implements ITraceDataWriter
用法
Dim instance As TraceReaderWriter
[ComVisibleAttribute(false)]
public class TraceReaderWriter : TraceReader,
ITraceDataWriter
[ComVisibleAttribute(false)]
public ref class TraceReaderWriter : public TraceReader,
ITraceDataWriter
[<ComVisibleAttribute(false)>]
type TraceReaderWriter =
class
inherit TraceReader
interface ITraceDataWriter
end
public class TraceReaderWriter extends TraceReader implements ITraceDataWriter
TraceReaderWriter 类型公开以下成员。
构造函数
名称 | 说明 | |
---|---|---|
TraceReaderWriter | Initializes a new instance of the TraceReaderWriter class. |
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属性
名称 | 说明 | |
---|---|---|
Depth | Gets the depth value for the trace reader. (从 TraceReader 继承。) | |
FieldCount | Gets the number of columns in the data. (从 TraceReader 继承。) | |
IsClosed | Gets the Boolean property value that specifies whether the trace reader is closed. (从 TraceReader 继承。) | |
Item[Int32] | Gets the column specified by the index position. (从 TraceReader 继承。) | |
Item[String] | Gets the column with the specified name. (从 TraceReader 继承。) | |
RecordsAffected | Gets the number of records of data. (从 TraceReader 继承。) |
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方法
名称 | 说明 | |
---|---|---|
Close | Closes the trace reader and writer. (覆盖 TraceReader.Close()。) | |
Dispose | Deletes the trace reader information. (从 TraceReader 继承。) | |
Equals | (从 Object 继承。) | |
Finalize | (从 Object 继承。) | |
GetBoolean | Returns a Boolean value from the record at the specified column position. (从 TraceReader 继承。) | |
GetByte | Returns a Byte value from the record at the specified column position. (从 TraceReader 继承。) | |
GetBytes | Gets a stream of bytes from the specified column offset into the buffer as an array, starting at the given buffer offset. (从 TraceReader 继承。) | |
GetChar | Gets a character value of the specified column. (从 TraceReader 继承。) | |
GetChars(Int32, array<Char[], Int32, Int32, Int32) | Gets a character array value from the record at the specified column position. (从 TraceReader 继承。) | |
GetChars(Int32, Int64, array<Char[], Int32, Int32) | Gets a character array value from the record at the specified column position. (从 TraceReader 继承。) | |
GetData | Returns IDataReader object used when the field points to a remote data structure. (从 TraceReader 继承。) | |
GetDataTypeName | Gets the data type of the data value at the specified column position. (从 TraceReader 继承。) | |
GetDateTime | Gets a DateTime value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetDecimal | Gets a Decimal value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetDouble | Gets a floating point value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetFieldType | Returns the field type of the data value at the specified column position. (从 TraceReader 继承。) | |
GetFloat | Gets a floating point value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetGuid | Gets a Guid system value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetHashCode | (从 Object 继承。) | |
GetInt16 | Gets a small integer value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetInt32 | Gets an integer value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetInt64 | Gets a long integer value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetName | Gets the name of the field at the specified column position. (从 TraceReader 继承。) | |
GetOrdinal | Gets the ordinal value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetSchemaTable | Gets a table that describes the schema. (从 TraceReader 继承。) | |
GetStream | Gets the stream of data. (从 TraceReader 继承。) | |
GetString | Gets a String value at the specified column position. (从 TraceReader 继承。) | |
GetTimeSpan | Gets a TimeSpan value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetType | (从 Object 继承。) | |
GetValue | Gets a value of the data value at the specified column position. (从 TraceReader 继承。) | |
GetValues | Gets an array of values from the data value at the specified column position. (从 TraceReader 继承。) | |
IsDBNull | Specifies whether the specified column is set to null. (从 TraceReader 继承。) | |
IsNull | Gets a Boolean value that specifies whether value of the data at the specified column position is null. (从 TraceReader 继承。) | |
MemberwiseClone | (从 Object 继承。) | |
NextResult | Moves to the next result in the trace. (从 TraceReader 继承。) | |
Read | Reads the trace record. (从 TraceReader 继承。) | |
ToString | (从 Object 继承。) | |
TranslateSubclass | Translates the sub class. (从 TraceReader 继承。) | |
Write | Writes the trace to the trace file or the trace table. |
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事件
名称 | 说明 | |
---|---|---|
WriteNotify | Raises an event when the trace is written to the trace file or trace table. |
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字段
名称 | 说明 | |
---|---|---|
currentRow | Specifies the current row. (从 TraceReader 继承。) |
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注释
The TraceReaderWriter class provides trace data writing functionality that is common to both the TraceTable class and the TraceFile class.
Thread Safety
此类型的任何公共静态(Microsoft Visual Basic 中的 Shared)成员在多线程操作中是安全的。但不保证所有实例成员都是线程安全的。
示例
线程安全
此类型的任何公共 static(在 Visual Basic 中为 Shared) 成员都是线程安全的。不保证所有实例成员都是线程安全的。
请参阅
参考
Microsoft.SqlServer.Management.Trace 命名空间