Api.JetAddColumn 方法

项目
06/13/2023

向现有表添加新列。

Namespace：Microsoft.Isam.Esent.Interop
装配： Microsoft.Isam.Esent.Interop.dll) 中的 Microsoft.Isam.Esent.Interop (

语法

'Declaration
Public Shared Sub JetAddColumn ( _
    sesid As JET_SESID, _
    tableid As JET_TABLEID, _
    column As String, _
    columndef As JET_COLUMNDEF, _
    defaultValue As Byte(), _
    defaultValueSize As Integer, _
    <OutAttribute> ByRef columnid As JET_COLUMNID _
)
'Usage
Dim sesid As JET_SESID
Dim tableid As JET_TABLEID
Dim column As String
Dim columndef As JET_COLUMNDEF
Dim defaultValue As Byte()
Dim defaultValueSize As Integer
Dim columnid As JET_COLUMNIDApi.JetAddColumn(sesid, tableid, _
    column, columndef, defaultValue, _
    defaultValueSize, columnid)

public static void JetAddColumn(
    JET_SESID sesid,
    JET_TABLEID tableid,
    string column,
    JET_COLUMNDEF columndef,
    byte[] defaultValue,
    int defaultValueSize,
    out JET_COLUMNID columnid
)