Api.JetAddColumn method

Add a new column to an existing table.

Namespace:  Microsoft.Isam.Esent.Interop
Assembly:  Microsoft.Isam.Esent.Interop (in Microsoft.Isam.Esent.Interop.dll)

Syntax

'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
)

Parameters

• sesid
  Type: Microsoft.Isam.Esent.Interop.JET_SESID

  The session to use.

• tableid
  Type: Microsoft.Isam.Esent.Interop.JET_TABLEID

  The table to add the column to.

• column
  Type: System.String

  The name of the column.

• columndef
  Type: Microsoft.Isam.Esent.Interop.JET_COLUMNDEF

  The definition of the column.

• defaultValue
  Type: []

  The default value of the column.

• defaultValueSize
  Type: System.Int32

  The size of the default value.

• columnid
  Type: Microsoft.Isam.Esent.Interop.JET_COLUMNID

  Returns the columnid of the new column.

See also

Reference

Api class

Api members

Microsoft.Isam.Esent.Interop namespace