Server2003Api.JetUpdate2 method
The JetUpdate function performs an update operation including inserting a new row into a table or updating an existing row. Deleting a table row is performed by calling JetDelete(JET_SESID, JET_TABLEID).
Namespace: Microsoft.Isam.Esent.Interop.Server2003
Assembly: Microsoft.Isam.Esent.Interop (in Microsoft.Isam.Esent.Interop.dll)
Syntax
'Declaration
Public Shared Sub JetUpdate2 ( _
sesid As JET_SESID, _
tableid As JET_TABLEID, _
bookmark As Byte(), _
bookmarkSize As Integer, _
<OutAttribute> ByRef actualBookmarkSize As Integer, _
grbit As UpdateGrbit _
)
'Usage
Dim sesid As JET_SESID
Dim tableid As JET_TABLEID
Dim bookmark As Byte()
Dim bookmarkSize As Integer
Dim actualBookmarkSize As Integer
Dim grbit As UpdateGrbitServer2003Api.JetUpdate2(sesid, tableid, bookmark, _
bookmarkSize, actualBookmarkSize, _
grbit)
public static void JetUpdate2(
JET_SESID sesid,
JET_TABLEID tableid,
byte[] bookmark,
int bookmarkSize,
out int actualBookmarkSize,
UpdateGrbit grbit
)
Parameters
sesid
Type: Microsoft.Isam.Esent.Interop.JET_SESIDThe session which started the update.
tableid
Type: Microsoft.Isam.Esent.Interop.JET_TABLEIDThe cursor to update. An update should be prepared.
bookmark
Type: []Returns the bookmark of the updated record. This can be null.
bookmarkSize
Type: System.Int32The size of the bookmark buffer.
actualBookmarkSize
Type: System.Int32Returns the actual size of the bookmark.
grbit
Type: Microsoft.Isam.Esent.Interop.Server2003.UpdateGrbitUpdate options.
Remarks
JetUpdate is the final step in performing an insert or an update. The update is begun by calling JetPrepareUpdate(JET_SESID, JET_TABLEID, JET_prep) and then by calling JetSetColumn(JET_SESID, JET_TABLEID, JET_COLUMNID, [], Int32, SetColumnGrbit, JET_SETINFO) one or more times to set the record state. Finally, JetUpdate2(JET_SESID, JET_TABLEID, [], Int32, Int32, UpdateGrbit) is called to complete the update operation. Indexes are updated only by JetUpdate or and not during JetSetColumn.
See also
Reference
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