JetDeleteColumn Function

Applies to: Windows | Windows Server

The JetDeleteColumn function deletes a column from an ESE database table.

JET_ERR JET_API JetDeleteColumn(
  __in          JET_SESID sesid,
  __in          JET_TABLEID tableid,
  __in          const tchar* szColumnName
);

sesid

The database session context to use for the API call.

tableid

The table from which to delete the column.

szColumnName

The name of the column to be deleted.

This function returns the JET_ERR datatype with one of the following return codes. For more information about the possible ESE errors, see Extensible Storage Engine Errors and Error Handling Parameters.

Return code	Description
JET_errSuccess	The operation completed successfully.
JET_errColumnInUse	The column is currently in use. It may be currently used by an index.
JET_errFixedDDL	An attempt was made to modify the fixed DDL.
JET_errFixedInheritedDDL	The column named in szColumnName exists in the template table, and the DDL of a template table cannot be modified.
JET_errInvalidName	This may be returned if a bad name for szColumnName was given.
JET_errPermissionDenied	The table is not writable. This may get returned if the database was opened in read-only mode.
JET_errTransReadOnly	The transaction is a read-only transaction.

Calling JetDeleteColumn is identical to calling JetDeleteColumn2 with grbit set to zero (0).

Requirement	Value
Client	Requires Windows Vista, Windows XP, or Windows 2000 Professional.
Server	Requires Windows Server 2008, Windows Server 2003, or Windows 2000 Server.
Header	Declared in Esent.h.
Library	Use ESENT.lib.
DLL	Requires ESENT.dll.
Unicode	Implemented as JetDeleteColumnW (Unicode) and JetDeleteColumnA (ANSI).

Tilbakemeldinger