COLUMN_ENTRY_LENGTH

Article
12/18/2017

The latest version of this topic can be found at COLUMN_ENTRY_LENGTH.

Represents a binding on the rowset to the specific column in the database.

Syntax

  
COLUMN_ENTRY_LENGTH(  
nOrdinal  
,   
data  
,   
length  
 )

Parameters

See DBBINDING in the OLE DB Programmer's Reference.

nOrdinal
[in] The column number, starting with one. Bookmark corresponds to column zero.

data
[in] The corresponding data member in the user record.

length
[in] The variable to be bound to the column length.

Remarks

This macro supports the length variable. It is used in the following places:

Between the BEGIN_COLUMN_MAP and END_COLUMN_MAP macros.
Between the BEGIN_ACCESSOR and END_ACCESSOR macros.
Between the BEGIN_PARAM_MAP and END_PARAM_MAP macros.

Requirements

Header: atldbcli.h

See Also

Macros and Global Functions for OLE DB Consumer Templates
BEGIN_ACCESSOR
BEGIN_ACCESSOR_MAP
BEGIN_COLUMN_MAP
COLUMN_ENTRY
COLUMN_ENTRY_EX
COLUMN_ENTRY_PS
COLUMN_ENTRY_PS_LENGTH
COLUMN_ENTRY_LENGTH_STATUS
COLUMN_ENTRY_PS_LENGTH_STATUS
COLUMN_ENTRY_STATUS
COLUMN_ENTRY_PS_STATUS
END_ACCESSOR
END_ACCESSOR_MAP
END_COLUMN_MAP