| title | COLUMN_NAME_EX | Microsoft Docs | |||||||||||||
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| ms.date | 11/04/2016 | |||||||||||||
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| ms.topic | article | |||||||||||||
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| ms.assetid | 4f916a85-f6ae-464a-9cbe-0a56dbb274a6 | |||||||||||||
| caps.latest.revision | 7 | |||||||||||||
| author | mikeblome | |||||||||||||
| ms.author | mblome | |||||||||||||
| manager | ghogen | |||||||||||||
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Represents a binding on the rowset to the specific column in the rowset. Similar to COLUMN_NAME, except that this macro also takes data type, size, precision, scale, column length, and column status.
COLUMN_NAME_EX(
pszName
,
wType
,
nLength
,
nPrecision
,
nScale
,
data
,
length
,
status )
pszName
[in] A pointer to the column name. The name must be a Unicode string. You can accomplish this by putting an 'L' in front of the name, for example: L"MyColumn".
wType
[in] The data type.
nLength
[in] The data size in bytes.
nPrecision
[in] The maximum precision to use when getting data and wType is DBTYPE_NUMERIC. Otherwise, this parameter is ignored.
nScale
[in] The scale to use when getting data and wType is DBTYPE_NUMERIC or DBTYPE_DECIMAL.
data
[in] The corresponding data member in the user record.
length
[in] The variable to be bound to the column length.
status
[in] The variable to be bound to the column status.
See COLUMN_NAME for information on where the COLUMN_NAME_* macros are used.
Header: atldbcli.h
Macros and Global Functions for OLE DB Consumer Templates
BEGIN_ACCESSOR
BEGIN_ACCESSOR_MAP
BEGIN_COLUMN_MAP
COLUMN_NAME
COLUMN_NAME_LENGTH
COLUMN_NAME_LENGTH_STATUS
COLUMN_NAME_STATUS
COLUMN_NAME_PS
COLUMN_NAME_PS_LENGTH
COLUMN_NAME_PS_STATUS
COLUMN_NAME_PS_LENGTH_STATUS
COLUMN_NAME_TYPE
COLUMN_NAME_TYPE_PS
COLUMN_NAME_TYPE_SIZE
COLUMN_NAME_TYPE_STATUS