Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.
The latest version of this topic can be found at PROVIDER_COLUMN_ENTRY_LENGTH.
Represents a specific column supported by the provider.
Syntax
PROVIDER_COLUMN_ENTRY_LENGTH(
name
, ordinal, size, member )
Parameters
name
[in] The column name.
ordinal
[in] The column number. Unless the column is a Bookmark column, the column number must not be 0.
size
[in] The column size in bytes.
member
[in] The member variable in dataClass that stores the column data.
Remarks
Allows you to specify the column size.
Example
See BEGIN_PROVIDER_COLUMN_MAP.
Requirements
Header: atldb.h
See Also
Macros for OLE DB Provider Templates
OLE DB Provider Templates
OLE DB Provider Template Architecture
Creating an OLE DB Provider