Compartilhar via

PROVIDER_COLUMN_ENTRY_LENGTH

  • Artigo

Represents a specific column supported by the provider.

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

Reference

Creating an OLE DB Provider

Concepts

OLE DB Provider Templates (C++)

OLE DB Provider Template Architecture

Other Resources

Macros for OLE DB Provider Templates