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Macros and Global Functions for OLE DB Consumer Templates

The OLE DB Consumer Templates include the following macros and global functions:

Global Functions

AtlTraceErrorRecords

Dumps OLE DB Error Record information to the dump device if an error is returned.

Accessor Map Macros

BEGIN_ACCESSOR

Marks the beginning of an accessor entry.

BEGIN_ACCESSOR_MAP

Marks the beginning of the accessor map entries.

END_ACCESSOR

Marks the end of an accessor entry.

END_ACCESSOR_MAP

Marks the end of the accessor map entries.

Column Map Macros

BEGIN_COLUMN_MAP

Marks the beginning of the column map entries in the user record class.

BLOB_ENTRY

Used to bind a binary large object (BLOB).

BLOB_ENTRY_LENGTH

Reports the length of the BLOB data column.

BLOB_ENTRY_LENGTH_STATUS

Reports the length and status of the BLOB data column.

BLOB_ENTRY_STATUS

Reports the status of the BLOB data column.

BLOB_NAME

Used to bind a binary large object by column name.

BLOB_NAME_LENGTH

Reports the length of the BLOB data column.

BLOB_NAME_LENGTH_STATUS

Reports the length and status of the BLOB data column.

BLOB_NAME_STATUS

Reports the status of the BLOB data column.

BOOKMARK_ENTRY

Represents a bookmark entry on the rowset. A bookmark entry is a special kind of column entry.

COLUMN_ENTRY

Represents a binding to a specific column in the database.

COLUMN_ENTRY_EX

Represents a binding to the specific column in the database. Supports type, length, precision, scale, and status parameters.

COLUMN_ENTRY_LENGTH

Represents a binding to the specific column in the database. Supports the length variable.

COLUMN_ENTRY_LENGTH_STATUS

Represents a binding to the specific column in the database. Supports status and length parameters.

COLUMN_ENTRY_PS

Represents a binding to the specific column in the database. Supports precision and scale parameters.

COLUMN_ENTRY_PS_LENGTH

Represents a binding to the specific column in the database. Supports the length variable, precision and scale parameters.

COLUMN_ENTRY_PS_LENGTH_STATUS

Represents a binding to the specific column in the database. Supports status and length variables, precision and scale parameters.

COLUMN_ENTRY_PS_STATUS

Represents a binding to the specific column in the database. Supports the status variable, precision and scale parameters.

COLUMN_ENTRY_STATUS

Represents a binding to the specific column in the database. Supports the status variable.

COLUMN_ENTRY_TYPE

Represents a binding to a specific column in the database. Supports type parameter.

COLUMN_ENTRY_TYPE_SIZE

Represents a binding to the specific column in the database. Supports type and size parameters.

COLUMN_NAME

Represents a binding to a specific column in the database by name.

COLUMN_NAME_EX

Represents a binding to a specific column in the database by name. Supports specification of data type, size, precision, scale, column length, and column status.

COLUMN_NAME_LENGTH

Represents a binding to a specific column in the database by name. Supports specification of column length.

COLUMN_NAME_LENGTH_STATUS

Represents a binding to a specific column in the database by name. Supports specification of column length and status.

COLUMN_NAME_PS

Represents a binding to a specific column in the database by name. Supports specification of precision and scale.

COLUMN_NAME_PS_LENGTH

Represents a binding to a specific column in the database by name. Supports specification of precision, scale, and column length.

COLUMN_NAME_PS_LENGTH_STATUS

Represents a binding to a specific column in the database by name. Supports specification of precision, scale, column length, and column status.

COLUMN_NAME_PS_STATUS

Represents a binding to a specific column in the database by name. Supports specification of precision, scale, and column status.

COLUMN_NAME_STATUS

Represents a binding to a specific column in the database by name. Supports specification of column status.

COLUMN_NAME_TYPE

Represents a binding to a specific column in the database by name. Supports specification of data type.

COLUMN_NAME_TYPE_PS

Represents a binding to a specific column in the database by name. Supports specification of data type, precision, and scale.

COLUMN_NAME_TYPE_SIZE

Represents a binding to a specific column in the database by name. Supports specification of data type and size.

COLUMN_NAME_TYPE_STATUS

Represents a binding to a specific column in the database by name. Supports specification of data type and column status.

END_COLUMN_MAP

Marks the end of the column map entries.

Command Macros

DEFINE_COMMAND

Specifies the command that will be used to create the rowset when using the CCommand class. Accepts only string types matching the specified application type (ANSI or Unicode). It is recommended that you use DEFINE_COMMAND_EX instead of DEFINE_COMMAND.

DEFINE_COMMAND_EX

Specifies the command that will be used to create the rowset when using the CCommand class. Supports ANSI and Unicode applications.

Parameter Map Macros

BEGIN_PARAM_MAP

Marks the beginning of the parameter map entries in the user record class.

END_PARAM_MAP

Marks the end of the parameter map entries.

SET_PARAM_TYPE

Specifies COLUMN_ENTRY macros that follow the SET_PARAM_TYPE macro as input, output, or input/output.

See Also

Concepts

OLE DB Consumer Templates (C++)

OLE DB Consumer Templates (C++)

OLE DB Consumer Templates Reference