_CP_trans

_CP_trans is equivalent to one of several BASIC transaction processing statements depending on the op parameter. Valid values of op are:

_CP_TRANS_ONOFF

Equivalent to the BASIC transaction on/off statement. Pass in the on/off parameter in exp, and _CP_str_null in str.

_CP_TRANS_START

Equivalent to the BASIC begin work {str} statement. If no transaction name is desired, then pass 0 in exp and _CP_str_null in str. If a transaction name is desired, then pass 1 in exp and the desired name in str.

_CP_TRANS_COMMIT

Equivalent to the BASIC commit work statement. Pass 0 in exp and _CP_str_null in str.

_CP_TRANS_ROLLBACK

Equivalent to the BASIC rollback work statement. A 0 must be passed in exp and _CP_str_null in str.

_CP_CACHE

Equivalent to the BASIC transaction cache on/off statement. Pass in the on/off parameter in exp, and _CP_str_null in str.

_CP_FLUSH

Equivalent to the BASIC transaction flush on/off statement. Pass in the on/off parameter in exp, and _CP_str_null in str.

Syntax

int _CP_trans(int op, int exp, CPSTR * str)

Description

This function returns -1 if an error occurs. The error code is contained in _CP_errno and is always PE_ACCESS.

See Also

begin work Statement

commit work Statement

C Functions Overview

rollback work Statement

transaction Statement