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Berkeley DB: DB_SEQUENCE->set_flags
DB_SEQUENCE->set_flags
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#include <db.h>
int
DB_SEQUENCE->set_flags(DB_SEQUENCE *seq, u_int32_t flags);
int
DB_SEQUENCE->get_flags(DB_SEQUENCE *seq, u_int32_t *flagsp);
Description: DB_SEQUENCE->set_flags
Configure a sequence. The flags are only effective when creating a
sequence. Calling DB_SEQUENCE->set_flags is additive; there is no way
to clear flags.
The DB_SEQUENCE->set_flags method may not be called after the
DB_SEQUENCE->open method is called.
The DB_SEQUENCE->set_flags method
returns a non-zero error value on failure
and 0 on success.
Parameters
- flags
- The flags parameter must be set to 0 or by bitwise inclusively OR'ing together one
or more of the following values:
- DB_SEQ_DEC
- Specify that the sequence should be decremented.
- DB_SEQ_INC
- Specify that the sequence should be incremented. This is the default.
- DB_SEQ_WRAP
- Specify that the sequence should wrap around when it is incremented
(decremented) past the specified maximum (minimum) value.
Errors
The DB_SEQUENCE->set_flags method
may fail and return one of the following non-zero errors:
- EINVAL
- An
invalid flag value or parameter was specified.
Description: DB_SEQUENCE->get_flags
The DB_SEQUENCE->get_flags method returns the current flags.
The DB_SEQUENCE->get_flags method may be called at any time during the life of the
application.
The DB_SEQUENCE->get_flags method
returns a non-zero error value on failure
and 0 on success.
Parameters
- flagsp
- The DB_SEQUENCE->get_flags method returns the
current flags in flagsp.
Class
DB_SEQUENCE
See Also
Sequences and Related Methods
Copyright (c) 1996-2004 Sleepycat Software, Inc. - All rights reserved.
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