### DbMpoolFile::set

`

###

    #include <db_cxx.h>

    int
    DbMpoolFile::set(void *pgaddr, u_int32_t flags);

### Description: DbMpoolFile::set

The DbMpoolFile::set method sets the attributes of a cache page.

The DbMpoolFile::set method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success.

### Parameters

pgaddr
  The pgaddr parameter is the address of the page for which attributes are to be set. he pgaddr parameter must be an address previously returned by DbMpoolFile::get.
flags
  The flags parameter must be set to 0 or by bitwise inclusively OR'ing together one or more of the following values:
  DB_MPOOL_DISCARD
    The page is unlikely to be useful in the near future, and should be discarded before other pages in the pool.

### Errors

The DbMpoolFile::set method may fail and throw DbException, encapsulating one of the following non-zero errors, or return one of the following non-zero errors:

EINVAL
  An invalid flag value or parameter was specified.

### Class

DbEnv, DbMpoolFile

### See Also

Memory Pools and Related Methods`

Copyright (c) 1996-2006 Oracle Corporation - All rights reserved.