*I#Berkeley DB: Db.sync[P

Db.sync





import com.sleepycat.db.*;

public void sync(int flags) throws DbException;





Description



:The Db.sync method flushes any cached information to disk.

GIf the database is in memory only, the Db.sync method has no effect andwill always succeed.

EThe flags parameter is currently unused, and must be set to 0.

hSee Db.close for a discussion of Berkeley DB and cached data.

The Db.syncHmethod throws an exception that encapsulates an errno on failure.



Errors

OIf a fatal error occurs in Berkeley DB, the Db.sync method may fail and throw a}DbRunRecoveryException, at which point all subsequent database%calls will also fail in the same way.

The Db.sync&method may fail and throw an exceptionKfor any of the errors specified for the following Berkeley DB and C library functions:6Db.cursor,0Db.get,Db.sync,DBcursor->c_close(3),__account_page(3), close(3),dbenv->db_paniccall(3), fcntl(3), fflush(3), fprintf(3),free(3),func(3),>DbLockTab.get,8DbLock.put,>DbLockTab.vec,6DbLog.put, malloc(3), memcpy(3), memmove(3),BDbMpoolFile.get,BDbMpoolFile.put,BDbMpoolFile.set,DDbMpoolFile.sync, memset(3), munmap(3),open(3), realloc(3),sigfillset(3),sigprocmask(3), strerror(3), unlink(3), vfprintf(3), vsnprintf(3),and write(3).

In addition, the Db.sync&method may fail and throw an exceptionencapsulating errnofor the following conditions:

B

EINVAL
An invalid flag value or parameter was specified.







Class

-Db



See Also

4Db.close,6Db.cursor,0Db.del,.Db.fd,0Db.get,HDb.get_byteswapped,:Db.get_type,2Db.join,2Db.open,0Db.put,1Db.statandDb.sync.
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