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<!--$Id: seq_set_flags.so,v 1.7 2004/09/07 15:37:41 bostic Exp $--> <!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB: DbSequence::set_flags</title> <meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> </head> <body bgcolor=white> <table width="100%"><tr valign=top> <td> <b>DbSequence::set_flags</b> </td> <td align=right> <a href="../../db4-devel-4.7.25/api_cxx/api_core.html"><img src="../../db4-devel-4.7.25/images/api.gif" alt="API"></a> <a href="../../db4-devel-4.7.25/ref/toc.html"><img src="../../db4-devel-4.7.25/images/ref.gif" alt="Ref"></a></td> </tr></table> <hr size=1 noshade> <tt> <b><pre> #include <db_cxx.h> <p> int DbSequence::set_flags(u_int32_t flags); <p> int DbSequence::get_flags(u_int32_t *flagsp); </pre></b> <hr size=1 noshade> <b>Description: DbSequence::set_flags</b> <p>Configure a sequence. The flags are only effective when creating a sequence. Calling DbSequence::set_flags is additive; there is no way to clear flags.</p> <p>The DbSequence::set_flags method may not be called after the <a href="../../db4-devel-4.7.25/api_cxx/seq_open.html">DbSequence::open</a> method is called.</p> <p>The DbSequence::set_flags 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. </p> <b>Parameters</b> <br> <b>flags</b><ul compact><li>The <b>flags</b> parameter must be set to 0 or by bitwise inclusively <b>OR</b>'ing together one or more of the following values: <br> <b><a name="DB_SEQ_DEC">DB_SEQ_DEC</a></b><ul compact><li>Specify that the sequence should be decremented.</ul> <br> <br> <b><a name="DB_SEQ_INC">DB_SEQ_INC</a></b><ul compact><li>Specify that the sequence should be incremented. This is the default.</ul> <br> <br> <b><a name="DB_SEQ_WRAP">DB_SEQ_WRAP</a></b><ul compact><li>Specify that the sequence should wrap around when it is incremented (decremented) past the specified maximum (minimum) value.</ul> <br></ul> <br> <br><b>Errors</b> <p>The DbSequence::set_flags method may fail and throw <a href="../../db4-devel-4.7.25/api_cxx/except_class.html">DbException</a>, encapsulating one of the following non-zero errors, or return one of the following non-zero errors:</p> <br> <b>EINVAL</b><ul compact><li>An invalid flag value or parameter was specified.</ul> <br> <hr size=1 noshade> <b>Description: DbSequence::get_flags</b> <p>The DbSequence::get_flags method returns the current flags.</p> <p>The DbSequence::get_flags method may be called at any time during the life of the application.</p> <p>The DbSequence::get_flags 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. </p> <b>Parameters</b> <br> <b>flagsp</b><ul compact><li>The DbSequence::get_flags method returns the current flags in <b>flagsp</b>.</ul> <br> <hr size=1 noshade> <br><b>Class</b> <a href="../../db4-devel-4.7.25/api_cxx/seq_class.html">DbSequence</a> <br><b>See Also</b> <a href="../../db4-devel-4.7.25/api_cxx/seq_list.html">Sequences and Related Methods</a> </tt> <table width="100%"><tr><td><br></td><td align=right> <a href="../../db4-devel-4.7.25/api_cxx/api_core.html"><img src="../../db4-devel-4.7.25/images/api.gif" alt="API"></a><a href="../../db4-devel-4.7.25/ref/toc.html"><img src="../../db4-devel-4.7.25/images/ref.gif" alt="Ref"></a> </td></tr></table> <p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> </body> </html>
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