<!--$Id: db_get_join.so,v 11.18 2002/08/18 21:17:25 bostic Exp $--> <!--$Id: m4.tcl,v 11.28 2004/12/16 19:13:05 bostic Exp $--> <!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB: db get_join</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><i>db</i> <b>get_join</b></b> </td> <td align=right> <a href="../api_tcl/api_tcl.html"><img src="../images/api.gif" alt="API"></a> <a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a></td> </tr></table> <hr size=1 noshade> <tt> <b><pre>db get_join [-txn txnid] {<i>db</i> key} {<i>db</i> key} ... </pre></b> <b>Description(db get_join)</b> <p>The <i>db</i> <b>get_join</b> command performs the cursor operations required to join the specified keys and returns a list of joined {key data} pairs. See <a href="../ref/am/join.html">Equality join</a> for more information on the underlying requirements for joining.</p> <p>The options are as follows:</p> <br> <b>-txn txnid</b><ul compact><li>If the operation is part of an application-specified transaction, the <b>txnid</b> parameter is a transaction handle returned from <i>env</i> <b>txn</b>. If no transaction handle is specified, but the operation occurs in a transactional database, the operation will be implicitly transaction protected.</ul> <br> <p>In the case of error, a Tcl error is thrown.</p> </tt> <table width="100%"><tr><td><br></td><td align=right> <a href="../api_tcl/api_tcl.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a> </td></tr></table> <p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> </body> </html>