diff options
Diffstat (limited to 'db/docs/api_tcl/db_put.html')
-rw-r--r-- | db/docs/api_tcl/db_put.html | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/db/docs/api_tcl/db_put.html b/db/docs/api_tcl/db_put.html new file mode 100644 index 000000000..2311a3c97 --- /dev/null +++ b/db/docs/api_tcl/db_put.html @@ -0,0 +1,74 @@ +<!--$Id: db_put.so,v 11.10 2000/06/12 17:50:01 sue Exp $--> +<!--$Id: m4.tcl,v 11.17 2000/04/24 17:31:11 sue Exp $--> +<!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.--> +<!--All rights reserved.--> +<html> +<head> +<title>Berkeley DB: db put</title> +<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> +<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++"> +</head> +<body bgcolor=white> + <a name="2"><!--meow--></a> +<table><tr valign=top> +<td> +<h1><i>db</i> <b>put</b></h1> +</td> +<td width="1%"> +<a href="../api_tcl/tcl_index.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> +<h3><pre>db put + -append + [-partial {doff dlen}] + [-txn txnid] + data +db put + [-nooverwrite] + [-partial {doff dlen}] + [-txn txnid] + key data +</pre></h3> +<h1>Description</h1> +<p>The <i>db</i> <b>put</b> command stores the specified key/data pair into the +database. +<p>The options are as follows: +<p><dl compact> +<p><dt>-append<dd>Append the data item to the end of the database. For the <b>-append</b> +option to be specified, the underlying database must be a Queue or Recno +database. The record number allocated to the record is returned on +success. +<p><dt>-nooverwrite<dd>Enter the new key/data pair only if the key does not already appear in +the database. +<p><dt>-partial {doff dlen}<dd> +<p>The <b>dlen</b> bytes starting <b>doff</b> bytes from the beginning of +the specified key's data record are replaced by the data specified by the +data and size structure elements. If <b>dlen</b> is smaller than the +length of the supplied data, the record will grow, and if <b>dlen</b> is +larger than the length of the supplied data, the record will shrink. If +the specified bytes do not exist, the record will be extended using nul +bytes as necessary, and the <i>db</i> <b>put</b> call will succeed. +<p>It is an error to attempt a partial put using the <i>db</i> <b>put</b> command in a database +that supports duplicate records. Partial puts in databases supporting +duplicate records must be done using a <i>dbc</i> <b>put</b> command. +<p>It is an error to attempt a partial put with differing <b>dlen</b> and +supplied data length values in Queue or Recno databases with fixed-length +records. +<p><dt>-txn txnid<dd>If the file is being accessed under transaction protection, the +<b>txnid</b> parameter is a transaction handle returned from <i>env</i> <b>txn</b>. +</dl> +<p>The <i>db</i> <b>put</b> command returns either 0 or a record number for success +(the record number is returned if the <b>-append</b> option was specified). +If an error occurs, a Berkeley DB error message is returned or a Tcl error is +thrown. +<p>If the underlying database is a Queue or Recno database, then the given +key will be interpreted by Tcl as an integer. For all other database +types, the key is interpreted by Tcl as a byte array. +</tt> +<table><tr><td><br></td><td width="1%"> +<a href="../api_tcl/tcl_index.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><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font> +</body> +</html> |