2011-09-13 17:44:24 +00:00
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head >
< meta http-equiv = "Content-Type" content = "text/html; charset=UTF-8" / >
< title > DB_MULTIPLE_WRITE_INIT< / title >
< link rel = "stylesheet" href = "apiReference.css" type = "text/css" / >
< meta name = "generator" content = "DocBook XSL Stylesheets V1.73.2" / >
< link rel = "start" href = "index.html" title = "Berkeley DB C API Reference" / >
< link rel = "up" href = "dbt.html" title = "Chapter / >
< link rel = "prev" href = "DB_MULTIPLE_RECNO_NEXT.html" title = "DB_MULTIPLE_RECNO_NEXT" / >
< link rel = "next" href = "DB_MULTIPLE_WRITE_NEXT.html" title = "DB_MULTIPLE_WRITE_NEXT" / >
< / head >
< body >
< div xmlns = "" class = "navheader" >
< div class = "libver" >
< p > Library Version 11.2.5.2< / p >
< / div >
< table width = "100%" summary = "Navigation header" >
< tr >
< th colspan = "3" align = "center" > DB_MULTIPLE_WRITE_INIT< / th >
< / tr >
< tr >
< td width = "20%" align = "left" > < a accesskey = "p" href = "DB_MULTIPLE_RECNO_NEXT.html" > Prev< / a > < / td >
< th width = "60%" align = "center" > Chapter
The DBT Handle
< / th >
< td width = "20%" align = "right" > < a accesskey = "n" href = "DB_MULTIPLE_WRITE_NEXT.html" > Next< / a > < / td >
< / tr >
< / table >
< hr / >
< / div >
< div class = "sect1" lang = "en" xml:lang = "en" >
< div class = "titlepage" >
< div >
< div >
< h2 class = "title" style = "clear: both" > < a id = "DB_MULTIPLE_WRITE_INIT" > < / a > DB_MULTIPLE_WRITE_INIT< / h2 >
< / div >
< / div >
< / div >
< pre class = "programlisting" > #include < db.h>
DB_MULTIPLE_WRITE_INIT(void *pointer, DBT *data); < / pre >
< p >
Initialize a DBT containing a bulk buffer for use with the < a class = "link" href = "dbput.html#put_DB_MULTIPLE" > DB_MULTIPLE< / a > or < a class = "link" href = "dbput.html#put_DB_MULTIPLE_KEY" > DB_MULTIPLE_KEY< / a > flags to the < a class = "xref" href = "dbput.html" title = "DB->put()" > DB-> put()< / a > or < a class = "xref" href = "dbdel.html" title = "DB->del()" > DB-> del()< / a > methods.
< / p >
< p >
This macro initializes an opaque pointer variable used for adding
records to a bulk buffer. Use this macro for buffers that will contain
either a data item per record (for use with
< a class = "link" href = "dbput.html#put_DB_MULTIPLE" > DB_MULTIPLE< / a > ),
or key/data pairs, where the key is not a record number. For record
number keys, use < a class = "link" href = "DB_MULTIPLE_RECNO_WRITE_INIT.html" title = "DB_MULTIPLE_RECNO_WRITE_INIT" > DB_MULTIPLE_RECNO_WRITE_INIT< / a > .
< / p >
< div class = "sect2" lang = "en" xml:lang = "en" >
< div class = "titlepage" >
< div >
< div >
2011-12-20 00:07:10 +00:00
< h3 class = "title" > < a id = "id3702148" > < / a > Parameters< / h3 >
2011-09-13 17:44:24 +00:00
< / div >
< / div >
< / div >
< div class = "sect3" lang = "en" xml:lang = "en" >
< div class = "titlepage" >
< div >
< div >
2011-12-20 00:07:10 +00:00
< h4 class = "title" > < a id = "id3702151" > < / a > pointer< / h4 >
2011-09-13 17:44:24 +00:00
< / div >
< / div >
< / div >
< p >
The < span class = "bold" > < strong > pointer< / strong > < / span > parameter
is an opaque pointer variable to be initialized.
< / p >
< / div >
< div class = "sect3" lang = "en" xml:lang = "en" >
< div class = "titlepage" >
< div >
< div >
2011-12-20 00:07:10 +00:00
< h4 class = "title" > < a id = "id3701854" > < / a > data< / h4 >
2011-09-13 17:44:24 +00:00
< / div >
< / div >
< / div >
< p >
The < span class = "bold" > < strong > data< / strong > < / span > parameter is
a < a class = "link" href = "dbt.html" title = "Chapter > DBT< / a > structure that
has been initialized by the application with a buffer
to hold multiple records.
The < span class = "bold" > < strong > ulen< / strong > < / span > field must be
set to the size of the buffer allocated by the
application, and must be a multiple of 4.
< / p >
< / div >
< / div >
< div class = "sect2" lang = "en" xml:lang = "en" >
< div class = "titlepage" >
< div >
< div >
2011-12-20 00:07:10 +00:00
< h3 class = "title" > < a id = "id3702126" > < / a > Class< / h3 >
2011-09-13 17:44:24 +00:00
< / div >
< / div >
< / div >
< p >
< a class = "link" href = "dbt.html" title = "Chapter > DBT< / a >
< / p >
< / div >
< div class = "sect2" lang = "en" xml:lang = "en" >
< div class = "titlepage" >
< div >
< div >
2011-12-20 00:07:10 +00:00
< h3 class = "title" > < a id = "id3701972" > < / a > See Also< / h3 >
2011-09-13 17:44:24 +00:00
< / div >
< / div >
< / div >
< p >
< a class = "xref" href = "dbt.html#dbtlist" title = "DBT and Bulk Operations" > DBT and Bulk Operations< / a >
< / p >
< / div >
< / div >
< div class = "navfooter" >
< hr / >
< table width = "100%" summary = "Navigation footer" >
< tr >
< td width = "40%" align = "left" > < a accesskey = "p" href = "DB_MULTIPLE_RECNO_NEXT.html" > Prev< / a > < / td >
< td width = "20%" align = "center" >
< a accesskey = "u" href = "dbt.html" > Up< / a >
< / td >
< td width = "40%" align = "right" > < a accesskey = "n" href = "DB_MULTIPLE_WRITE_NEXT.html" > Next< / a > < / td >
< / tr >
< tr >
< td width = "40%" align = "left" valign = "top" > DB_MULTIPLE_RECNO_NEXT < / td >
< td width = "20%" align = "center" >
< a accesskey = "h" href = "index.html" > Home< / a >
< / td >
< td width = "40%" align = "right" valign = "top" > < / td >
< / tr >
< / table >
< / div >
< / body >
< / html >
