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<h1>22. Virtuoso Functions Guide - REPL_PUB_INIT_IMAGE</h1>
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<a href="fn_REPL_CREATE_SNAPSHOT_PUB.html">repl_create_snapshot...</a>
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<a href="fn_repl_grant.html">repl_grant</a>
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<a href="fn_repl_init_copy.html">repl_init_copy</a>
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<a href="fn_REPL_INIT_SNAPSHOT.html">repl_init_snapshot</a>
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<a href="fn_repl_publish.html">repl_publish</a>
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<a href="fn_repl_pub_add.html">repl_pub_add</a>
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<a class="selected" href="fn_repl_pub_init_image.html">repl_pub_init_image</a>
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<a href="fn_repl_pub_remove.html">repl_pub_remove</a>
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<a href="fn_repl_revoke.html">repl_revoke</a>
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<a href="fn_repl_sched_init.html">repl_sched_init</a>
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<div id="text">
<h2>REPL_PUB_INIT_IMAGE</h2>
<div class="refpurpose">create initial image of publication on publisher</div>
<div class="funcsynopsis">
<span class="funcdef">
<span class="function">REPL_PUB_INIT_IMAGE</span>
</span>
(<span class="paramdef">in <span class="parameter">publication</span> varchar</span>,
<span class="paramdef">in <span class="parameter">image_file_path</span> varchar</span>,
<span class="paramdef">in <span class="parameter">bytes_per_file</span> integer</span>);
</div>
<div class="refsect1">
<div class="refsect1title">Description</div>
<p>The image creation process forces checkpoint and runs
in atomic mode.
</p>
<p>If <strong>image_file_path</strong> does not contain
path components (slashes or backslashes), image slices are stored in
one of backup directories defined in virtuoso.ini using round-robin
strategy.
</p>
<p>This function is used to create image of publication to be replayed on a subscribed
upon initial setup. This can be used when publication data is so large to be
copied via repl_init_copy() which uses VDB operations.
The image file(s) created by this function must be loaded on subscriber with replay() function in order
of their creation (if image is split on to a several files).</p>
</div>
<div class="refsect1">
<div class="refsect1title">Parameters</div>
<div class="refsect2">
<span class="refsect2title">publication – </span>
publication account name.
</div>
<div class="refsect2">
<span class="refsect2title">image_file_path – </span>
full path to the image file
where to store the initial image of publication.
</div>
<div class="refsect2">
<span class="refsect2title">bytes_per_file – </span>
at which bytes count to split
file into next slice.
</div>
</div>
<div class="refsect1">
<div class="refsect1title">Example</div>
<a name="ex_repl_pub_init_image_1" />
<div class="example">
<div class="exampletitle">Creating and loading of the initial image</div>
<p>This shows creating a image with inital data of the published items and store in the 'tbl_pub.log' file.</p>
<div>
<pre class="screen">
SQL> DB.DBA.REPL_PUB_INIT_IMAGE ('table_publication', 'tbl_pub.log', 1000000);
</pre>
</div>
<p>Furthermore the image can be loaded on a subscriber. Note that this command MUST be issued on the subscriber side. Note that REPL_PUB_INIT_IMAGE() will make more files when size of the initial file is greater than 1Mb, so in that case the additional files will be named tbl_pub.log.N where N is a sequence beginning from 1 and they also need to be loaded.</p>
<div>
<pre class="screen">
SQL> replay 'tbl_pub.log';
... if there a more than one image file load sequentially ...
SQL> replay 'tbl_pub.log.1';
...
</pre>
</div>
</div>
</div>
<div class="refsect1">
<div class="refsect1title">See Also</div>
<p>
<a href="fn_sub_schedule.html">sub_schedule()</a>
</p>
<p>
<a href="fn_repl_disconnect.html">repl_disconnect()</a>
</p>
<p>
<a href="fn_repl_grant.html">repl_grant()</a>
</p>
<p>
<a href="fn_repl_init_copy.html">repl_init_copy()</a>
</p>
<p>
<a href="fn_repl_new_log.html">repl_new_log()</a>
</p>
<p>
<a href="fn_repl_pub_add.html">repl_pub_add()</a>
</p>
<p>
<a href="fn_repl_pub_remove.html">repl_pub_remove()</a>
</p>
<p>
<a href="fn_repl_publish.html">repl_publish()</a>
</p>
<p>
<a href="fn_repl_revoke.html">repl_revoke()</a>
</p>
<p>
<a href="fn_repl_sched_init.html">repl_sched_init()</a>
</p>
<p>
<a href="fn_repl_server.html">repl_server()</a>
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<p>
<a href="fn_repl_server_rename.html">repl_server_rename()</a>
</p>
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<a href="fn_repl_stat.html">repl_stat()</a>
</p>
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<a href="fn_repl_status.html">repl_status()</a>
</p>
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<a href="fn_repl_subscribe.html">repl_subscribe()</a>
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<a href="fn_repl_sync.html">repl_sync()</a>
</p>
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<a href="fn_repl_sync_all.html">repl_sync_all()</a>
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<a href="fn_repl_text.html">repl_text()</a>
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<a href="fn_repl_this_server.html">repl_this_server()</a>
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<a href="fn_repl_unpublish.html">repl_unpublish()</a>
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