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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:28:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:28:19 +0000
commit18657a960e125336f704ea058e25c27bd3900dcb (patch)
tree17b438b680ed45a996d7b59951e6aa34023783f2 /www/session/sqlite3changegroup_output.html
parentInitial commit. (diff)
downloadsqlite3-18657a960e125336f704ea058e25c27bd3900dcb.tar.xz
sqlite3-18657a960e125336f704ea058e25c27bd3900dcb.zip
Adding upstream version 3.40.1.upstream/3.40.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE html>
+<html><head>
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<link href="../sqlite.css" rel="stylesheet">
+<title>Obtain A Composite Changeset From A Changegroup</title>
+<!-- path=../ -->
+</head>
+<body>
+<div class=nosearch>
+<a href="../index.html">
+<img class="logo" src="../images/sqlite370_banner.gif" alt="SQLite" border="0">
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+<script>
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+</script>
+<a href="intro.html"><h2>Session Module C Interface</h2></a><h2>Obtain A Composite Changeset From A Changegroup</h2><blockquote><pre>int sqlite3changegroup_output(
+ sqlite3_changegroup*,
+ int *pnData, /* OUT: Size of output buffer in bytes */
+ void **ppData /* OUT: Pointer to output buffer */
+);
+</pre></blockquote><p>
+Obtain a buffer containing a changeset (or patchset) representing the
+current contents of the changegroup. If the inputs to the changegroup
+were themselves changesets, the output is a changeset. Or, if the
+inputs were patchsets, the output is also a patchset.</p>
+
+<p>As with the output of the sqlite3session_changeset() and
+sqlite3session_patchset() functions, all changes related to a single
+table are grouped together in the output of this function. Tables appear
+in the same order as for the very first changeset added to the changegroup.
+If the second or subsequent changesets added to the changegroup contain
+changes for tables that do not appear in the first changeset, they are
+appended onto the end of the output changeset, again in the order in
+which they are first encountered.</p>
+
+<p>If an error occurs, an SQLite error code is returned and the output
+variables (*pnData) and (*ppData) are set to 0. Otherwise, SQLITE_OK
+is returned and the output variables are set to the size of and a
+pointer to the output buffer, respectively. In this case it is the
+responsibility of the caller to eventually free the buffer using a
+call to sqlite3_free().
+</p><p>See also lists of
+ <a href="objlist.html">Objects</a>,
+ <a href="constlist.html">Constants</a>, and
+ <a href="funclist.html">Functions</a>.</p>
+