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<a href="../session/intro.html"><h2>Session Module C Interface</h2></a><h2>Flags for sqlite3changeset_apply_v2</h2><blockquote><pre>#define SQLITE_CHANGESETAPPLY_NOSAVEPOINT 0x0001
#define SQLITE_CHANGESETAPPLY_INVERT 0x0002
#define SQLITE_CHANGESETAPPLY_IGNORENOOP 0x0004
#define SQLITE_CHANGESETAPPLY_FKNOACTION 0x0008
</pre></blockquote><p>
The following flags may passed via the 9th parameter to
<a href="../session/sqlite3changeset_apply.html">sqlite3changeset_apply_v2</a> and <a href="../session/sqlite3changegroup_add_strm.html">sqlite3changeset_apply_v2_strm</a>:</p>
<p><dl>
<dt>SQLITE_CHANGESETAPPLY_NOSAVEPOINT <dd>
Usually, the sessions module encloses all operations performed by
a single call to apply_v2() or apply_v2_strm() in a <a href="../lang_savepoint.html">SAVEPOINT</a>. The
SAVEPOINT is committed if the changeset or patchset is successfully
applied, or rolled back if an error occurs. Specifying this flag
causes the sessions module to omit this savepoint. In this case, if the
caller has an open transaction or savepoint when apply_v2() is called,
it may revert the partially applied changeset by rolling it back.</p>
<p><dt>SQLITE_CHANGESETAPPLY_INVERT <dd>
Invert the changeset before applying it. This is equivalent to inverting
a changeset using sqlite3changeset_invert() before applying it. It is
an error to specify this flag with a patchset.</p>
<p><dt>SQLITE_CHANGESETAPPLY_IGNORENOOP <dd>
Do not invoke the conflict handler callback for any changes that
would not actually modify the database even if they were applied.
Specifically, this means that the conflict handler is not invoked
for:
<ul>
<li>a delete change if the row being deleted cannot be found,
<li>an update change if the modified fields are already set to
their new values in the conflicting row, or
<li>an insert change if all fields of the conflicting row match
the row being inserted.
</ul></p>
<p><dt>SQLITE_CHANGESETAPPLY_FKNOACTION <dd>
If this flag it set, then all foreign key constraints in the target
database behave as if they were declared with "ON UPDATE NO ACTION ON
DELETE NO ACTION", even if they are actually CASCADE, RESTRICT, SET NULL
or SET DEFAULT.
</p><p>See also lists of
<a href="../session/objlist.html">Objects</a>,
<a href="../session/constlist.html">Constants</a>, and
<a href="../session/funclist.html">Functions</a>.</p>
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