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+<a href="intro.html"><h2>Session Module C Interface</h2></a><h2>Obtain The Current Operation From A Changeset Iterator</h2><blockquote><pre>int sqlite3changeset_op(
+  sqlite3_changeset_iter *pIter,  /* Iterator object */
+  const char **pzTab,             /* OUT: Pointer to table name */
+  int *pnCol,                     /* OUT: Number of columns in table */
+  int *pOp,                       /* OUT: SQLITE_INSERT, DELETE or UPDATE */
+  int *pbIndirect                 /* OUT: True for an 'indirect' change */
+);
+</pre></blockquote><p>
+The pIter argument passed to this function may either be an iterator
+passed to a conflict-handler by <a href="../session/sqlite3changeset_apply.html">sqlite3changeset_apply()</a>, or an iterator
+created by <a href="../session/sqlite3changeset_start.html">sqlite3changeset_start()</a>. In the latter case, the most recent
+call to <a href="../session/sqlite3changeset_next.html">sqlite3changeset_next()</a> must have returned <a href="../rescode.html#row">SQLITE_ROW</a>. If this
+is not the case, this function returns <a href="../rescode.html#misuse">SQLITE_MISUSE</a>.</p>
+
+<p>Arguments pOp, pnCol and pzTab may not be NULL. Upon return, three
+outputs are set through these pointers: </p>
+
+<p>*pOp is set to one of <a href="../c3ref/c_alter_table.html">SQLITE_INSERT</a>, <a href="../c3ref/c_alter_table.html">SQLITE_DELETE</a> or <a href="../c3ref/c_alter_table.html">SQLITE_UPDATE</a>,
+depending on the type of change that the iterator currently points to;</p>
+
+<p>*pnCol is set to the number of columns in the table affected by the change; and</p>
+
+<p>*pzTab is set to point to a nul-terminated utf-8 encoded string containing
+the name of the table affected by the current change. The buffer remains
+valid until either sqlite3changeset_next() is called on the iterator
+or until the conflict-handler function returns.</p>
+
+<p>If pbIndirect is not NULL, then *pbIndirect is set to true (1) if the change
+is an indirect change, or false (0) otherwise. See the documentation for
+<a href="../session/sqlite3session_indirect.html">sqlite3session_indirect()</a> for a description of direct and indirect
+changes.</p>
+
+<p>If no error occurs, SQLITE_OK is returned. If an error does occur, an
+SQLite error code is returned. The values of the output variables may not
+be trusted in this case.
+</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>
+