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+<div class=nosearch>
+<a href="../c3ref/intro.html"><h2>SQLite C Interface</h2></a>
+<h2>Number of columns in a result set</h2>
+</div>
+<blockquote><pre>
+int sqlite3_data_count(sqlite3_stmt *pStmt);
+</pre></blockquote>
+<p>
+The sqlite3_data_count(P) interface returns the number of columns in the
+current row of the result set of <a href="../c3ref/stmt.html">prepared statement</a> P.
+If prepared statement P does not have results ready to return
+(via calls to the <a href="../c3ref/column_blob.html">sqlite3_column()</a> family of
+interfaces) then sqlite3_data_count(P) returns 0.
+The sqlite3_data_count(P) routine also returns 0 if P is a NULL pointer.
+The sqlite3_data_count(P) routine returns 0 if the previous call to
+<a href="../c3ref/step.html">sqlite3_step</a>(P) returned <a href="../rescode.html#done">SQLITE_DONE</a>.  The sqlite3_data_count(P)
+will return non-zero if previous call to <a href="../c3ref/step.html">sqlite3_step</a>(P) returned
+<a href="../rescode.html#row">SQLITE_ROW</a>, except in the case of the <a href="../pragma.html#pragma_incremental_vacuum">PRAGMA incremental_vacuum</a>
+where it always returns zero since each step of that multi-step
+pragma returns 0 columns of data.</p>
+
+<p>See also: <a href="../c3ref/column_count.html">sqlite3_column_count()</a>
+</p><p>See also lists of
+  <a href="../c3ref/objlist.html">Objects</a>,
+  <a href="../c3ref/constlist.html">Constants</a>, and
+  <a href="../c3ref/funclist.html">Functions</a>.</p>
+