added popcenCount

server.js

@@ -40,6 +40,20 @@ app.get('/popcen', (req, res) => {
     });
 });
 
+
+
+app.get('/popcenCount', (req, res) => {
+    const caseidPattern = req.query.caseidPattern + '%';
+    const sql = 'SELECT COUNT(id) AS count FROM popcen WHERE caseid LIKE ?';
+    db.query(sql, [caseidPattern], (err, results) => {
+        if (err) {
+            console.error(err);
+            return res.status(500).send('Server error');
+        }
+        res.json(results[0].count);
+    });
+});
+
 const PORT = 3000;
 app.listen(PORT, () => {
     console.log(`Server is running on port ${PORT}`);