From a74ef7a0d8605eccc7494681fa2d3b5efc8cf81b Mon Sep 17 00:00:00 2001
From: yikth <netyth@gmail.com>
Date: Mon, 7 Sep 2020 14:06:36 +0800
Subject: [PATCH] highest monthly query

---
 server-side/src/database.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/server-side/src/database.js b/server-side/src/database.js
index 0ef207e..4e7b7be 100644
--- a/server-side/src/database.js
+++ b/server-side/src/database.js
@@ -61,3 +61,22 @@ connection.query(
         }        
     });
 
+    // query highest monthly transaction
+    connection.query(`SELECT a.user_id, u.name, a.acct_number, t.date, COUNT(a.user_id) as cmonth
+    FROM transactions AS t
+    INNER JOIN accounts AS a
+    ON a.acct_number = t.acct_number
+    INNER JOIN users AS u
+    ON u.user_id = a.user_id
+    GROUP BY a.user_id, MONTH(t.date), YEAR(t.date)
+    ORDER BY cmonth DESC
+    LIMIT 1`,
+    (err, results) => {
+        if (err){
+            console.log(err);
+        } else {
+            if (results["affectedRows"] != 0) {
+                console.log("Highest Monthly", results);
+            }
+        }        
+    });
\ No newline at end of file