From 56451c80709476cc94142f06986d5ae31dbaa3c4 Mon Sep 17 00:00:00 2001
From: Hyoseong Jo <coziny@osolit.net>
Date: Sun, 28 Dec 2025 16:18:02 +0900
Subject: [PATCH] =?UTF-8?q?=EC=86=8C=EC=8A=A4=20=EC=88=98=EC=A0=95?=
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---
 backend/api/anomaly/trend.get.ts            | 16 ++++++++--------
 backend/api/anomaly/zscore.get.ts           | 12 ++++++------
 backend/api/server/history/latest.get.ts    | 14 +++++++-------
 backend/api/server/history/snapshots.get.ts | 17 ++++++++---------
 4 files changed, 29 insertions(+), 30 deletions(-)

diff --git a/backend/api/anomaly/trend.get.ts b/backend/api/anomaly/trend.get.ts
index 3c461e7..98f4d5d 100644
--- a/backend/api/anomaly/trend.get.ts
+++ b/backend/api/anomaly/trend.get.ts
@@ -6,10 +6,10 @@ export default defineEventHandler(async (event) => {
   const WINDOW_MINUTES = 30
   
   const servers = await query<any>(`
-    SELECT target_id, name as server_name 
+    SELECT target_id, server_name 
     FROM server_targets 
     WHERE is_active = 1 
-    ORDER BY name
+    ORDER BY server_name
   `)
   
   const anomalies: any[] = []
@@ -17,12 +17,12 @@ export default defineEventHandler(async (event) => {
   
   for (const server of servers) {
     const snapshots = await query<any>(`
-      SELECT cpu_usage as cpu_percent, memory_usage as memory_percent, checked_at as collected_at,
-             EXTRACT(EPOCH FROM (NOW() - checked_at)) / 60 as minutes_ago
-      FROM server_logs
-      WHERE target_id = $1 AND is_success = 1
-        AND checked_at >= NOW() - INTERVAL '${WINDOW_MINUTES} minutes'
-      ORDER BY checked_at ASC
+      SELECT cpu_percent, memory_percent, collected_at,
+             EXTRACT(EPOCH FROM (NOW() - collected_at::timestamp)) / 60 as minutes_ago
+      FROM server_snapshots
+      WHERE target_id = $1 AND is_online = 1
+        AND collected_at::timestamp >= NOW() - INTERVAL '${WINDOW_MINUTES} minutes'
+      ORDER BY collected_at ASC
     `, [server.target_id])
     
     if (snapshots.length < MIN_SAMPLES) {
diff --git a/backend/api/anomaly/zscore.get.ts b/backend/api/anomaly/zscore.get.ts
index 1c742ba..5adc6ef 100644
--- a/backend/api/anomaly/zscore.get.ts
+++ b/backend/api/anomaly/zscore.get.ts
@@ -5,10 +5,10 @@ export default defineEventHandler(async (event) => {
   const DANGER_Z = 3.0
   
   const servers = await query<any>(`
-    SELECT target_id, name as server_name 
+    SELECT target_id, server_name 
     FROM server_targets 
     WHERE is_active = 1 
-    ORDER BY name
+    ORDER BY server_name
   `)
   
   const anomalies: any[] = []
@@ -16,11 +16,11 @@ export default defineEventHandler(async (event) => {
   
   for (const server of servers) {
     const snapshots = await query<any>(`
-      SELECT cpu_usage as cpu_percent, memory_usage as memory_percent, checked_at as collected_at
-      FROM server_logs
+      SELECT cpu_percent, memory_percent, collected_at
+      FROM server_snapshots
       WHERE target_id = $1
-        AND checked_at >= NOW() - INTERVAL '1 hour'
-      ORDER BY checked_at DESC
+        AND collected_at::timestamp >= NOW() - INTERVAL '1 hour'
+      ORDER BY collected_at DESC
     `, [server.target_id])
     
     if (snapshots.length < 10) {
diff --git a/backend/api/server/history/latest.get.ts b/backend/api/server/history/latest.get.ts
index def0e28..a747205 100644
--- a/backend/api/server/history/latest.get.ts
+++ b/backend/api/server/history/latest.get.ts
@@ -13,13 +13,13 @@ export default defineEventHandler(async (event) => {
   
   const snapshot = await queryOne(`
     SELECT 
-      l.*,
-      t.name as server_name,
-      t.host as server_ip
-    FROM server_logs l
-    JOIN server_targets t ON l.target_id = t.target_id
-    WHERE l.target_id = $1
-    ORDER BY l.checked_at DESC
+      s.*,
+      t.server_name,
+      t.server_ip
+    FROM server_snapshots s
+    JOIN server_targets t ON s.target_id = t.target_id
+    WHERE s.target_id = $1
+    ORDER BY s.collected_at DESC
     LIMIT 1
   `, [targetId])
   
diff --git a/backend/api/server/history/snapshots.get.ts b/backend/api/server/history/snapshots.get.ts
index e12bb8d..816b639 100644
--- a/backend/api/server/history/snapshots.get.ts
+++ b/backend/api/server/history/snapshots.get.ts
@@ -30,16 +30,15 @@ export default defineEventHandler(async (event) => {
   
   const snapshots = await query(`
     SELECT 
-      log_id,
-      cpu_usage as cpu_percent,
-      memory_usage as memory_percent,
-      disk_usage as disk_percent,
-      is_success as is_online,
-      checked_at as collected_at
-    FROM server_logs
+      snapshot_id,
+      cpu_percent,
+      memory_percent,
+      is_online,
+      collected_at
+    FROM server_snapshots
     WHERE target_id = $1
-      AND checked_at >= NOW() - INTERVAL '${interval}'
-    ORDER BY checked_at ASC
+      AND collected_at::timestamp >= NOW() - INTERVAL '${interval}'
+    ORDER BY collected_at ASC
   `, [targetId])
   
   return {