From 3e22cc0afcbe2b7643db61e1bc0862216eadfe97 Mon Sep 17 00:00:00 2001
From: Hyoseong Jo <coziny@osolit.net>
Date: Sun, 28 Dec 2025 15:23:51 +0900
Subject: [PATCH] =?UTF-8?q?=EC=97=85=EB=8D=B0=EC=9D=B4=ED=8A=B8?=
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---
 backend/utils/server-scheduler.ts | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/backend/utils/server-scheduler.ts b/backend/utils/server-scheduler.ts
index bf64575..b1e026d 100644
--- a/backend/utils/server-scheduler.ts
+++ b/backend/utils/server-scheduler.ts
@@ -92,7 +92,7 @@ async function detectAnomalies(targetId: number, serverName: string) {
         const recentExists = await queryOne(`
           SELECT 1 FROM anomaly_logs 
           WHERE target_id = $1 AND detect_type = 'short-term' AND metric = 'CPU'
-          AND detected_at > NOW() - INTERVAL '1 minute'
+          AND detected_at::timestamp > NOW() - INTERVAL '1 minute'
           LIMIT 1
         `, [targetId])
         
@@ -114,7 +114,7 @@ async function detectAnomalies(targetId: number, serverName: string) {
         const recentExists = await queryOne(`
           SELECT 1 FROM anomaly_logs 
           WHERE target_id = $1 AND detect_type = 'short-term' AND metric = 'Memory'
-          AND detected_at > NOW() - INTERVAL '1 minute'
+          AND detected_at::timestamp > NOW() - INTERVAL '1 minute'
           LIMIT 1
         `, [targetId])
         
@@ -140,7 +140,7 @@ async function detectAnomalies(targetId: number, serverName: string) {
       SELECT cpu_percent, memory_percent
       FROM server_snapshots
       WHERE target_id = $1 AND is_online = 1
-        AND collected_at >= NOW() - INTERVAL '1 hour'
+        AND collected_at::timestamp >= NOW() - INTERVAL '1 hour'
       ORDER BY collected_at DESC
     `, [targetId])
     
@@ -168,7 +168,7 @@ async function detectAnomalies(targetId: number, serverName: string) {
         const recentExists = await queryOne(`
           SELECT 1 FROM anomaly_logs 
           WHERE target_id = $1 AND detect_type = 'zscore' AND metric = 'CPU'
-          AND detected_at > NOW() - INTERVAL '1 minute'
+          AND detected_at::timestamp > NOW() - INTERVAL '1 minute'
           LIMIT 1
         `, [targetId])
         
@@ -190,7 +190,7 @@ async function detectAnomalies(targetId: number, serverName: string) {
         const recentExists = await queryOne(`
           SELECT 1 FROM anomaly_logs 
           WHERE target_id = $1 AND detect_type = 'zscore' AND metric = 'Memory'
-          AND detected_at > NOW() - INTERVAL '1 minute'
+          AND detected_at::timestamp > NOW() - INTERVAL '1 minute'
           LIMIT 1
         `, [targetId])
         
@@ -219,12 +219,12 @@ async function detectAnomalies(targetId: number, serverName: string) {
       SELECT cpu_percent, memory_percent
       FROM server_snapshots
       WHERE target_id = $1 AND is_online = 1
-        AND collected_at >= NOW() - INTERVAL '14 days'
-        AND EXTRACT(HOUR FROM collected_at) = $2
+        AND collected_at::timestamp >= NOW() - INTERVAL '14 days'
+        AND EXTRACT(HOUR FROM collected_at::timestamp) = $2
         AND (
-          ($3 = 'weekend' AND EXTRACT(DOW FROM collected_at) IN (0, 6))
+          ($3 = 'weekend' AND EXTRACT(DOW FROM collected_at::timestamp) IN (0, 6))
           OR
-          ($3 = 'weekday' AND EXTRACT(DOW FROM collected_at) NOT IN (0, 6))
+          ($3 = 'weekday' AND EXTRACT(DOW FROM collected_at::timestamp) NOT IN (0, 6))
         )
     `, [targetId, currentHour, dayType])
     
@@ -257,7 +257,7 @@ async function detectAnomalies(targetId: number, serverName: string) {
         const recentExists = await queryOne(`
           SELECT 1 FROM anomaly_logs 
           WHERE target_id = $1 AND detect_type = 'baseline' AND metric = 'CPU'
-          AND detected_at > NOW() - INTERVAL '1 minute'
+          AND detected_at::timestamp > NOW() - INTERVAL '1 minute'
           LIMIT 1
         `, [targetId])
         
@@ -279,7 +279,7 @@ async function detectAnomalies(targetId: number, serverName: string) {
         const recentExists = await queryOne(`
           SELECT 1 FROM anomaly_logs 
           WHERE target_id = $1 AND detect_type = 'baseline' AND metric = 'Memory'
-          AND detected_at > NOW() - INTERVAL '1 minute'
+          AND detected_at::timestamp > NOW() - INTERVAL '1 minute'
           LIMIT 1
         `, [targetId])
         
@@ -306,7 +306,7 @@ async function detectAnomalies(targetId: number, serverName: string) {
       SELECT cpu_percent, memory_percent
       FROM server_snapshots
       WHERE target_id = $1 AND is_online = 1
-        AND collected_at >= NOW() - INTERVAL '${WINDOW_MINUTES} minutes'
+        AND collected_at::timestamp >= NOW() - INTERVAL '${WINDOW_MINUTES} minutes'
       ORDER BY collected_at ASC
     `, [targetId])
     
@@ -341,7 +341,7 @@ async function detectAnomalies(targetId: number, serverName: string) {
         const recentExists = await queryOne(`
           SELECT 1 FROM anomaly_logs 
           WHERE target_id = $1 AND detect_type = 'trend' AND metric = 'CPU'
-          AND detected_at > NOW() - INTERVAL '1 minute'
+          AND detected_at::timestamp > NOW() - INTERVAL '1 minute'
           LIMIT 1
         `, [targetId])
         
@@ -361,7 +361,7 @@ async function detectAnomalies(targetId: number, serverName: string) {
         const recentExists = await queryOne(`
           SELECT 1 FROM anomaly_logs 
           WHERE target_id = $1 AND detect_type = 'trend' AND metric = 'Memory'
-          AND detected_at > NOW() - INTERVAL '1 minute'
+          AND detected_at::timestamp > NOW() - INTERVAL '1 minute'
           LIMIT 1
         `, [targetId])