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fix(metrics): update SQL query to use localtime for accurate metrics retrieval

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- Modified the SQL query in GetRecentMetrics to utilize the 'localtime' modifier for timestamp handling, ensuring that metrics are retrieved based on the local time zone.
- This change enhances the accuracy of the metrics data by aligning the time calculations with local time, improving the reliability of performance monitoring.
This commit is contained in:
wood chen 2024-12-05 01:06:55 +08:00
parent 60b115438a
commit 59358cbe8a
1 changed files with 4 additions and 3 deletions
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5
internal/models/metrics.go
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@ -240,16 +240,17 @@ func (db *MetricsDB) GetRecentMetrics(hours int) ([]HistoricalMetrics, error) {
interval = "%Y-%m-%d 00:00:00" interval = "%Y-%m-%d 00:00:00"
} }
// 修改查询，使用 localtime 修饰符
rows, err := db.DB.Query(` rows, err := db.DB.Query(`
WITH grouped_metrics AS ( WITH grouped_metrics AS (
SELECT SELECT
strftime(?1, timestamp) as group_time, strftime(?1, timestamp, 'localtime') as group_time,
SUM(total_requests) as total_requests, SUM(total_requests) as total_requests,
SUM(total_errors) as total_errors, SUM(total_errors) as total_errors,
SUM(total_bytes) as total_bytes, SUM(total_bytes) as total_bytes,
CAST(AVG(CAST(avg_latency AS FLOAT)) AS FLOAT) as avg_latency CAST(AVG(CAST(avg_latency AS FLOAT)) AS FLOAT) as avg_latency
FROM metrics_history FROM metrics_history
WHERE timestamp >= datetime('now', '-' || ?2 || ' hours') WHERE timestamp >= datetime('now', '-' || ?2 || ' hours', 'localtime')
GROUP BY group_time GROUP BY group_time
ORDER BY group_time DESC ORDER BY group_time DESC
) )