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fix(metrics): refine SQL query for recent metrics retrieval

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- Updated the SQL query in GetRecentMetrics to adjust the time filtering logic, ensuring that only metrics within the specified hours are retrieved.
- This change enhances the accuracy of the metrics data by correctly bounding the time range, improving the reliability of performance monitoring.
This commit is contained in:
wood chen 2024-12-05 06:51:16 +08:00
parent c416c76790
commit 2d658c35e6
1 changed files with 3 additions and 2 deletions
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5
internal/models/metrics.go
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@ -312,7 +312,7 @@ func (db *MetricsDB) GetRecentMetrics(hours int) ([]HistoricalMetrics, error) {
rows, err := db.DB.Query(`
WITH time_series AS (
-- 生成时间序列
SELECT datetime('now', '-' || ?2 || ' hours', 'localtime') +
SELECT datetime('now', 'localtime') -
(CASE
WHEN ?2 <= 24 THEN (300 * n) -- 5分钟间隔
WHEN ?2 <= 168 THEN (3600 * n) -- 1小时间隔
@ -327,7 +327,8 @@ func (db *MetricsDB) GetRecentMetrics(hours int) ([]HistoricalMetrics, error) {
ELSE ?2 / 24 -- 1天间隔
END)
)
WHERE time_point <= datetime('now', 'localtime')
WHERE time_point >= datetime('now', '-' || ?2 || ' hours', 'localtime')
AND time_point <= datetime('now', 'localtime')
),
grouped_metrics AS (
SELECT