Files
xinghuoapi/backend/internal/repository/ops_repo_latency_histogram_buckets.go
IanShaw027 19b67e89a2 fix(ci): 修复剩余的CI错误
- 修复 ops_repo_latency_histogram_buckets.go 中另一个函数的 WriteString 未检查错误
- 修复 ops_repo_request_details.go 和 ops_repo_trends.go 中的 Rows.Close 未检查错误
- 修复 ops_alert_models.go, ops_cleanup_service.go, ops_request_details.go 的格式化问题
- 移除 ops_retry.go 中未使用的 status 字段
- 修复 maxTime 函数重复声明(将测试文件中的函数重命名为 testMaxTime)
2026-01-11 23:57:20 +08:00

65 lines
1.5 KiB
Go

package repository
import (
"fmt"
"strings"
)
type latencyHistogramBucket struct {
upperMs int
label string
}
var latencyHistogramBuckets = []latencyHistogramBucket{
{upperMs: 100, label: "0-100ms"},
{upperMs: 200, label: "100-200ms"},
{upperMs: 500, label: "200-500ms"},
{upperMs: 1000, label: "500-1000ms"},
{upperMs: 2000, label: "1000-2000ms"},
{upperMs: 0, label: "2000ms+"}, // default bucket
}
var latencyHistogramOrderedRanges = func() []string {
out := make([]string, 0, len(latencyHistogramBuckets))
for _, b := range latencyHistogramBuckets {
out = append(out, b.label)
}
return out
}()
func latencyHistogramRangeCaseExpr(column string) string {
var sb strings.Builder
_, _ = sb.WriteString("CASE\n")
for _, b := range latencyHistogramBuckets {
if b.upperMs <= 0 {
continue
}
_, _ = sb.WriteString(fmt.Sprintf("\tWHEN %s < %d THEN '%s'\n", column, b.upperMs, b.label))
}
// Default bucket.
last := latencyHistogramBuckets[len(latencyHistogramBuckets)-1]
_, _ = sb.WriteString(fmt.Sprintf("\tELSE '%s'\n", last.label))
_, _ = sb.WriteString("END")
return sb.String()
}
func latencyHistogramRangeOrderCaseExpr(column string) string {
var sb strings.Builder
_, _ = sb.WriteString("CASE\n")
order := 1
for _, b := range latencyHistogramBuckets {
if b.upperMs <= 0 {
continue
}
_, _ = sb.WriteString(fmt.Sprintf("\tWHEN %s < %d THEN %d\n", column, b.upperMs, order))
order++
}
_, _ = sb.WriteString(fmt.Sprintf("\tELSE %d\n", order))
_, _ = sb.WriteString("END")
return sb.String()
}