blob: 6c0450ac9e5495aa895a70392bdc078e69f7621b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
# frozen_string_literal: true
module Gitlab
module Analytics
module CycleAnalytics
class Median
include StageQueryHelpers
def initialize(stage:, query:)
@stage = stage
@query = query
end
# rubocop: disable CodeReuse/ActiveRecord
def seconds
@query = @query.select(median_duration_in_seconds.as('median')).reorder(nil)
result = execute_query(@query).first || {}
result['median'] || nil
end
# rubocop: enable CodeReuse/ActiveRecord
def days
seconds ? seconds.fdiv(1.day) : nil
end
private
attr_reader :stage
def percentile_cont
percentile_cont_ordering = Arel::Nodes::UnaryOperation.new(Arel::Nodes::SqlLiteral.new('ORDER BY'), duration)
Arel::Nodes::NamedFunction.new(
'percentile_cont(0.5) WITHIN GROUP',
[percentile_cont_ordering]
)
end
def median_duration_in_seconds
Arel::Nodes::Extract.new(percentile_cont, :epoch)
end
end
end
end
end
|
