blob: 945cecfcf8c4ca4552dc32b025969b4345a78ad3 (
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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
# frozen_string_literal: true
module Gitlab
module Analytics
module CycleAnalytics
module StageEvents
# Base class for expressing an event that can be used for a stage.
class StageEvent
include Gitlab::CycleAnalytics::MetricsTables
extend Gitlab::Utils::Override
delegate :label_based?, to: :class
def initialize(params)
@params = params
end
def self.name
raise NotImplementedError
end
def markdown_description
self.class.name
end
def self.identifier
raise NotImplementedError
end
def object_type
raise NotImplementedError
end
def hash_code
Digest::SHA256.hexdigest(self.class.identifier.to_s)
end
# Each StageEvent must expose a timestamp or a timestamp like expression in order to build a range query.
# Example: get me all the Issue records between start event end end event
def timestamp_projection
columns = column_list
columns.one? ? columns.first : Arel::Nodes::NamedFunction.new('COALESCE', columns)
end
# List of columns that are referenced in the `timestamp_projection` expression
# Example timestamp projection: COALESCE(issue_metrics.created_at, issue_metrics.updated_at)
# Expected column list: issue_metrics.created_at, issue_metrics.updated_at
def column_list
raise NotImplementedError
end
# Optionally a StageEvent may apply additional filtering or join other tables on the base query.
def apply_query_customization(query)
query
end
# rubocop: disable CodeReuse/ActiveRecord
def apply_negated_query_customization(query)
query.where(timestamp_projection.eq(nil))
end
# rubocop: enable CodeReuse/ActiveRecord
def include_in(query)
query
end
def self.label_based?
false
end
private
attr_reader :params
end
end
end
end
end
|
