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# frozen_string_literal: true
module Gitlab
module Analytics
module CycleAnalytics
module Aggregated
module StageQueryHelpers
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 duration
if in_progress?
Arel::Nodes::Subtraction.new(
Arel::Nodes::NamedFunction.new('TO_TIMESTAMP', [Time.current.to_i]),
query.model.arel_table[:start_event_timestamp]
)
else
Arel::Nodes::Subtraction.new(
query.model.arel_table[:end_event_timestamp],
query.model.arel_table[:start_event_timestamp]
)
end
end
def median_duration_in_seconds
Arel::Nodes::Extract.new(percentile_cont, :epoch)
end
def in_progress?
params[:end_event_filter] == :in_progress
end
end
end
end
end
end
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