86 lines
2.6 KiB
Ruby
86 lines
2.6 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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# This class is used by the `gitlab:usage_data:dump_sql` rake tasks to output SQL instead of running it.
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# See https://gitlab.com/gitlab-org/gitlab/-/merge_requests/41091
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class UsageDataQueries < UsageData
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class << self
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def count(relation, column = nil, *args, **kwargs)
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raw_sql(relation, column)
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end
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def distinct_count(relation, column = nil, *args, **kwargs)
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raw_sql(relation, column, :distinct)
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end
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def redis_usage_data(counter = nil, &block)
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if block_given?
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{ redis_usage_data_block: block.to_s }
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elsif counter.present?
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{ redis_usage_data_counter: counter }
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end
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end
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def sum(relation, column, *args, **kwargs)
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relation.select(relation.all.table[column].sum).to_sql
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def histogram(relation, column, buckets:, bucket_size: buckets.size)
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count_grouped = relation.group(column).select(Arel.star.count.as('count_grouped'))
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cte = Gitlab::SQL::CTE.new(:count_cte, count_grouped)
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bucket_segments = bucket_size - 1
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width_bucket = Arel::Nodes::NamedFunction
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.new('WIDTH_BUCKET', [cte.table[:count_grouped], buckets.first, buckets.last, bucket_segments])
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.as('buckets')
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query = cte
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.table
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.project(width_bucket, cte.table[:count])
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.group('buckets')
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.order('buckets')
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.with(cte.to_arel)
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query.to_sql
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# For estimated distinct count use exact query instead of hll
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# buckets query, because it can't be used to obtain estimations without
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# supplementary ruby code present in Gitlab::Database::PostgresHll::BatchDistinctCounter
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def estimate_batch_distinct_count(relation, column = nil, *args, **kwargs)
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raw_sql(relation, column, :distinct)
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end
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def add(*args)
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'SELECT ' + args.map {|arg| "(#{arg})" }.join(' + ')
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end
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def maximum_id(model, column = nil)
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end
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def minimum_id(model, column = nil)
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end
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def jira_service_data
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{
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projects_jira_server_active: 0,
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projects_jira_cloud_active: 0
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}
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end
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def epics_deepest_relationship_level
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{ epics_deepest_relationship_level: 0 }
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end
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private
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def raw_sql(relation, column, distinct = nil)
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column ||= relation.primary_key
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relation.select(relation.all.table[column].count(distinct)).to_sql
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end
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end
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end
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end
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