debian-mirror-gitlab/lib/gitlab/usage_data_queries.rb
2021-02-22 17:27:13 +05:30

43 lines
1.4 KiB
Ruby

# frozen_string_literal: true
module Gitlab
# This class is used by the `gitlab:usage_data:dump_sql` rake tasks to output SQL instead of running it.
# See https://gitlab.com/gitlab-org/gitlab/-/merge_requests/41091
class UsageDataQueries < UsageData
class << self
def count(relation, column = nil, *rest)
raw_sql(relation, column)
end
def distinct_count(relation, column = nil, *rest)
raw_sql(relation, column, :distinct)
end
def redis_usage_data(counter = nil, &block)
if block_given?
{ redis_usage_data_block: block.to_s }
elsif counter.present?
{ redis_usage_data_counter: counter }
end
end
def sum(relation, column, *rest)
relation.select(relation.all.table[column].sum).to_sql
end
# For estimated distinct count use exact query instead of hll
# buckets query, because it can't be used to obtain estimations without
# supplementary ruby code present in Gitlab::Database::PostgresHll::BatchDistinctCounter
def estimate_batch_distinct_count(relation, column = nil, *rest)
raw_sql(relation, column, :distinct)
end
private
def raw_sql(relation, column, distinct = nil)
column ||= relation.primary_key
relation.select(relation.all.table[column].count(distinct)).to_sql
end
end
end
end