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# frozen_string_literal: true
module Gitlab
module Database
class PgClass < ActiveRecord::Base
self.table_name = 'pg_class'
def self.for_table(relname)
joins("LEFT JOIN pg_stat_user_tables ON pg_stat_user_tables.relid = pg_class.oid")
.where('schemaname = current_schema()')
.find_by(relname: relname)
end
def cardinality_estimate
tuples = reltuples.to_i
return if tuples < 1
tuples
end
end
end
end
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