43 lines
1.6 KiB
Ruby
43 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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module Analytics
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module CycleAnalytics
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class StageEventHash < ApplicationRecord
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has_many :cycle_analytics_project_stages, class_name: 'Analytics::CycleAnalytics::ProjectStage', inverse_of: :stage_event_hash
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validates :hash_sha256, presence: true
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# Creates or queries the id of the corresponding stage event hash code
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def self.record_id_by_hash_sha256(hash)
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casted_hash_code = Arel::Nodes.build_quoted(hash, Analytics::CycleAnalytics::StageEventHash.arel_table[:hash_sha256]).to_sql
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# Atomic, safe insert without retrying
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query = <<~SQL
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WITH insert_cte AS #{Gitlab::Database::AsWithMaterialized.materialized_if_supported} (
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INSERT INTO #{quoted_table_name} (hash_sha256) VALUES (#{casted_hash_code}) ON CONFLICT DO NOTHING RETURNING ID
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)
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SELECT ids.id FROM (
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(SELECT id FROM #{quoted_table_name} WHERE hash_sha256=#{casted_hash_code} LIMIT 1)
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UNION ALL
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(SELECT id FROM insert_cte LIMIT 1)
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) AS ids LIMIT 1
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SQL
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connection.execute(query).first['id']
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end
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def self.cleanup_if_unused(id)
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unused_hashes_for(id)
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.where(id: id)
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.delete_all
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end
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def self.unused_hashes_for(id)
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exists_query = Analytics::CycleAnalytics::ProjectStage.where(stage_event_hash_id: id).select('1').limit(1)
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where.not('EXISTS (?)', exists_query)
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end
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end
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end
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end
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Analytics::CycleAnalytics::StageEventHash.prepend_mod_with('Analytics::CycleAnalytics::StageEventHash')
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