23 lines
727 B
Ruby
23 lines
727 B
Ruby
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# frozen_string_literal: true
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class ChangePrometheusMetricsIdentifierIndex < ActiveRecord::Migration[6.0]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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NEW_INDEX = :index_prometheus_metrics_on_identifier_and_null_project
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OLD_INDEX = :index_prometheus_metrics_on_identifier
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disable_ddl_transaction!
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def up
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add_concurrent_index :prometheus_metrics, :identifier, name: NEW_INDEX, unique: true, where: 'project_id IS NULL'
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remove_concurrent_index_by_name :prometheus_metrics, OLD_INDEX
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end
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def down
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add_concurrent_index :prometheus_metrics, :identifier, name: OLD_INDEX, unique: true
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remove_concurrent_index_by_name :prometheus_metrics, NEW_INDEX
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end
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end
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