43 lines
1.3 KiB
Ruby
43 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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class MigrateSnippetsAccessLevelDefaultValue < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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ENABLED = 20
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disable_ddl_transaction!
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class ProjectFeature < ActiveRecord::Base
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include EachBatch
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self.table_name = 'project_features'
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end
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def up
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change_column_default :project_features, :snippets_access_level, ENABLED
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# On GitLab.com this will update about 28 000 rows. Since our updates are
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# very small and this column is not indexed, these updates should be very
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# lightweight.
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ProjectFeature.where(snippets_access_level: nil).each_batch do |batch|
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batch.update_all(snippets_access_level: ENABLED)
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end
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# We do not need to perform this in a post-deployment migration as the
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# ProjectFeature model already enforces a default value for all new rows.
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change_column_null :project_features, :snippets_access_level, false
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end
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def down
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change_column_null :project_features, :snippets_access_level, true
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change_column_default :project_features, :snippets_access_level, nil
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# We can't migrate from 20 -> NULL, as some projects may have explicitly set
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# the access level to 20.
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end
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end
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