35 lines
1.6 KiB
Ruby
35 lines
1.6 KiB
Ruby
# 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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# rubocop:disable RemoveIndex
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class RemoveUnnecessaryIndexes < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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disable_ddl_transaction!
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DOWNTIME = false
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def up
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remove_index :labels, column: :group_id if index_exists?(:labels, :group_id)
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remove_index :award_emoji, column: :user_id if index_exists?(:award_emoji, :user_id)
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remove_index :ci_builds, column: :commit_id if index_exists?(:ci_builds, :commit_id)
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remove_index :deployments, column: :project_id if index_exists?(:deployments, :project_id)
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remove_index :deployments, column: %w(project_id environment_id) if index_exists?(:deployments, %w(project_id environment_id))
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remove_index :lists, column: :board_id if index_exists?(:lists, :board_id)
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remove_index :milestones, column: :project_id if index_exists?(:milestones, :project_id)
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remove_index :notes, column: :project_id if index_exists?(:notes, :project_id)
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remove_index :users_star_projects, column: :user_id if index_exists?(:users_star_projects, :user_id)
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end
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def down
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add_concurrent_index :labels, :group_id
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add_concurrent_index :award_emoji, :user_id
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add_concurrent_index :ci_builds, :commit_id
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add_concurrent_index :deployments, :project_id
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add_concurrent_index :deployments, %w(project_id environment_id)
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add_concurrent_index :lists, :board_id
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add_concurrent_index :milestones, :project_id
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add_concurrent_index :notes, :project_id
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add_concurrent_index :users_star_projects, :user_id
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end
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end
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