0fc9f9d3e7
DB schema generated by a migration may look different in rails 4 and 5 (because rails 5 may use different default values). For this reason it's important to explicitly set for which rails version a migration was written for. See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912
18 lines
576 B
Ruby
18 lines
576 B
Ruby
class AddMergeRequestStateIndex < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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disable_ddl_transaction!
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def up
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add_concurrent_index :merge_requests, [:source_project_id, :source_branch],
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where: "state = 'opened'",
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name: 'index_merge_requests_on_source_project_and_branch_state_opened'
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end
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def down
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remove_concurrent_index_by_name :merge_requests,
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'index_merge_requests_on_source_project_and_branch_state_opened'
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end
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end
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