35 lines
1.1 KiB
Ruby
35 lines
1.1 KiB
Ruby
# frozen_string_literal: true
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class CreateIncidentManagementOncallShifts < ActiveRecord::Migration[6.0]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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def up
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unless table_exists?(:incident_management_oncall_shifts)
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with_lock_retries do
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create_table :incident_management_oncall_shifts do |t|
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t.references :rotation, null: false, foreign_key: { to_table: :incident_management_oncall_rotations, on_delete: :cascade }
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t.references :participant, null: false, foreign_key: { to_table: :incident_management_oncall_participants, on_delete: :cascade }
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t.datetime_with_timezone :starts_at, null: false
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t.datetime_with_timezone :ends_at, null: false
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end
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execute <<~SQL
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ALTER TABLE incident_management_oncall_shifts
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ADD CONSTRAINT inc_mgmnt_no_overlapping_oncall_shifts
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EXCLUDE USING gist
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( rotation_id WITH =,
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tstzrange(starts_at, ends_at, '[)') WITH &&
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)
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SQL
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end
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end
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end
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def down
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with_lock_retries do
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drop_table :incident_management_oncall_shifts
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end
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end
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end
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