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# frozen_string_literal: true
class RemoveIssueStateIndexes < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
# issues state column is ignored since 12.6 and will be removed on a following migration
def up
remove_concurrent_index_by_name :issues, 'index_issues_on_state'
remove_concurrent_index_by_name :issues, 'index_issues_on_project_id_and_created_at_and_id_and_state'
remove_concurrent_index_by_name :issues, 'idx_issues_on_project_id_and_due_date_and_id_and_state_partial'
remove_concurrent_index_by_name :issues, 'index_issues_on_project_id_and_rel_position_and_state_and_id'
remove_concurrent_index_by_name :issues, 'index_issues_on_project_id_and_updated_at_and_id_and_state'
end
def down
add_concurrent_index :issues, :state, name: 'index_issues_on_state'
add_concurrent_index :issues,
[:project_id, :created_at, :id, :state],
name: 'index_issues_on_project_id_and_created_at_and_id_and_state'
add_concurrent_index :issues,
[:project_id, :due_date, :id, :state],
where: 'due_date IS NOT NULL',
name: 'idx_issues_on_project_id_and_due_date_and_id_and_state_partial'
add_concurrent_index :issues,
[:project_id, :relative_position, :state, :id],
order: { id: :desc },
name: 'index_issues_on_project_id_and_rel_position_and_state_and_id'
add_concurrent_index :issues,
[:project_id, :updated_at, :id, :state],
name: 'index_issues_on_project_id_and_updated_at_and_id_and_state'
end
end
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