You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: 20170606195827_add_owner_name_to_user_contributions.rb
    path of file: ./repos/catarse/db/migrate
    
    the code of the file until where you have to start completion: class AddOwnerNameToUserContributions < ActiveRecord::Migration
  def change
    execute <<-SQL
    create or replace view "1".user_contributions as
SELECT pa.id,
    c.id AS contribution_id,
    pa.id AS payment_id,
    c.user_id,
    c.project_id,
    c.reward_id,
    p.permalink,
    p.name AS project_name,
    thumbnail_image(p.*) AS project_img,
    zone_timestamp(online_at(p.*)) AS project_online_date,
    zone_timestamp(p.expires_at) AS project_expires_at,
    p.state AS project_state,
    u.name AS user_name,
    thumbnail_image(u.*) AS user_profile_img,
    u.email,
    c.anonymous,
    c.payer_email,
    pa.key,
    pa.value,
    pa.installments,
    pa.installment_value,
    pa.state,
    is_second_slip(pa.*) AS is_second_slip,
    pa.gateway,
    pa.gateway_id,
    pa.gateway_fee,
    pa.gateway_data,
    pa.payment_method,
    zone_timestamp(pa.created_at) AS created_at,
    zone_timestamp(pa.created_at) AS pending_at,
    zone_timestamp(pa.paid_at) AS paid_at,
    zone_timestamp(pa.refused_at) AS refused_at,
    zone_timestamp(pa.pending_refund_at) AS pending_refund_at,
    zone_timestamp(pa.refunded_at) AS refunded_at,
    zone_timestamp(pa.deleted_at) AS deleted_at,
    zone_timestamp(pa.chargeback_at) AS chargeback_at,
    pa.full_text_index,
    waiting_payment(pa.*) AS waiting_payment,
    (EXISTS ( SELECT true AS bool
           FROM unsubscribes un
          WHERE un.pro
    
  def change
    execute <<-SQL
    create or replace view "1".user_contributions as
SELECT pa.id,
    c.id AS contribution_id,
    pa.id AS payment_id,
    c.user_id,
    c.project_id,
    c.reward_id,
    p.permalink,
    p.name AS project_name,
    thumbnail_image(p.*) AS project_img,
    zone_timestamp(online_at(p.*)) AS project_online_date,
    zone_timestamp(p.expires_at) AS project_expires_at,
    p.state AS project_state,
    u.name AS user_name,
    thumbnail_image(u.*) AS user_profile_img,
    u.email,
    c.anonymous,
    c.payer_email,
    pa.key,
    pa.value,
    pa.installments,
    pa.installment_value,
    pa.state,
    is_second_slip(pa.*) AS is_second_slip,
    pa.gateway,
    pa.gateway_id,
    pa.gateway_fee,
    pa.gateway_data,
    pa.payment_method,
    zone_timestamp(pa.created_at) AS created_at,
    zone_timestamp(pa.created_at) AS pending_at,
    zone_timestamp(pa.paid_at) AS paid_at,
    zone_timestamp(pa.refused_at) AS refused_at,
    zone_timestamp(pa.pending_refund_at) AS pending_refund_at,
    zone_timestamp(pa.refunded_at) AS refunded_at,
    zone_timestamp(pa.deleted_at) AS deleted_at,
    zone_timestamp(pa.chargeback_at) AS chargeback_at,
    pa.full_text_index,
    waiting_payment(pa.*) AS waiting_payment,
    (EXISTS ( SELECT true AS bool
           FROM unsubscribes un
          WHERE un.project_id = c.project_id AND un.user_id = u.id)) AS unsubscribed,
    r.description AS reward_description,
    r.deliver_at,
    thumbnail_image(p.*, ''::text) AS project_image,
    sold_out(r.*) AS reward_sold_out,
    u.public_name,
    c.delivery_status,
    c.reward_sent_at,
    r.title AS reward_title,
    p.user_id as project_user_id,
    (SELECT COALESCE(public_name, name) from users u where u.id = p.user_id) as project_owner_name,
    row_to_json(su.*) as survey
   FROM projects p
     JOIN contributions c ON c.project_id = p.id
     JOIN payments pa ON c.id = pa.contribution_id
     JOIN users u ON c.user_id = u.id
     LEFT JOIN rewards r ON r.id = c.reward_id
     LEFT JOIN "1".surveys su on su.contribution_id = c.id
  WHERE is_owner_or_admin(c.user_id);
    SQL
  end