name: ad_groups
table: ad_groups
grain:
- ad_group_id
columns:
- name: ad_group_id
  type: number
- name: ad_campaign_id
  type: number
- name: name
  type: string
- name: status
  type: string
joins:
- to: ad_campaigns
  'on': ad_campaign_id = ad_campaigns.ad_campaign_id
  relationship: many_to_one