graphql-engine/docs/examples_schema_migrations/1531128195815_run_sql_migration.up.yaml

- args:
    sql: |-
      CREATE VIEW author_average_rating AS
      SELECT author.id, avg(article.rating)
      From author, article
      WHERE author.id = article.author_id
      GROUP BY author.id
  type: run_sql
- args:
    name: author_average_rating
  type: add_existing_table_or_view