- description: Add a computed field for author table
  url: /v1/query
  status: 200
  query:
    type: add_computed_field
    args:
      table: author
      name: get_articles
      definition:
        function: fetch_articles
        table_argument: author_row
  response:
    message: success

- description: Drop computed field of a non existed table
  url: /v1/query
  status: 400
  query:
    type: drop_computed_field
    args:
      table: random
      name: get_articles
  response:
    path: "$.args.table"
    error: table "random" does not exist
    code: not-exists

- description: Drop a non existed computed field
  url: /v1/query
  status: 400
  query:
    type: drop_computed_field
    args:
      table: author
      name: random
  response:
    path: "$.args.name"
    error: computed field "random" does not exist
    code: not-exists

- description: Drop a valid computed field
  url: /v1/query
  status: 200
  query:
    type: drop_computed_field
    args:
      table: author
      name: get_articles
  response:
    message: success