Custom schema for data contracts (supporting BigQuery types)

schema.yaml

fields:
  - name: _string
    type: string
  - name: _bytes
    type: bytes
  - name: _integer
    type: integer
  - name: _int64
    type: integer
  - name: _float64
    type: float
  - name: _bool
    type: boolean
  - name: _timestamp
    type: timestamp
  - name: _date
    type: date
  - name: _time
    type: time
  - name: _datetime
    type: datetime
  - name: _numeric
    type: numeric
  - name: _bignumeric
    type: bignumeric
  - name: _struct1
    type:
      fields:
        - name: a
          type: integer
        - name: b
          type: string
  - name: _struct2
    type:
      fields:
        - name: a
          type: integer
        - name: b
          type:
            fields:
              - name: a
                type: integer
              - name: b
                type: string
  - name: _array_int
    type: integer
    repeated: yes
  - name: _array_string
    type: string
    repeated: yes
  - name: _array_struct
    type:
      fields:
        - name: a
          type: integer
        - name: b
          type: string
    repeated: yes