google-cloud-bigquery - Class Google::Cloud::Bigquery::StandardSql::StructType (v1.38.1)

Reference documentation and code samples for the google-cloud-bigquery class Google::Cloud::Bigquery::StandardSql::StructType.

The fields of a STRUCT type. See DataType#struct_type. See Routine and Argument.

Inherits

  • Object

Example

require "google/cloud/bigquery"

bigquery = Google::Cloud::Bigquery.new
dataset = bigquery.dataset "my_dataset"
routine = dataset.create_routine "my_routine" do |r|
  r.routine_type = "SCALAR_FUNCTION"
  r.language = :SQL
  r.body = "(SELECT SUM(IF(elem.name = \"foo\",elem.val,null)) FROM UNNEST(arr) AS elem)"
  r.arguments = [
    Google::Cloud::Bigquery::Argument.new(
      name: "arr",
      argument_kind: "FIXED_TYPE",
      data_type: Google::Cloud::Bigquery::StandardSql::DataType.new(
        type_kind: "ARRAY",
        array_element_type: Google::Cloud::Bigquery::StandardSql::DataType.new(
          type_kind: "STRUCT",
          struct_type: Google::Cloud::Bigquery::StandardSql::StructType.new(
            fields: [
              Google::Cloud::Bigquery::StandardSql::Field.new(
                name: "name",
                type: Google::Cloud::Bigquery::StandardSql::DataType.new(type_kind: "STRING")
              ),
              Google::Cloud::Bigquery::StandardSql::Field.new(
                name: "val",
                type: Google::Cloud::Bigquery::StandardSql::DataType.new(type_kind: "INT64")
              )
            ]
          )
        )
      )
    )
  ]
end

Methods

#fields

def fields() -> Array<Field>

The fields of the struct.

Returns
  • (Array<Field>) — A frozen array of fields.

#initialize

def initialize(fields) -> StructType

Creates a new, immutable StandardSql::StructType object.

Overloads 
def initialize(fields) -> StructType
Creates a new, immutable StandardSql::StructType object.
Parameter
  • fields (Array<Field>) — The fields of the struct. Required.
Returns