https://docs.cloud.google.com/ruby/docs/reference/google-cloud-bigquery-migration-v2/latest/Google-Cloud-Bigquery-Migration-V2-VerticaDialect
BigQuery Migration V2 API - Class Google::Cloud::Bigquery::Migration::V2::VerticaDialect (v0.20.0)...
google cloudbigquerymigrationapiclass