benchmark/select-adbc-flight-sql.rb

#!/usr/bin/env ruby
#
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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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require "time"

require "adbc"

options = {
  "driver" => "adbc_driver_flightsql",
  "uri" => "grpc://127.0.0.1:15432",
  "username" => ENV["PGUSER"] || ENV["USER"],
  "password" => ENV["PGPASSWORD"] || "",
  "adbc.flight.sql.rpc.call_header.x-flight-sql-database" => "afs_benchmark",
}
ADBC::Database.open(**options) do |database|
  database.connect do |connection|
    connection.open_statement do |statement|
      before = Time.now
      _table, _n_rows_affected = statement.query("SELECT * FROM data")
      # p _table
      puts("%.3fsec" % (Time.now - before))
    end
  end
end