github.com/apache/beam/sdks/v2@v2.48.2/python/apache_beam/testing/benchmarks/nexmark/queries/query2.py (about)

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     9  #    http://www.apache.org/licenses/LICENSE-2.0
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    17  
    18  """
    19  Query 2: Find bids with specific auction ids and show their bid price
    20  
    21  This query selects Bids that have a particular auctiuon id, and output their
    22  auction id with bid price.
    23  It illustrates a simple filter.
    24  """
    25  
    26  # pytype: skip-file
    27  
    28  import apache_beam as beam
    29  from apache_beam.testing.benchmarks.nexmark.queries import nexmark_query_util
    30  from apache_beam.testing.benchmarks.nexmark.queries.nexmark_query_util import ResultNames
    31  
    32  
    33  def load(events, metadata=None, pipeline_options=None):
    34    return (
    35        events
    36        | nexmark_query_util.JustBids()
    37        | 'filter_by_skip' >>
    38        beam.Filter(lambda bid: bid.auction % metadata.get('auction_skip') == 0)
    39        | 'project' >> beam.Map(
    40            lambda bid: {
    41                ResultNames.AUCTION_ID: bid.auction, ResultNames.PRICE: bid.price
    42            }))