Pablo Estrada created BEAM-6611:
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Summary: A Python Sink for BigQuery with File Loads in Streaming
Key: BEAM-6611
URL: https://issues.apache.org/jira/browse/BEAM-6611
Project: Beam
Issue Type: Improvement
Components: sdk-py-core
Reporter: Pablo Estrada
Assignee: Ahmet Altay
The Java SDK supports a bunch of methods for writing data into BigQuery, while
the Python SDK supports the following:
- Streaming inserts for streaming pipelines [As seen in [bigquery.py and
BigQueryWriteFn|https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/gcp/bigquery.py#L649-L813]]
- File loads for batch pipelines [As implemented in [PR
7655|https://github.com/apache/beam/pull/7655]]
The Java SDK also supports File Loads for Streaming pipelines [see BatchLoads
application|https://github.com/apache/beam/blob/master/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryIO.java#L1709-L1776].
File loads have the advantage of being much cheaper than streaming inserts
(although they also are slower for the records to show up in the table).
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