[
https://issues.apache.org/jira/browse/BEAM-6769?focusedWorklogId=257697&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-257697
]
ASF GitHub Bot logged work on BEAM-6769:
----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Jun/19 12:55
Start Date: 11/Jun/19 12:55
Worklog Time Spent: 10m
Work Description: Juta commented on pull request #8817: [BEAM-6769] allow
read None bytes
URL: https://github.com/apache/beam/pull/8817
bugfix when reading None values from bigquery
```
Traceback (most recent call last):
File
"/mnt/c/Users/Juta/Documents/02-projects/apache/beam/sdks/venv/lib/python3.5/site-packages/apache_beam/runners/direct/executor.py",
line 343, in call
finish_state)
File
"/mnt/c/Users/Juta/Documents/02-projects/apache/beam/sdks/venv/lib/python3.5/site-packages/apache_beam/runners/direct/executor.py",
line 383, in attempt_call
result = evaluator.finish_bundle()
File
"/mnt/c/Users/Juta/Documents/02-projects/apache/beam/sdks/venv/lib/python3.5/site-packages/apache_beam/runners/direct/transform_evaluator.py",
line 319, in finish_bundle
bundles = _read_values_to_bundles(reader)
File
"/mnt/c/Users/Juta/Documents/02-projects/apache/beam/sdks/venv/lib/python3.5/site-packages/apache_beam/runners/direct/transform_evaluator.py",
line 306, in _read_values_to_bundles
read_result = [GlobalWindows.windowed_value(e) for e in reader]
File
"/mnt/c/Users/Juta/Documents/02-projects/apache/beam/sdks/venv/lib/python3.5/site-packages/apache_beam/runners/direct/transform_evaluator.py",
line 306, in <listcomp>
read_result = [GlobalWindows.windowed_value(e) for e in reader]
File
"/mnt/c/Users/Juta/Documents/02-projects/apache/beam/sdks/venv/lib/python3.5/site-packages/apache_beam/io/gcp/bigquery_tools.py",
line 932, in __iter__
row.f[i].v.string_value = row.f[i].v.string_value.encode('utf-8')
AttributeError: 'NoneType' object has no attribute 'string_value'
```
Post-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
Lang | SDK | Apex | Dataflow | Flink | Gearpump | Samza | Spark
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Pre-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
--- |Java | Python | Go | Website
--- | --- | --- | --- | ---
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| --- | ---
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Issue Time Tracking
-------------------
Worklog Id: (was: 257697)
Time Spent: 20.5h (was: 20h 20m)
> BigQuery IO does not support bytes in Python 3
> ----------------------------------------------
>
> Key: BEAM-6769
> URL: https://issues.apache.org/jira/browse/BEAM-6769
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-py-core
> Reporter: Juta Staes
> Assignee: Juta Staes
> Priority: Blocker
> Fix For: 2.14.0
>
> Time Spent: 20.5h
> Remaining Estimate: 0h
>
> In Python 2 you could write bytes data to BigQuery. This is tested in
>
> [https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/gcp/big_query_query_to_table_it_test.py#L186]
> Python 3 does not support
> {noformat}
> json.dumps({'test': b'test'}){noformat}
> which is used to encode the data in
>
> [https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/gcp/bigquery_tools.py#L959]
>
> How should writing bytes to BigQuery be handled in Python 3?
> * Forbid writing bytes into BigQuery on Python 3
> * Guess the encoding (utf-8?)
> * Pass the encoding to BigQuery
> cc: [~tvalentyn]
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