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https://issues.apache.org/jira/browse/BEAM-10917?focusedWorklogId=662333&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-662333
]
ASF GitHub Bot logged work on BEAM-10917:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Oct/21 23:36
Start Date: 07/Oct/21 23:36
Worklog Time Spent: 10m
Work Description: tvalentyn commented on a change in pull request #15185:
URL: https://github.com/apache/beam/pull/15185#discussion_r724334552
##########
File path: sdks/python/apache_beam/io/gcp/bigquery.py
##########
@@ -1841,15 +2120,29 @@ class ReadFromBigQuery(PTransform):
on GCS, and then reads from each produced file. File format is Avro by
default.
+ .. warning::
+ DATETIME columns are parsed as strings in the fastavro library. As a
+ result, such columns will be converted to Python strings instead of
native
+ Python DATETIME types.
+
Args:
+ method: The method to use to read from BigQuery. It may be EXPORT or
+ DIRECT_READ. EXPORT invokes a BigQuery export request
+ (https://cloud.google.com/bigquery/docs/exporting-data). DIRECT_READ
reads
+ directly from BigQuery storage using the BigQuery Read API
+ (https://cloud.google.com/bigquery/docs/reference/storage). If
+ unspecified, the default is currently EXPORT.
+ use_fastavro_for_direct_read (bool): If method is `DIRECT_READ` and
Review comment:
https://issues.apache.org/jira/browse/BEAM-13016 to remove avro-python3
dependency from Beam.
##########
File path: sdks/python/apache_beam/io/gcp/bigquery.py
##########
@@ -1841,15 +2120,29 @@ class ReadFromBigQuery(PTransform):
on GCS, and then reads from each produced file. File format is Avro by
default.
+ .. warning::
+ DATETIME columns are parsed as strings in the fastavro library. As a
+ result, such columns will be converted to Python strings instead of
native
+ Python DATETIME types.
+
Args:
+ method: The method to use to read from BigQuery. It may be EXPORT or
+ DIRECT_READ. EXPORT invokes a BigQuery export request
+ (https://cloud.google.com/bigquery/docs/exporting-data). DIRECT_READ
reads
+ directly from BigQuery storage using the BigQuery Read API
+ (https://cloud.google.com/bigquery/docs/reference/storage). If
+ unspecified, the default is currently EXPORT.
+ use_fastavro_for_direct_read (bool): If method is `DIRECT_READ` and
Review comment:
Filed https://issues.apache.org/jira/browse/BEAM-13016 to remove
avro-python3 dependency from Beam.
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Issue Time Tracking
-------------------
Worklog Id: (was: 662333)
Time Spent: 41h (was: 40h 50m)
> Implement a BigQuery bounded source using the BigQuery storage API
> ------------------------------------------------------------------
>
> Key: BEAM-10917
> URL: https://issues.apache.org/jira/browse/BEAM-10917
> Project: Beam
> Issue Type: New Feature
> Components: io-py-gcp
> Reporter: Kenneth Jung
> Assignee: Vachan Shetty
> Priority: P3
> Time Spent: 41h
> Remaining Estimate: 0h
>
> The Java SDK contains a bounded source implementation which uses the BigQuery
> storage API to read from BigQuery. We should implement the same for Python.
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