[
https://issues.apache.org/jira/browse/BEAM-4444?focusedWorklogId=167585&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-167585
]
ASF GitHub Bot logged work on BEAM-4444:
----------------------------------------
Author: ASF GitHub Bot
Created on: 20/Nov/18 01:17
Start Date: 20/Nov/18 01:17
Worklog Time Spent: 10m
Work Description: udim commented on a change in pull request #6763:
[BEAM-4444] Parquet IO for Python SDK
URL: https://github.com/apache/beam/pull/6763#discussion_r234824416
##########
File path: sdks/python/apache_beam/io/parquetio_test.py
##########
@@ -293,6 +393,45 @@ def test_split_points(self):
]
assert len(splits) == 1
+ source_test_utils.assert_split_at_fraction_exhaustive(
+ splits[0].source, splits[0].start_position, splits[0].stop_position
+ )
+
+ def test_min_bundle_size(self):
+ file_name = self._write_data(count=120, row_group_size=20)
+
+ source = _create_parquet_source(file_name, min_bundle_size=100*1024*1024)
+ splits = [
+ split for split in source.split(desired_bundle_size=1)
+ ]
+ self.assertEquals(len(splits), 1)
+
+ source = _create_parquet_source(file_name, min_bundle_size=0)
+ splits = [
+ split for split in source.split(desired_bundle_size=1)
+ ]
+ self.assertNotEquals(len(splits), 1)
+
+ def test_failing_type_conversion(self):
+ file_name = self._write_data(
+ count=120, row_group_size=20, schema=self.SCHEMA96)
+ source = _create_parquet_source(file_name)
+ try:
+ # pylint: disable=unused-variable
+ import pandas
Review comment:
I'm not comfortable with this, as this test will silently stop working if
pandas is ever included as a Beam dependency in the future. Could you fail the
test if the import succeeds? Example:
```py
with self.assertRaises(ImportError):
import pandas
with self.assertRaises(ValueError):
source_test_utils.read_from_source(source)
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 167585)
Time Spent: 10h 20m (was: 10h 10m)
> Parquet IO for Python SDK
> -------------------------
>
> Key: BEAM-4444
> URL: https://issues.apache.org/jira/browse/BEAM-4444
> Project: Beam
> Issue Type: New Feature
> Components: sdk-py-core
> Reporter: Bruce Arctor
> Assignee: Heejong Lee
> Priority: Major
> Time Spent: 10h 20m
> Remaining Estimate: 0h
>
> Add Parquet Support for the Python SDK.
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