ihji commented on code in PR #17279:
URL: https://github.com/apache/beam/pull/17279#discussion_r844483370
##########
sdks/python/apache_beam/io/parquetio_test.py:
##########
@@ -109,6 +111,37 @@ def setUp(self):
('favorite_number', pa.timestamp('ns'), False),
('favorite_color', pa.string())])
+ self.RECORDS_NESTED = [{
+ 'items': [
+ {
+ 'name': 'Thomas',
+ 'favorite_number': 1,
+ 'favorite_color': 'blue'
+ },
+ {
+ 'name': 'Henry',
+ 'favorite_number': 3,
+ 'favorite_color': 'green'
+ },
+ ]
+ },
+ {
Review Comment:
Is this a correct indentation? Shouldn't this be the same level with the
previous `items`?
##########
sdks/python/apache_beam/io/parquetio_test.py:
##########
@@ -314,6 +348,28 @@ def test_sink_transform(self):
| Map(json.dumps)
assert_that(readback, equal_to([json.dumps(r) for r in self.RECORDS]))
+ def test_sink_transform_compliant_nested_type(self):
+ if ARROW_MAJOR_VERSION < 4:
+ return unittest.skip(
+ 'Writing with compliant nested type is only '
+ 'supported in pyarrow 4.x and above')
+ with TemporaryDirectory() as tmp_dirname:
+ path = os.path.join(tmp_dirname + 'tmp_filename')
+ with TestPipeline() as p:
+ _ = p \
+ | Create(self.RECORDS_NESTED) \
+ | WriteToParquet(
+ path, self.SCHEMA_NESTED, num_shards=1,
+ shard_name_template='', use_compliant_nested_type=True)
+ with TestPipeline() as p:
+ # json used for stable sortability
+ readback = \
+ p \
+ | ReadFromParquet(path) \
Review Comment:
Just for clarification, do we need additional `use_compliant_nested` option
only for the writer not for the reader? So do you plan to use the consumer
other than `ReadFromParquet`?
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