pitrou commented on code in PR #47745:
URL: https://github.com/apache/arrow/pull/47745#discussion_r2416800606
##########
python/pyarrow/tests/parquet/test_parquet_writer.py:
##########
@@ -447,3 +447,41 @@ def
test_parquet_content_defined_chunking_parameters(tempdir):
# using min_chunk_size, max_chunk_size and norm_level
cdc_options = {"min_chunk_size": 32_768, "max_chunk_size": 65_536,
"norm_level": 1}
pq.write_table(table, path, use_content_defined_chunking=cdc_options)
+
+
[email protected]("time_type, time_unit", [
+ (pa.time32, "s"),
+ (pa.time32, "ms"),
+ (pa.time64, "us"),
+ (pa.time64, "ns"),
+])
[email protected]("utc_flag_val", [False, True])
+def test_arrow_writer_props_time_adjusted_to_utc(
+ tempdir,
+ utc_flag_val,
+ time_type,
+ time_unit,
+):
+ # GH-47441
+ filename = tempdir / "time_adjusted_to_utc.parquet"
+
+ time_values = [0, 123, 10_000, 100_000]
+
+ table = pa.table({
+ "time_col": pa.array(time_values, type=time_type(time_unit)),
+ })
+
+ schema = pa.schema([
+ ("time_col", time_type(time_unit)),
+ ])
+
+ with pq.ParquetWriter(
+ where=filename,
+ schema=schema,
+ use_time_adjusted_to_utc=utc_flag_val,
+ ) as writer:
+ writer.write_table(table)
+
+ result = pq.read_table(filename, schema=schema)
Review Comment:
Please let's validate the result.
```suggestion
result = pq.read_table(filename, schema=schema)
result.validate(full=True)
```
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