kevinjqliu commented on code in PR #1345:
URL: https://github.com/apache/iceberg-python/pull/1345#discussion_r1896992186
##########
tests/integration/test_writes/test_partitioned_writes.py:
##########
@@ -719,50 +719,105 @@ def test_invalid_arguments(spark: SparkSession,
session_catalog: Catalog) -> Non
@pytest.mark.parametrize(
"spec",
[
- # mixed with non-identity is not supported
- (
- PartitionSpec(
- PartitionField(source_id=4, field_id=1001,
transform=BucketTransform(2), name="int_bucket"),
- PartitionField(source_id=1, field_id=1002,
transform=IdentityTransform(), name="bool"),
- )
- ),
- # none of non-identity is supported
- (PartitionSpec(PartitionField(source_id=4, field_id=1001,
transform=BucketTransform(2), name="int_bucket"))),
- (PartitionSpec(PartitionField(source_id=5, field_id=1001,
transform=BucketTransform(2), name="long_bucket"))),
- (PartitionSpec(PartitionField(source_id=10, field_id=1001,
transform=BucketTransform(2), name="date_bucket"))),
- (PartitionSpec(PartitionField(source_id=8, field_id=1001,
transform=BucketTransform(2), name="timestamp_bucket"))),
- (PartitionSpec(PartitionField(source_id=9, field_id=1001,
transform=BucketTransform(2), name="timestamptz_bucket"))),
- (PartitionSpec(PartitionField(source_id=2, field_id=1001,
transform=BucketTransform(2), name="string_bucket"))),
- (PartitionSpec(PartitionField(source_id=12, field_id=1001,
transform=BucketTransform(2), name="fixed_bucket"))),
- (PartitionSpec(PartitionField(source_id=11, field_id=1001,
transform=BucketTransform(2), name="binary_bucket"))),
(PartitionSpec(PartitionField(source_id=4, field_id=1001,
transform=TruncateTransform(2), name="int_trunc"))),
(PartitionSpec(PartitionField(source_id=5, field_id=1001,
transform=TruncateTransform(2), name="long_trunc"))),
(PartitionSpec(PartitionField(source_id=2, field_id=1001,
transform=TruncateTransform(2), name="string_trunc"))),
- (PartitionSpec(PartitionField(source_id=11, field_id=1001,
transform=TruncateTransform(2), name="binary_trunc"))),
],
)
-def test_unsupported_transform(
- spec: PartitionSpec, spark: SparkSession, session_catalog: Catalog,
arrow_table_with_null: pa.Table
+@pytest.mark.parametrize("format_version", [1, 2])
+def test_truncate_transform(
+ spec: PartitionSpec,
+ spark: SparkSession,
+ session_catalog: Catalog,
+ arrow_table_with_null: pa.Table,
+ format_version: int,
) -> None:
- identifier = "default.unsupported_transform"
+ identifier = "default.truncate_transform"
try:
session_catalog.drop_table(identifier=identifier)
except NoSuchTableError:
pass
- tbl = session_catalog.create_table(
+ tbl = _create_table(
+ session_catalog=session_catalog,
identifier=identifier,
- schema=TABLE_SCHEMA,
+ properties={"format-version": str(format_version)},
+ data=[arrow_table_with_null],
partition_spec=spec,
- properties={"format-version": "1"},
)
- with pytest.raises(
- ValueError,
- match="Not all partition types are supported for writes. Following
partitions cannot be written using pyarrow: *",
- ):
- tbl.append(arrow_table_with_null)
+ assert tbl.format_version == format_version, f"Expected v{format_version},
got: v{tbl.format_version}"
+ df = spark.table(identifier)
+ assert df.count() == 3, f"Expected 3 total rows for {identifier}"
+ for col in arrow_table_with_null.column_names:
+ assert df.where(f"{col} is not null").count() == 2, f"Expected 2
non-null rows for {col}"
+ assert df.where(f"{col} is null").count() == 1, f"Expected 1 null row
for {col} is null"
+
+ assert tbl.inspect.partitions().num_rows == 3
+ files_df = spark.sql(
+ f"""
+ SELECT *
+ FROM {identifier}.files
+ """
+ )
+ assert files_df.count() == 3
+
+
+@pytest.mark.integration
+@pytest.mark.parametrize(
+ "spec, expected_rows",
+ [
+ # none of non-identity is supported
Review Comment:
```suggestion
```
##########
tests/test_transforms.py:
##########
@@ -1563,3 +1561,43 @@ def test_ymd_pyarrow_transforms(
else:
with pytest.raises(ValueError):
transform.pyarrow_transform(DateType())(arrow_table_date_timestamps[source_col])
+
+
+@pytest.mark.parametrize(
+ "source_type, input_arr, expected, num_buckets",
+ [
+ (IntegerType(), pa.array([1, 2]), pa.array([6, 2], type=pa.int32()),
10),
+ (
+ IntegerType(),
+ pa.chunked_array([pa.array([1, 2]), pa.array([3, 4])]),
+ pa.chunked_array([pa.array([6, 2], type=pa.int32()), pa.array([5,
0], type=pa.int32())]),
+ 10,
+ ),
+ (IntegerType(), pa.array([1, 2]), pa.array([6, 2], type=pa.int32()),
10),
+ ],
+)
+def test_bucket_pyarrow_transforms(
+ source_type: PrimitiveType,
+ input_arr: Union[pa.Array, pa.ChunkedArray],
+ expected: Union[pa.Array, pa.ChunkedArray],
+ num_buckets: int,
Review Comment:
nit: wydt of reordering these for readability? `num_buckets`, `source_type`
and `input_arr` are configs of the BucketTransform; expected is the output
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