maxdebayser commented on code in PR #7831:
URL: https://github.com/apache/iceberg/pull/7831#discussion_r1289036564
##########
python/tests/io/test_pyarrow.py:
##########
@@ -1345,3 +1374,655 @@ def test_pyarrow_wrap_fsspec(example_task:
FileScanTask, table_schema_simple: Sc
bar: [[1,2,3]]
baz: [[true,false,null]]"""
)
+
+
+def construct_test_table() -> Tuple[Any, Any, Union[TableMetadataV1,
TableMetadataV2]]:
+ table_metadata = {
+ "format-version": 2,
+ "location": "s3://bucket/test/location",
+ "last-column-id": 7,
+ "current-schema-id": 0,
+ "schemas": [
+ {
+ "type": "struct",
+ "schema-id": 0,
+ "fields": [
+ {"id": 1, "name": "strings", "required": False, "type":
"string"},
+ {"id": 2, "name": "floats", "required": False, "type":
"float"},
+ {
+ "id": 3,
+ "name": "list",
+ "required": False,
+ "type": {"type": "list", "element-id": 5, "element":
"long", "element-required": False},
+ },
+ {
+ "id": 4,
+ "name": "maps",
+ "required": False,
+ "type": {
+ "type": "map",
+ "key-id": 6,
+ "key": "long",
+ "value-id": 7,
+ "value": "long",
+ "value-required": False,
+ },
+ },
+ ],
+ },
+ ],
+ "default-spec-id": 0,
+ "partition-specs": [{"spec-id": 0, "fields": []}],
+ "properties": {},
+ }
+
+ table_metadata = TableMetadataUtil.parse_obj(table_metadata)
+ arrow_schema = schema_to_pyarrow(table_metadata.schemas[0])
+
+ _strings = ["zzzzzzzzzzzzzzzzzzzz", "rrrrrrrrrrrrrrrrrrrr", None,
"aaaaaaaaaaaaaaaaaaaa"]
+
+ _floats = [3.14, math.nan, 1.69, 100]
+
+ _list = [[1, 2, 3], [4, 5, 6], None, [7, 8, 9]]
+
+ _maps: List[Optional[Dict[int, int]]] = [
+ {1: 2, 3: 4},
+ None,
+ {5: 6},
+ {},
+ ]
+
+ table = pa.Table.from_pydict(
Review Comment:
I've added a struct now. The value_counts and counts are a little bit weird,
but they make more sense than for the lists.
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