feat(schema_conversion): add schema conversion for uuid type

Author: matthias-Q

pyiceberg/utils/schema_conversion.py

@@ -72,6 +72,7 @@
     ("timestamp-millis", "int"): TimestampType(),
     ("timestamp-micros", "long"): TimestampType(),
     ("uuid", "fixed"): UUIDType(),
+    ("uuid", "string"): UUIDType(),
 }
 
 AvroType = Union[str, Any]

tests/utils/test_schema_conversion.py

@@ -34,6 +34,7 @@
     StringType,
     StructType,
     TimestampType,
+    UUIDType,
     UnknownType,
 )
 from pyiceberg.utils.schema_conversion import AvroSchemaConversion
@@ -327,13 +328,21 @@ def test_convert_date_type() -> None:
     actual = AvroSchemaConversion()._convert_logical_type(avro_logical_type)
     assert actual == DateType()
 
+def test_convert_uuid_str_type() -> None:
+    avro_logical_type = {"type": "string", "logicalType": "uuid"}
+    actual = AvroSchemaConversion()._convert_logical_type(avro_logical_type)
+    assert actual == UUIDType()
+
+def test_convert_uuid_fixed_type() -> None:
+    avro_logical_type = {"type": "fixed", "logicalType": "uuid"}
+    actual = AvroSchemaConversion()._convert_logical_type(avro_logical_type)
+    assert actual == UUIDType()
 
 def test_convert_timestamp_millis_type() -> None:
     avro_logical_type = {"type": "int", "logicalType": "timestamp-millis"}
     actual = AvroSchemaConversion()._convert_logical_type(avro_logical_type)
     assert actual == TimestampType()
 
-
 def test_convert_timestamp_micros_type() -> None:
     avro_logical_type = {"type": "int", "logicalType": "timestamp-micros"}
     actual = AvroSchemaConversion()._convert_logical_type(avro_logical_type)