rdblue commented on code in PR #5447:
URL: https://github.com/apache/iceberg/pull/5447#discussion_r939691429
##########
python/pyiceberg/catalog/hive.py:
##########
@@ -159,16 +156,56 @@ def _construct_parameters(metadata_location: str,
previous_metadata_location: Op
def _annotate_namespace(database: HiveDatabase, properties: Properties) ->
HiveDatabase:
params = {}
for key, value in properties.items():
- if key == "comment":
+ if key == COMMENT:
database.description = value
- elif key == "location":
+ elif key == LOCATION:
database.locationUri = value
else:
params[key] = value
database.parameters = params
return database
+hive_primitive_types = {
+ BooleanType: "boolean",
+ IntegerType: "int",
+ LongType: "bigint",
+ FloatType: "float",
+ DoubleType: "double",
+ DateType: "date",
+ TimeType: "string",
+ TimestampType: "timestamp",
+ StringType: "string",
+ UUIDType: "string",
+ BinaryType: "binary",
+ FixedType: "binary",
+}
+
+
+class HiveSchemaConstructor(SchemaVisitor[str]):
+ def schema(self, schema: Schema, struct_result: str) -> str:
+ return struct_result
+
+ def struct(self, struct: StructType, field_results: List[str]) -> str:
+ return f"struct<{', '.join(field_results)}>"
+
+ def field(self, field: NestedField, field_result: str) -> str:
+ return f"{field.name}: {field_result}"
Review Comment:
I'm not sure that there can be a space here. The Java converter doesn't have
a space and I seem to remember Hive expecting a certain format in some cases.
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