kevinjqliu commented on code in PR #289:
URL: https://github.com/apache/iceberg-python/pull/289#discussion_r1461251110
##########
pyiceberg/catalog/in_memory.py:
##########
@@ -0,0 +1,222 @@
+import uuid
+from typing import (
+ Dict,
+ List,
+ Optional,
+ Set,
+ Union,
+)
+
+from pyiceberg.catalog import (
+ Catalog,
+ Identifier,
+ Properties,
+ PropertiesUpdateSummary,
+)
+from pyiceberg.exceptions import (
+ NamespaceAlreadyExistsError,
+ NamespaceNotEmptyError,
+ NoSuchNamespaceError,
+ NoSuchTableError,
+ TableAlreadyExistsError,
+)
+from pyiceberg.io import WAREHOUSE
+from pyiceberg.partitioning import UNPARTITIONED_PARTITION_SPEC, PartitionSpec
+from pyiceberg.schema import Schema
+from pyiceberg.table import (
+ CommitTableRequest,
+ CommitTableResponse,
+ Table,
+ update_table_metadata,
+)
+from pyiceberg.table.metadata import new_table_metadata
+from pyiceberg.table.sorting import UNSORTED_SORT_ORDER, SortOrder
+from pyiceberg.typedef import EMPTY_DICT
+
+DEFAULT_WAREHOUSE_LOCATION = "file:///tmp/warehouse"
+
+
+class InMemoryCatalog(Catalog):
+ """An in-memory catalog implementation."""
+
+ __tables: Dict[Identifier, Table]
+ __namespaces: Dict[Identifier, Properties]
+
+ def __init__(self, name: str, **properties: str) -> None:
+ super().__init__(name, **properties)
+ self.__tables = {}
+ self.__namespaces = {}
+ self._warehouse_location = properties.get(WAREHOUSE, None) or
DEFAULT_WAREHOUSE_LOCATION
Review Comment:
can pass a warehouse location using properties. warehouse location can be
another fs such as s3
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