Fokko commented on code in PR #2154:
URL: https://github.com/apache/iceberg-python/pull/2154#discussion_r2809939430
##########
pyiceberg/catalog/bigquery_metastore.py:
##########
@@ -299,6 +303,16 @@ def register_table(self, identifier: str | Identifier,
metadata_location: str) -
return self.load_table(identifier=identifier)
+ def create_view(
+ self,
+ identifier: str | Identifier,
+ schema: Schema | pa.Schema,
+ view_version: ViewVersion,
+ location: str | None = None,
+ properties: Properties = EMPTY_DICT,
+ ) -> View:
+ raise NotImplementedError
Review Comment:
We could also move this one to the `MetastoreCatalog`
##########
pyiceberg/view/metadata.py:
##########
@@ -0,0 +1,94 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+from __future__ import annotations
+
+from typing import Literal
+
+from pydantic import Field, RootModel, field_validator
+
+from pyiceberg.schema import Schema
+from pyiceberg.typedef import IcebergBaseModel, Identifier, Properties
+from pyiceberg.typedef import ViewVersion as ViewVersionLiteral
+from pyiceberg.types import transform_dict_value_to_str
+
+
+class SQLViewRepresentation(IcebergBaseModel):
+ """Represents the SQL query that defines the view."""
+
+ type: Literal["sql"] = Field()
+ """A string that indicates the type of representation. Must be `sql`"""
+ sql: str = Field()
+ """A string that contains the SQL text of the view definition."""
+ dialect: str = Field()
+ """The dialect of the SQL, e.g. `spark`, `trino`, `presto`."""
+
+
+class ViewRepresentation(IcebergBaseModel, RootModel):
+ root: SQLViewRepresentation
+
+
+class ViewVersion(IcebergBaseModel):
+ """A version of the view definition."""
+
+ version_id: int = Field(alias="version-id")
+ """ID for the version"""
+ schema_id: int = Field(alias="schema-id")
+ """ID of the schema for the view version"""
+ timestamp_ms: int = Field(alias="timestamp-ms")
+ """Timestamp when the version was created (ms from epoch)"""
+ summary: dict[str, str] = Field()
+ """A string to string map of summary metadata about the version"""
+ representations: list[ViewRepresentation] = Field()
+ """A list of representations for the view definition"""
+ default_catalog: str | None = Field(alias="default-catalog", default=None)
+ """Catalog name to use when a reference in the SELECT does not contain a
catalog"""
+ default_namespace: Identifier = Field(alias="default-namespace")
+ """Namespace to use when a reference in the SELECT is a single
identifier"""
+
+
+class ViewHistoryEntry(IcebergBaseModel):
+ """A log entry of a view version change."""
+
+ timestamp_ms: int = Field(alias="timestamp-ms")
+ """Timestamp when the version was created (ms from epoch)"""
+ version_id: int = Field(alias="version-id")
+ """ID for the version"""
+
+
+class ViewMetadata(IcebergBaseModel):
+ """The metadata for a view."""
+
+ view_uuid: str = Field(alias="view-uuid")
+ """A UUID that identifies the view, generated when the view is created."""
+ format_version: ViewVersionLiteral = Field(alias="format-version", ge=1,
le=1)
+ """An integer version number for the view format; must be 1"""
+ location: str = Field()
+ """The view's base location; used to create metadata file locations"""
+ schemas: list[Schema] = Field()
+ """A list of known schemas"""
+ current_version_id: int = Field(alias="current-version-id")
+ """ID of the current version of the view (version-id)"""
+ versions: list[ViewVersion] = Field()
+ """A list of known versions of the view"""
+ version_log: list[ViewHistoryEntry] = Field(alias="version-log")
+ """A list of version log entries"""
+ properties: Properties = Field(default_factory=dict)
Review Comment:
`Properties` is `dict[str, Any]`, while the spec required `dict[str, str]`
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