singhpk234 commented on code in PR #6034: URL: https://github.com/apache/iceberg/pull/6034#discussion_r1008612703
########## python/pyiceberg/catalog/glue.py: ########## @@ -0,0 +1,453 @@ +# 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. + + +import uuid +from typing import ( + Any, + Dict, + List, + Optional, + Set, + Union, +) + +import boto3 + +from pyiceberg.catalog import ( + Catalog, + Identifier, + Properties, + PropertiesUpdateSummary, +) +from pyiceberg.catalog.base import ( + ICEBERG, + METADATA_LOCATION, + TABLE_TYPE, + WAREHOUSE, +) +from pyiceberg.exceptions import ( + NamespaceAlreadyExistsError, + NamespaceNotEmptyError, + NoSuchIcebergTableError, + NoSuchNamespaceError, + NoSuchPropertyException, + NoSuchTableError, + TableAlreadyExistsError, +) +from pyiceberg.io import FileIO, load_file_io +from pyiceberg.schema import Schema +from pyiceberg.serializers import FromInputFile, ToOutputFile +from pyiceberg.table import Table +from pyiceberg.table.metadata import TableMetadata, new_table_metadata +from pyiceberg.table.partitioning import UNPARTITIONED_PARTITION_SPEC, PartitionSpec +from pyiceberg.table.sorting import UNSORTED_SORT_ORDER, SortOrder +from pyiceberg.typedef import EMPTY_DICT + +EXTERNAL_TABLE_TYPE = "EXTERNAL_TABLE" + +PROP_GLUE_TABLE = "Table" +PROP_GLUE_TABLE_TYPE = "TableType" +PROP_GLUE_TABLE_DESCRIPTION = "description" +PROP_GLUE_TABLE_PARAMETERS = "Parameters" +PROP_GLUE_TABLE_DATABASE_NAME = "DatabaseName" +PROP_GLUE_TABLE_NAME = "Name" + +PROP_GLUE_TABLELIST = "TableList" + +PROP_GLUE_DATABASE = "Database" +PROP_GLUE_DATABASE_LIST = "DatabaseList" +PROP_GLUE_DATABASE_NAME = "Name" +PROP_GLUE_DATABASE_LOCATION = "LocationUri" +PROP_GLUE_DATABASE_DESCRIPTION = "Description" +PROP_GLUE_DATABASE_PARAMETERS = "Parameters" + +PROP_GLUE_NEXT_TOKEN = "NextToken" + +GLUE_DESCRIPTION_KEY = "comment" +GLUE_DATABASE_LOCATION_KEY = "location" + + +def _construct_parameters(metadata_location: str) -> Properties: + return {TABLE_TYPE: ICEBERG.upper(), METADATA_LOCATION: metadata_location} + + +def _construct_table_input(table_name: str, metadata_location: str, properties: Properties) -> Dict[str, Any]: + table_input = { + PROP_GLUE_TABLE_NAME: table_name, + PROP_GLUE_TABLE_TYPE: EXTERNAL_TABLE_TYPE, + PROP_GLUE_TABLE_PARAMETERS: _construct_parameters(metadata_location), + } + + if table_description := properties.get(GLUE_DESCRIPTION_KEY): + table_input[PROP_GLUE_TABLE_DESCRIPTION] = table_description + + return table_input + + +def _construct_database_input(database_name: str, properties: Properties) -> Dict[str, Any]: + database_input: Dict[str, Any] = {PROP_GLUE_DATABASE_NAME: database_name} + parameters = {} + for k, v in properties.items(): + if k == GLUE_DESCRIPTION_KEY: + database_input[PROP_GLUE_DATABASE_DESCRIPTION] = v + if k == GLUE_DATABASE_LOCATION_KEY: + database_input[PROP_GLUE_DATABASE_LOCATION] = v + else: + parameters[k] = v + database_input[PROP_GLUE_DATABASE_PARAMETERS] = parameters + return database_input + + +def _write_metadata(metadata: TableMetadata, io: FileIO, metadate_path: str): + ToOutputFile.table_metadata(metadata, io.new_output(metadate_path)) + + +class GlueCatalog(Catalog): + def __init__(self, name: str, **properties: str): + super().__init__(name, **properties) + self.glue = boto3.client("glue") + + def _convert_glue_to_iceberg(self, glue_table: Dict[str, Any]) -> Table: + properties: Properties = glue_table[PROP_GLUE_TABLE_PARAMETERS] + + if TABLE_TYPE not in properties: + raise NoSuchPropertyException( + f"Property {TABLE_TYPE} missing, could not determine type: " + f"{glue_table[PROP_GLUE_TABLE_DATABASE_NAME]}.{glue_table[PROP_GLUE_TABLE_NAME]}" + ) + glue_table_type = properties[TABLE_TYPE] + + if glue_table_type.lower() != ICEBERG: + raise NoSuchIcebergTableError( + f"Property table_type is {glue_table_type}, expected {ICEBERG}: " + f"{glue_table[PROP_GLUE_TABLE_DATABASE_NAME]}.{glue_table[PROP_GLUE_TABLE_NAME]}" + ) + + if METADATA_LOCATION not in properties: + raise NoSuchPropertyException( + f"Table property {METADATA_LOCATION} is missing, cannot find metadata for: " + f"{glue_table[PROP_GLUE_TABLE_DATABASE_NAME]}.{glue_table[PROP_GLUE_TABLE_NAME]}" + ) + metadata_location = properties[METADATA_LOCATION] + + io = load_file_io(properties=self.properties, location=metadata_location) + file = io.new_input(metadata_location) + metadata = FromInputFile.table_metadata(file) + return Table( + identifier=(glue_table[PROP_GLUE_TABLE_DATABASE_NAME], glue_table[PROP_GLUE_TABLE_NAME]), + metadata=metadata, + metadata_location=metadata_location, + ) + + def _default_warehouse_location(self, database_name: str, table_name: str): + try: + response = self.glue.get_database(Name=database_name) + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchNamespaceError(f"The database: {database_name} does not exist") from e + + if database_location := response.get(PROP_GLUE_DATABASE).get(PROP_GLUE_DATABASE_LOCATION): + return f"{database_location}/{table_name}" + + if WAREHOUSE in self.properties: + return f"{self.properties[WAREHOUSE]}/{database_name}.db/{table_name}" + + raise ValueError("No default path is set, please specify a location when creating a table") + + def _resolve_table_location(self, location: Optional[str], database_name: str, table_name: str) -> str: + if not location: + return self._default_warehouse_location(database_name, table_name) + return location + + def create_table( + self, + identifier: Union[str, Identifier], + schema: Schema, + location: Optional[str] = None, + partition_spec: PartitionSpec = UNPARTITIONED_PARTITION_SPEC, + sort_order: SortOrder = UNSORTED_SORT_ORDER, + properties: Properties = EMPTY_DICT, + ) -> Table: + """Create an Iceberg table in Glue catalog + Args: + identifier: Table identifier. + schema: Table's schema. + location: Location for the table. Optional Argument. + partition_spec: PartitionSpec for the table. + sort_order: SortOrder for the table. + properties: Table properties that can be a string based dictionary. + Returns: + Table: the created table instance + Raises: + AlreadyExistsError: If a table with the name already exists + ValueError: If the identifier is invalid + """ + database_name, table_name = self.identifier_to_tuple(identifier) + + location = self._resolve_table_location(location, database_name, table_name) + metadata_location = f"{location}/metadata/00000-{uuid.uuid4()}.metadata.json" + metadata = new_table_metadata( + location=location, schema=schema, partition_spec=partition_spec, sort_order=sort_order, properties=properties + ) + io = load_file_io(properties=self.properties, location=metadata_location) + _write_metadata(metadata, io, metadata_location) + try: + self.glue.create_table( + DatabaseName=database_name, TableInput=_construct_table_input(table_name, metadata_location, properties) + ) + except self.glue.exceptions.AlreadyExistsException as e: + raise TableAlreadyExistsError(f"Table {database_name}.{table_name} already exists") from e + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchNamespaceError(f"Database {database_name} not found") from e + + try: + loaded_table = self.load_table(identifier=(database_name, table_name)) + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchTableError(f"Table {database_name}.{table_name} fail to be created") from e + + return loaded_table + + def load_table(self, identifier: Union[str, Identifier]) -> Table: + """Loads the table's metadata and returns the table instance. + You can also use this method to check for table existence using 'try catalog.table() except TableNotFoundError' + Note: This method doesn't scan data stored in the table. + Args: + identifier: Table identifier. + Returns: + Table: the table instance with its metadata + Raises: + NoSuchTableError: If a table with the name does not exist, or the identifier is invalid + """ + database_name, table_name = self.identifier_to_tuple(identifier) + try: + load_table_response = self.glue.get_table(DatabaseName=database_name, Name=table_name) + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchTableError(f"Table does not exists: {database_name}.{table_name}") from e + + return self._convert_glue_to_iceberg(load_table_response[PROP_GLUE_TABLE]) + + def drop_table(self, identifier: Union[str, Identifier]) -> None: + """Drop a table. + + Args: + identifier: Table identifier. + + Raises: + NoSuchTableError: If a table with the name does not exist, or the identifier is invalid + """ + database_name, table_name = self.identifier_to_tuple(identifier) + try: + self.glue.delete_table(DatabaseName=database_name, Name=table_name) + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchTableError(f"Table does not exists: {database_name}.{table_name}") from e + + def purge_table(self, identifier: Union[str, Identifier]) -> None: + """Drop a table and purge all data and metadata files. AWS glue will asynchronously delete resource + belongs to the table once the table is deleted + + Args: + identifier (str | Identifier): Table identifier. + + Raises: + NoSuchTableError: If a table with the name does not exist + """ + self.drop_table(identifier) + + def rename_table(self, from_identifier: Union[str, Identifier], to_identifier: Union[str, Identifier]) -> Table: + """Rename a fully classified table name + + Args: + from_identifier: Existing table identifier. + to_identifier: New table identifier. + + Returns: + Table: the updated table instance with its metadata + + Raises: + ValueError: When the from table identifier is invalid + NoSuchTableError: When a table with the name does not exist + NoSuchNamespaceError: When the destination namespace doesn't exists + """ + from_database_name, from_table_name = self.identifier_to_tuple(from_identifier) + to_database_name, to_table_name = self.identifier_to_tuple(to_identifier) + try: + get_table_response = self.glue.get_table(DatabaseName=from_database_name, Name=from_table_name) + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchTableError(f"Table does not exists: {from_database_name}.{from_table_name}") from e + + table_input = get_table_response[PROP_GLUE_TABLE] + table_input[PROP_GLUE_TABLE_NAME] = to_table_name + new_input = _construct_table_input(to_table_name, table_input[PROP_GLUE_TABLE_PARAMETERS][METADATA_LOCATION], {}) + + try: + self.glue.create_table(DatabaseName=to_database_name, TableInput=new_input) + except self.glue.exceptions.AlreadyExistsException as e: + raise TableAlreadyExistsError(f"Table {to_database_name}.{to_table_name} already exists") from e + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchNamespaceError(f"Database {to_database_name} not found") from e + + try: + self.drop_table(from_identifier) + except Exception as e: + self.drop_table(to_identifier) + raise ValueError( + f"Fail to drop old table {from_database_name}.{from_table_name}, roll back to use the old one" Review Comment: should we say drop old table failed post renaming to {new table} roll back to the old one, for clarity ? for ex : ```java LOG.error( "Fail to drop old table {} after renaming to {}, rollback to use the old table", from, to, e); ``` ########## python/pyiceberg/catalog/glue.py: ########## @@ -0,0 +1,453 @@ +# 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. + + +import uuid +from typing import ( + Any, + Dict, + List, + Optional, + Set, + Union, +) + +import boto3 + +from pyiceberg.catalog import ( + Catalog, + Identifier, + Properties, + PropertiesUpdateSummary, +) +from pyiceberg.catalog.base import ( + ICEBERG, + METADATA_LOCATION, + TABLE_TYPE, + WAREHOUSE, +) +from pyiceberg.exceptions import ( + NamespaceAlreadyExistsError, + NamespaceNotEmptyError, + NoSuchIcebergTableError, + NoSuchNamespaceError, + NoSuchPropertyException, + NoSuchTableError, + TableAlreadyExistsError, +) +from pyiceberg.io import FileIO, load_file_io +from pyiceberg.schema import Schema +from pyiceberg.serializers import FromInputFile, ToOutputFile +from pyiceberg.table import Table +from pyiceberg.table.metadata import TableMetadata, new_table_metadata +from pyiceberg.table.partitioning import UNPARTITIONED_PARTITION_SPEC, PartitionSpec +from pyiceberg.table.sorting import UNSORTED_SORT_ORDER, SortOrder +from pyiceberg.typedef import EMPTY_DICT + +EXTERNAL_TABLE_TYPE = "EXTERNAL_TABLE" + +PROP_GLUE_TABLE = "Table" +PROP_GLUE_TABLE_TYPE = "TableType" +PROP_GLUE_TABLE_DESCRIPTION = "description" +PROP_GLUE_TABLE_PARAMETERS = "Parameters" +PROP_GLUE_TABLE_DATABASE_NAME = "DatabaseName" +PROP_GLUE_TABLE_NAME = "Name" + +PROP_GLUE_TABLELIST = "TableList" + +PROP_GLUE_DATABASE = "Database" +PROP_GLUE_DATABASE_LIST = "DatabaseList" +PROP_GLUE_DATABASE_NAME = "Name" +PROP_GLUE_DATABASE_LOCATION = "LocationUri" +PROP_GLUE_DATABASE_DESCRIPTION = "Description" +PROP_GLUE_DATABASE_PARAMETERS = "Parameters" + +PROP_GLUE_NEXT_TOKEN = "NextToken" + +GLUE_DESCRIPTION_KEY = "comment" +GLUE_DATABASE_LOCATION_KEY = "location" + + +def _construct_parameters(metadata_location: str) -> Properties: + return {TABLE_TYPE: ICEBERG.upper(), METADATA_LOCATION: metadata_location} + + +def _construct_table_input(table_name: str, metadata_location: str, properties: Properties) -> Dict[str, Any]: + table_input = { + PROP_GLUE_TABLE_NAME: table_name, + PROP_GLUE_TABLE_TYPE: EXTERNAL_TABLE_TYPE, + PROP_GLUE_TABLE_PARAMETERS: _construct_parameters(metadata_location), + } + + if table_description := properties.get(GLUE_DESCRIPTION_KEY): + table_input[PROP_GLUE_TABLE_DESCRIPTION] = table_description + + return table_input + + +def _construct_database_input(database_name: str, properties: Properties) -> Dict[str, Any]: + database_input: Dict[str, Any] = {PROP_GLUE_DATABASE_NAME: database_name} + parameters = {} + for k, v in properties.items(): + if k == GLUE_DESCRIPTION_KEY: + database_input[PROP_GLUE_DATABASE_DESCRIPTION] = v + if k == GLUE_DATABASE_LOCATION_KEY: + database_input[PROP_GLUE_DATABASE_LOCATION] = v + else: + parameters[k] = v + database_input[PROP_GLUE_DATABASE_PARAMETERS] = parameters + return database_input + + +def _write_metadata(metadata: TableMetadata, io: FileIO, metadate_path: str): + ToOutputFile.table_metadata(metadata, io.new_output(metadate_path)) + + +class GlueCatalog(Catalog): + def __init__(self, name: str, **properties: str): + super().__init__(name, **properties) + self.glue = boto3.client("glue") + + def _convert_glue_to_iceberg(self, glue_table: Dict[str, Any]) -> Table: + properties: Properties = glue_table[PROP_GLUE_TABLE_PARAMETERS] + + if TABLE_TYPE not in properties: + raise NoSuchPropertyException( + f"Property {TABLE_TYPE} missing, could not determine type: " + f"{glue_table[PROP_GLUE_TABLE_DATABASE_NAME]}.{glue_table[PROP_GLUE_TABLE_NAME]}" + ) + glue_table_type = properties[TABLE_TYPE] + + if glue_table_type.lower() != ICEBERG: + raise NoSuchIcebergTableError( + f"Property table_type is {glue_table_type}, expected {ICEBERG}: " + f"{glue_table[PROP_GLUE_TABLE_DATABASE_NAME]}.{glue_table[PROP_GLUE_TABLE_NAME]}" + ) + + if METADATA_LOCATION not in properties: + raise NoSuchPropertyException( + f"Table property {METADATA_LOCATION} is missing, cannot find metadata for: " + f"{glue_table[PROP_GLUE_TABLE_DATABASE_NAME]}.{glue_table[PROP_GLUE_TABLE_NAME]}" + ) + metadata_location = properties[METADATA_LOCATION] + + io = load_file_io(properties=self.properties, location=metadata_location) + file = io.new_input(metadata_location) + metadata = FromInputFile.table_metadata(file) + return Table( + identifier=(glue_table[PROP_GLUE_TABLE_DATABASE_NAME], glue_table[PROP_GLUE_TABLE_NAME]), + metadata=metadata, + metadata_location=metadata_location, + ) + + def _default_warehouse_location(self, database_name: str, table_name: str): + try: + response = self.glue.get_database(Name=database_name) + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchNamespaceError(f"The database: {database_name} does not exist") from e + + if database_location := response.get(PROP_GLUE_DATABASE).get(PROP_GLUE_DATABASE_LOCATION): + return f"{database_location}/{table_name}" + + if WAREHOUSE in self.properties: + return f"{self.properties[WAREHOUSE]}/{database_name}.db/{table_name}" + + raise ValueError("No default path is set, please specify a location when creating a table") + + def _resolve_table_location(self, location: Optional[str], database_name: str, table_name: str) -> str: + if not location: + return self._default_warehouse_location(database_name, table_name) + return location + + def create_table( + self, + identifier: Union[str, Identifier], + schema: Schema, + location: Optional[str] = None, + partition_spec: PartitionSpec = UNPARTITIONED_PARTITION_SPEC, + sort_order: SortOrder = UNSORTED_SORT_ORDER, + properties: Properties = EMPTY_DICT, + ) -> Table: + """Create an Iceberg table in Glue catalog + Args: + identifier: Table identifier. + schema: Table's schema. + location: Location for the table. Optional Argument. + partition_spec: PartitionSpec for the table. + sort_order: SortOrder for the table. + properties: Table properties that can be a string based dictionary. + Returns: + Table: the created table instance + Raises: + AlreadyExistsError: If a table with the name already exists + ValueError: If the identifier is invalid + """ + database_name, table_name = self.identifier_to_tuple(identifier) + + location = self._resolve_table_location(location, database_name, table_name) + metadata_location = f"{location}/metadata/00000-{uuid.uuid4()}.metadata.json" + metadata = new_table_metadata( + location=location, schema=schema, partition_spec=partition_spec, sort_order=sort_order, properties=properties + ) + io = load_file_io(properties=self.properties, location=metadata_location) + _write_metadata(metadata, io, metadata_location) + try: + self.glue.create_table( + DatabaseName=database_name, TableInput=_construct_table_input(table_name, metadata_location, properties) + ) + except self.glue.exceptions.AlreadyExistsException as e: + raise TableAlreadyExistsError(f"Table {database_name}.{table_name} already exists") from e + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchNamespaceError(f"Database {database_name} not found") from e + + try: + loaded_table = self.load_table(identifier=(database_name, table_name)) + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchTableError(f"Table {database_name}.{table_name} fail to be created") from e + + return loaded_table + + def load_table(self, identifier: Union[str, Identifier]) -> Table: + """Loads the table's metadata and returns the table instance. + You can also use this method to check for table existence using 'try catalog.table() except TableNotFoundError' + Note: This method doesn't scan data stored in the table. + Args: + identifier: Table identifier. + Returns: + Table: the table instance with its metadata + Raises: + NoSuchTableError: If a table with the name does not exist, or the identifier is invalid + """ + database_name, table_name = self.identifier_to_tuple(identifier) + try: + load_table_response = self.glue.get_table(DatabaseName=database_name, Name=table_name) + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchTableError(f"Table does not exists: {database_name}.{table_name}") from e + + return self._convert_glue_to_iceberg(load_table_response[PROP_GLUE_TABLE]) + + def drop_table(self, identifier: Union[str, Identifier]) -> None: + """Drop a table. + + Args: + identifier: Table identifier. + + Raises: + NoSuchTableError: If a table with the name does not exist, or the identifier is invalid + """ + database_name, table_name = self.identifier_to_tuple(identifier) + try: + self.glue.delete_table(DatabaseName=database_name, Name=table_name) + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchTableError(f"Table does not exists: {database_name}.{table_name}") from e + + def purge_table(self, identifier: Union[str, Identifier]) -> None: + """Drop a table and purge all data and metadata files. AWS glue will asynchronously delete resource + belongs to the table once the table is deleted + + Args: + identifier (str | Identifier): Table identifier. + + Raises: + NoSuchTableError: If a table with the name does not exist + """ + self.drop_table(identifier) + + def rename_table(self, from_identifier: Union[str, Identifier], to_identifier: Union[str, Identifier]) -> Table: + """Rename a fully classified table name + + Args: + from_identifier: Existing table identifier. + to_identifier: New table identifier. + + Returns: + Table: the updated table instance with its metadata + + Raises: + ValueError: When the from table identifier is invalid + NoSuchTableError: When a table with the name does not exist + NoSuchNamespaceError: When the destination namespace doesn't exists + """ + from_database_name, from_table_name = self.identifier_to_tuple(from_identifier) + to_database_name, to_table_name = self.identifier_to_tuple(to_identifier) + try: + get_table_response = self.glue.get_table(DatabaseName=from_database_name, Name=from_table_name) + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchTableError(f"Table does not exists: {from_database_name}.{from_table_name}") from e + + table_input = get_table_response[PROP_GLUE_TABLE] + table_input[PROP_GLUE_TABLE_NAME] = to_table_name + new_input = _construct_table_input(to_table_name, table_input[PROP_GLUE_TABLE_PARAMETERS][METADATA_LOCATION], {}) + + try: + self.glue.create_table(DatabaseName=to_database_name, TableInput=new_input) + except self.glue.exceptions.AlreadyExistsException as e: + raise TableAlreadyExistsError(f"Table {to_database_name}.{to_table_name} already exists") from e + except self.glue.exceptions.EntityNotFoundException as e: + raise NoSuchNamespaceError(f"Database {to_database_name} not found") from e + + try: + self.drop_table(from_identifier) + except Exception as e: + self.drop_table(to_identifier) + raise ValueError( + f"Fail to drop old table {from_database_name}.{from_table_name}, roll back to use the old one" Review Comment: should we say drop old table failed post renaming to {new table} roll back to the old one, for clarity ? for ex java error log : ```java LOG.error( "Fail to drop old table {} after renaming to {}, rollback to use the old table", from, to, e); ``` -- This is an automated message from the Apache Git Service. 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