import time from moto.core import BaseBackend, BackendDict, BaseModel from moto.moto_api._internal import mock_random from typing import Any, Dict, List, Optional class TaggableResourceMixin(object): # This mixing was copied from Redshift when initially implementing # Athena. TBD if it's worth the overhead. def __init__( self, account_id: str, region_name: str, resource_name: str, tags: List[Dict[str, str]], ): self.region = region_name self.resource_name = resource_name self.tags = tags or [] self.arn = f"arn:aws:athena:{region_name}:{account_id}:{resource_name}" def create_tags(self, tags: List[Dict[str, str]]) -> List[Dict[str, str]]: new_keys = [tag_set["Key"] for tag_set in tags] self.tags = [tag_set for tag_set in self.tags if tag_set["Key"] not in new_keys] self.tags.extend(tags) return self.tags def delete_tags(self, tag_keys: List[str]) -> List[Dict[str, str]]: self.tags = [tag_set for tag_set in self.tags if tag_set["Key"] not in tag_keys] return self.tags class WorkGroup(TaggableResourceMixin, BaseModel): resource_type = "workgroup" state = "ENABLED" def __init__( self, athena_backend: "AthenaBackend", name: str, configuration: str, description: str, tags: List[Dict[str, str]], ): self.region_name = athena_backend.region_name super().__init__( athena_backend.account_id, self.region_name, f"workgroup/{name}", tags, ) self.athena_backend = athena_backend self.name = name self.description = description self.configuration = configuration class DataCatalog(TaggableResourceMixin, BaseModel): def __init__( self, athena_backend: "AthenaBackend", name: str, catalog_type: str, description: str, parameters: str, tags: List[Dict[str, str]], ): self.region_name = athena_backend.region_name super().__init__( athena_backend.account_id, self.region_name, f"datacatalog/{name}", tags, ) self.athena_backend = athena_backend self.name = name self.type = catalog_type self.description = description self.parameters = parameters class Execution(BaseModel): def __init__(self, query: str, context: str, config: str, workgroup: WorkGroup): self.id = str(mock_random.uuid4()) self.query = query self.context = context self.config = config self.workgroup = workgroup self.start_time = time.time() self.status = "SUCCEEDED" class QueryResults(BaseModel): def __init__(self, rows: List[Dict[str, Any]], column_info: List[Dict[str, str]]): self.rows = rows self.column_info = column_info def to_dict(self) -> Dict[str, Any]: return { "ResultSet": { "Rows": self.rows, "ResultSetMetadata": {"ColumnInfo": self.column_info}, }, } class NamedQuery(BaseModel): def __init__( self, name: str, description: str, database: str, query_string: str, workgroup: WorkGroup, ): self.id = str(mock_random.uuid4()) self.name = name self.description = description self.database = database self.query_string = query_string self.workgroup = workgroup class AthenaBackend(BaseBackend): def __init__(self, region_name: str, account_id: str): super().__init__(region_name, account_id) self.work_groups: Dict[str, WorkGroup] = {} self.executions: Dict[str, Execution] = {} self.named_queries: Dict[str, NamedQuery] = {} self.data_catalogs: Dict[str, DataCatalog] = {} self.query_results: Dict[str, QueryResults] = {} @staticmethod def default_vpc_endpoint_service( service_region: str, zones: List[str] ) -> List[Dict[str, str]]: """Default VPC endpoint service.""" return BaseBackend.default_vpc_endpoint_service_factory( service_region, zones, "athena" ) def create_work_group( self, name: str, configuration: str, description: str, tags: List[Dict[str, str]], ) -> Optional[WorkGroup]: if name in self.work_groups: return None work_group = WorkGroup(self, name, configuration, description, tags) self.work_groups[name] = work_group return work_group def list_work_groups(self) -> List[Dict[str, Any]]: return [ { "Name": wg.name, "State": wg.state, "Description": wg.description, "CreationTime": time.time(), } for wg in self.work_groups.values() ] def get_work_group(self, name: str) -> Optional[Dict[str, Any]]: if name not in self.work_groups: return None wg = self.work_groups[name] return { "Name": wg.name, "State": wg.state, "Configuration": wg.configuration, "Description": wg.description, "CreationTime": time.time(), } def start_query_execution( self, query: str, context: str, config: str, workgroup: WorkGroup ) -> str: execution = Execution( query=query, context=context, config=config, workgroup=workgroup ) self.executions[execution.id] = execution return execution.id def get_query_execution(self, exec_id: str) -> Execution: return self.executions[exec_id] def list_query_executions(self) -> Dict[str, Execution]: return self.executions def get_query_results(self, exec_id: str) -> QueryResults: """ Queries are not executed, so this call will always return 0 rows by default. When using decorators, you can use the internal API to manually set results: .. sourcecode:: python from moto.athena.models import athena_backends, QueryResults from moto.core import DEFAULT_ACCOUNT_ID backend = athena_backends[DEFAULT_ACCOUNT_ID]["us-east-1"] rows = [{'Data': [{'VarCharValue': '..'}]}] column_info = [{ 'CatalogName': 'string', 'SchemaName': 'string', 'TableName': 'string', 'Name': 'string', 'Label': 'string', 'Type': 'string', 'Precision': 123, 'Scale': 123, 'Nullable': 'NOT_NULL', 'CaseSensitive': True }] results = QueryResults(rows=rows, column_info=column_info) backend.query_results["test"] = results result = client.get_query_results(QueryExecutionId="test") """ results = ( self.query_results[exec_id] if exec_id in self.query_results else QueryResults(rows=[], column_info=[]) ) return results def stop_query_execution(self, exec_id: str) -> None: execution = self.executions[exec_id] execution.status = "CANCELLED" def create_named_query( self, name: str, description: str, database: str, query_string: str, workgroup: WorkGroup, ) -> str: nq = NamedQuery( name=name, description=description, database=database, query_string=query_string, workgroup=workgroup, ) self.named_queries[nq.id] = nq return nq.id def get_named_query(self, query_id: str) -> Optional[NamedQuery]: return self.named_queries[query_id] if query_id in self.named_queries else None def list_data_catalogs(self) -> List[Dict[str, str]]: return [ {"CatalogName": dc.name, "Type": dc.type} for dc in self.data_catalogs.values() ] def get_data_catalog(self, name: str) -> Optional[Dict[str, str]]: if name not in self.data_catalogs: return None dc = self.data_catalogs[name] return { "Name": dc.name, "Description": dc.description, "Type": dc.type, "Parameters": dc.parameters, } def create_data_catalog( self, name: str, catalog_type: str, description: str, parameters: str, tags: List[Dict[str, str]], ) -> Optional[DataCatalog]: if name in self.data_catalogs: return None data_catalog = DataCatalog( self, name, catalog_type, description, parameters, tags ) self.data_catalogs[name] = data_catalog return data_catalog athena_backends = BackendDict(AthenaBackend, "athena")