dbt-selly/dbt-env/lib/python3.8/site-packages/dbt/adapters/protocol.py

164 lines
3.6 KiB
Python
Raw Normal View History

2022-03-22 15:13:27 +00:00
from dataclasses import dataclass
from typing import (
Type, Hashable, Optional, ContextManager, List, Generic, TypeVar, ClassVar,
Tuple, Union, Dict, Any
)
from typing_extensions import Protocol
import agate
from dbt.contracts.connection import (
Connection, AdapterRequiredConfig, AdapterResponse
)
from dbt.contracts.graph.compiled import (
CompiledNode, ManifestNode, NonSourceCompiledNode
)
from dbt.contracts.graph.parsed import ParsedNode, ParsedSourceDefinition
from dbt.contracts.graph.model_config import BaseConfig
from dbt.contracts.graph.manifest import Manifest
from dbt.contracts.relation import Policy, HasQuoting
from dbt.graph import Graph
@dataclass
class AdapterConfig(BaseConfig):
pass
class ConnectionManagerProtocol(Protocol):
TYPE: str
class ColumnProtocol(Protocol):
pass
Self = TypeVar('Self', bound='RelationProtocol')
class RelationProtocol(Protocol):
@classmethod
def get_default_quote_policy(cls) -> Policy:
...
@classmethod
def create_from(
cls: Type[Self],
config: HasQuoting,
node: Union[CompiledNode, ParsedNode, ParsedSourceDefinition],
) -> Self:
...
class CompilerProtocol(Protocol):
def compile(self, manifest: Manifest, write=True) -> Graph:
...
def compile_node(
self,
node: ManifestNode,
manifest: Manifest,
extra_context: Optional[Dict[str, Any]] = None,
) -> NonSourceCompiledNode:
...
AdapterConfig_T = TypeVar(
'AdapterConfig_T', bound=AdapterConfig
)
ConnectionManager_T = TypeVar(
'ConnectionManager_T', bound=ConnectionManagerProtocol
)
Relation_T = TypeVar(
'Relation_T', bound=RelationProtocol
)
Column_T = TypeVar(
'Column_T', bound=ColumnProtocol
)
Compiler_T = TypeVar('Compiler_T', bound=CompilerProtocol)
class AdapterProtocol(
Protocol,
Generic[
AdapterConfig_T,
ConnectionManager_T,
Relation_T,
Column_T,
Compiler_T,
]
):
AdapterSpecificConfigs: ClassVar[Type[AdapterConfig_T]]
Column: ClassVar[Type[Column_T]]
Relation: ClassVar[Type[Relation_T]]
ConnectionManager: ClassVar[Type[ConnectionManager_T]]
connections: ConnectionManager_T
def __init__(self, config: AdapterRequiredConfig):
...
@classmethod
def type(cls) -> str:
pass
def set_query_header(self, manifest: Manifest) -> None:
...
@staticmethod
def get_thread_identifier() -> Hashable:
...
def get_thread_connection(self) -> Connection:
...
def set_thread_connection(self, conn: Connection) -> None:
...
def get_if_exists(self) -> Optional[Connection]:
...
def clear_thread_connection(self) -> None:
...
def clear_transaction(self) -> None:
...
def exception_handler(self, sql: str) -> ContextManager:
...
def set_connection_name(self, name: Optional[str] = None) -> Connection:
...
def cancel_open(self) -> Optional[List[str]]:
...
def open(cls, connection: Connection) -> Connection:
...
def release(self) -> None:
...
def cleanup_all(self) -> None:
...
def begin(self) -> None:
...
def commit(self) -> None:
...
def close(cls, connection: Connection) -> Connection:
...
def commit_if_has_connection(self) -> None:
...
def execute(
self, sql: str, auto_begin: bool = False, fetch: bool = False
) -> Tuple[Union[str, AdapterResponse], agate.Table]:
...
def get_compiler(self) -> Compiler_T:
...