sqlalchemy.engine.interfaces ExecutionContext Example Code

# sqlite.py
import logging
import typing
import uuid

import aiosqlite
from sqlalchemy.dialects.sqlite import pysqlite
from sqlalchemy.engine.interfaces import Dialect, ExecutionContext
from sqlalchemy.engine.result import ResultMetaData, RowProxy
from sqlalchemy.sql import ClauseElement
from sqlalchemy.types import TypeEngine

from databases.core import LOG_EXTRA, DatabaseURL
from databases.interfaces import ConnectionBackend, DatabaseBackend, TransactionBackend

logger = logging.getLogger("databases")


class SQLiteBackend(DatabaseBackend):
    def __init__(
        self, database_url: typing.Union[DatabaseURL, str], **options: typing.Any
    ) -> None:
        self._database_url = DatabaseURL(database_url)
        self._options = options
        self._dialect = pysqlite.dialect(paramstyle="qmark")
        self._dialect.supports_native_decimal = False
        self._pool = SQLitePool(self._database_url, **self._options)

    async def connect(self) -> None:
        pass

    async def disconnect(self) -> None:


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