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📁 ..
📄 __init__.py(2.15 KB)
📁 __pycache__
📄 aiomysql.py(9.78 KB)
📄 asyncmy.py(9.84 KB)
📄 base.py(121.57 KB)
📄 cymysql.py(2.25 KB)
📄 dml.py(7.59 KB)
📄 enumerated.py(8.25 KB)
📄 expression.py(4.02 KB)
📄 json.py(2.22 KB)
📄 mariadb.py(1.42 KB)
📄 mariadbconnector.py(8.42 KB)
📄 mysqlconnector.py(5.59 KB)
📄 mysqldb.py(9.3 KB)
📄 provision.py(3.49 KB)
📄 pymysql.py(3.99 KB)
📄 pyodbc.py(4.2 KB)
📄 reflection.py(22.3 KB)
📄 reserved_words.py(9.04 KB)
📄 types.py(23.77 KB)

Editing: cymysql.py

# dialects/mysql/cymysql.py
# Copyright (C) 2005-2025 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: https://www.opensource.org/licenses/mit-license.php
# mypy: ignore-errors

r"""

.. dialect:: mysql+cymysql
    :name: CyMySQL
    :dbapi: cymysql
    :connectstring: mysql+cymysql://<username>:<password>@<host>/<dbname>[?<options>]
    :url: https://github.com/nakagami/CyMySQL

.. note::

The CyMySQL dialect is **not tested as part of SQLAlchemy's continuous
    integration** and may have unresolved issues.  The recommended MySQL
    dialects are mysqlclient and PyMySQL.

"""  # noqa

from .base import BIT
from .base import MySQLDialect
from .mysqldb import MySQLDialect_mysqldb
from ... import util

class _cymysqlBIT(BIT):
    def result_processor(self, dialect, coltype):
        """Convert MySQL's 64 bit, variable length binary string to a long."""

def process(value):
            if value is not None:
                v = 0
                for i in iter(value):
                    v = v << 8 | i
                return v
            return value

return process

class MySQLDialect_cymysql(MySQLDialect_mysqldb):
    driver = "cymysql"
    supports_statement_cache = True

description_encoding = None
    supports_sane_rowcount = True
    supports_sane_multi_rowcount = False
    supports_unicode_statements = True

colspecs = util.update_copy(MySQLDialect.colspecs, {BIT: _cymysqlBIT})

@classmethod
    def import_dbapi(cls):
        return __import__("cymysql")

def _detect_charset(self, connection):
        return connection.connection.charset

def _extract_error_code(self, exception):
        return exception.errno

def is_disconnect(self, e, connection, cursor):
        if isinstance(e, self.dbapi.OperationalError):
            return self._extract_error_code(e) in (
                2006,
                2013,
                2014,
                2045,
                2055,
            )
        elif isinstance(e, self.dbapi.InterfaceError):
            # if underlying connection is closed,
            # this is the error you get
            return True
        else:
            return False

dialect = MySQLDialect_cymysql

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