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�ZdS )a� Logging control and utilities.
Control of logging for SA can be performed from the regular python logging
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'sqlalchemy'. For class-level logging, the class name is appended.
The "echo" keyword parameter, available on SQLA :class:`.Engine`
and :class:`.Pool` objects, corresponds to a logger specific to that
instance only.
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d� Zdd� Zdd� Zdd� Zdd� ZdS )�InstanceLoggera A logger adapter (wrapper) for :class:`.Identified` subclasses.
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per-instance basis.
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which is based on an instance's echo setting.
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'debug' -> logging.DEBUG
True -> logging.INFO
False -> Effective level of underlying logger (
logging.WARNING by default)
None -> same as False
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echo_propertya} When ``True``, enable log output for this element.
This has the effect of setting the Python logging level for the namespace
of this element's class and object reference. A value of boolean ``True``
indicates that the loglevel ``logging.INFO`` will be set for the logger,
whereas the string value ``debug`` will set the loglevel to
``logging.DEBUG``.
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