_exceptions.py

"""Exception classes for _mysql and MySQLdb.

These classes are dictated by the DB API v2.0:

 https://www.python.org/dev/peps/pep-0249/
"""


classMySQLError(Exception):
"""Exception related to operation with MySQL."""

__module__="MySQLdb"


classWarning(Warning, MySQLError):
"""Exception raised for important warnings like data truncations
 while inserting, etc."""

__module__="MySQLdb"


classError(MySQLError):
"""Exception that is the base class of all other error exceptions
 (not Warning)."""

__module__="MySQLdb"


classInterfaceError(Error):
"""Exception raised for errors that are related to the database
 interface rather than the database itself."""

__module__="MySQLdb"


classDatabaseError(Error):
"""Exception raised for errors that are related to the
 database."""

__module__="MySQLdb"


classDataError(DatabaseError):
"""Exception raised for errors that are due to problems with the
 processed data like division by zero, numeric value out of range,
 etc."""

__module__="MySQLdb"


classOperationalError(DatabaseError):
"""Exception raised for errors that are related to the database's
 operation and not necessarily under the control of the programmer,
 e.g. an unexpected disconnect occurs, the data source name is not
 found, a transaction could not be processed, a memory allocation
 error occurred during processing, etc."""

__module__="MySQLdb"


classIntegrityError(DatabaseError):
"""Exception raised when the relational integrity of the database
 is affected, e.g. a foreign key check fails, duplicate key,
 etc."""

__module__="MySQLdb"


classInternalError(DatabaseError):
"""Exception raised when the database encounters an internal
 error, e.g. the cursor is not valid anymore, the transaction is
 out of sync, etc."""

__module__="MySQLdb"


classProgrammingError(DatabaseError):
"""Exception raised for programming errors, e.g. table not found
 or already exists, syntax error in the SQL statement, wrong number
 of parameters specified, etc."""

__module__="MySQLdb"


classNotSupportedError(DatabaseError):
"""Exception raised in case a method or database API was used
 which is not supported by the database, e.g. requesting a
 .rollback() on a connection that does not support transaction or
 has transactions turned off."""

__module__="MySQLdb"