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This module implements connections for MySQLdb. Presently there is
only one class: Connection. Others are unlikely. However, you might
want to make your own subclasses. In most cases, you will probably
override Connection.default_cursor with a non-standard Cursor class.
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If cursor is not None, (errorclass, errorvalue) is appended to
cursor.messages; otherwise it is appended to
connection.messages. Then errorclass is raised with errorvalue as
the value.
You can override this with your own error handler by assigning it
to the instance.
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>>> numeric_part("20-alpha")
20
>>> numeric_part("foo")
>>> numeric_part("16b")
16
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Create a connection to the database. It is strongly recommended
that you only use keyword parameters. Consult the MySQL C API
documentation for more information.
host
string, host to connect
user
string, user to connect as
passwd
string, password to use
db
string, database to use
port
integer, TCP/IP port to connect to
unix_socket
string, location of unix_socket to use
conv
conversion dictionary, see MySQLdb.converters
connect_timeout
number of seconds to wait before the connection attempt
fails.
compress
if set, compression is enabled
named_pipe
if set, a named pipe is used to connect (Windows only)
init_command
command which is run once the connection is created
read_default_file
file from which default client values are read
read_default_group
configuration group to use from the default file
cursorclass
class object, used to create cursors (keyword only)
use_unicode
If True, text-like columns are returned as unicode objects
using the connection's character set. Otherwise, text-like
columns are returned as strings. columns are returned as
normal strings. Unicode objects will always be encoded to
the connection's character set regardless of this setting.
charset
If supplied, the connection character set will be changed
to this character set (MySQL-4.1 and newer). This implies
use_unicode=True.
sql_mode
If supplied, the session SQL mode will be changed to this
setting (MySQL-4.1 and newer). For more details and legal
values, see the MySQL documentation.
client_flag
integer, flags to use or 0
(see MySQL docs or constants/CLIENTS.py)
ssl
dictionary or mapping, contains SSL connection parameters;
see the MySQL documentation for more details
(mysql_ssl_set()). If this is set, and the client does not
support SSL, NotSupportedError will be raised.
local_infile
integer, non-zero enables LOAD LOCAL INFILE; zero disables
autocommit
If False (default), autocommit is disabled.
If True, autocommit is enabled.
If None, autocommit isn't set and server default is used.
There are a number of undocumented, non-standard methods. See the
documentation for the MySQL C API for some hints on what they do.
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Create a cursor on which queries may be performed. The
optional cursorclass parameter is used to create the
Cursor. By default, self.cursorclass=cursors.Cursor is
used.
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If o is a single object, returns an SQL literal as a string.
If o is a non-string sequence, the items of the sequence are
converted and returned as a sequence.
Non-standard. For internal use; do not use this in your
applications.
( t escapeRL ( R] t o( ( s9 /usr/lib64/python2.7/site-packages/MySQLdb/connections.pyR. s c C s1 d d l m } | d t d � | j d � d S( s� Explicitly begin a connection. Non-standard.
DEPRECATED: Will be removed in 1.3.
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warning_countc C s> d d l m } | j � } | r6 | | j � d � Sd Sd S( sp Return the number of warnings generated from the
last query. This is derived from the info() method.i����( t atoii N( t stringRy t infoRE ( R] Ry R{ ( ( s9 /usr/lib64/python2.7/site-packages/MySQLdb/connections.pyRx # s
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set can only be changed in MySQL-4.1 and newer. If you try
to change the character set from the current value in an
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c C s= | j d k r t d � � n | j d | � | j � d S( sN Set the connection sql_mode. See MySQL documentation for
legal values.i i s! server is too old to set sql_modes SET SESSION sql_mode='%s'N( i i ( RN R Rj R ( R] R% ( ( s9 /usr/lib64/python2.7/site-packages/MySQLdb/connections.pyRQ A s c C s? | j d k r d S| j d � | j � } | j d � } | S( s� Return detailed information about warnings as a
sequence of tuples of (Level, Code, Message). This
is only supported in MySQL-4.1 and up. If your server
is an earlier version, an empty sequence is returned.i i s
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