diff options
Diffstat (limited to 'lib/python2.7/site-packages/SQLAlchemy-0.7.0-py2.7-linux-x86_64.egg/sqlalchemy/dialects/mysql/zxjdbc.py')
-rwxr-xr-x | lib/python2.7/site-packages/SQLAlchemy-0.7.0-py2.7-linux-x86_64.egg/sqlalchemy/dialects/mysql/zxjdbc.py | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/lib/python2.7/site-packages/SQLAlchemy-0.7.0-py2.7-linux-x86_64.egg/sqlalchemy/dialects/mysql/zxjdbc.py b/lib/python2.7/site-packages/SQLAlchemy-0.7.0-py2.7-linux-x86_64.egg/sqlalchemy/dialects/mysql/zxjdbc.py deleted file mode 100755 index a56fb6a5..00000000 --- a/lib/python2.7/site-packages/SQLAlchemy-0.7.0-py2.7-linux-x86_64.egg/sqlalchemy/dialects/mysql/zxjdbc.py +++ /dev/null @@ -1,117 +0,0 @@ -# mysql/zxjdbc.py -# Copyright (C) 2005-2011 the SQLAlchemy authors and contributors <see AUTHORS file> -# -# This module is part of SQLAlchemy and is released under -# the MIT License: http://www.opensource.org/licenses/mit-license.php - -"""Support for the MySQL database via Jython's zxjdbc JDBC connector. - -JDBC Driver ------------ - -The official MySQL JDBC driver is at -http://dev.mysql.com/downloads/connector/j/. - -Connecting ----------- - -Connect string format: - - mysql+zxjdbc://<user>:<password>@<hostname>[:<port>]/<database> - -Character Sets --------------- - -SQLAlchemy zxjdbc dialects pass unicode straight through to the -zxjdbc/JDBC layer. To allow multiple character sets to be sent from the -MySQL Connector/J JDBC driver, by default SQLAlchemy sets its -``characterEncoding`` connection property to ``UTF-8``. It may be -overriden via a ``create_engine`` URL parameter. - -""" -import re - -from sqlalchemy import types as sqltypes, util -from sqlalchemy.connectors.zxJDBC import ZxJDBCConnector -from sqlalchemy.dialects.mysql.base import BIT, MySQLDialect, MySQLExecutionContext - -class _ZxJDBCBit(BIT): - def result_processor(self, dialect, coltype): - """Converts boolean or byte arrays from MySQL Connector/J to longs.""" - def process(value): - if value is None: - return value - if isinstance(value, bool): - return int(value) - v = 0L - for i in value: - v = v << 8 | (i & 0xff) - value = v - return value - return process - - -class MySQLExecutionContext_zxjdbc(MySQLExecutionContext): - def get_lastrowid(self): - cursor = self.create_cursor() - cursor.execute("SELECT LAST_INSERT_ID()") - lastrowid = cursor.fetchone()[0] - cursor.close() - return lastrowid - - -class MySQLDialect_zxjdbc(ZxJDBCConnector, MySQLDialect): - jdbc_db_name = 'mysql' - jdbc_driver_name = 'com.mysql.jdbc.Driver' - - execution_ctx_cls = MySQLExecutionContext_zxjdbc - - colspecs = util.update_copy( - MySQLDialect.colspecs, - { - sqltypes.Time: sqltypes.Time, - BIT: _ZxJDBCBit - } - ) - - def _detect_charset(self, connection): - """Sniff out the character set in use for connection results.""" - # Prefer 'character_set_results' for the current connection over the - # value in the driver. SET NAMES or individual variable SETs will - # change the charset without updating the driver's view of the world. - # - # If it's decided that issuing that sort of SQL leaves you SOL, then - # this can prefer the driver value. - rs = connection.execute("SHOW VARIABLES LIKE 'character_set%%'") - opts = dict((row[0], row[1]) for row in self._compat_fetchall(rs)) - for key in ('character_set_connection', 'character_set'): - if opts.get(key, None): - return opts[key] - - util.warn("Could not detect the connection character set. Assuming latin1.") - return 'latin1' - - def _driver_kwargs(self): - """return kw arg dict to be sent to connect().""" - return dict(characterEncoding='UTF-8', yearIsDateType='false') - - def _extract_error_code(self, exception): - # e.g.: DBAPIError: (Error) Table 'test.u2' doesn't exist - # [SQLCode: 1146], [SQLState: 42S02] 'DESCRIBE `u2`' () - m = re.compile(r"\[SQLCode\: (\d+)\]").search(str(exception.args)) - c = m.group(1) - if c: - return int(c) - - def _get_server_version_info(self,connection): - dbapi_con = connection.connection - version = [] - r = re.compile('[.\-]') - for n in r.split(dbapi_con.dbversion): - try: - version.append(int(n)) - except ValueError: - version.append(n) - return tuple(version) - -dialect = MySQLDialect_zxjdbc |