Hi,
According to sqlalchemy/dialects/mysql/base.py, MySQL v3.23 should be
supported in some form. However, with SA 0.6.1 and MySQL 3.23.58, I get
the following error:
>>> import sqlalchemy as sa
>>> e = sa.create_engine('mysql://user:passw...@host')
>>> e.execute('select "Hello World"')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/ve/sa6/lib/python2.5/site-packages/sqlalchemy/engine/base.py",
line 1714, in execute
connection = self.contextual_connect(close_with_result=True)
File "/ve/sa6/lib/python2.5/site-packages/sqlalchemy/engine/base.py",
line 1742, in contextual_connect
self.pool.connect(),
File "/ve/sa6/lib/python2.5/site-packages/sqlalchemy/pool.py", line
157, in connect
return _ConnectionFairy(self).checkout()
File "/ve/sa6/lib/python2.5/site-packages/sqlalchemy/pool.py", line
321, in __init__
rec = self._connection_record = pool.get()
File "/ve/sa6/lib/python2.5/site-packages/sqlalchemy/pool.py", line
176, in get
return self.do_get()
File "/ve/sa6/lib/python2.5/site-packages/sqlalchemy/pool.py", line
670, in do_get
con = self.create_connection()
File "/ve/sa6/lib/python2.5/site-packages/sqlalchemy/pool.py", line
137, in create_connection
return _ConnectionRecord(self)
File "/ve/sa6/lib/python2.5/site-packages/sqlalchemy/pool.py", line
217, in __init__
l.first_connect(self.connection, self)
File
"/ve/sa6/lib/python2.5/site-packages/sqlalchemy/engine/strategies.py",
line 145, in first_connect
dialect.initialize(c)
File
"/ve/sa6/lib/python2.5/site-packages/sqlalchemy/dialects/mysql/base.py",
line 1755, in initialize
default.DefaultDialect.initialize(self, connection)
File
"/ve/sa6/lib/python2.5/site-packages/sqlalchemy/engine/default.py", line
138, in initialize
self.returns_unicode_strings =
self._check_unicode_returns(connection)
File
"/ve/sa6/lib/python2.5/site-packages/sqlalchemy/engine/default.py", line
183, in _check_unicode_returns
unicode_for_varchar = check_unicode(sqltypes.VARCHAR(60))
File
"/ve/sa6/lib/python2.5/site-packages/sqlalchemy/engine/default.py", line
173, in check_unicode
]).compile(dialect=self)
File
"/ve/sa6/lib/python2.5/site-packages/MySQL_python-1.2.2-py2.5-linux-i686
.egg/MySQLdb/cursors.py", line 166, in execute
self.errorhandler(self, exc, value)
File
"/ve/sa6/lib/python2.5/site-packages/MySQL_python-1.2.2-py2.5-linux-i686
.egg/MySQLdb/connections.py", line 35, in defaulterrorhandler
raise errorclass, errorvalue
_mysql_exceptions.ProgrammingError: (1064, "You have an error in your
SQL syntax near '('test unicode returns' AS CHAR(60)) AS anon_1' at line
1")
According to http://dev.mysql.com/doc/refman/4.1/en/cast-functions.html,
the CAST function was added in 4.0.2.
Is there any way that I can avoid this error? Perhaps with some engine
or dialect option that configures the returns_unicode_strings attribute
without running the test?
Thanks a lot,
Simon
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