Hi,
The following function (bugfn) gives errors when I try to execute it with
postgresql using sqlalchemy.sql's text function. I thought the problem was
with using double quotes (") and/or single quotes (') inside the string,
but no, it seems to be perfectly happy with sex_sub for example.
Executing bugfn directly in psql works fine, so it is not a postgres
problem.
Traceback follows. If I need to submit an issue, let me know. Please cc me
on any reply.
Regards, Faheem Mitha.
***************************************************************************
Traceback (most recent call last):
File "dbsession.py", line 260, in <module>
make_tables(dbstring)
File "dbsession.py", line 146, in make_tables
conn.execute(create_bug_function)
File "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line
806, in execute
return Connection.executors[c](self, object, multiparams, params)
File "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line
856, in execute_clauseelement
return self.__execute_context(context)
File "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line
878, in __execute_context
self._cursor_execute(context.cursor, context.statement,
context.parameters[0], context=context)
File "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line
925, in _cursor_execute
self.dialect.do_execute(cursor, statement, parameters,
context=context)
File "/var/lib/python-support/python2.5/sqlalchemy/engine/default.py",
line 122, in do_execute
cursor.execute(statement, parameters)
TypeError: 'dict' object is unindexable
************************************************************************
from sqlalchemy.sql import text
create_plpython = text("""
CREATE LANGUAGE plpythonu;
""")
create_bug_function = text("""
CREATE OR REPLACE FUNCTION bugfn (sex text)
RETURNS integer
AS $$
if sex == 'F':
return 2
else:
raise RuntimeError, "%s is wrong"%(sex)
$$ LANGUAGE plpythonu;
""")
create_sex_sub_function = text("""
CREATE OR REPLACE FUNCTION sex_sub (sex text)
RETURNS integer
AS $$
if sex == 'M':
return 1
if sex == 'F':
return 2
else:
raise RuntimeError, "sex must be either 'M' or 'F' but is '" + sex +
"'."
$$ LANGUAGE plpythonu;
""")
[...]
db = create_engine("postgres://btsnp:foo...@localhost:5432/btsnp_test")
conn = db.connect()
conn.execute(create_plpython)
conn.execute(create_sex_sub_function)
conn.execute(create_bug_function)
conn.close()
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