Hi,
I have sql alchemy , cx_Oracle installed , Python 2.7 installed on my
windows machine.
Trying to run a sql using SQL Alchemy and it fails with the below error:
"sqlalchemy.exc.DatabaseError: (cx_Oracle.DatabaseError) ORA-00906: missing
left parenthesis"
This is the SQL i have:
('SELECT count(:count_2) AS count_1 \nFROM measure \nWHERE
lower(CAST(measure.measure_code AS NVARCHAR2)) LIKE lower(:param_1) OR
lower(CAST(measure.measure_name AS NVARCHAR2)) LIKE lower(:param_2)' ,
{'param_1': u'%da%', 'count_2': '*', 'param_2': u'%da%'})
Stack Trace:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"C:\Project\flask-admin-project\lib\site-packages\sqlalchemy\engine\base.py",
line 939, in execute
return self._execute_text(object, multiparams, params)
File
"C:\Project\flask-admin-project\lib\site-packages\sqlalchemy\engine\base.py",
line 1097, in _execute_text
statement, parameters
File
"C:\Project\flask-admin-project\lib\site-packages\sqlalchemy\engine\base.py",
line 1189, in _execute_context
context)
File
"C:\Project\flask-admin-project\lib\site-packages\sqlalchemy\engine\base.py",
line 1402, in _handle_dbapi_exception
exc_info
File
"C:\Project\flask-admin-project\lib\site-packages\sqlalchemy\util\compat.py",
line 203, in raise_from_cause
reraise(type(exception), exception, tb=exc_tb, cause=cause)
File
"C:\Project\flask-admin-project\lib\site-packages\sqlalchemy\engine\base.py",
line 1182, in _execute_context
context)
File
"C:\Project\flask-admin-project\lib\site-packages\sqlalchemy\engine\default.py",
line 470, in do_execute
cursor.execute(statement, parameters)
sqlalchemy.exc.DatabaseError: (cx_Oracle.DatabaseError) ORA-00906: missing
left parenthesis [SQL: 'SELECT count(:count_2) AS count_1 \nFROM measure
\nWHERE lower(CAST(measure.measure_code AS N
ARCHAR2)) LIKE lower(:param_1) OR lower(CAST(measure.measure_name AS
NVARCHAR2)) LIKE lower(:param_2)'] [parameters: {'param_1': u'%da%',
'count_2': '*', 'param_2': u'%da%'}]
I modified the SQL to remove the CAST function and tried again . It worked.
As the first SQL is system generated SQL, i cannot modify it .
Is there any way i can force SQL Alchemy not to do CAST on the measure code
column?
Request you please help.
Thanks,
Venugopal.
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SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
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