Re: DatabaseError: ORA-01843: not a valid month

My environment : cx_Oracle 5.1.2, Oracle 11.2.0.1.0, Python 2.6.6

I use the following code:


>>>
>>> curr.execute("ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD
HH24:MI:SS' NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF'")
>>> curr.execute("select * from NLS_SESSION_PARAMETERS")
<__builtin__.OracleCursor on <cx_Oracle.Connection to wtrackeru@orcl>>
>>> curr.fetchall()
[('NLS_LANGUAGE', 'AMERICAN'), ('NLS_TERRITORY', 'AMERICA'),
('NLS_CURRENCY', '$'), ('NLS_ISO_CURRENCY', 'AMERICA'),
('NLS_NUMERIC_CHARACTERS', '.,'), ('NLS_CALENDAR', 'GREGORIAN'),
('NLS_DATE_FORMAT', 'YYYY-MM-DD HH24:MI:SS'), ('NLS_DATE_LANGUAGE',
'AMERICAN'), ('NLS_SORT', 'BINARY'), ('NLS_TIME_FORMAT', 'HH.MI.SSXFF AM'),
('NLS_TIMESTAMP_FORMAT', 'YYYY-MM-DD HH24:MI:SS.FF'),
('NLS_TIME_TZ_FORMAT', 'HH.MI.SSXFF AM TZR'), ('NLS_TIMESTAMP_TZ_FORMAT',
'DD-MON-RR HH.MI.SSXFF AM TZR'), ('NLS_DUAL_CURRENCY', '$'), ('NLS_COMP',
'BINARY'), ('NLS_LENGTH_SEMANTICS', 'BYTE'), ('NLS_NCHAR_CONV_EXCP',
'FALSE')]
>>> curr.execute("select to_date(:0), to_timestamp(:1) from dual",
[u'2013-03-12', u'2013-03-12 08:22:31.332144'])
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
cx_Oracle.DatabaseError: ORA-01843: not a valid month

>>>

--
Best regards,
Andrey Nikolaev                            mailto:[email protected]

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