On Jun 11, 2010, at 11:17 AM, Michael Bayer wrote:

> 
> On Jun 11, 2010, at 7:46 AM, Witzel, Stefan wrote:
> 
>> Hello,
>> 
>> I'm trying to retrieve some column properties from a oracle database using
>> oracle+zxjdbc:
>> 
>> jdbcUrl =
>> '%(engine_dialect)s://%(username)s:%(password)s...@%(hostname)s:%(port)d/%(data
>> base)s' % connection
>> 
>> engine = sa.create_engine(jdbcUrl)
>> 
>> inspector = sa.engine.reflection.Inspector(engine)
> 
> use Inspector.from_engine(engine) here.   

correction, its a slight inaccuracy in how the inspector is doing its work.  
Just pass a connection, i.e. engine.connect(), to the Inspector, not an engine. 
   We will try to create a fix for this.



> 
> 
> 
> 
> 
>> tableNames = inspector.get_table_names()
>> for tableName in tableNames[:4]:
>>   columns = inspector.get_columns(tableName)
>>   print tableName
>>   for column in columns:
>>       print "    ", column['name'], ': ',str(column['type'])
>> 
>> The program termintes with the exception
>> 
>> Traceback (most recent call last):
>> File "oracle-test-b.py", line 23, in <module>
>>   tableNames = inspector.get_table_names()
>> File
>> "/usr/local/lib/jython251/Lib/site-packages/sqlalchemy/engine/reflection.py"
>> , line 98, in get_table_names
>>   tnames = self.dialect.get_table_names(self.conn,
>> File "<string>", line 1, in <lambda>
>> File
>> "/usr/local/lib/jython251/Lib/site-packages/sqlalchemy/engine/reflection.py"
>> , line 40, in cache
>>   ret = fn(self, con, *args, **kw)
>> File
>> "/usr/local/lib/jython251/Lib/site-packages/sqlalchemy/dialects/oracle/base.
>> py", line 764, in get_table_names
>>   schema = self.denormalize_name(schema or self.default_schema_name)
>> AttributeError: 'OracleDialect_zxjdbc' object has no attribute
>> 'default_schema_name'
>> 
>> Java 1.6.0 / Jython 2.5.1 / sqlalchemy 0.6.1
>> 
>> Thanks in advance.
>> 
>> PS: any problems when using postgresql
>> 
> 
> -- 
> You received this message because you are subscribed to the Google Groups 
> "sqlalchemy" group.
> To post to this group, send email to sqlalch...@googlegroups.com.
> To unsubscribe from this group, send email to 
> sqlalchemy+unsubscr...@googlegroups.com.
> For more options, visit this group at 
> http://groups.google.com/group/sqlalchemy?hl=en.
> 

-- 
You received this message because you are subscribed to the Google Groups 
"sqlalchemy" group.
To post to this group, send email to sqlalch...@googlegroups.com.
To unsubscribe from this group, send email to 
sqlalchemy+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/sqlalchemy?hl=en.

Reply via email to