> Hi
> 
> I usually use MySQL to develop on, however I need to work with Postgres for 
> the first time today so I fired it up.  I have a routine which converts a 
> non-SQL database into the database of choice, converting its schema into a 
> new table in the target database using SQA, and then copies all the data in 
> the source database into the new SQL table.   
> 
> That all worked fine into the Postgres+pg8000 database.  My problem is when I 
> then attempt to open up a table again using auto reflection I get an error 
> I've never seen before, and I don't get how this can be, given the table was 
> created via sqlalchemy?  The data looks fine in the table, and all columns 
> are created as I expected (converting to the correct Postrgres column types 
> etc.
> 
> Error when I issue   t = Table('my_table', meta, autoload=True) is; (sorry 
> about the screen shot, I'm working in a bad RDP client and can't cut/paste 
> into my Mac. :-(
> 
> <PastedGraphic-1.png>
> 
> So it appears to be having some problem in the reflection, but I can't see 
> why - I hope there is a setting in the connection or something I can do to 
> fix this up?  I've never used Postgres before, so I'm groping in the dark..   
> From Googling around, it appears that there is some issue with determining 
> the schema or some such, but it's all assuming I know a lot more about 
> Postgres than I do!
> 
> Cheers
> Warwick
> 

Further to the above - I looked into my code for the database cloning explained 
above, to see how IT opened the table.  It worked because I was still using the 
same MetaData object, therefore the column defs were cached.  The error happens 
on a virgin MetaData object with autoload.

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