On Fri, Feb 25, 2011 at 9:15 AM, Michael Bayer <mike...@zzzcomputing.com> wrote:
> % is significant in DBAPIs like postgresql and mysqldb where pyformat and 
> format:  %(foo)s and %s, are allowed, so % must be doubled.

So does psycopg2 send '%' or '%%' ?  It seems to me that if the
strings are held as atoms (individual arguments rather than a single,
concatenated string) then '%%' is unnecessary.

> On Feb 25, 2011, at 8:53 AM, Jon Nelson wrote:
>
>> I've been wondering something about sqlalchemy - let's say I have a
>> text column "foo". Being able to do foo.startswith(some_value),
>> foo.endswith, foo.like and so on is really nice. However, I've noticed
>> that the SQL that is emitted contains two percent signs. However, I
>> thought only one was necessary. Why is sqlalchemy emitting two?


-- 
Jon

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