Well, Michael, what you say sounds reasonable. However, I think
something more strange is going on (unless I am making a very stupid
mistake, which is entirely likely)
I am using the current pylons framework. I have tried to follow their
recommendations to the letter. All of my queries are in a single file,
and all use the single "Session" global variable created by
scoped_session() for the session.
I have created test cases (inside the framework) to isolate what is
happening. I then exercise them by posting scads of http requests from
multiple processes to the paster server. Currently, I am using a test
run of 10 concurrent processes each sending 1000 requests.
The errors seem to be specific to a *table*.
Here's an example - 2 tables author_t, and keyword_t
author_t = Table('author', meta,
Column('authorkey', Unicode(35), primary_key=True),
Column('lastname', Unicode),
Column('firstname', Unicode),
)
keyword_t = Table('keyword', meta,
Column('word', Unicode(20), primary_key = True),
Column('stem', Unicode(20)),
Column('freq', Integer),
)
1. when I do the following, *never* have seen the error ("keyword" set
to a unicode string):
s1 = select([keyword_t.c.word,],
keyword_t.c.word == keyword)
keyword = Session.execute(s1).fetchone()
2. However, when I do the following, I *always* find errors in a run
("authorkey" set to a u string):
s1 = select([author_t.c.authorkey,],
author_t.c.authorkey == authorkey)
author = Session.execute(s1).fetchone()
So I am totally confused. What I am doing should be very simple. The
tables are simple. The relations are simple.
Can you shed any light?????
Thanks a million for your help.
David
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