Also what would be a syntax to make a same selection using
session.query(th)?
what would you like the ORM query to return ? Object instances ?
currently, using group_by() and such with Query implies you're getting
individual column tuples back using _values(), in which case its
On Apr 11, 2008, at 10:41 AM, Lukasz Szybalski wrote:
So I tried instead of doing:
s
=
sqlalchemy
.select
([th
.RECORD_NO
,sqlalchemy
.func
.count
(th
.RECORD_NO
)],sqlalchemy
.and_
(th
.APPLIED_TEST
==1,th.CODING_DATE=='20080404')).group_by(th.RECORD_NO).execute()
do this:
File sqlalchemy/databases/mssql.py, line 499, in do_execute
cursor.execute(SET IDENTITY_INSERT %s OFF %
self
.identifier_preparer.format_table(context.compiled.statement.table))
SystemError: 'finally' pops bad exception
This seems to be some weird error either with pyodbc or with
I.e., *all* columns from th are being added to the columns clause of
the select. According to the SQL standard, these names all need to
be added to the GROUP BY as well - if MS-SQL is allowing only a
partial GROUP BY list, thats just poor behavior on the part of MS-SQL
(MySQL has this
On Apr 11, 2008, at 12:51 PM, Lukasz Szybalski wrote:
Is there a way to get this ?
SELECT RECORD_NO, count(RECORD_NO) FROM table GROUP BY RECORD_NO
(primary key is RECORD_ID)
The only way I know how to do it is via sqlalchemy.select
but I would like the query type of the return where my
ok, I don't think we are on a same page. So let me explain what I
want and maybe unconfused myself on what is a proper way to get data
out of database via sqlalchemy orm style.
Query class should not be confused with the Select class, which
defines database SELECT operations at the SQL
On Apr 11, 2008, at 2:51 PM, Lukasz Szybalski wrote:
Above statements should result in query like: 'select a,count(a) from
x where b=5,c=6 group by a'
In order to get ORM object I need to use query. (That is what I get
from reading the sentence I quoted)
From the above, what ORM object
Above statements should result in query like: 'select a,count(a) from
x where b=5,c=6 group by a'
In order to get ORM object I need to use query. (That is what I get
from reading the sentence I quoted)
From the above, what ORM object would you like ? the one which has
a as
On Apr 11, 2008, at 4:40 PM, Lukasz Szybalski wrote:
It makes sense now. I assumed that ORM object will only return 1
column I group by, and a count. When it returns the full row then my
group_by makes no sense.
Thanks
Lucas
ps. The links were really helpful !
greatglad that
On Apr 10, 2008, at 5:11 PM, Lukasz Szybalski wrote:
Hello,
I am trying to do a simple query which gets id, count(*) group by id,
s
=
sqlalchemy
.select
([th
.RECORD_NO
,sqlalchemy
.func
.count
(th
.RECORD_NO
)],sqlalchemy
.and_
(th
.APPLIED_TEST
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