Hey Jonathan,
Try this:
Column('data', String(250), default=func.current_timestamp() + '12 hours')
Also, see attached sample for postgresql.
-G
On Thursday, May 11, 2006, 11:09:41 PM, you wrote:
> I'm trying to get SQLalchemy to set this as the insert value:
> Column( "timestamp_expires", DateTime, nullable=False ,
> default="NOW() + INTERVAL '12 hours'") ,
> the db looks like this:
> Column | Type |
> Modifiers
> ---------------------+-----------------------------
> +----------------------------------------
> timestamp_expires | timestamp without time zone | default (now() +
> '12:00:00'::interval)
> i'm not getting some sort of quoting right. can someone point me in
> the right direction?
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import sys
import time
from sqlalchemy import *
engine = create_engine('postgres', {'database':'test', 'host':'localhost',
'user':'xxx', 'password':'xxx'}, echo=True, echo_uow=True)
conn = engine.connection()
class Primary(object):
pass
try:
pri_t = Table('primary_table', engine,
Column('id', Integer, primary_key=True),
Column('data', String(250), default=func.current_timestamp() + '12
hours'),
Column('tmp', Integer)
)
pri_t.create()
pri_t.insert().execute(
{'tmp':1})
time.sleep(1)
pri_t.insert().execute(
{'tmp':2})
time.sleep(1)
pri_t.insert().execute(
{'tmp':3})
time.sleep(1)
pri_t.insert().execute(
{'tmp':4})
Primary.mapper = mapper(Primary, pri_t)
p1 = Primary.mapper.select_by(tmp=1)[0]
p2 = Primary.mapper.select_by(tmp=2)[0]
p3 = Primary.mapper.select_by(tmp=3)[0]
# Prints:
# 1 2006-05-12T11:56:01.500000+03:00
# 2 2006-05-12T11:56:02.522000+03:00
# 3 2006-05-12T11:56:03.533000+03:00
print p1.id, p1.data
print p2.id, p2.data
print p3.id, p3.data
finally:
pri_t.drop()
