Kent wrote:
> Any plans to support MINVALUE, MAXVALUE, CYCLE, NOCYCLE for sequences
> (for both postgres and oracle)?
>
> I've implemented a subclass of Sequence myself, but it isn't very
> elegant, because I'm not familiar enough with the code to know which
> methods to override for create() output.
correction: redefine the compilation for CreateSequence:
from sqlalchemy import *
from sqlalchemy import schema
from sqlalchemy.ext.compiler import compiles
class MySeq(Sequence):
def __init__(self, *args, **kw):
self.cycle = kw.pop('cycle', False)
super(MySeq, self).__init__(*args, **kw)
@compiles(schema.CreateSequence)
def compile(element, compiler, **kw):
if isinstance(element.element, MySeq):
return "CREATE SEQUENCE %s %s" % (element.element.name,
element.element.cycle and "CYCLE" or "")
else:
return compiler.visit_create_sequence(element)
>
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