#12205: rewrite conway polynomial spkg and code in Sage library to not use ZODB
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Reporter: was | Owner: was
Type: task | Status: new
Priority: major | Milestone: sage-5.6
Component: databases | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by nbruin):
Replying to [comment:23 rohana]:
> As for the second question, the only concern would be that the entire
database is loaded into memory with each instance (granted this might not
be a huge concern due to the small size of the database).
Perhaps store the database in a module-level variable then? Modules
naturally have a unique instance (or at least you have to work very hard
to get multiple instances). If the nature of the instance is known at
compile time (such as with a data base!) you might as well use the
mechanism to your advantage.
(for data bases in general: Especially for writable data bases, you
wouldn't want multiple instances backed by the same file)
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12205#comment:27>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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