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wernermisc/qpkg/TODO

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2010-11-20 00:16:00 +02:00
- optimize the search trees. Right now, we have 81812 calls to make_id
for 14601 packages, resulting in 7420560 calls to comp_id.
There can be at most 2 new identifiers per package (package name and
version), so a perfectly balanced tree should have a depth of no more
than 14. If we assume that each call to make_id searches to the bottom,
we'd get 1145368 calls to comp_id, about 15% of the current number.
So the tree is clearly degenerated.
- check whether introducing a new package would cause a conflict
- compile the list of conflicts of installed packages
- handle Provides:
- if there are multiple choices, try to prefer more recent versions
- sort prerequisites such that they can be installed in the specified order
- consider Architecture:
- what to do with explicit and implicit replacement ?
- if we can't resolve the prerequisites, give at least a hint of what one
can do to improve the situation
- check database for internal consistency
- implement keyword search