RPMDBI_PACKAGES differs from the indexes in how record searches behave, indexes
return NULL for non-existent values but with RPMDBI_PACKAGES (and the pseudo
index LABEL) we always get an iterator which we need to walk to determine
whether there's data or not. Use the newly introduced helper to get the
query return right.
One could argue that this should be done in the database code, but then the
behavior is kinda consistent other iteration over RPMDBI_PACKAGES: you
don't know how many, if any, matches there are until you walk it.
You can view, comment on, or merge this pull request online at:
https://github.com/rpm-software-management/rpm/pull/911
-- Commit Summary --
* Refactor query match counting to a helper function
* Fix --querybynumber on non-existent record, add test
-- File Changes --
M lib/query.c (31)
M tests/rpmdb.at (31)
-- Patch Links --
https://github.com/rpm-software-management/rpm/pull/911.patch
https://github.com/rpm-software-management/rpm/pull/911.diff
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