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| author | Lukas Fleischer <lfleischer@archlinux.org> | 2017-04-19 08:53:30 +0200 |
|---|---|---|
| committer | Lukas Fleischer <lfleischer@archlinux.org> | 2017-04-19 09:13:09 +0200 |
| commit | 44858e06188946c0082bb09061fcfa6cbb33938b (patch) | |
| tree | c52a51105fac66a08d0d936b28c60c04b6d051b2 /upgrading | |
| parent | 15501972bce458ad7862786311ca8264f5f34081 (diff) | |
| download | aur-44858e06188946c0082bb09061fcfa6cbb33938b.tar.gz aur-44858e06188946c0082bb09061fcfa6cbb33938b.tar.xz | |
Store dependency descriptions in a separate column
Split optional dependency descriptions from dependency names before
storing them in the database and use a separate column to store the
descriptions.
This allows us to simplify and optimize the SQL queries in
pkg_dependencies() as well as pkg_required().
Suggested-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>
Diffstat (limited to 'upgrading')
| -rw-r--r-- | upgrading/4.6.0.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/upgrading/4.6.0.txt b/upgrading/4.6.0.txt new file mode 100644 index 00000000..45740f40 --- /dev/null +++ b/upgrading/4.6.0.txt @@ -0,0 +1,11 @@ +1. Add DepDesc column to PackageDepends and split dependency names: + +--- +ALTER TABLE PackageDepends ADD COLUMN DepDesc VARCHAR(255) NULL DEFAULT NULL; +UPDATE PackageDepends + SET DepDesc = SUBSTRING(DepName FROM POSITION(': ' IN DepName) + 2) + WHERE POSITION(': ' IN DepName) > 0; +UPDATE PackageDepends + SET DepName = SUBSTRING(DepName FROM 1 FOR POSITION(': ' IN DepName) - 1) + WHERE POSITION(': ' IN DepName) > 0; +--- |