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Fix package list performance (#30520) (#30616) 

Backport #30520 by @KN4CK3R

Fixes #28255

The new query uses the id field to sort by "newer". This most not be
correct (usually it is) but it's faster (see #28255).
If someone has a better idea, please propose changes.

Co-authored-by: KN4CK3R <admin@oldschoolhack.me>
(cherry picked from commit ea2ea8ef28b6a2207ec00bafaf42d428612d69eb)
This commit is contained in:
Giteabot 2024-04-21 08:50:50 +08:00 committed by Earl Warren
parent 0a9bbdcfef
commit 4777ba210f
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GPG Key ID: 0579CB2928A78A00
1 changed files with 11 additions and 11 deletions
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22
models/packages/package_version.go
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@ -287,9 +287,10 @@ func (opts *PackageSearchOptions) configureOrderBy(e db.Engine) {
// SearchVersions gets all versions of packages matching the search options
func SearchVersions(ctx context.Context, opts *PackageSearchOptions) ([]*PackageVersion, int64, error) {
sess := db.GetEngine(ctx).
Where(opts.ToConds()).
Select("package_version.*").
Table("package_version").
Join("INNER", "package", "package.id = package_version.package_id")
Join("INNER", "package", "package.id = package_version.package_id").
Where(opts.ToConds())
opts.configureOrderBy(sess)
@ -304,19 +305,18 @@ func SearchVersions(ctx context.Context, opts *PackageSearchOptions) ([]*Package
// SearchLatestVersions gets the latest version of every package matching the search options
func SearchLatestVersions(ctx context.Context, opts *PackageSearchOptions) ([]*PackageVersion, int64, error) {
cond := opts.ToConds().
And(builder.Expr("pv2.id IS NULL"))
joinCond := builder.Expr("package_version.package_id = pv2.package_id AND (package_version.created_unix < pv2.created_unix OR (package_version.created_unix = pv2.created_unix AND package_version.id < pv2.id))")
if opts.IsInternal.Has() {
joinCond = joinCond.And(builder.Eq{"pv2.is_internal": opts.IsInternal.Value()})
}
in := builder.
Select("MAX(package_version.id)").
From("package_version").
InnerJoin("package", "package.id = package_version.package_id").
Where(opts.ToConds()).
GroupBy("package_version.package_id")
sess := db.GetEngine(ctx).
Select("package_version.*").
Table("package_version").
Join("LEFT", "package_version pv2", joinCond).
Join("INNER", "package", "package.id = package_version.package_id").
Where(cond)
Where(builder.In("package_version.id", in))
opts.configureOrderBy(sess)