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[performance] overhaul struct (+ result) caching library for simplicity, performance and multiple-result lookups (#2535)

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* rewrite cache library as codeberg.org/gruf/go-structr, implement in gotosocial

* use actual go-structr release version (not just commit hash)

* revert go toolchain changes (damn you go for auto changing this)

* fix go mod woes

* ensure %w is used in calls to errs.Appendf()

* fix error checking

* fix possible panic

* remove unnecessary start/stop functions, move to main Cache{} struct, add note regarding which caches require start/stop

* fix copy-paste artifact... 😇

* fix all comment copy-paste artifacts

* remove dropID() function, now we can just use slices.DeleteFunc()

* use util.Deduplicate() instead of collate(), move collate to util

* move orderByIDs() to util package and "generify"

* add a util.DeleteIf() function, use this to delete entries on failed population

* use slices.DeleteFunc() instead of util.DeleteIf() (i had the logic mixed up in my head somehow lol)

* add note about how collate differs from deduplicate
This commit is contained in:
kim 2024-01-19 12:57:29 +00:00 • committed by GitHub
commit 7ec1e1332e
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66 changed files with 4038 additions and 2711 deletions
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8
internal/db/bundb/user.go
View file

@ -116,7 +116,7 @@ func (u *userDB) GetUserByConfirmationToken(ctx context.Context, token string) (
func (u *userDB) getUser(ctx context.Context, lookup string, dbQuery func(*gtsmodel.User) error, keyParts ...any) (*gtsmodel.User, error) {
// Fetch user from database cache with loader callback.
user, err := u.state.Caches.GTS.User().Load(lookup, func() (*gtsmodel.User, error) {
user, err := u.state.Caches.GTS.User.LoadOne(lookup, func() (*gtsmodel.User, error) {
var user gtsmodel.User
// Not cached! perform database query.
@ -179,7 +179,7 @@ func (u *userDB) GetAllUsers(ctx context.Context) ([]*gtsmodel.User, error) {
}
func (u *userDB) PutUser(ctx context.Context, user *gtsmodel.User) error {
return u.state.Caches.GTS.User().Store(user, func() error {
return u.state.Caches.GTS.User.Store(user, func() error {
_, err := u.db.
NewInsert().
Model(user).
@ -197,7 +197,7 @@ func (u *userDB) UpdateUser(ctx context.Context, user *gtsmodel.User, columns ..
columns = append(columns, "updated_at")
}
return u.state.Caches.GTS.User().Store(user, func() error {
return u.state.Caches.GTS.User.Store(user, func() error {
_, err := u.db.
NewUpdate().
Model(user).
@ -209,7 +209,7 @@ func (u *userDB) UpdateUser(ctx context.Context, user *gtsmodel.User, columns ..
}
func (u *userDB) DeleteUserByID(ctx context.Context, userID string) error {
defer u.state.Caches.GTS.User().Invalidate("ID", userID)
defer u.state.Caches.GTS.User.Invalidate("ID", userID)
// Load user into cache before attempting a delete,
// as we need it cached in order to trigger the invalidate