[performance] add caching of status fave, boost of, in reply to ID lists (#2060)

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kim 2023-08-04 12:28:33 +01:00 committed by GitHub
commit 9a291dea84
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27 changed files with 610 additions and 406 deletions

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@ -20,7 +20,6 @@ package bundb
import (
"container/list"
"context"
"database/sql"
"errors"
"time"
@ -96,6 +95,26 @@ func (s *statusDB) GetStatusByURL(ctx context.Context, url string) (*gtsmodel.St
)
}
func (s *statusDB) GetStatusBoost(ctx context.Context, boostOfID string, byAccountID string) (*gtsmodel.Status, error) {
return s.getStatus(
ctx,
"BoostOfID.AccountID",
func(status *gtsmodel.Status) error {
return s.newStatusQ(status).
Where("status.boost_of_id = ?", boostOfID).
Where("status.account_id = ?", byAccountID).
// Our old code actually allowed a status to
// be boosted multiple times by the same author,
// so limit our query + order to fetch latest.
Order("status.id DESC"). // our IDs are timestamped
Limit(1).
Scan(ctx)
},
boostOfID, byAccountID,
)
}
func (s *statusDB) getStatus(ctx context.Context, lookup string, dbQuery func(*gtsmodel.Status) error, keyParts ...any) (*gtsmodel.Status, error) {
// Fetch status from database cache with loader callback
status, err := s.state.Caches.GTS.Status().Load(lookup, func() (*gtsmodel.Status, error) {
@ -245,11 +264,7 @@ func (s *statusDB) PopulateStatus(ctx context.Context, status *gtsmodel.Status)
}
}
if err := errs.Combine(); err != nil {
return gtserror.Newf("%w", err)
}
return nil
return errs.Combine()
}
func (s *statusDB) PutStatus(ctx context.Context, status *gtsmodel.Status) error {
@ -506,25 +521,17 @@ func (s *statusDB) GetStatusChildren(ctx context.Context, status *gtsmodel.Statu
}
func (s *statusDB) statusChildren(ctx context.Context, status *gtsmodel.Status, foundStatuses *list.List, onlyDirect bool, minID string) {
var childIDs []string
q := s.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Column("status.id").
Where("? = ?", bun.Ident("status.in_reply_to_id"), status.ID)
if minID != "" {
q = q.Where("? > ?", bun.Ident("status.id"), minID)
}
if err := q.Scan(ctx, &childIDs); err != nil {
if err != sql.ErrNoRows {
log.Errorf(ctx, "error getting children for %q: %v", status.ID, err)
}
childIDs, err := s.getStatusReplyIDs(ctx, status.ID)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
log.Errorf(ctx, "error getting status %s children: %v", status.ID, err)
return
}
for _, id := range childIDs {
if id <= minID {
continue
}
// Fetch child with ID from database
child, err := s.GetStatusByID(ctx, id)
if err != nil {
@ -553,48 +560,80 @@ func (s *statusDB) statusChildren(ctx context.Context, status *gtsmodel.Status,
}
}
func (s *statusDB) CountStatusReplies(ctx context.Context, status *gtsmodel.Status) (int, error) {
return s.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Where("? = ?", bun.Ident("status.in_reply_to_id"), status.ID).
Count(ctx)
func (s *statusDB) GetStatusReplies(ctx context.Context, statusID string) ([]*gtsmodel.Status, error) {
statusIDs, err := s.getStatusReplyIDs(ctx, statusID)
if err != nil {
return nil, err
}
return s.GetStatusesByIDs(ctx, statusIDs)
}
func (s *statusDB) CountStatusReblogs(ctx context.Context, status *gtsmodel.Status) (int, error) {
return s.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Where("? = ?", bun.Ident("status.boost_of_id"), status.ID).
Count(ctx)
func (s *statusDB) CountStatusReplies(ctx context.Context, statusID string) (int, error) {
statusIDs, err := s.getStatusReplyIDs(ctx, statusID)
return len(statusIDs), err
}
func (s *statusDB) CountStatusFaves(ctx context.Context, status *gtsmodel.Status) (int, error) {
return s.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("status_faves"), bun.Ident("status_fave")).
Where("? = ?", bun.Ident("status_fave.status_id"), status.ID).
Count(ctx)
func (s *statusDB) getStatusReplyIDs(ctx context.Context, statusID string) ([]string, error) {
return s.state.Caches.GTS.InReplyToIDs().Load(statusID, func() ([]string, error) {
var statusIDs []string
// Status reply IDs not in cache, perform DB query!
if err := s.db.
NewSelect().
Table("statuses").
Column("id").
Where("? = ?", bun.Ident("in_reply_to_id"), statusID).
Order("id DESC").
Scan(ctx, &statusIDs); err != nil {
return nil, s.db.ProcessError(err)
}
return statusIDs, nil
})
}
func (s *statusDB) IsStatusFavedBy(ctx context.Context, status *gtsmodel.Status, accountID string) (bool, error) {
q := s.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("status_faves"), bun.Ident("status_fave")).
Where("? = ?", bun.Ident("status_fave.status_id"), status.ID).
Where("? = ?", bun.Ident("status_fave.account_id"), accountID)
return s.db.Exists(ctx, q)
func (s *statusDB) GetStatusBoosts(ctx context.Context, statusID string) ([]*gtsmodel.Status, error) {
statusIDs, err := s.getStatusBoostIDs(ctx, statusID)
if err != nil {
return nil, err
}
return s.GetStatusesByIDs(ctx, statusIDs)
}
func (s *statusDB) IsStatusRebloggedBy(ctx context.Context, status *gtsmodel.Status, accountID string) (bool, error) {
q := s.db.
NewSelect().
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
Where("? = ?", bun.Ident("status.boost_of_id"), status.ID).
Where("? = ?", bun.Ident("status.account_id"), accountID)
func (s *statusDB) IsStatusBoostedBy(ctx context.Context, statusID string, accountID string) (bool, error) {
boost, err := s.GetStatusBoost(
gtscontext.SetBarebones(ctx),
statusID,
accountID,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return false, err
}
return (boost != nil), nil
}
return s.db.Exists(ctx, q)
func (s *statusDB) CountStatusBoosts(ctx context.Context, statusID string) (int, error) {
statusIDs, err := s.getStatusBoostIDs(ctx, statusID)
return len(statusIDs), err
}
func (s *statusDB) getStatusBoostIDs(ctx context.Context, statusID string) ([]string, error) {
return s.state.Caches.GTS.BoostOfIDs().Load(statusID, func() ([]string, error) {
var statusIDs []string
// Status boost IDs not in cache, perform DB query!
if err := s.db.
NewSelect().
Table("statuses").
Column("id").
Where("? = ?", bun.Ident("boost_of_id"), statusID).
Order("id DESC").
Scan(ctx, &statusIDs); err != nil {
return nil, s.db.ProcessError(err)
}
return statusIDs, nil
})
}
func (s *statusDB) IsStatusMutedBy(ctx context.Context, status *gtsmodel.Status, accountID string) (bool, error) {
@ -616,16 +655,3 @@ func (s *statusDB) IsStatusBookmarkedBy(ctx context.Context, status *gtsmodel.St
return s.db.Exists(ctx, q)
}
func (s *statusDB) GetStatusReblogs(ctx context.Context, status *gtsmodel.Status) ([]*gtsmodel.Status, error) {
reblogs := []*gtsmodel.Status{}
q := s.
newStatusQ(&reblogs).
Where("? = ?", bun.Ident("status.boost_of_id"), status.ID)
if err := q.Scan(ctx); err != nil {
return nil, s.db.ProcessError(err)
}
return reblogs, nil
}