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[performance] Tweak media attachment cleanup; replace stale index (#2143)

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tobi 2023-08-21 15:03:04 +02:00 • committed by GitHub
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5 changed files with 104 additions and 153 deletions
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20
internal/db/media.go
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@ -50,24 +50,4 @@ type Media interface {
// GetCachedAttachmentsOlderThan gets limit n remote attachments (including avatars and headers) older than
// the given time. These will be returned in order of attachment.created_at descending (i.e. newest to oldest).
GetCachedAttachmentsOlderThan(ctx context.Context, olderThan time.Time, limit int) ([]*gtsmodel.MediaAttachment, error)
// CountRemoteOlderThan is like GetRemoteOlderThan, except instead of getting limit n attachments,
// it just counts how many remote attachments in the database (including avatars and headers) meet
// the olderThan criteria.
CountRemoteOlderThan(ctx context.Context, olderThan time.Time) (int, error)
// GetAvatarsAndHeaders fetches limit n avatars and headers with an id < maxID. These headers
// and avis may be in use or not; the caller should check this if it's important.
GetAvatarsAndHeaders(ctx context.Context, maxID string, limit int) ([]*gtsmodel.MediaAttachment, error)
// GetLocalUnattachedOlderThan fetches limit n local media attachments (including avatars and headers), older than
// the given time, which aren't header or avatars, and aren't attached to a status. In other words, attachments which were
// uploaded but never used for whatever reason, or attachments that were attached to a status which was subsequently deleted.
//
// These will be returned in order of attachment.created_at descending (newest to oldest in other words).
GetLocalUnattachedOlderThan(ctx context.Context, olderThan time.Time, limit int) ([]*gtsmodel.MediaAttachment, error)
// CountLocalUnattachedOlderThan is like GetLocalUnattachedOlderThan, except instead of getting limit n attachments,
// it just counts how many local attachments in the database meet the olderThan criteria.
CountLocalUnattachedOlderThan(ctx context.Context, olderThan time.Time) (int, error)
}