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Avoid simply incrementing fragment ID to get next fragment

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This commit is contained in:
Danila Fedorin 2021-09-08 15:43:02 -07:00
parent 3ce2d0777d
commit 7f91e0c1bd
2 changed files with 2 additions and 6 deletions
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5
src/matrix/room/timeline/EventKey.ts
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@ -25,11 +25,6 @@ export class EventKey {
) {
}
nextFragmentKey(): EventKey {
// could take MIN_EVENT_INDEX here if it can't be paged back
return new EventKey(this.fragmentId + 1, KeyLimits.middleStorageKey);
}
nextKeyForDirection(direction: Direction): EventKey {
if (direction.isForward) {
return this.nextKey();

3
src/matrix/room/timeline/persistence/SyncWriter.js
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@ -124,7 +124,8 @@ export class SyncWriter {
} else if (timeline.limited) {
// replace live fragment for limited sync, *only* if we had a live fragment already
const oldFragmentId = currentKey.fragmentId;
currentKey = currentKey.nextFragmentKey();
const maxFragmentId = await txn.timelineFragments.getMaxFragmentId(this._roomId);
currentKey = EventKey.defaultFragmentKey(maxFragmentId + 1);
const {oldFragment, newFragment} = await this._replaceLiveFragment(oldFragmentId, currentKey.fragmentId, timeline.prev_batch, txn);
entries.push(FragmentBoundaryEntry.end(oldFragment, this._fragmentIdComparer));
entries.push(FragmentBoundaryEntry.start(newFragment, this._fragmentIdComparer));