Method reindex

internal/freelist/shared.go:243–255

reindex rebuilds the free cache based on available and pending free lists.

()

// reindex rebuilds the free cache based on available and pending free lists.
func (t *shared) reindex() {
	free := t.freePageIds()
	pending := t.pendingPageIds()
	t.cache = make(map[common.Pgid]struct{}, len(free))
	for _, id := range free {
		t.cache[id] = struct{}{}
	}
	for _, txp := range pending {
		for _, pendingID := range txp.ids {
			t.cache[pendingID] = struct{}{}
		}
	}
}

func (t *shared) Read(p *common.Page) {
	if !p.IsFreelistPage() {