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837ac295fa
Iterators are long deprecated, but sort are still using it. This PR unifies stats task with the latest compaction common functions and remove the usage of iterators. 1. Rename `datanode/compaction` to `datanode/compactor` 2. Add `internal/compaction` and move some compaction commons into it. 3. Replace `DeltalogIterators` with `ComposeDeleteFromDeltalogs` 4. Remove `datanode/iterators` See also: #39242 Signed-off-by: yangxuan <xuan.yang@zilliz.com>
41 lines
701 B
Go
41 lines
701 B
Go
package compactor
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import "github.com/milvus-io/milvus/internal/storage"
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type PQItem struct {
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Value *storage.Value
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Index int
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Pos int
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}
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type PriorityQueue []*PQItem
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func (pq PriorityQueue) Len() int { return len(pq) }
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func (pq PriorityQueue) Less(i, j int) bool {
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return pq[i].Value.PK.LT(pq[j].Value.PK)
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}
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func (pq PriorityQueue) Swap(i, j int) {
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pq[i], pq[j] = pq[j], pq[i]
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pq[i].Pos = i
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pq[j].Pos = j
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}
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func (pq *PriorityQueue) Push(x interface{}) {
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n := len(*pq)
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item := x.(*PQItem)
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item.Pos = n
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*pq = append(*pq, item)
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}
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func (pq *PriorityQueue) Pop() interface{} {
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old := *pq
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n := len(old)
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item := old[n-1]
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old[n-1] = nil
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item.Pos = -1
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*pq = old[0 : n-1]
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return item
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}
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