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80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package storage
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import "encoding/json"
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type SegmentStats struct {
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FieldStats []FieldStats `json:"fieldStats"`
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NumRows int
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}
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func NewSegmentStats(fieldStats []FieldStats, rows int) *SegmentStats {
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return &SegmentStats{
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FieldStats: fieldStats,
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NumRows: rows,
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}
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}
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type PartitionStatsSnapshot struct {
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SegmentStats map[UniqueID]SegmentStats `json:"segmentStats"`
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Version int64
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}
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func NewPartitionStatsSnapshot() *PartitionStatsSnapshot {
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return &PartitionStatsSnapshot{
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SegmentStats: make(map[UniqueID]SegmentStats, 0),
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}
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}
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func (ps *PartitionStatsSnapshot) GetVersion() int64 {
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return ps.Version
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}
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func (ps *PartitionStatsSnapshot) SetVersion(v int64) {
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ps.Version = v
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}
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func (ps *PartitionStatsSnapshot) UpdateSegmentStats(segmentID UniqueID, segmentStats SegmentStats) {
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ps.SegmentStats[segmentID] = segmentStats
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}
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func DeserializePartitionsStatsSnapshot(data []byte) (*PartitionStatsSnapshot, error) {
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var messageMap map[string]*json.RawMessage
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err := json.Unmarshal(data, &messageMap)
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if err != nil {
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return nil, err
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}
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partitionStats := &PartitionStatsSnapshot{
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SegmentStats: make(map[UniqueID]SegmentStats),
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}
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err = json.Unmarshal(*messageMap["segmentStats"], &partitionStats.SegmentStats)
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if err != nil {
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return nil, err
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}
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return partitionStats, nil
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}
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func SerializePartitionStatsSnapshot(partStats *PartitionStatsSnapshot) ([]byte, error) {
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partData, err := json.Marshal(partStats)
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if err != nil {
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return nil, err
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}
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return partData, nil
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}
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