当前位置: 首页>>代码示例>>Golang>>正文

Golang KVWriter.NewBatch方法代码示例

本文整理汇总了Golang中github.com/blevesearch/bleve/index/store.KVWriter.NewBatch方法的典型用法代码示例。如果您正苦于以下问题：Golang KVWriter.NewBatch方法的具体用法？Golang KVWriter.NewBatch怎么用？Golang KVWriter.NewBatch使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/blevesearch/bleve/index/store.KVWriter的用法示例。


在下文中一共展示了KVWriter.NewBatch方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: storeVersion

func (f *Firestorm) storeVersion(writer store.KVWriter) error {
	vr := NewVersionRow(Version)
	wb := writer.NewBatch()
	wb.Set(vr.Key(), vr.Value())
	err := writer.ExecuteBatch(wb)
	return err
}
开发者ID:BobbWu，项目名称:bleve，代码行数:7，代码来源:version.go

示例2: batchRows

func (udc *UpsideDownCouch) batchRows(writer store.KVWriter, addRows []UpsideDownCouchRow, updateRows []UpsideDownCouchRow, deleteRows []UpsideDownCouchRow) (err error) {

	// prepare batch
	wb := writer.NewBatch()

	// add
	for _, row := range addRows {
		tfr, ok := row.(*TermFrequencyRow)
		if ok {
			// need to increment counter
			dictionaryKey := tfr.DictionaryRowKey()
			wb.Merge(dictionaryKey, dictionaryTermIncr)
		}
		wb.Set(row.Key(), row.Value())
	}

	// update
	for _, row := range updateRows {
		wb.Set(row.Key(), row.Value())
	}

	// delete
	for _, row := range deleteRows {
		tfr, ok := row.(*TermFrequencyRow)
		if ok {
			// need to decrement counter
			dictionaryKey := tfr.DictionaryRowKey()
			wb.Merge(dictionaryKey, dictionaryTermDecr)
		}
		wb.Delete(row.Key())
	}

	// write out the batch
	return wb.Execute()
}
开发者ID:trebogeer，项目名称:bleve，代码行数:35，代码来源:upside_down.go

示例3: DeleteInternal

func (f *Firestorm) DeleteInternal(key []byte) (err error) {
	internalRow := NewInternalRow(key, nil)
	var writer store.KVWriter
	writer, err = f.store.Writer()
	if err != nil {
		return
	}
	defer func() {
		if cerr := writer.Close(); err == nil && cerr != nil {
			err = cerr
		}
	}()

	wb := writer.NewBatch()
	wb.Delete(internalRow.Key())

	return writer.ExecuteBatch(wb)
}
开发者ID:nourish，项目名称:bleve，代码行数:18，代码来源:firestorm.go

示例4: DeleteInternal

func (udc *SmolderingCouch) DeleteInternal(key []byte) (err error) {
	internalRow := NewInternalRow(key, nil)
	udc.writeMutex.Lock()
	defer udc.writeMutex.Unlock()
	var writer store.KVWriter
	writer, err = udc.store.Writer()
	if err != nil {
		return
	}
	defer func() {
		if cerr := writer.Close(); err == nil && cerr != nil {
			err = cerr
		}
	}()

	batch := writer.NewBatch()
	batch.Delete(internalRow.Key())
	return writer.ExecuteBatch(batch)
}
开发者ID:ekanite，项目名称:bleve，代码行数:19，代码来源:smoldering.go

示例5: SetInternal

func (udc *UpsideDownCouch) SetInternal(key, val []byte) (err error) {
	internalRow := NewInternalRow(key, val)
	udc.writeMutex.Lock()
	defer udc.writeMutex.Unlock()
	var writer store.KVWriter
	writer, err = udc.store.Writer()
	if err != nil {
		return
	}
	defer func() {
		if cerr := writer.Close(); err == nil && cerr != nil {
			err = cerr
		}
	}()

	batch := writer.NewBatch()
	batch.Set(internalRow.Key(), internalRow.Value())

	return writer.ExecuteBatch(batch)
}
开发者ID:ekanite，项目名称:bleve，代码行数:20，代码来源:upside_down.go

示例6: batchRows

func (udc *UpsideDownCouch) batchRows(writer store.KVWriter, addRows []UpsideDownCouchRow, updateRows []UpsideDownCouchRow, deleteRows []UpsideDownCouchRow) (err error) {

	// prepare batch
	wb := writer.NewBatch()

	// add
	for _, row := range addRows {
		tfr, ok := row.(*TermFrequencyRow)
		if ok {
			// need to increment counter
			summaryKey := tfr.SummaryKey()
			wb.Merge(summaryKey, newTermSummaryIncr())
		}
		wb.Set(row.Key(), row.Value())
	}

	// update
	for _, row := range updateRows {
		wb.Set(row.Key(), row.Value())
	}

	// delete
	for _, row := range deleteRows {
		tfr, ok := row.(*TermFrequencyRow)
		if ok {
			// need to decrement counter
			summaryKey := tfr.SummaryKey()
			wb.Merge(summaryKey, newTermSummaryDecr())
		}
		wb.Delete(row.Key())
	}

	// write out the batch
	err = wb.Execute()
	if err != nil {
		return
	}
	return
}
开发者ID:jingweno，项目名称:bleve，代码行数:39，代码来源:upside_down.go

示例7: batchRows

func (udc *UpsideDownCouch) batchRows(writer store.KVWriter, addRowsAll [][]UpsideDownCouchRow, updateRowsAll [][]UpsideDownCouchRow, deleteRowsAll [][]UpsideDownCouchRow) (err error) {

	// prepare batch
	wb := writer.NewBatch()
	defer func() {
		_ = wb.Close()
	}()

	// buffer to work with
	rowBuf := GetRowBuffer()

	dictionaryDeltas := make(map[string]int64)

	// add
	for _, addRows := range addRowsAll {
		for _, row := range addRows {
			tfr, ok := row.(*TermFrequencyRow)
			if ok {
				if tfr.DictionaryRowKeySize() > len(rowBuf) {
					rowBuf = make([]byte, tfr.DictionaryRowKeySize())
				}
				dictKeySize, err := tfr.DictionaryRowKeyTo(rowBuf)
				if err != nil {
					return err
				}
				dictionaryDeltas[string(rowBuf[:dictKeySize])] += 1
			}
			if row.KeySize()+row.ValueSize() > len(rowBuf) {
				rowBuf = make([]byte, row.KeySize()+row.ValueSize())
			}
			keySize, err := row.KeyTo(rowBuf)
			if err != nil {
				return err
			}
			valSize, err := row.ValueTo(rowBuf[keySize:])
			wb.Set(rowBuf[:keySize], rowBuf[keySize:keySize+valSize])
		}
	}

	// update
	for _, updateRows := range updateRowsAll {
		for _, row := range updateRows {
			if row.KeySize()+row.ValueSize() > len(rowBuf) {
				rowBuf = make([]byte, row.KeySize()+row.ValueSize())
			}
			keySize, err := row.KeyTo(rowBuf)
			if err != nil {
				return err
			}
			valSize, err := row.ValueTo(rowBuf[keySize:])
			if err != nil {
				return err
			}
			wb.Set(rowBuf[:keySize], rowBuf[keySize:keySize+valSize])
		}
	}

	// delete
	for _, deleteRows := range deleteRowsAll {
		for _, row := range deleteRows {
			tfr, ok := row.(*TermFrequencyRow)
			if ok {
				// need to decrement counter
				if tfr.DictionaryRowKeySize() > len(rowBuf) {
					rowBuf = make([]byte, tfr.DictionaryRowKeySize())
				}
				dictKeySize, err := tfr.DictionaryRowKeyTo(rowBuf)
				if err != nil {
					return err
				}
				dictionaryDeltas[string(rowBuf[:dictKeySize])] -= 1
			}
			if row.KeySize()+row.ValueSize() > len(rowBuf) {
				rowBuf = make([]byte, row.KeySize()+row.ValueSize())
			}
			keySize, err := row.KeyTo(rowBuf)
			if err != nil {
				return err
			}
			wb.Delete(rowBuf[:keySize])
		}
	}

	if 8 > len(rowBuf) {
		rowBuf = make([]byte, 8)
	}
	for dictRowKey, delta := range dictionaryDeltas {
		binary.LittleEndian.PutUint64(rowBuf, uint64(delta))
		wb.Merge([]byte(dictRowKey), rowBuf[0:8])
	}

	PutRowBuffer(rowBuf)

	// write out the batch
	return writer.ExecuteBatch(wb)
}
开发者ID:sath33sh，项目名称:bleve，代码行数:96，代码来源:upside_down.go

示例8: batchRows

func (udc *UpsideDownCouch) batchRows(writer store.KVWriter, addRows []UpsideDownCouchRow, updateRows []UpsideDownCouchRow, deleteRows []UpsideDownCouchRow) (err error) {

	// prepare batch
	wb := writer.NewBatch()

	// buffer to work with
	rowBuf := GetRowBuffer()

	// add
	for _, row := range addRows {
		tfr, ok := row.(*TermFrequencyRow)
		if ok {
			if tfr.DictionaryRowKeySize() > len(rowBuf) {
				rowBuf = make([]byte, tfr.DictionaryRowKeySize())
			}
			dictKeySize, err := tfr.DictionaryRowKeyTo(rowBuf)
			if err != nil {
				return err
			}
			wb.Merge(rowBuf[:dictKeySize], dictionaryTermIncr)
		}
		if row.KeySize()+row.ValueSize() > len(rowBuf) {
			rowBuf = make([]byte, row.KeySize()+row.ValueSize())
		}
		keySize, err := row.KeyTo(rowBuf)
		if err != nil {
			return err
		}
		valSize, err := row.ValueTo(rowBuf[keySize:])
		wb.Set(rowBuf[:keySize], rowBuf[keySize:keySize+valSize])
	}

	// update
	for _, row := range updateRows {
		if row.KeySize()+row.ValueSize() > len(rowBuf) {
			rowBuf = make([]byte, row.KeySize()+row.ValueSize())
		}
		keySize, err := row.KeyTo(rowBuf)
		if err != nil {
			return err
		}
		valSize, err := row.ValueTo(rowBuf[keySize:])
		if err != nil {
			return err
		}
		wb.Set(rowBuf[:keySize], rowBuf[keySize:keySize+valSize])
	}

	// delete
	for _, row := range deleteRows {
		tfr, ok := row.(*TermFrequencyRow)
		if ok {
			// need to decrement counter
			if tfr.DictionaryRowKeySize() > len(rowBuf) {
				rowBuf = make([]byte, tfr.DictionaryRowKeySize())
			}
			dictKeySize, err := tfr.DictionaryRowKeyTo(rowBuf)
			if err != nil {
				return err
			}
			wb.Merge(rowBuf[:dictKeySize], dictionaryTermDecr)
		}
		if row.KeySize()+row.ValueSize() > len(rowBuf) {
			rowBuf = make([]byte, row.KeySize()+row.ValueSize())
		}
		keySize, err := row.KeyTo(rowBuf)
		if err != nil {
			return err
		}
		wb.Delete(rowBuf[:keySize])
	}

	PutRowBuffer(rowBuf)

	// write out the batch
	return writer.ExecuteBatch(wb)
}
开发者ID:neozhangthe1，项目名称:bleve，代码行数:77，代码来源:upside_down.go


注：本文中的github.com/blevesearch/bleve/index/store.KVWriter.NewBatch方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。