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
}
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()
}
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)
}
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)
}
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)
}
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
}
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)
}
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)
}