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optimize mergeOldAndNew for case of first time a doc is seen

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This commit is contained in:
Steve Yen 2017-01-09 22:48:55 -08:00
parent 790f2e3e32
commit 5927224e15
1 changed files with 9 additions and 0 deletions
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9
index/upsidedown/upsidedown.go
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@ -499,6 +499,15 @@ func (udc *UpsideDownCouch) Update(doc *document.Document) (err error) {
func (udc *UpsideDownCouch) mergeOldAndNew(backIndexRow *BackIndexRow, rows []index.IndexRow) (addRows []UpsideDownCouchRow, updateRows []UpsideDownCouchRow, deleteRows []UpsideDownCouchRow) {
addRows = make([]UpsideDownCouchRow, 0, len(rows))
if backIndexRow == nil {
addRows = addRows[0:len(rows)]
for i, row := range rows {
addRows[i] = row
}
return addRows, nil, nil
}
updateRows = make([]UpsideDownCouchRow, 0, len(rows))
deleteRows = make([]UpsideDownCouchRow, 0, len(rows))