func (udc *UpsideDownCouch) storeField(docID string, field document.Field, fieldIndex uint16) ([]UpsideDownCouchRow, []*BackIndexStoreEntry) { rows := make([]UpsideDownCouchRow, 0, 100) backIndexStoredEntries := make([]*BackIndexStoreEntry, 0) fieldType := encodeFieldType(field) storedRow := NewStoredRow(docID, fieldIndex, field.ArrayPositions(), fieldType, field.Value()) // record the back index entry backIndexStoredEntry := BackIndexStoreEntry{Field: proto.Uint32(uint32(fieldIndex)), ArrayPositions: field.ArrayPositions()} backIndexStoredEntries = append(backIndexStoredEntries, &backIndexStoredEntry) rows = append(rows, storedRow) return rows, backIndexStoredEntries }