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comments and concretized deltas

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This commit is contained in:
Barak Michener 2014-08-14 01:23:04 -04:00
parent fe0569c9d4
commit f967b36f84
9 changed files with 31 additions and 35 deletions
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5
graph/leveldb/iterator.go
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@ -43,7 +43,7 @@ type Iterator struct {
result graph.Value
}
func NewIterator(prefix string, d quad.Direction, value graph.Value, qs *TripleStore) graph.Iterator {
func NewIterator(prefix string, d quad.Direction, value graph.Value, qs *TripleStore) *Iterator {
vb := value.(Token)
p := make([]byte, 0, 2+qs.hasherSize)
p = append(p, []byte(prefix)...)
@ -70,7 +70,6 @@ func NewIterator(prefix string, d quad.Direction, value graph.Value, qs *TripleS
it.open = false
it.iter.Release()
glog.Error("Opening LevelDB iterator couldn't seek to location ", it.nextPrefix)
return &iterator.Null{}
}
return &it
@ -108,7 +107,7 @@ func (it *Iterator) TagResults(dst map[string]graph.Value) {
func (it *Iterator) Clone() graph.Iterator {
out := NewIterator(it.originalPrefix, it.dir, Token(it.checkId), it.qs)
out.Tagger().CopyFrom(it)
out.tags.CopyFrom(it)
return out
}

4
graph/leveldb/triplestore.go
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@ -136,7 +136,7 @@ func (qs *TripleStore) Horizon() int64 {
return qs.horizon
}
func (qa *TripleStore) createDeltaKeyFor(d *graph.Delta) []byte {
func (qa *TripleStore) createDeltaKeyFor(d graph.Delta) []byte {
key := make([]byte, 0, 19)
key = append(key, 'd')
key = append(key, []byte(fmt.Sprintf("%018x", d.ID))...)
@ -176,7 +176,7 @@ var (
cps = [4]quad.Direction{quad.Label, quad.Predicate, quad.Subject, quad.Object}
)
func (qs *TripleStore) ApplyDeltas(deltas []*graph.Delta) error {
func (qs *TripleStore) ApplyDeltas(deltas []graph.Delta) error {
batch := &leveldb.Batch{}
resizeMap := make(map[string]int64)
size_change := int64(0)