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Option to remove size calls

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Fix permutations of optimization intersections

Return empty string as per bolt

fix case sensitivity and memstore panic
This commit is contained in:
Barak Michener 2015-08-10 16:28:16 -04:00
parent aedd0401e2
commit fab8cd64b3
4 changed files with 34 additions and 3 deletions
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17
graph/sql/optimizers.go
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@ -28,10 +28,16 @@ func intersect(a sqlIterator, b sqlIterator, qs *QuadStore) (*SQLIterator, error
if bnew, ok := b.(*SQLNodeIterator); ok {
return intersectNode(anew, bnew, qs)
}
if bnew, ok := b.(*SQLNodeIntersection); ok {
return appendNodeIntersection(bnew, anew, qs)
}
} else if anew, ok := a.(*SQLNodeIntersection); ok {
if bnew, ok := b.(*SQLNodeIterator); ok {
return appendNodeIntersection(anew, bnew, qs)
}
if bnew, ok := b.(*SQLNodeIntersection); ok {
return combineNodeIntersection(anew, bnew, qs)
}
} else if anew, ok := a.(*SQLLinkIterator); ok {
if bnew, ok := b.(*SQLLinkIterator); ok {
return intersectLink(anew, bnew, qs)
@ -65,6 +71,17 @@ func appendNodeIntersection(a *SQLNodeIntersection, b *SQLNodeIterator, qs *Quad
return it, nil
}
func combineNodeIntersection(a *SQLNodeIntersection, b *SQLNodeIntersection, qs *QuadStore) (*SQLIterator, error) {
m := &SQLNodeIntersection{
tableName: newTableName(),
nodeIts: append(a.nodeIts, b.nodeIts...),
}
m.Tagger().CopyFromTagger(a.Tagger())
m.Tagger().CopyFromTagger(b.Tagger())
it := NewSQLIterator(qs, m)
return it, nil
}
func intersectLink(a *SQLLinkIterator, b *SQLLinkIterator, qs *QuadStore) (*SQLIterator, error) {
m := &SQLLinkIterator{
tableName: newTableName(),