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Remove old iterator code, leaving a simple all-iterator for the sql backend

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This commit is contained in:
Barak Michener 2015-07-28 16:31:11 -04:00
parent 425292811b
commit b754810c6e
4 changed files with 215 additions and 278 deletions
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2
graph/iterator/and_iterator_optimize.go
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@ -331,7 +331,7 @@ func materializeIts(its []graph.Iterator) []graph.Iterator {
out = append(out, its[0])
for _, it := range its[1:] {
stats := it.Stats()
if false && stats.Size*stats.NextCost < (stats.ContainsCost*(1+(stats.Size/(allStats.Size+1)))) {
if stats.Size*stats.NextCost < (stats.ContainsCost * (1 + (stats.Size / (allStats.Size + 1)))) {
if graph.Height(it, graph.Materialize) > 10 {
out = append(out, NewMaterialize(it))
continue