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merge with master

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This commit is contained in:
Barak Michener 2014-08-13 23:03:07 -04:00
commit fe0569c9d4
10 changed files with 201 additions and 165 deletions
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2
.travis.yml
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@ -21,5 +21,5 @@ install:
- go get gopkg.in/mgo.v2
- go get gopkg.in/mgo.v2/bson
script: go test -v -short ./...
script: go test -v ./...

3
cayley.go
View file

@ -218,6 +218,9 @@ func decompressAndLoad(qw graph.QuadWriter, cfg *config.Config, path, typ string
if path == "" {
path = cfg.DatabasePath
}
if path == "" {
return nil
}
u, err := url.Parse(path)
if err != nil || u.Scheme == "file" || u.Scheme == "" {
// Don't alter relative URL path or non-URL path parameter.

184
cayley_test.go
View file

@ -19,6 +19,7 @@ import (
"compress/bzip2"
"compress/gzip"
"io"
"reflect"
"strings"
"sync"
"testing"
@ -173,106 +174,106 @@ var benchmarkQueries = []struct {
query: common + `actor1.Save("name","costar1_actor").Follow(coStars1).Intersect(actor2.Save("name","costar2_actor").Follow(coStars2)).Out("name").All()
`,
expect: [][]interface{}{
{map[string]string{"costar2_movie": "Speed", "id": "Alan Ruck", "costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar1_movie": "Demolition Man", "costar2_actor": "Keanu Reeves", "costar2_movie": "Thumbsucker", "id": "Benjamin Bratt", "costar1_actor": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality", "costar2_actor": "Keanu Reeves", "costar2_movie": "Thumbsucker", "id": "Benjamin Bratt"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Beth Grant"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Carlos Carrasco"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Christopher Plummer"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Proposal", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Devil's Advocate", "id": "Craig T. Nelson"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "River's Edge", "id": "Dennis Hopper"}},
{map[string]string{"costar2_movie": "Speed", "id": "Dennis Hopper", "costar1_actor": "/people/person", "costar1_movie": "Chattahoochee", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Practical Magic", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Dianne Wiest"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Dylan Walsh"}},
{map[string]string{"costar2_movie": "Speed", "id": "Glenn Plummer", "costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed 2: Cruise Control", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Glenn Plummer"}},
{map[string]string{"costar1_movie": "While You Were Sleeping", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Replacements", "id": "Jack Warden", "costar1_actor": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Infamous", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Jeff Daniels"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Jeff Daniels"}},
{map[string]string{"id": "Joe Morton", "costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed"}},
{map[string]string{"costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Jordan Lund", "costar1_actor": "Sandra Bullock", "costar1_movie": "Speed"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Flying", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Flying", "id": "Keanu Reeves"}},
{map[string]string{"costar1_movie": "The Day the Earth Stood Still", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Animatrix", "id": "Keanu Reeves", "costar1_actor": "/people/person"}},
{map[string]string{"id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Tune in Tomorrow"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Last Time I Committed Suicide", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Constantine", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Permanent Record", "id": "Keanu Reeves"}},
{map[string]string{"costar2_movie": "Dangerous Liaisons", "id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Private Lives of Pippa Lee", "id": "Keanu Reeves"}},
{map[string]string{"costar2_movie": "A Scanner Darkly", "id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "A Walk in the Clouds", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Hardball", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Life Under Water", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Much Ado About Nothing", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "My Own Private Idaho", "id": "Keanu Reeves"}},
{map[string]string{"costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Keanu Reeves", "costar1_actor": "/people/person"}},
{map[string]string{"costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Point Break", "id": "Keanu Reeves", "costar1_actor": "/people/person"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Providence", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "River's Edge", "id": "Keanu Reeves"}},
{map[string]string{"costar2_movie": "Something's Gotta Give", "id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Sweet November", "id": "Keanu Reeves"}},
{map[string]string{"costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Keanu Reeves", "costar1_actor": "/people/person"}},
{map[string]string{"id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Matrix Reloaded"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Matrix Revisited", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Prince of Pennsylvania", "id": "Keanu Reeves"}},
{map[string]string{"costar2_actor": "Keanu Reeves", "costar2_movie": "The Replacements", "id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Even Cowgirls Get the Blues", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Youngblood", "id": "Keanu Reeves"}},
{map[string]string{"costar2_movie": "Bill & Ted's Bogus Journey", "id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bill & Ted's Excellent Adventure", "id": "Keanu Reeves"}},
{map[string]string{"id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Johnny Mnemonic"}},
{map[string]string{"costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Devil's Advocate", "id": "Keanu Reeves", "costar1_actor": "/people/person"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Thumbsucker", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "I Love You to Death", "id": "Keanu Reeves"}},
{map[string]string{"costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bram Stoker's Dracula", "id": "Keanu Reeves", "costar1_actor": "/people/person"}},
{map[string]string{"costar2_actor": "Keanu Reeves", "costar2_movie": "The Gift", "id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film"}},
{map[string]string{"costar2_movie": "Little Buddha", "id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Night Watchman", "id": "Keanu Reeves"}},
{map[string]string{"id": "Keanu Reeves", "costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Chain Reaction"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "Babes in Toyland", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Day the Earth Stood Still", "id": "Keanu Reeves"}},
{map[string]string{"costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Lynn Collins", "costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Proposal", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Mary Steenburgen"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Prince of Egypt", "costar2_actor": "Keanu Reeves", "costar2_movie": "Dangerous Liaisons", "id": "Michelle Pfeiffer"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Premonition", "costar2_actor": "Keanu Reeves", "costar2_movie": "Constantine", "id": "Peter Stormare"}},
{map[string]string{"costar2_movie": "Speed", "id": "Richard Lineback", "costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar1_movie": "The Thing Called Love", "costar2_actor": "Keanu Reeves", "costar2_movie": "My Own Private Idaho", "id": "River Phoenix", "costar1_actor": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "I Love You to Death", "id": "River Phoenix"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Proposal", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Crash", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Gun Shy", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "Demolition Man"}},
{map[string]string{"costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "Divine Secrets of the Ya-Ya Sisterhood", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "A Time to Kill", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Demolition Man", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Divine Secrets of the Ya-Ya Sisterhood", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "A Time to Kill", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Forces of Nature", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Hope Floats", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Infamous", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Love Potion No. 9", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed"}},
{map[string]string{"id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality 2: Armed and Fabulous", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality 2: Armed and Fabulous", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Murder by Numbers", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "Practical Magic", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed"}},
{map[string]string{"costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "Speed"}},
{map[string]string{"costar1_movie": "Speed 2: Cruise Control", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Practical Magic", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed 2: Cruise Control", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Net", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_movie": "The Prince of Egypt", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock"}},
{map[string]string{"costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "Two Weeks Notice"}},
{map[string]string{"costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "While You Were Sleeping", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "28 Days", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed"}},
{map[string]string{"costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "Premonition"}},
{map[string]string{"costar1_movie": "Wrestling Ernest Hemingway", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock"}},
{map[string]string{"costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock", "costar1_movie": "Fire on the Amazon"}},
{map[string]string{"costar1_movie": "The Thing Called Love", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock", "costar1_actor": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Prince of Egypt", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Two Weeks Notice", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "While You Were Sleeping", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "28 Days", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Premonition", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Wrestling Ernest Hemingway", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Fire on the Amazon", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Thing Called Love", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "In Love and War", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "/people/person", "costar1_movie": "/film/film", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "In Love and War", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Sandra Bullock"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Proposal", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Mary Steenburgen"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Proposal", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Devil's Advocate", "id": "Craig T. Nelson"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Demolition Man", "costar2_actor": "Keanu Reeves", "costar2_movie": "Thumbsucker", "id": "Benjamin Bratt"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Miss Congeniality", "costar2_actor": "Keanu Reeves", "costar2_movie": "Thumbsucker", "id": "Benjamin Bratt"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Divine Secrets of the Ya-Ya Sisterhood", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Private Lives of Pippa Lee", "id": "Shirley Knight"}},
{map[string]string{"costar2_movie": "The Lake House", "id": "Shohreh Aghdashloo", "costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Prince of Egypt", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Steve Martin"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Thomas Rosales, Jr."}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Infamous", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Jeff Daniels"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Jeff Daniels"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Practical Magic", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Dianne Wiest"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Flying", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Flying", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Animatrix", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Tune in Tomorrow", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Last Time I Committed Suicide", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Constantine", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Permanent Record", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Dangerous Liaisons", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Private Lives of Pippa Lee", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "A Scanner Darkly", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "A Walk in the Clouds", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Hardball", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Life Under Water", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Much Ado About Nothing", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "My Own Private Idaho", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Point Break", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Providence", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "River's Edge", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Something's Gotta Give", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Sweet November", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Matrix Reloaded", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Matrix Revisited", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Prince of Pennsylvania", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Replacements", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Even Cowgirls Get the Blues", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Youngblood", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bill \u0026 Ted's Bogus Journey", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bill \u0026 Ted's Excellent Adventure", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Johnny Mnemonic", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Devil's Advocate", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Thumbsucker", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "I Love You to Death", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Bram Stoker's Dracula", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Gift", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Little Buddha", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Night Watchman", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Chain Reaction", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "Babes in Toyland", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Day the Earth Stood Still", "id": "Keanu Reeves"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "River's Edge", "id": "Dennis Hopper"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Dennis Hopper"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Joe Morton"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Alan Ruck"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Glenn Plummer"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed 2: Cruise Control", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Glenn Plummer"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Carlos Carrasco"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Beth Grant"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Richard Lineback"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Hawthorne James"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Jordan Lund"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Speed", "costar2_actor": "Keanu Reeves", "costar2_movie": "Speed", "id": "Thomas Rosales, Jr."}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Christopher Plummer"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Dylan Walsh"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Shohreh Aghdashloo"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Lake House", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Lake House", "id": "Lynn Collins"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Prince of Egypt", "costar2_actor": "Keanu Reeves", "costar2_movie": "Dangerous Liaisons", "id": "Michelle Pfeiffer"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Prince of Egypt", "costar2_actor": "Keanu Reeves", "costar2_movie": "Parenthood", "id": "Steve Martin"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "While You Were Sleeping", "costar2_actor": "Keanu Reeves", "costar2_movie": "The Replacements", "id": "Jack Warden"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "Premonition", "costar2_actor": "Keanu Reeves", "costar2_movie": "Constantine", "id": "Peter Stormare"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Thing Called Love", "costar2_actor": "Keanu Reeves", "costar2_movie": "My Own Private Idaho", "id": "River Phoenix"}},
{map[string]string{"costar1_actor": "Sandra Bullock", "costar1_movie": "The Thing Called Love", "costar2_actor": "Keanu Reeves", "costar2_movie": "I Love You to Death", "id": "River Phoenix"}},
},
},
}
@ -389,9 +390,16 @@ func checkQueries(t *testing.T) {
continue
}
// TODO(kortschak) Be more rigorous in this result validation.
if len(got) != len(test.expect) {
t.Errorf("Unexpected number of results, got:%d expect:%d on %s.", len(got), len(test.expect), test.message)
continue
}
if reflect.DeepEqual(got, test.expect) {
continue
}
t.Errorf("Unexpected results for %s:\n", test.message)
for i := range got {
t.Errorf("\n\tgot:%#v\n\texpect:%#v\n", got[i], test.expect[i])
}
}
}

40
graph/iterator/and_iterator.go
View file

@ -48,6 +48,7 @@ func (it *And) UID() uint64 {
// Reset all internal iterators
func (it *And) Reset() {
it.result = nil
it.primaryIt.Reset()
for _, sub := range it.internalIterators {
sub.Reset()
@ -159,7 +160,7 @@ func (it *And) Next() bool {
graph.NextLogIn(it)
for graph.Next(it.primaryIt) {
curr := it.primaryIt.Result()
if it.subItsContain(curr) {
if it.subItsContain(curr, nil) {
it.result = curr
return graph.NextLogOut(it, curr, true)
}
@ -172,22 +173,32 @@ func (it *And) Result() graph.Value {
}
// Checks a value against the non-primary iterators, in order.
func (it *And) subItsContain(val graph.Value) bool {
func (it *And) subItsContain(val graph.Value, lastResult graph.Value) bool {
var subIsGood = true
for _, sub := range it.internalIterators {
for i, sub := range it.internalIterators {
subIsGood = sub.Contains(val)
if !subIsGood {
if lastResult != nil {
for j := 0; j < i; j++ {
it.internalIterators[j].Contains(lastResult)
}
}
break
}
}
return subIsGood
}
func (it *And) checkContainsList(val graph.Value) bool {
func (it *And) checkContainsList(val graph.Value, lastResult graph.Value) bool {
ok := true
for _, c := range it.checkList {
for i, c := range it.checkList {
ok = c.Contains(val)
if !ok {
if lastResult != nil {
for j := 0; j < i; j++ {
it.checkList[j].Contains(lastResult)
}
}
break
}
}
@ -200,19 +211,22 @@ func (it *And) checkContainsList(val graph.Value) bool {
// Check a value against the entire iterator, in order.
func (it *And) Contains(val graph.Value) bool {
graph.ContainsLogIn(it, val)
lastResult := it.result
if it.checkList != nil {
return it.checkContainsList(val)
return it.checkContainsList(val, lastResult)
}
mainGood := it.primaryIt.Contains(val)
if !mainGood {
return graph.ContainsLogOut(it, val, false)
if mainGood {
othersGood := it.subItsContain(val, lastResult)
if othersGood {
it.result = val
return graph.ContainsLogOut(it, val, true)
}
}
othersGood := it.subItsContain(val)
if !othersGood {
return graph.ContainsLogOut(it, val, false)
if lastResult != nil {
it.primaryIt.Contains(lastResult)
}
it.result = val
return graph.ContainsLogOut(it, val, true)
return graph.ContainsLogOut(it, val, false)
}
// Returns the approximate size of the And iterator. Because we're dealing

2
graph/iterator/and_iterator_optimize.go
View file

@ -327,7 +327,7 @@ func (it *And) Stats() graph.IteratorStats {
}
}
return graph.IteratorStats{
ContainsCost: ContainsCost,
ContainsCost: ContainsCost * 2,
NextCost: NextCost,
Size: Size,
}

8
graph/iterator/hasa_iterator.go
View file

@ -179,10 +179,13 @@ func (it *HasA) NextPath() bool {
//
// The upshot is, the end of NextPath() bubbles up from the bottom of the
// iterator tree up, and we need to respect that.
glog.V(4).Infoln("HASA", it.UID(), "NextPath")
if it.primaryIt.NextPath() {
return true
}
return it.NextContains()
result := it.NextContains()
glog.V(4).Infoln("HASA", it.UID(), "NextPath Returns", result, "")
return result
}
// Next advances the iterator. This is simpler than Contains. We have a
@ -199,8 +202,7 @@ func (it *HasA) Next() bool {
return graph.NextLogOut(it, 0, false)
}
tID := it.primaryIt.Result()
name := it.ts.Quad(tID).Get(it.dir)
val := it.ts.ValueOf(name)
val := it.ts.TripleDirection(tID, it.dir)
it.result = val
return graph.NextLogOut(it, val, true)
}

26
graph/leveldb/iterator.go
View file

@ -45,7 +45,7 @@ type Iterator struct {
func NewIterator(prefix string, d quad.Direction, value graph.Value, qs *TripleStore) graph.Iterator {
vb := value.(Token)
p := make([]byte, 0, 2+qs.hasher.Size())
p := make([]byte, 0, 2+qs.hasherSize)
p = append(p, []byte(prefix)...)
p = append(p, []byte(vb[1:])...)
@ -180,45 +180,45 @@ func PositionOf(prefix []byte, d quad.Direction, qs *TripleStore) int {
case quad.Subject:
return 2
case quad.Predicate:
return qs.hasher.Size() + 2
return qs.hasherSize + 2
case quad.Object:
return 2*qs.hasher.Size() + 2
return 2*qs.hasherSize + 2
case quad.Label:
return 3*qs.hasher.Size() + 2
return 3*qs.hasherSize + 2
}
}
if bytes.Equal(prefix, []byte("po")) {
switch d {
case quad.Subject:
return 2*qs.hasher.Size() + 2
return 2*qs.hasherSize + 2
case quad.Predicate:
return 2
case quad.Object:
return qs.hasher.Size() + 2
return qs.hasherSize + 2
case quad.Label:
return 3*qs.hasher.Size() + 2
return 3*qs.hasherSize + 2
}
}
if bytes.Equal(prefix, []byte("os")) {
switch d {
case quad.Subject:
return qs.hasher.Size() + 2
return qs.hasherSize + 2
case quad.Predicate:
return 2*qs.hasher.Size() + 2
return 2*qs.hasherSize + 2
case quad.Object:
return 2
case quad.Label:
return 3*qs.hasher.Size() + 2
return 3*qs.hasherSize + 2
}
}
if bytes.Equal(prefix, []byte("cp")) {
switch d {
case quad.Subject:
return 2*qs.hasher.Size() + 2
return 2*qs.hasherSize + 2
case quad.Predicate:
return qs.hasher.Size() + 2
return qs.hasherSize + 2
case quad.Object:
return 3*qs.hasher.Size() + 2
return 3*qs.hasherSize + 2
case quad.Label:
return 2
}

51
graph/leveldb/triplestore.go
View file

@ -50,15 +50,17 @@ func (t Token) Key() interface{} {
}
type TripleStore struct {
dbOpts *opt.Options
db *leveldb.DB
path string
open bool
size int64
horizon int64
hasher hash.Hash
writeopts *opt.WriteOptions
readopts *opt.ReadOptions
dbOpts *opt.Options
db *leveldb.DB
path string
open bool
size int64
horizon int64
hasher hash.Hash
hasherSize int
makeHasher func() hash.Hash
writeopts *opt.WriteOptions
readopts *opt.ReadOptions
}
func createNewLevelDB(path string, _ graph.Options) error {
@ -96,7 +98,8 @@ func newTripleStore(path string, options graph.Options) (graph.TripleStore, erro
write_buffer_mb = val
}
qs.dbOpts.WriteBuffer = write_buffer_mb * opt.MiB
qs.hasher = sha1.New()
qs.hasherSize = sha1.Size
qs.makeHasher = sha1.New
qs.writeopts = &opt.WriteOptions{
Sync: false,
}
@ -141,20 +144,22 @@ func (qa *TripleStore) createDeltaKeyFor(d *graph.Delta) []byte {
}
func (qs *TripleStore) createKeyFor(d [4]quad.Direction, triple quad.Quad) []byte {
key := make([]byte, 0, 2+(qs.hasher.Size()*4))
hasher := qs.makeHasher()
key := make([]byte, 0, 2+(qs.hasherSize*3))
// TODO(kortschak) Remove dependence on String() method.
key = append(key, []byte{d[0].Prefix(), d[1].Prefix()}...)
key = append(key, qs.convertStringToByteHash(triple.Get(d[0]))...)
key = append(key, qs.convertStringToByteHash(triple.Get(d[1]))...)
key = append(key, qs.convertStringToByteHash(triple.Get(d[2]))...)
key = append(key, qs.convertStringToByteHash(triple.Get(d[3]))...)
key = append(key, qs.convertStringToByteHash(triple.Get(d[0]), hasher)...)
key = append(key, qs.convertStringToByteHash(triple.Get(d[1]), hasher)...)
key = append(key, qs.convertStringToByteHash(triple.Get(d[2]), hasher)...)
key = append(key, qs.convertStringToByteHash(triple.Get(d[3]), hasher)...)
return key
}
func (qs *TripleStore) createValueKeyFor(s string) []byte {
key := make([]byte, 0, 1+qs.hasher.Size())
hasher := qs.makeHasher()
key := make([]byte, 0, 1+qs.hasherSize)
key = append(key, []byte("z")...)
key = append(key, qs.convertStringToByteHash(s)...)
key = append(key, qs.convertStringToByteHash(s, hasher)...)
return key
}
@ -341,11 +346,11 @@ func (qs *TripleStore) Quad(k graph.Value) quad.Quad {
return triple
}
func (qs *TripleStore) convertStringToByteHash(s string) []byte {
qs.hasher.Reset()
key := make([]byte, 0, qs.hasher.Size())
qs.hasher.Write([]byte(s))
key = qs.hasher.Sum(key)
func (qs *TripleStore) convertStringToByteHash(s string, hasher hash.Hash) []byte {
hasher.Reset()
key := make([]byte, 0, qs.hasherSize)
hasher.Write([]byte(s))
key = hasher.Sum(key)
return key
}
@ -462,7 +467,7 @@ func (qs *TripleStore) TripleDirection(val graph.Value, d quad.Direction) graph.
v := val.(Token)
offset := PositionOf(v[0:2], d, qs)
if offset != -1 {
return Token(append([]byte("z"), v[offset:offset+qs.hasher.Size()]...))
return Token(append([]byte("z"), v[offset:offset+qs.hasherSize]...))
} else {
return Token(qs.Quad(val).Get(d))
}

8
graph/mongo/iterator.go
View file

@ -187,13 +187,13 @@ func (it *Iterator) Contains(v graph.Value) bool {
case quad.Subject:
offset = 0
case quad.Predicate:
offset = (it.qs.hasher.Size() * 2)
offset = (it.qs.hasherSize * 2)
case quad.Object:
offset = (it.qs.hasher.Size() * 2) * 2
offset = (it.qs.hasherSize * 2) * 2
case quad.Label:
offset = (it.qs.hasher.Size() * 2) * 3
offset = (it.qs.hasherSize * 2) * 3
}
val := v.(string)[offset : it.qs.hasher.Size()*2+offset]
val := v.(string)[offset : it.qs.hasherSize*2+offset]
if val == it.hash {
it.result = v
return graph.ContainsLogOut(it, v, true)

42
graph/mongo/triplestore.go
View file

@ -35,10 +35,11 @@ func init() {
const DefaultDBName = "cayley"
type TripleStore struct {
session *mgo.Session
db *mgo.Database
hasher hash.Hash
idCache *IDLru
session *mgo.Session
db *mgo.Database
hasherSize int
makeHasher func() hash.Hash
idCache *IDLru
}
func createNewMongoGraph(addr string, options graph.Options) error {
@ -90,24 +91,26 @@ func newTripleStore(addr string, options graph.Options) (graph.TripleStore, erro
}
qs.db = conn.DB(dbName)
qs.session = conn
qs.hasher = sha1.New()
qs.hasherSize = sha1.Size
qs.makeHasher = sha1.New
qs.idCache = NewIDLru(1 << 16)
return &qs, nil
}
func (qs *TripleStore) getIdForTriple(t quad.Quad) string {
id := qs.ConvertStringToByteHash(t.Subject)
id += qs.ConvertStringToByteHash(t.Predicate)
id += qs.ConvertStringToByteHash(t.Object)
id += qs.ConvertStringToByteHash(t.Label)
hasher := qs.makeHasher()
id := qs.convertStringToByteHash(t.Subject, hasher)
id += qs.convertStringToByteHash(t.Predicate, hasher)
id += qs.convertStringToByteHash(t.Object, hasher)
id += qs.convertStringToByteHash(t.Label, hasher)
return id
}
func (qs *TripleStore) ConvertStringToByteHash(s string) string {
qs.hasher.Reset()
key := make([]byte, 0, qs.hasher.Size())
qs.hasher.Write([]byte(s))
key = qs.hasher.Sum(key)
func (qs *TripleStore) convertStringToByteHash(s string, hasher hash.Hash) string {
hasher.Reset()
key := make([]byte, 0, qs.hasherSize)
hasher.Write([]byte(s))
key = hasher.Sum(key)
return hex.EncodeToString(key)
}
@ -290,7 +293,8 @@ func (qs *TripleStore) TriplesAllIterator() graph.Iterator {
}
func (qs *TripleStore) ValueOf(s string) graph.Value {
return qs.ConvertStringToByteHash(s)
h := qs.makeHasher()
return qs.convertStringToByteHash(s, h)
}
func (qs *TripleStore) NameOf(v graph.Value) string {
@ -348,13 +352,13 @@ func (qs *TripleStore) TripleDirection(in graph.Value, d quad.Direction) graph.V
case quad.Subject:
offset = 0
case quad.Predicate:
offset = (qs.hasher.Size() * 2)
offset = (qs.hasherSize * 2)
case quad.Object:
offset = (qs.hasher.Size() * 2) * 2
offset = (qs.hasherSize * 2) * 2
case quad.Label:
offset = (qs.hasher.Size() * 2) * 3
offset = (qs.hasherSize * 2) * 3
}
val := in.(string)[offset : qs.hasher.Size()*2+offset]
val := in.(string)[offset : qs.hasherSize*2+offset]
return val
}