Barak Michener
7153a766c1
Subcommits: link iterator next/contains implement sql_node_iterator next/buildsql fix optimizers
132 lines
3.2 KiB
Go
132 lines
3.2 KiB
Go
// Copyright 2015 The Cayley Authors. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package sql
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
"github.com/google/cayley/graph"
|
|
"github.com/google/cayley/quad"
|
|
)
|
|
|
|
func TestBuildIntersect(t *testing.T) {
|
|
a := NewSQLLinkIterator(nil, quad.Subject, "Foo")
|
|
b := NewSQLLinkIterator(nil, quad.Predicate, "is_equivalent_to")
|
|
it, err := intersect(a, b)
|
|
i := it.(*SQLLinkIterator)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
s, v := i.buildSQL(true, nil)
|
|
fmt.Println(s, v)
|
|
}
|
|
|
|
func TestBuildHasa(t *testing.T) {
|
|
a := NewSQLLinkIterator(nil, quad.Subject, "Foo")
|
|
a.tagger.Add("foo")
|
|
b := NewSQLLinkIterator(nil, quad.Predicate, "is_equivalent_to")
|
|
it1, err := intersect(a, b)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
it2, err := hasa(it1, quad.Object)
|
|
i2 := it2.(*SQLNodeIterator)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
s, v := i2.buildSQL(true, nil)
|
|
fmt.Println(s, v)
|
|
}
|
|
|
|
func TestBuildLinksTo(t *testing.T) {
|
|
a := NewSQLLinkIterator(nil, quad.Subject, "Foo")
|
|
b := NewSQLLinkIterator(nil, quad.Predicate, "is_equivalent_to")
|
|
it1, err := intersect(a, b)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
it2, err := hasa(it1, quad.Object)
|
|
it2.Tagger().Add("foo")
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
it3, err := linksto(it2, quad.Subject)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
i3 := it3.(*SQLLinkIterator)
|
|
s, v := i3.buildSQL(true, nil)
|
|
fmt.Println(s, v)
|
|
}
|
|
|
|
func TestInterestingQuery(t *testing.T) {
|
|
if *dbpath == "" {
|
|
t.SkipNow()
|
|
}
|
|
db, err := newQuadStore(*dbpath, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
a := NewSQLLinkIterator(db.(*QuadStore), quad.Object, "Humphrey Bogart")
|
|
b := NewSQLLinkIterator(db.(*QuadStore), quad.Predicate, "name")
|
|
it1, err := intersect(a, b)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
it2, err := hasa(it1, quad.Subject)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
it2.Tagger().Add("hb")
|
|
it3, err := linksto(it2, quad.Object)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
b = NewSQLLinkIterator(db.(*QuadStore), quad.Predicate, "/film/performance/actor")
|
|
it4, err := intersect(it3, b)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
it5, err := hasa(it4, quad.Subject)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
it6, err := linksto(it5, quad.Object)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
b = NewSQLLinkIterator(db.(*QuadStore), quad.Predicate, "/film/film/starring")
|
|
it7, err := intersect(it6, b)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
it8, err := hasa(it7, quad.Subject)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
finalIt := it8.(*SQLNodeIterator)
|
|
s, v := finalIt.buildSQL(true, nil)
|
|
finalIt.Tagger().Add("id")
|
|
fmt.Println(s, v)
|
|
for graph.Next(finalIt) {
|
|
fmt.Println(finalIt.Result())
|
|
out := make(map[string]graph.Value)
|
|
finalIt.TagResults(out)
|
|
for k, v := range out {
|
|
fmt.Printf("%s: %v\n", k, v.(string))
|
|
}
|
|
}
|
|
}
|