1
0
Fork 0
arangodb/js/server/tests/aql/aql-graph-traverser.js

3411 lines
110 KiB
JavaScript

/*jshint esnext: true */
/*global assertEqual, fail, AQL_EXECUTE, AQL_EXPLAIN, AQL_EXECUTEJSON */
////////////////////////////////////////////////////////////////////////////////
/// @brief Spec for the AQL FOR x IN GRAPH name statement
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
///
/// 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Michael Hackstein
/// @author Copyright 2015, ArangoDB GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
"use strict";
const jsunity = require("jsunity");
const internal = require("internal");
const db = internal.db;
const errors = require("@arangodb").errors;
const gm = require("@arangodb/general-graph");
const vn = "UnitTestVertexCollection";
const en = "UnitTestEdgeCollection";
const isCluster = require("@arangodb/cluster").isCluster();
var _ = require("lodash");
var vertex = {};
var edge = {};
var vc;
var ec;
var cleanup = function () {
db._drop(vn);
db._drop(en);
vertex = {};
edge = {};
};
var createBaseGraph = function () {
vc = db._create(vn, {numberOfShards: 4});
ec = db._createEdgeCollection(en, {numberOfShards: 4});
vertex.A = vc.save({_key: "A"})._id;
vertex.B = vc.save({_key: "B"})._id;
vertex.C = vc.save({_key: "C"})._id;
vertex.D = vc.save({_key: "D"})._id;
vertex.E = vc.save({_key: "E"})._id;
vertex.F = vc.save({_key: "F"})._id;
edge.AB = ec.save(vertex.A, vertex.B, {})._id;
edge.BC = ec.save(vertex.B, vertex.C, {})._id;
edge.CD = ec.save(vertex.C, vertex.D, {})._id;
edge.CF = ec.save(vertex.C, vertex.F, {})._id;
edge.EB = ec.save(vertex.E, vertex.B, {})._id;
edge.FE = ec.save(vertex.F, vertex.E, {})._id;
};
function nestedSuite () {
const gn = "UnitTestGraph";
var objects, tags, tagged;
return {
setUpAll: function() {
tags = db._create(gn + "tags");
objects = db._create(gn + "objects");
tagged = db._createEdgeCollection(gn + "tagged");
[ "airplane", "bicycle", "train", "car", "boat" ].forEach(function(_key) {
objects.insert({ _key });
});
[ "public", "private", "fast", "slow", "land", "air", "water" ].forEach(function(_key) {
tags.insert({ _key });
});
[
[ "air", "airplane" ],
[ "land", "car" ],
[ "land", "bicycle" ],
[ "land", "train" ],
[ "water", "boat" ],
[ "fast", "airplane" ],
[ "fast", "car" ],
[ "slow", "bicycle" ],
[ "fast", "train" ],
[ "slow", "boat" ],
[ "public", "airplane" ],
[ "private", "car" ],
[ "private", "bicycle" ],
[ "public", "train" ],
[ "public", "boat" ]
].forEach(function(edge) {
tagged.insert({ _from: tags.name() + "/" + edge[0], _to: objects.name() + "/" + edge[1] });
});
},
tearDownAll: function () {
db._drop(gn + "tags");
db._drop(gn + "objects");
db._drop(gn + "tagged");
},
testNested: function() {
var query = "with " + objects.name() + ", " + tags.name() + " for vehicle in any @start1 @@tagged for type in any @start2 @@tagged filter vehicle._id == type._id return vehicle._key";
var result = AQL_EXECUTE(query, { start1: tags.name() + "/land", start2: tags.name() + "/public", "@tagged": tagged.name() }).json;
assertEqual([ "train" ], result);
result = AQL_EXECUTE(query, { start1: tags.name() + "/air", start2: tags.name() + "/fast", "@tagged": tagged.name() }).json;
assertEqual([ "airplane" ], result);
result = AQL_EXECUTE(query, { start1: tags.name() + "/air", start2: tags.name() + "/slow", "@tagged": tagged.name() }).json;
assertEqual([ ], result);
result = AQL_EXECUTE(query, { start1: tags.name() + "/land", start2: tags.name() + "/fast", "@tagged": tagged.name() }).json;
assertEqual([ "car", "train" ], result);
result = AQL_EXECUTE(query, { start1: tags.name() + "/land", start2: tags.name() + "/private", "@tagged": tagged.name() }).json;
assertEqual([ "bicycle", "car" ], result.sort());
result = AQL_EXECUTE(query, { start1: tags.name() + "/public", start2: tags.name() + "/slow", "@tagged": tagged.name() }).json;
assertEqual([ "boat" ], result);
result = AQL_EXECUTE(query, { start1: tags.name() + "/public", start2: tags.name() + "/fast", "@tagged": tagged.name() }).json;
assertEqual([ "airplane", "train" ], result.sort());
result = AQL_EXECUTE(query, { start1: tags.name() + "/public", start2: tags.name() + "/foo", "@tagged": tagged.name() }).json;
assertEqual([ ], result);
result = AQL_EXECUTE(query, { start1: tags.name() + "/foo", start2: tags.name() + "/fast", "@tagged": tagged.name() }).json;
assertEqual([ ], result);
}
};
}
function namedGraphSuite () {
/***********************************************************************
* Graph under test:
*
* A -> B -> C -> D
* /|\ \|/
* E <- F
*
*
*
*
*
*
*
*
*
*
*
*
*
***********************************************************************/
var g;
const gn = "UnitTestGraph";
var ruleName = "optimize-traversals";
var paramEnabled = { optimizer: { rules: [ "-all", "+" + ruleName ] } };
var opts = _.clone(paramEnabled);
return {
setUpAll: function() {
opts.allPlans = true;
opts.verbosePlans = true;
cleanup();
createBaseGraph();
try {
gm._drop(gn);
} catch (e) {
// It is expected that this graph does not exist.
}
g = gm._create(gn, [gm._relation(en, vn, vn)]);
},
tearDownAll: function () {
gm._drop(gn);
cleanup();
},
testFirstEntryIsVertex: function () {
var query = "FOR x IN OUTBOUND @startId GRAPH @graph RETURN x";
var bindVars = {
graph: gn,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0]._id, vertex.C);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testSecondEntryIsEdge: function () {
var query = "FOR x, e IN OUTBOUND @startId GRAPH @graph RETURN e";
var bindVars = {
graph: gn,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0]._id, edge.BC);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testThirdEntryIsPath: function () {
var query = "FOR x, e, p IN OUTBOUND @startId GRAPH @graph RETURN p";
var bindVars = {
graph: gn,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
var entry = result[0];
assertEqual(entry.vertices.length, 2);
assertEqual(entry.vertices[0]._id, vertex.B);
assertEqual(entry.vertices[1]._id, vertex.C);
assertEqual(entry.edges.length, 1);
assertEqual(entry.edges[0]._id, edge.BC);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testOutboundDirection: function () {
var query = "FOR x IN OUTBOUND @startId GRAPH @graph RETURN x._id";
var bindVars = {
graph: gn,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
var entry = result[0];
assertEqual(entry, vertex.C);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testInboundDirection: function () {
var query = "FOR x IN INBOUND @startId GRAPH @graph RETURN x._id";
var bindVars = {
graph: gn,
startId: vertex.C
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
var entry = result[0];
assertEqual(entry, vertex.B);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testAnyDirection: function () {
var query = "FOR x IN ANY @startId GRAPH @graph SORT x._id ASC RETURN x._id";
var bindVars = {
graph: gn,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 3);
var entry = result[0];
assertEqual(entry, vertex.A);
entry = result[1];
assertEqual(entry, vertex.C);
entry = result[2];
assertEqual(entry, vertex.E);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testExactNumberSteps: function () {
var query = "FOR x IN 2 OUTBOUND @startId GRAPH @graph SORT x._id ASC RETURN x._id";
var bindVars = {
graph: gn,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 2);
assertEqual(result[0], vertex.D);
assertEqual(result[1], vertex.F);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testRangeNumberSteps: function () {
var query = "FOR x IN 2..3 OUTBOUND @startId GRAPH @graph SORT x._id ASC RETURN x._id";
var bindVars = {
graph: gn,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 3);
assertEqual(result[0], vertex.D);
assertEqual(result[1], vertex.E);
assertEqual(result[2], vertex.F);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testComputedNumberSteps: function () {
var query = "FOR x IN LENGTH([1,2]) OUTBOUND @startId GRAPH @graph SORT x._id ASC RETURN x._id";
var bindVars = {
graph: gn,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 2);
assertEqual(result[0], vertex.D);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testZeroSteps: function () {
// We only include the start vertex
var query = "FOR x IN 0 OUTBOUND @startId GRAPH @graph SORT x._id ASC RETURN x._id";
var bindVars = {
graph: gn,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0], vertex.B);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testZeroStartRangeSteps: function () {
// We only include the start vertex
var query = "FOR x IN 0..1 OUTBOUND @startId GRAPH @graph SORT x._id ASC RETURN x._id";
var bindVars = {
graph: gn,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 2);
assertEqual(result[0], vertex.B);
assertEqual(result[1], vertex.C);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testSort: function () {
var query = "FOR x IN OUTBOUND @startId GRAPH @graph SORT x._id ASC RETURN x._id";
var bindVars = {
graph: gn,
startId: vertex.C
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 2);
assertEqual(result[0], vertex.D);
assertEqual(result[1], vertex.F);
// Reverse ordering
query = "FOR x IN OUTBOUND @startId GRAPH @graph SORT x._id DESC RETURN x._id";
result = db._query(query, bindVars).toArray();
assertEqual(result.length, 2);
assertEqual(result[0], vertex.F);
assertEqual(result[1], vertex.D);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testUniqueEdgesOnPath : function () {
var query = "FOR x IN 6 OUTBOUND @startId GRAPH @graph RETURN x._id";
var bindVars = {
graph: gn,
startId: vertex.A
};
// No result A->B->C->F->E->B (->C) is already used!
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 0);
query = "FOR x, e, p IN 2 ANY @startId GRAPH @graph SORT x._id ASC " +
"RETURN {v: x._id, edges: p.edges, vertices: p.vertices}";
result = db._query(query, bindVars).toArray();
// result: A->B->C
// result: A->B<-E
// Invalid result: A->B<-A
assertEqual(result.length, 2);
assertEqual(result[0].v, vertex.C);
assertEqual(result[0].edges.length, 2);
assertEqual(result[0].edges[0]._id, edge.AB);
assertEqual(result[0].edges[1]._id, edge.BC);
assertEqual(result[0].vertices.length, 3);
assertEqual(result[0].vertices[0]._id, vertex.A);
assertEqual(result[0].vertices[1]._id, vertex.B);
assertEqual(result[0].vertices[2]._id, vertex.C);
assertEqual(result[1].v, vertex.E);
assertEqual(result[1].edges.length, 2);
assertEqual(result[1].edges[0]._id, edge.AB);
assertEqual(result[1].edges[1]._id, edge.EB);
assertEqual(result[1].vertices.length, 3);
assertEqual(result[1].vertices[0]._id, vertex.A);
assertEqual(result[1].vertices[1]._id, vertex.B);
assertEqual(result[1].vertices[2]._id, vertex.E);
query = `FOR x IN 1 ANY @startId GRAPH @graph
FOR y IN 1 ANY x GRAPH @graph
SORT y._id ASC RETURN y._id`;
result = db._query(query, bindVars).toArray();
// result: A->B<-A
// result: A->B->C
// result: A->B<-E
// The second traversal resets the path
assertEqual(result.length, 3);
assertEqual(result[0], vertex.A);
assertEqual(result[1], vertex.C);
assertEqual(result[2], vertex.E);
}
};
}
function multiCollectionGraphSuite () {
/***********************************************************************
* Graph under test:
*
* A -> B -> C -> D <-E2- V2:G
* /|\ \|/
* E <- F
*
*
*
***********************************************************************/
var g;
const gn = "UnitTestGraph";
const vn2 = "UnitTestVertexCollection2";
const en2 = "UnitTestEdgeCollection2";
var ruleName = "optimize-traversals";
var paramEnabled = { optimizer: { rules: [ "-all", "+" + ruleName ] } };
var opts = _.clone(paramEnabled);
// We always use the same query, the result should be identical.
var validateResult = function (result) {
assertEqual(result.length, 1);
var entry = result[0];
assertEqual(entry.vertex._id, vertex.C);
assertEqual(entry.path.vertices.length, 2);
assertEqual(entry.path.vertices[0]._id, vertex.B);
assertEqual(entry.path.vertices[1]._id, vertex.C);
assertEqual(entry.path.edges.length, 1);
assertEqual(entry.path.edges[0]._id, edge.BC);
};
return {
setUpAll: function() {
opts.allPlans = true;
opts.verbosePlans = true;
cleanup();
try {
gm._drop(gn);
} catch (e) {
// It is expected that this graph does not exist.
}
db._drop(vn2);
db._drop(en2);
createBaseGraph();
g = gm._create(gn, [gm._relation(en, vn, vn), gm._relation(en2, vn2, vn)]);
db[vn2].save({_key: "G"});
db[en2].save(vn2 + "/G", vn + "/D", {});
},
tearDownAll: function() {
gm._drop(gn);
db._drop(vn2);
db._drop(en2);
cleanup();
},
testNoBindParameterDoubleFor: function () {
/* this test is intended to trigger the clone functionality. */
var query = "FOR t IN " + vn +
" FOR s IN " + vn2 +
" FOR x, e, p IN OUTBOUND t " + en + " SORT x._key RETURN {vertex: x, path: p}";
var result = db._query(query).toArray();
var plans = AQL_EXPLAIN(query, { }, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testNoBindParameterSingleFor: function () {
var query = "FOR s IN " + vn + " FOR x, e, p IN OUTBOUND s " + en + " SORT x._key RETURN x";
var result = db._query(query).toArray();
var plans = AQL_EXPLAIN(query, { }, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testNoBindParameterSingleForFilter: function () {
var query = "FOR s IN " + vn + " FOR x, e, p IN OUTBOUND s " +
en + " FILTER p.vertices[1]._key == s._key SORT x._key RETURN x";
var result = db._query(query).toArray();
assertEqual(result.length, 0);
var plans = AQL_EXPLAIN(query, { }, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult.length, 0);
});
},
testNoBindParameterV8Function: function () {
var query = "FOR s IN " + vn + " FOR x, e, p IN OUTBOUND s " +
en + " FILTER p.vertices[1]._key == NOOPT(V8(RAND())) SORT x._key RETURN x";
var result = db._query(query).toArray();
assertEqual(result.length, 0);
var plans = AQL_EXPLAIN(query, { }, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult.length, 0);
});
},
testNoBindParameter: function () {
var query = `WITH ${vn}
FOR x, e, p IN OUTBOUND "${vertex.B}" ${en}
SORT x._key
RETURN {vertex: x, path: p}`;
var result = db._query(query).toArray();
validateResult(result);
var plans = AQL_EXPLAIN(query, { }, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testStartBindParameter: function () {
var query = `WITH ${vn}
FOR x, e, p IN OUTBOUND @startId ${en}
SORT x._key
RETURN {vertex: x, path: p}`;
var bindVars = {
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
validateResult(result);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testEdgeCollectionBindParameter: function () {
var query = `WITH ${vn}
FOR x, e, p IN OUTBOUND "${vertex.B}" @@eCol
SORT x._key
RETURN {vertex: x, path: p}`;
var bindVars = {
"@eCol": en
};
var result = db._query(query, bindVars).toArray();
validateResult(result);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testStepsBindParameter: function () {
var query = `WITH ${vn}
FOR x, e, p IN @steps OUTBOUND "${vertex.B}" ${en}
SORT x._key
RETURN {vertex: x, path: p}`;
var bindVars = {
steps: 1
};
var result = db._query(query, bindVars).toArray();
validateResult(result);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testStepsRangeBindParameter: function () {
var query = `WITH ${vn}
FOR x, e, p IN @lsteps..@rsteps OUTBOUND "${vertex.B}" ${en}
SORT x._key
RETURN {vertex: x, path: p}`;
var bindVars = {
lsteps: 1,
rsteps: 1
};
var result = db._query(query, bindVars).toArray();
validateResult(result);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testFirstEntryIsVertex: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND @startId @@eCol
SORT x._key
RETURN x`;
var bindVars = {
"@eCol": en,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0]._id, vertex.C);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testSecondEntryIsEdge: function () {
var query = `WITH ${vn}
FOR x, e IN OUTBOUND @startId @@eCol
SORT x._key
RETURN e`;
var bindVars = {
"@eCol": en,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0]._id, edge.BC);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testThirdEntryIsPath: function () {
var query = `WITH ${vn}
FOR x, e, p IN OUTBOUND @startId @@eCol
SORT x._key
RETURN p`;
var bindVars = {
"@eCol": en,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
var entry = result[0];
assertEqual(entry.vertices.length, 2);
assertEqual(entry.vertices[0]._id, vertex.B);
assertEqual(entry.vertices[1]._id, vertex.C);
assertEqual(entry.edges.length, 1);
assertEqual(entry.edges[0]._id, edge.BC);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testOutboundDirection: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND @startId @@eCol
SORT x._key
RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
var entry = result[0];
assertEqual(entry, vertex.C);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testInboundDirection: function () {
var query = `WITH ${vn}
FOR x IN INBOUND @startId @@eCol
SORT x._key
RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.C
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
var entry = result[0];
assertEqual(entry, vertex.B);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testAnyDirection: function () {
var query = `WITH ${vn}
FOR x IN ANY @startId @@eCol
SORT x._id ASC
RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 3);
var entry = result[0];
assertEqual(entry, vertex.A);
entry = result[1];
assertEqual(entry, vertex.C);
entry = result[2];
assertEqual(entry, vertex.E);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testExactNumberSteps: function () {
var query = `WITH ${vn}
FOR x IN 2 OUTBOUND @startId @@eCol
SORT x._id ASC
RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 2);
assertEqual(result[0], vertex.D);
assertEqual(result[1], vertex.F);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testRangeNumberSteps: function () {
var query = `WITH ${vn}
FOR x IN 2..3 OUTBOUND @startId @@eCol
SORT x._id ASC
RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 3);
assertEqual(result[0], vertex.D);
assertEqual(result[1], vertex.E);
assertEqual(result[2], vertex.F);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testComputedNumberSteps: function () {
var query = `WITH ${vn}
FOR x IN LENGTH([1,2]) OUTBOUND @startId @@eCol
SORT x._id ASC
RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.B
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 2);
assertEqual(result[0], vertex.D);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testSort: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND @startId @@eCol
SORT x._id ASC
RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.C
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 2);
assertEqual(result[0], vertex.D);
assertEqual(result[1], vertex.F);
// Reverse ordering
query = `WITH ${vn}
FOR x IN OUTBOUND @startId @@eCol
SORT x._id DESC
RETURN x._id`;
result = db._query(query, bindVars).toArray();
assertEqual(result.length, 2);
assertEqual(result[0], vertex.F);
assertEqual(result[1], vertex.D);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testSingleDocumentInput: function () {
var query = "FOR y IN @@vCol FILTER y._id == @startId "
+ "FOR x IN OUTBOUND y @@eCol SORT x._key RETURN x";
var bindVars = {
startId: vertex.B,
"@eCol": en,
"@vCol": vn
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0]._id, vertex.C);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testListDocumentInput: function () {
var query = `WITH ${vn}
FOR y IN @@vCol
FOR x IN OUTBOUND y @@eCol
SORT x._id ASC
RETURN x._id`;
var bindVars = {
"@eCol": en,
"@vCol": vn
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 6);
assertEqual(result[0], vertex.B);
assertEqual(result[1], vertex.B);
assertEqual(result[2], vertex.C);
assertEqual(result[3], vertex.D);
assertEqual(result[4], vertex.E);
assertEqual(result[5], vertex.F);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testOtherCollectionAttributeAccessInput: function () {
var query = `WITH ${vn}
FOR y IN @@vCol
FOR x IN OUTBOUND y._id @@eCol
SORT x._id ASC
RETURN x._id`;
var bindVars = {
"@eCol": en,
"@vCol": vn
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 6);
assertEqual(result[0], vertex.B);
assertEqual(result[1], vertex.B);
assertEqual(result[2], vertex.C);
assertEqual(result[3], vertex.D);
assertEqual(result[4], vertex.E);
assertEqual(result[5], vertex.F);
},
testTraversalAttributeAccessInput: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND @startId @@eCol
FOR y IN OUTBOUND x._id @@eCol
SORT y._id ASC
RETURN y._id`;
var bindVars = {
"@eCol": en,
"startId": vertex.A
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0], vertex.C);
},
testTraversalLetIdInput: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND @startId @@eCol
LET next = x._id
FOR y IN OUTBOUND next @@eCol
SORT y._id ASC
RETURN y._id`;
var bindVars = {
"@eCol": en,
"startId": vertex.A
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0], vertex.C);
},
testTraversalLetDocInput: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND @startId @@eCol
LET next = x
FOR y IN OUTBOUND next @@eCol
SORT y._id ASC
RETURN y._id`;
var bindVars = {
"@eCol": en,
"startId": vertex.A
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0], vertex.C);
}
};
}
function multiEdgeCollectionGraphSuite () {
/***********************************************************************
* Graph under test:
*
* B<----+ <- B & C via edge collection A
* |
* D<----A----<C
* |
* +----<E <- D & E via edge colltion B
*
***********************************************************************/
var g;
const gn = "UnitTestGraph";
const en2 = "UnitTestEdgeCollection2";
var ruleName = "optimize-traversals";
var paramEnabled = { optimizer: { rules: [ "-all", "+" + ruleName ] } };
var opts = _.clone(paramEnabled);
return {
setUpAll: function() {
opts.allPlans = true;
opts.verbosePlans = true;
cleanup();
try {
gm._drop(gn);
} catch (e) {
// It is expected that this graph does not exist.
}
vc = db._create(vn, {numberOfShards: 4});
ec = db._createEdgeCollection(en, {numberOfShards: 4});
var ec2 = db._createEdgeCollection(en2, {numberOfShards: 4});
g = gm._create(gn, [gm._relation(en, vn, vn), gm._relation(en2, vn, vn)]);
vertex.A = vc.save({_key: "A"})._id;
vertex.B = vc.save({_key: "B"})._id;
vertex.C = vc.save({_key: "C"})._id;
vertex.D = vc.save({_key: "D"})._id;
vertex.E = vc.save({_key: "E"})._id;
edge.AB = ec.save(vertex.A, vertex.B, {})._id;
edge.CA = ec.save(vertex.C, vertex.A, {})._id;
edge.AD = ec2.save(vertex.A, vertex.D, {})._id;
edge.EA = ec2.save(vertex.E, vertex.A, {})._id;
},
tearDownAll: function() {
gm._drop(gn);
db._drop(vn);
db._drop(en);
db._drop(en2);
cleanup();
},
testTwoVertexCollectionsInOutbound: function () {
/* this test is intended to trigger the clone functionality. */
var expectResult = ['B', 'C', 'D', 'E'];
var query = "FOR x IN ANY @startId GRAPH @graph SORT x._id RETURN x._key";
var bindVars = {
graph: gn,
startId: vertex.A
};
var result = db._query(query, bindVars).toArray();
assertEqual(result, expectResult, query);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
}
};
}
function potentialErrorsSuite () {
var vc, ec;
return {
setUpAll: function () {
cleanup();
vc = db._create(vn);
ec = db._createEdgeCollection(en);
vertex.A = vn + "/unknown";
vertex.B = vc.save({_key: "B"})._id;
vertex.C = vc.save({_key: "C"})._id;
ec.save(vertex.B, vertex.C, {});
},
tearDownAll: cleanup,
testNonIntegerSteps: function () {
var query = "FOR x IN 2.5 OUTBOUND @startId @@eCol RETURN x";
var bindVars = {
"@eCol": en,
"startId": vertex.A
};
try {
db._query(query, bindVars).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_QUERY_PARSE.code);
}
},
testNonNumberSteps: function () {
var query = "FOR x IN 'invalid' OUTBOUND @startId @@eCol RETURN x";
var bindVars = {
"@eCol": en,
"startId": vertex.A
};
try {
db._query(query, bindVars).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_QUERY_PARSE.code);
}
},
testMultiDirections: function () {
var query = "FOR x IN OUTBOUND ANY @startId @@eCol RETURN x";
var bindVars = {
"@eCol": en,
"startId": vertex.A
};
try {
db._query(query, bindVars).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_QUERY_PARSE.code);
}
},
testNoCollections: function () {
var query = "FOR x IN OUTBOUND @startId RETURN x";
var bindVars = {
"startId": vertex.A
};
try {
db._query(query, bindVars).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_QUERY_PARSE.code);
}
},
testNoStartVertex: function () {
var query = "FOR x IN OUTBOUND @@eCol RETURN x";
var bindVars = {
"@eCol": en
};
try {
db._query(query, bindVars).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_QUERY_PARSE.code);
}
},
testTooManyOutputParameters: function () {
var query = "FOR x, y, z, f IN OUTBOUND @startId @@eCol RETURN x";
var bindVars = {
"@eCol": en,
"startId": vertex.A
};
try {
db._query(query, bindVars).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_QUERY_PARSE.code);
}
},
testTraverseVertexCollection: function () {
var query = `FOR x IN OUTBOUND @startId @@eCol, @@vCol RETURN x`;
var bindVars = {
"@eCol": en,
"@vCol": vn,
"startId": vertex.A
};
try {
db._query(query, bindVars).toArray();
fail(query + " should not be allowed");
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_ARANGO_COLLECTION_TYPE_INVALID.code);
}
},
testStartWithSubquery: function () {
var query = `FOR x IN OUTBOUND (FOR y IN @@vCol SORT y._id LIMIT 3 RETURN y) @@eCol SORT x._id RETURN x`;
var bindVars = {
"@eCol": en,
"@vCol": vn
};
var x = db._query(query, bindVars);
var result = x.toArray();
var extra = x.getExtra();
assertEqual(result, []);
assertEqual(extra.warnings.length, 1);
},
testStepsSubquery: function() {
var query = `WITH ${vn}
FOR x IN (FOR y IN 1..1 RETURN y) OUTBOUND @startId @@eCol
RETURN x`;
var bindVars = {
"@eCol": en,
"startId": vertex.A
};
try {
db._query(query, bindVars).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_QUERY_PARSE.code);
}
},
testCrazyStart1: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND null @@eCol
RETURN x`;
var bindVars = {
"@eCol": en,
};
try {
db._query(query, bindVars).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_QUERY_PARSE.code);
}
},
testCrazyStart2: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND 1 @@eCol
RETURN x`;
var bindVars = {
"@eCol": en,
};
try {
db._query(query, bindVars).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_QUERY_PARSE.code);
}
},
testCrazyStart3: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND [] @@eCol
RETURN x`;
var bindVars = {
"@eCol": en,
};
var x = db._query(query, bindVars);
var result = x.toArray();
var extra = x.getExtra();
assertEqual(result, []);
assertEqual(extra.warnings.length, 1);
},
testCrazyStart4: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND 'foobar' @@eCol
RETURN x`;
var bindVars = {
"@eCol": en,
};
var x = db._query(query, bindVars);
var result = x.toArray();
var extra = x.getExtra();
assertEqual(result, []);
assertEqual(extra.warnings.length, 1);
},
testCrazyStart5: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND {foo: 'bar'} @@eCol
RETURN x`;
var bindVars = {
"@eCol": en,
};
var x = db._query(query, bindVars);
var result = x.toArray();
var extra = x.getExtra();
assertEqual(result, []);
assertEqual(extra.warnings.length, 0);
},
testCrazyStart6: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND {_id: @startId} @@eCol
RETURN x._id`;
var bindVars = {
"startId": vertex.B,
"@eCol": en
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0], vertex.C);
},
testCrazyStart7: function () {
var query = `FOR x IN OUTBOUND
(FOR y IN @@vCol FILTER y._id == @startId RETURN y) @@eCol
RETURN x._id`;
var bindVars = {
"startId": vertex.B,
"@eCol": en,
"@vCol": vn
};
var x = db._query(query, bindVars);
var result = x.toArray();
var extra = x.getExtra();
assertEqual(result, []);
assertEqual(extra.warnings.length, 1);
// Fix the query, just use the first value
query = `WITH ${vn}
FOR x IN OUTBOUND
(FOR y IN @@vCol FILTER y._id == @startId RETURN y)[0] @@eCol
RETURN x._id`;
result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0], vertex.C);
},
testCrazyStart8: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND
(FOR y IN @@eCol FILTER y._id == @startId RETURN 'peter') @@eCol
RETURN x._id`;
var bindVars = {
"startId": vertex.A,
"@eCol": en
};
var x = db._query(query, bindVars);
var result = x.toArray();
var extra = x.getExtra();
assertEqual(result, []);
assertEqual(extra.warnings.length, 1);
// Actually use the string!
query = `WITH ${vn}
FOR x IN OUTBOUND
(FOR y IN @@eCol FILTER y._id == @startId RETURN 'peter')[0] @@eCol
RETURN x._id`;
result = db._query(query, bindVars).toArray();
assertEqual(result.length, 0);
}
};
}
function complexInternaSuite () {
var ruleName = "optimize-traversals";
var paramEnabled = { optimizer: { rules: [ "-all", "+" + ruleName ] } };
var opts = _.clone(paramEnabled);
return {
setUp: function () {
opts.allPlans = true;
opts.verbosePlans = true;
cleanup();
createBaseGraph();
},
tearDown: cleanup,
testUnknownVertexCollection: function () {
const vn2 = "UnitTestVertexCollectionOther";
db._drop(vn2);
const vc2 = db._create(vn2);
vc.save({_key: "1"});
vc2.save({_key: "1"});
ec.save(vn + "/1", vn2 + "/1", {});
var query = `WITH ${vn2}
FOR x IN OUTBOUND @startId @@eCol
RETURN x`;
var bindVars = {
"@eCol": en,
"startId": vn + "/1"
};
// NOTE: vn2 is not explicitly named in AQL
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0]._id, vn2 + "/1");
db._drop(vn2);
},
testStepsFromLet: function () {
var query = `WITH ${vn}
LET s = 1
FOR x IN s OUTBOUND @startId @@eCol
RETURN x`;
var bindVars = {
"@eCol": en,
"startId": vertex.A
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result[0]._id, vertex.B);
},
testMultipleBlocksResult: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND @startId @@eCol
SORT x._key RETURN x`;
var amount = 10000;
var startId = vn + "/test";
var bindVars = {
"@eCol": en,
"startId": startId
};
vc.save({_key: startId.split("/")[1]});
// Insert amount many edges and vertices into the collections.
for (var i = 0; i < amount; ++i) {
var tmp = vc.save({_key: "" + i})._id;
ec.save(startId, tmp, {});
}
// Check that we can get all of them out again.
var result = db._query(query, bindVars).toArray();
// Internally: The Query selects elements in chunks, check that nothing is lost.
assertEqual(result.length, amount);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testSkipSome: function () {
var query = `WITH ${vn}
FOR x, e, p IN 1..2 OUTBOUND @startId @@eCol
LIMIT 4, 100
RETURN p.vertices[1]._key`;
var startId = vn + "/test";
var bindVars = {
"@eCol": en,
"startId": startId
};
vc.save({_key: startId.split("/")[1]});
// Insert amount many edges and vertices into the collections.
for (var i = 0; i < 3; ++i) {
var tmp = vc.save({_key: "" + i})._id;
ec.save(startId, tmp, {});
for (var k = 0; k < 3; ++k) {
var tmp2 = vc.save({_key: "" + i + "_" + k})._id;
ec.save(tmp, tmp2, {});
}
}
// Check that we can get all of them out again.
var result = db._query(query, bindVars).toArray();
// Internally: The Query selects elements in chunks, check that nothing is lost.
assertEqual(result.length, 8);
// Each of the 3 parts of this graph contains of 4 nodes, one connected to the start.
// And 3 connected to the first one. As we do a depth first traversal we expect to skip
// exactly one sub-tree. Therefor we expect exactly two sub-trees to be traversed.
var seen = {};
for (var r of result) {
if (!seen.hasOwnProperty(r)) {
seen[r] = true;
}
}
assertEqual(Object.keys(seen).length, 2);
var plans = AQL_EXPLAIN(query, bindVars, opts).plans;
plans.forEach(function(plan) {
var jsonResult = AQL_EXECUTEJSON(plan, { optimizer: { rules: [ "-all" ] } }).json;
assertEqual(jsonResult, result, query);
});
},
testManyResults: function () {
var query = `WITH ${vn}
FOR x IN OUTBOUND @startId @@eCol
RETURN x._key`;
var startId = vn + "/many";
var bindVars = {
"@eCol": en,
"startId": startId
};
vc.save({_key: startId.split("/")[1]});
var amount = 10000;
for (var i = 0; i < amount; ++i) {
var _id = vc.save({});
ec.save(startId, _id, {});
}
var result = db._query(query, bindVars);
var found = 0;
// Count has to be correct
assertEqual(result.count(), amount);
while (result.hasNext()) {
result.next();
++found;
}
// All elements must be enumerated
assertEqual(found, amount);
},
};
}
function optimizeInSuite () {
var ruleName = "optimize-traversals";
var startId = vn + "/optIn";
return {
setUpAll: function () {
cleanup();
vc = db._create(vn, {numberOfShards: 4});
ec = db._createEdgeCollection(en, {numberOfShards: 4});
vc.save({_key: startId.split("/")[1]});
for (var i = 0; i < 100; ++i) {
var tmp = vc.save({_key: "tmp" + i, value: i});
ec.save(startId, tmp._id, {_key: "tmp" + i, value: i});
for (var j = 0; j < 100; ++j) {
var innerTmp = vc.save({_key: "innertmp" + i + "_" + j});
ec.save(tmp._id, innerTmp._id, {});
}
}
},
tearDownAll: cleanup,
testSingleOptimize: function () {
var vertexQuery = `WITH ${vn}
FOR v, e, p IN 2 OUTBOUND @startId @@eCol
FILTER p.vertices[1]._key IN @keys
RETURN v._key`;
var edgeQuery = `WITH ${vn}
FOR v, e, p IN 2 OUTBOUND @startId @@eCol
FILTER p.edges[0]._key IN @keys
RETURN v._key`;
var bindVars = {
"@eCol": en,
"startId": startId,
"keys": ["tmp0", "tmp1", "tmp2", "tmp3", "tmp4", "tmp5", "tmp6", "tmp7", "tmp8", "tmp9"]
};
var result = db._query(vertexQuery, bindVars);
var extra = result.getExtra();
// We have only 10 valid elements in the array.
assertEqual(extra.stats.filtered, 90);
assertEqual(result.count(), 1000);
result = db._query(edgeQuery, bindVars);
extra = result.getExtra();
if (isCluster) {
// The cluster uses a different index no filtering on _key
assertEqual(extra.stats.filtered, 0);
} else {
// We have only 10 valid elements in the array.
assertEqual(extra.stats.filtered, 0);
}
assertEqual(result.count(), 1000);
// if the rule is disabled we expect to do way more filtering
var noOpt = { optimizer: { rules: [ "-all" ] } };
result = db._query(vertexQuery, bindVars, {}, noOpt);
extra = result.getExtra();
// For each vertex not in the list we filter once for every connected edge
assertEqual(extra.stats.filtered, 90 * 100);
assertEqual(result.count(), 1000);
result = db._query(edgeQuery, bindVars, {}, noOpt);
extra = result.getExtra();
// For each vertex not in the list we filter once for every connected edge
assertEqual(extra.stats.filtered, 90 * 100);
assertEqual(result.count(), 1000);
},
testCombinedAndOptimize: function () {
var vertexQuery = `WITH ${vn}
FOR v, e, p IN 2 OUTBOUND @startId @@eCol
FILTER p.vertices[1]._key IN @keys
AND p.vertices[1].value IN @values
RETURN v._key`;
var edgeQuery = `WITH ${vn}
FOR v, e, p IN 2 OUTBOUND @startId @@eCol
FILTER p.edges[0]._key IN @keys
AND p.edges[0].value IN @values
RETURN v._key`;
var mixedQuery1 = `WITH ${vn}
FOR v, e, p IN 2 OUTBOUND @startId @@eCol
FILTER p.edges[0]._key IN @keys
AND p.vertices[1].value IN @values
RETURN v._key`;
var mixedQuery2 = `WITH ${vn}
FOR v, e, p IN 2 OUTBOUND @startId @@eCol
FILTER p.vertices[1]._key IN @keys
AND p.edges[0].value IN @values
RETURN v._key`;
var bindVars = {
"@eCol": en,
"startId": startId,
"keys": ["tmp0", "tmp1", "tmp2", "tmp3", "tmp4", "tmp5", "tmp6", "tmp7", "tmp8", "tmp9"],
"values": [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
};
var result = db._query(vertexQuery, bindVars);
var extra = result.getExtra();
// We have only 10 valid elements in the array.
assertEqual(extra.stats.filtered, 90);
assertEqual(result.count(), 1000);
result = db._query(edgeQuery, bindVars);
extra = result.getExtra();
if (isCluster) {
// The cluster uses a different index no filtering on _key
assertEqual(extra.stats.filtered, 0);
} else {
// We have only 10 valid elements in the array.
assertEqual(extra.stats.filtered, 0);
}
assertEqual(result.count(), 1000);
result = db._query(mixedQuery1, bindVars);
extra = result.getExtra();
if (isCluster) {
// The cluster uses a different index no filtering on _key
assertEqual(extra.stats.filtered, 0);
} else {
// We have only 10 valid elements in the array.
assertEqual(extra.stats.filtered, 0);
}
assertEqual(result.count(), 1000);
result = db._query(mixedQuery2, bindVars);
extra = result.getExtra();
// We have only 10 valid elements in the array.
assertEqual(extra.stats.filtered, 90);
assertEqual(result.count(), 1000);
// if the rule is disabled we expect to do way more filtering
var noOpt = { optimizer: { rules: [ "-all" ] } };
result = db._query(vertexQuery, bindVars, {}, noOpt);
extra = result.getExtra();
// For each vertex not in the list we filter once for every connected edge
assertEqual(extra.stats.filtered, 90 * 100);
assertEqual(result.count(), 1000);
result = db._query(edgeQuery, bindVars, {}, noOpt);
extra = result.getExtra();
// For each vertex not in the list we filter once for every connected edge
assertEqual(extra.stats.filtered, 90 * 100);
assertEqual(result.count(), 1000);
result = db._query(mixedQuery1, bindVars, {}, noOpt);
extra = result.getExtra();
// For each vertex not in the list we filter once for every connected edge
assertEqual(extra.stats.filtered, 90 * 100);
assertEqual(result.count(), 1000);
result = db._query(mixedQuery2, bindVars, {}, noOpt);
extra = result.getExtra();
// For each vertex not in the list we filter once for every connected edge
assertEqual(extra.stats.filtered, 90 * 100);
assertEqual(result.count(), 1000);
},
testCombinedNoOptimize: function () {
var vertexQuery = `WITH ${vn}
FOR v, e, p IN 2 OUTBOUND @startId @@eCol
FILTER @obj IN p.vertices
RETURN [v, e, p]`;
var edgeQuery = `WITH ${vn}
FOR v, e, p IN 2 OUTBOUND @startId @@eCol
FILTER @obj IN p.edges
RETURN [v, e, p]`;
var bindVars = {
"@eCol": en,
"startId": startId,
"obj": {"_key": "tmp0", "value": 0}
};
var noOpt = { optimizer: { rules: [ "-all" ] } };
var opt = { optimizer: { rules: [ "-all" , "+" + ruleName ] } };
var optPlans = AQL_EXPLAIN(vertexQuery, bindVars, opt).plan;
var noOptPlans = AQL_EXPLAIN(vertexQuery, bindVars, noOpt).plan;
assertEqual(optPlans.rules, []);
// This query cannot be optimized by traversal rule
assertEqual(optPlans, noOptPlans);
optPlans = AQL_EXPLAIN(edgeQuery, bindVars, opt).plan;
noOptPlans = AQL_EXPLAIN(edgeQuery, bindVars, noOpt).plan;
assertEqual(optPlans.rules, []);
// This query cannot be optimized by traversal rule
assertEqual(optPlans, noOptPlans);
},
};
}
function complexFilteringSuite () {
/***********************************************************************
* Graph under test:
*
* C <- B <- A -> D -> E
* F <--| |--> G
*
*
*
*
*
* Tri1 --> Tri2
* ^ |
* |--Tri3<-|
*
*
***********************************************************************/
return {
setUpAll: function() {
cleanup();
var vc = db._create(vn, {numberOfShards: 4});
var ec = db._createEdgeCollection(en, {numberOfShards: 4});
vertex.A = vc.save({_key: "A", left: false, right: false})._id;
vertex.B = vc.save({_key: "B", left: true, right: false, value: 25})._id;
vertex.C = vc.save({_key: "C", left: true, right: false})._id;
vertex.D = vc.save({_key: "D", left: false, right: true, value: 75})._id;
vertex.E = vc.save({_key: "E", left: false, right: true})._id;
vertex.F = vc.save({_key: "F", left: true, right: false})._id;
vertex.G = vc.save({_key: "G", left: false, right: true})._id;
edge.AB = ec.save(vertex.A, vertex.B, {left: true, right: false})._id;
edge.BC = ec.save(vertex.B, vertex.C, {left: true, right: false})._id;
edge.AD = ec.save(vertex.A, vertex.D, {left: false, right: true})._id;
edge.DE = ec.save(vertex.D, vertex.E, {left: false, right: true})._id;
edge.BF = ec.save(vertex.B, vertex.F, {left: true, right: false})._id;
edge.DG = ec.save(vertex.D, vertex.G, {left: false, right: true})._id;
vertex.Tri1 = vc.save({_key: "Tri1", isLoop: true})._id;
vertex.Tri2 = vc.save({_key: "Tri2", isLoop: true})._id;
vertex.Tri3 = vc.save({_key: "Tri3", isLoop: true})._id;
edge.Tri12 = ec.save(vertex.Tri1, vertex.Tri2, {isLoop: true})._id;
edge.Tri23 = ec.save(vertex.Tri2, vertex.Tri3, {isLoop: true})._id;
edge.Tri31 = ec.save(vertex.Tri3, vertex.Tri1, {isLoop: true, lateLoop: true})._id;
},
tearDownAll: cleanup,
testVertexEarlyPruneHighDepth: function () {
var query = `WITH ${vn}
FOR v, e, p IN 100 OUTBOUND @start @@eCol
FILTER p.vertices[1]._key == 'wrong'
RETURN v`;
var bindVars = {
"@eCol": en,
"start": vertex.Tri1
};
var cursor = db._query(query, bindVars);
assertEqual(cursor.count(), 0);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
// 1 Primary (Tri1)
// 1 Edge (Tri1->Tri2)
// 1 Primary (Tri2)
if (isCluster) {
assertEqual(stats.scannedIndex, 2);
}
else {
assertEqual(stats.scannedIndex, 1);
}
assertEqual(stats.filtered, 1);
},
testStartVertexEarlyPruneHighDepth: function () {
var query = `WITH ${vn}
FOR v, e, p IN 100 OUTBOUND @start @@eCol
FILTER p.vertices[0]._key == 'wrong'
RETURN v`;
var bindVars = {
"@eCol": en,
"start": vertex.Tri1
};
var cursor = db._query(query, bindVars);
assertEqual(cursor.count(), 0);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
// 1 Primary (Tri1)
assertEqual(stats.scannedIndex, 1);
assertEqual(stats.filtered, 1);
},
testEdgesEarlyPruneHighDepth: function () {
var query = `WITH ${vn}
FOR v, e, p IN 100 OUTBOUND @start @@eCol
FILTER p.edges[0]._key == 'wrong'
RETURN v`;
var bindVars = {
"@eCol": en,
"start": vertex.Tri1
};
var cursor = db._query(query, bindVars);
assertEqual(cursor.count(), 0);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
// The lookup will be using the primary Index.
// It will find 0 elements.
assertEqual(stats.scannedIndex, 0);
assertEqual(stats.filtered, 0);
},
testVertexLevel0: function () {
var query = `WITH ${vn}
FOR v, e, p IN 1..2 OUTBOUND @start @@ecol
FILTER p.vertices[0].left == true
SORT v._key
RETURN v._key`;
var bindVars = {
"@ecol": en,
start: vertex.A
};
var cursor = db._query(query, bindVars);
assertEqual(cursor.count(), 0);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
// 1 Primary (A)
// 0 Edge
assertEqual(stats.scannedIndex, 1);
// 1 Filter (A)
assertEqual(stats.filtered, 1);
},
testVertexLevel1: function () {
var query = `WITH ${vn}
FOR v, e, p IN 1..2 OUTBOUND @start @@ecol
FILTER p.vertices[1].left == true
SORT v._key
RETURN v._key`;
var bindVars = {
"@ecol": en,
start: vertex.A
};
var cursor = db._query(query, bindVars);
assertEqual(cursor.count(), 3);
assertEqual(cursor.toArray(), ["B", "C", "F"]);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
// 1 Primary lookup A
// 2 Edge Lookups (A)
// 2 Primary lookup B,D
// 2 Edge Lookups (2 B) (0 D)
// 2 Primary Lookups (C, F)
assertEqual(stats.scannedIndex, 9);
}
else {
// 2 Edge Lookups (A)
// 2 Primary (B, D) for Filtering
// 2 Edge Lookups (B)
// All edges are cached
// 1 Primary Lookups A -> B (B cached)
// 1 Primary Lookups A -> B -> C (A, B cached)
// 1 Primary Lookups A -> B -> F (A, B cached)
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 9);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 18);
}
// 1 Filter On D
assertEqual(stats.filtered, 1);
},
testVertexLevel2: function () {
var query = `WITH ${vn}
FOR v, e, p IN 1..2 OUTBOUND @start @@ecol
FILTER p.vertices[2].left == true
SORT v._key
RETURN v._key`;
var bindVars = {
"@ecol": en,
start: vertex.A
};
var cursor = db._query(query, bindVars);
// We expect to find C, F
// B and D will be post filtered
assertEqual(cursor.count(), 2);
assertEqual(cursor.toArray(), ["C", "F"]);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
// 1 Primary lookup A
// 2 Primary lookup B,D
// 4 Primary Lookups (C, F, E, G)
assertEqual(stats.scannedIndex, 13);
}
else {
// 2 Edge Lookups (A)
// 4 Edge Lookups (2 B) (2 D)
// 4 Primary Lookups for Eval (C, E, G, F)
// 2 Primary Lookups A -> B (A, B)
// 1 Primary Lookups A -> D (D)
// 0 Primary Lookups A -> B -> C
// 0 Primary Lookups A -> B -> F
// Without traverser-read-cache
// assertEqual(stats.scannedIndex, 13);
// With traverser-read-cache
assertEqual(stats.scannedIndex, 24);
}
// 2 Filter (B, C) too short
// 2 Filter (E, G)
assertEqual(stats.filtered, 4);
},
testVertexLevelsCombined: function () {
var query = `WITH ${vn}
FOR v, e, p IN 1..2 OUTBOUND @start @@ecol
FILTER p.vertices[1].right == true
FILTER p.vertices[2].left == true
SORT v._key
RETURN v._key`;
var bindVars = {
"@ecol": en,
start: vertex.A
};
var cursor = db._query(query, bindVars);
// Everything should be filtered, no results
assertEqual(cursor.count(), 0);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
// 2 Edge Lookups (A)
// 2 Primary lookup B,D
// 2 Edge Lookups (0 B) (2 D)
// 2 Primary Lookups (E, G)
assertEqual(stats.scannedIndex, 9);
}
else {
// 2 Edge Lookups (A)
// 2 Primary Lookups for Eval (B, D)
// 2 Edge Lookups (0 B) (2 D)
// 2 Primary Lookups for Eval (E, G)
// 1 Primary Lookups A -> D
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 9);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 8);
}
// 2 Filter (B, D) too short
// 2 Filter (E, G)
assertEqual(stats.filtered, 4);
},
testEdgeLevel0: function () {
var query = `WITH ${vn}
FOR v, e, p IN 1..2 OUTBOUND @start @@ecol
FILTER p.edges[0].left == true
SORT v._key
RETURN v._key`;
var bindVars = {
"@ecol": en,
start: vertex.A
};
var cursor = db._query(query, bindVars);
assertEqual(cursor.count(), 3);
assertEqual(cursor.toArray(), ["B", "C", "F"]);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
// 2 Edge
// 1 Primary (B)
// 2 Edge
// 2 Primary (C,F)
assertEqual(stats.scannedIndex, 7);
}
else {
// 2 Edge Lookups (A)
// 2 Edge Lookups (B)
// 2 Primary Lookups A -> B
// 1 Primary Lookups A -> B -> C
// 1 Primary Lookups A -> B -> F
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 8);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 16);
}
// 1 Filter (A->D)
assertEqual(stats.filtered, 1);
},
testEdgeLevel1: function () {
var query = `WITH ${vn}
FOR v, e, p IN 1..2 OUTBOUND @start @@ecol
FILTER p.edges[1].left == true
SORT v._key
RETURN v._key`;
var bindVars = {
"@ecol": en,
start: vertex.A
};
var cursor = db._query(query, bindVars);
assertEqual(cursor.count(), 2);
assertEqual(cursor.toArray(), ["C", "F"]);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
// 2 Edge Lookups (A)
// 4 Edge Lookups (2 B) (2 D)
// 2 Primary Lookups (C, F)
// It may be that B or D are fetched accidentially
// they may be inserted in the vertexToFetch list, which
// lazy loads all vertices in it.
if (stats.scannedIndex !== 8) {
assertEqual(stats.scannedIndex, 9);
}
}
else {
// 2 Edge Lookups (A)
// 4 Edge Lookups (2 B) (2 D)
// 2 Primary Lookups A -> B
// 1 Primary Lookups A -> D
// 1 Primary Lookups A -> B -> C
// 1 Primary Lookups A -> B -> F
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 11);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 20);
}
// 2 Filter On (B, D) too short
// 2 Filter On (D->E, D->G)
assertEqual(stats.filtered, 4);
},
testVertexLevel1Less: function () {
var filters = [
"FILTER p.vertices[1].value <= 50",
"FILTER p.vertices[1].value <= 25",
"FILTER 25 >= p.vertices[1].value",
"FILTER 50 >= p.vertices[1].value",
"FILTER p.vertices[1].value < 50",
"FILTER p.vertices[1].value < 75",
"FILTER 75 > p.vertices[1].value",
"FILTER 50 > p.vertices[1].value"
];
for (var f of filters) {
var query = `WITH ${vn}
FOR v, e, p IN 1..2 OUTBOUND @start @@ecol
${f}
SORT v._key
RETURN v._key`;
var bindVars = {
"@ecol": en,
start: vertex.A
};
var cursor = db._query(query, bindVars);
assertEqual(cursor.count(), 3, query);
assertEqual(cursor.toArray(), ["B", "C", "F"]);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
// 1 Primary lookup A
// 2 Edge Lookups (A)
// 2 Primary lookup B,D
// 2 Edge Lookups (2 B) (0 D)
// 2 Primary Lookups (C, F)
assertEqual(stats.scannedIndex, 9);
}
else {
// Cluster uses a lookup cache.
// Pointless in single-server mode
// Makes Primary Lookups for data
// 2 Edge Lookups (A)
// 2 Primary (B, D) for Filtering
// 2 Edge Lookups (B)
// 1 Primary Lookups A -> B
// 1 Primary Lookups A -> B -> C
// 1 Primary Lookups A -> B -> F
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 9);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 18);
}
// 1 Filter On D
assertEqual(stats.filtered, 1);
}
},
testVertexLevel1Greater: function () {
var filters = [
"FILTER p.vertices[1].value > 50",
"FILTER p.vertices[1].value > 25",
"FILTER 25 < p.vertices[1].value",
"FILTER 50 < p.vertices[1].value",
"FILTER p.vertices[1].value > 50",
"FILTER p.vertices[1].value >= 75",
"FILTER 75 <= p.vertices[1].value",
"FILTER 50 < p.vertices[1].value"
];
for (var f of filters) {
var query = `WITH ${vn}
FOR v, e, p IN 1..2 OUTBOUND @start @@ecol
${f}
SORT v._key
RETURN v._key`;
var bindVars = {
"@ecol": en,
start: vertex.A
};
var cursor = db._query(query, bindVars);
assertEqual(cursor.count(), 3, query);
assertEqual(cursor.toArray(), ["D", "E", "G"]);
var stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
// 1 Primary lookup A
// 2 Edge Lookups (A)
// 2 Primary lookup B,D
// 2 Edge Lookups (2 B) (0 D)
// 2 Primary Lookups (C, F)
assertEqual(stats.scannedIndex, 9);
}
else {
// Cluster uses a lookup cache.
// Pointless in single-server mode
// Makes Primary Lookups for data
// 2 Edge Lookups (A)
// 2 Primary (B, D) for Filtering
// 2 Edge Lookups (B)
// 1 Primary Lookups A -> B
// 1 Primary Lookups A -> B -> C
// 1 Primary Lookups A -> B -> F
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 9);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 18);
}
// 1 Filter On D
assertEqual(stats.filtered, 1);
}
}
};
}
function brokenGraphSuite () {
var paramDisabled = { optimizer: { rules: [ "-all" ] } };
return {
setUpAll: function () {
cleanup();
vc = db._create(vn, {numberOfShards: 4});
ec = db._createEdgeCollection(en, {numberOfShards: 4});
vertex.A = vc.save({_key: "A"})._id;
vertex.B = vc.save({_key: "B"})._id;
ec.save(vertex.A, vn + "/missing", {});
ec.save(vn + "/missing", vertex.B, {});
},
tearDownAll: cleanup,
testRequestMissingVertex: function () {
var query = `WITH ${vn} FOR x IN OUTBOUND @startId @@eCol RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.A
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result, [null]);
},
testStartAtMissingVertex: function () {
var query = `WITH ${vn} FOR x IN OUTBOUND @startId @@eCol RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vn + "/missing"
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result, [vertex.B]);
},
testHopOverMissingVertex: function () {
var query = `WITH ${vn} FOR x IN 2 OUTBOUND @startId @@eCol RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.A
};
var result = db._query(query, bindVars).toArray();
assertEqual(result.length, 1);
assertEqual(result, [vertex.B]);
},
testFilterOnMissingVertexNotTrue: function () {
var filter = [
"FILTER p.vertices[1].attribute == 'missing'",
"FILTER p.vertices[1].attribute > 12",
"FILTER p.vertices[1] != null"
];
for (var i = 0; i < filter.length; ++i) {
var query = `WITH ${vn} FOR x, e, p IN 2 OUTBOUND @startId @@eCol ${filter[i]} RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.A
};
var result = AQL_EXECUTE(query, bindVars).json;
assertEqual(result.length, 0, "With opt: ", query);
result = AQL_EXECUTE(query, bindVars, paramDisabled).json;
assertEqual(result.length, 0, "Without opt: ", query);
}
},
testFilterOnMissingVertexTrue: function () {
var filter = [
"FILTER p.vertices[1].attribute != 'missing'",
"FILTER p.vertices[1].attribute < 12",
"FILTER p.vertices[1] == null"
];
for (var i = 0; i < filter.length; ++i) {
var query = `WITH ${vn} FOR x, e, p IN 2 OUTBOUND @startId @@eCol ${filter[i]} RETURN x._id`;
var bindVars = {
"@eCol": en,
startId: vertex.A
};
var result = AQL_EXECUTE(query, bindVars).json;
assertEqual(result.length, 1, "With opt: ", query);
assertEqual(result, [ vertex.B ], "With opt: ", query);
result = AQL_EXECUTE(query, bindVars, paramDisabled).json;
assertEqual(result.length, 1, "Without opt: ", query);
assertEqual(result, [ vertex.B ], "Without opt: ", query);
}
},
testQueryWithEmptyGraph: function () {
var query = `FOR x IN OUTBOUND 'start/123' GRAPH @graph RETURN x`;
var emptyGN = "UnitTestEmptyGraph";
try {
gm._drop(emptyGN);
} catch (e) {
}
gm._create(emptyGN);
var bindVars = {
graph: emptyGN
};
try {
db._query(query, bindVars);
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_GRAPH_EMPTY.code);
}
}
};
}
function multiEdgeDirectionSuite () {
const en2 = "UnitTestEdgeCollection2";
var ec2;
return {
setUpAll: function () {
cleanup();
db._drop(en2);
vc = db._create(vn, {numberOfShards: 4});
ec = db._createEdgeCollection(en, {numberOfShards: 4});
ec2 = db._createEdgeCollection(en2, {numberOfShards: 4});
vertex.A = vc.save({_key: "A"})._id;
vertex.B = vc.save({_key: "B"})._id;
vertex.C = vc.save({_key: "C"})._id;
vertex.D = vc.save({_key: "D"})._id;
vertex.E = vc.save({_key: "E"})._id;
vertex.F = vc.save({_key: "F"})._id;
// F is always 2 hops away and only reachable with alternating
// collections and directions
ec.save(vertex.A, vertex.B, {});
ec.save(vertex.C, vertex.A, {});
ec2.save(vertex.A, vertex.D, {});
ec2.save(vertex.E, vertex.A, {});
ec2.save(vertex.F, vertex.B, {});
ec2.save(vertex.C, vertex.F, {});
ec.save(vertex.F, vertex.D, {});
ec.save(vertex.E, vertex.F, {});
},
tearDownAll: function () {
cleanup();
db._drop(en2);
},
testOverrideOneDirection: function () {
var queries = [
{ q1 :`WITH ${vn} FOR x IN ANY @start @@ec1, INBOUND @@ec2 SORT x._key RETURN x._id`,
q2 :`WITH ${vn} FOR x IN ANY @start ${en}, INBOUND ${en2} SORT x._key RETURN x._id`,
res: [vertex.B, vertex.C, vertex.E] },
{ q1 :`WITH ${vn} FOR x IN ANY @start @@ec1, OUTBOUND @@ec2 SORT x._key RETURN x._id`,
q2 :`WITH ${vn} FOR x IN ANY @start ${en}, OUTBOUND ${en2} SORT x._key RETURN x._id`,
res: [vertex.B, vertex.C, vertex.D] },
{ q1 :`WITH ${vn} FOR x IN ANY @start INBOUND @@ec1, @@ec2 SORT x._key RETURN x._id`,
q2 :`WITH ${vn} FOR x IN ANY @start INBOUND ${en}, ${en2} SORT x._key RETURN x._id`,
res: [vertex.C, vertex.D, vertex.E] },
{ q1 :`WITH ${vn} FOR x IN ANY @start OUTBOUND @@ec1, @@ec2 SORT x._key RETURN x._id`,
q2 :`WITH ${vn} FOR x IN ANY @start OUTBOUND ${en}, ${en2} SORT x._key RETURN x._id`,
res: [vertex.B, vertex.D, vertex.E] },
{ q1 :`WITH ${vn} FOR x IN OUTBOUND @start INBOUND @@ec1, @@ec2 SORT x._key RETURN x._id`,
q2 :`WITH ${vn} FOR x IN OUTBOUND @start INBOUND ${en}, ${en2} SORT x._key RETURN x._id`,
res: [vertex.C, vertex.D] },
{ q1 :`WITH ${vn} FOR x IN OUTBOUND @start @@ec1, INBOUND @@ec2 SORT x._key RETURN x._id`,
q2 :`WITH ${vn} FOR x IN OUTBOUND @start ${en}, INBOUND ${en2} SORT x._key RETURN x._id`,
res: [vertex.B, vertex.E] },
{ q1 :`WITH ${vn} FOR x IN INBOUND @start @@ec1, OUTBOUND @@ec2 SORT x._key RETURN x._id`,
q2 :`WITH ${vn} FOR x IN INBOUND @start ${en}, OUTBOUND ${en2} SORT x._key RETURN x._id`,
res: [vertex.C, vertex.D] },
{ q1 :`WITH ${vn} FOR x IN INBOUND @start OUTBOUND @@ec1, @@ec2 SORT x._key RETURN x._id`,
q2 :`WITH ${vn} FOR x IN INBOUND @start OUTBOUND ${en}, ${en2} SORT x._key RETURN x._id`,
res: [vertex.B, vertex.E] },
];
var bindVars = {
"@ec1": en,
"@ec2": en2,
start: vertex.A
};
var bindVars2 = {
start: vertex.A
};
queries.forEach(function (item) {
var result = db._query(item.q1, bindVars).toArray();
assertEqual(result, item.res);
result = db._query(item.q2, bindVars2).toArray();
assertEqual(result, item.res);
});
},
testDuplicationCollections: function () {
var queries = [
[ `WITH ${vn} FOR x IN ANY @start @@ec, INBOUND @@ec RETURN x`, false ],
[ `WITH ${vn} FOR x IN ANY @start @@ec, OUTBOUND @@ec RETURN x`, false ],
[ `WITH ${vn} FOR x IN ANY @start @@ec, ANY @@ec RETURN x`, true ],
[ `WITH ${vn} FOR x IN INBOUND @start @@ec, INBOUND @@ec RETURN x`, true ],
[ `WITH ${vn} FOR x IN INBOUND @start @@ec, OUTBOUND @@ec RETURN x`, false ],
[ `WITH ${vn} FOR x IN INBOUND @start @@ec, ANY @@ec RETURN x`, false ],
[ `WITH ${vn} FOR x IN OUTBOUND @start @@ec, INBOUND @@ec RETURN x`, false ],
[ `WITH ${vn} FOR x IN OUTBOUND @start @@ec, OUTBOUND @@ec RETURN x`, true ],
[ `WITH ${vn} FOR x IN OUTBOUND @start @@ec, ANY @@ec RETURN x`, false ]
];
var bindVars = {
"@ec": en,
start: vertex.A
};
queries.forEach(function (query) {
if (query[1]) {
// should work
db._query(query[0], bindVars).toArray();
} else {
// should fail
try {
db._query(query[0], bindVars).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_ARANGO_COLLECTION_TYPE_INVALID.code);
}
}
});
}
};
}
function subQuerySuite () {
const gn = "UnitTestGraph";
return {
/**
* Graph under Test:
*
* A -> B -> [B1, B2, B3, B4, B5]
* \> C -> [C1, C2, C3, C4, C5]
* \> D -> [D1, D2, D3, D4, D5]
*
*/
setUpAll: function () {
cleanup();
vc = db._create(vn, {numberOfShards: 4});
ec = db._createEdgeCollection(en, {numberOfShards: 4});
try {
gm._drop(gn);
} catch (e) {
// It is expected that this graph does not exist.
}
gm._create(gn, [gm._relation(en, vn, vn)]);
vertex.A = vc.save({_key: "A"})._id;
vertex.B = vc.save({_key: "B"})._id;
vertex.C = vc.save({_key: "C"})._id;
vertex.D = vc.save({_key: "D"})._id;
vertex.B1 = vc.save({_key: "B1", value: 1})._id;
vertex.B2 = vc.save({_key: "B2", value: 2})._id;
vertex.B3 = vc.save({_key: "B3", value: 3})._id;
vertex.B4 = vc.save({_key: "B4", value: 4})._id;
vertex.B5 = vc.save({_key: "B5", value: 5})._id;
vertex.C1 = vc.save({_key: "C1", value: 1})._id;
vertex.C2 = vc.save({_key: "C2", value: 2})._id;
vertex.C3 = vc.save({_key: "C3", value: 3})._id;
vertex.C4 = vc.save({_key: "C4", value: 4})._id;
vertex.C5 = vc.save({_key: "C5", value: 5})._id;
vertex.D1 = vc.save({_key: "D1", value: 1})._id;
vertex.D2 = vc.save({_key: "D2", value: 2})._id;
vertex.D3 = vc.save({_key: "D3", value: 3})._id;
vertex.D4 = vc.save({_key: "D4", value: 4})._id;
vertex.D5 = vc.save({_key: "D5", value: 5})._id;
ec.save(vertex.A, vertex.B, {});
ec.save(vertex.A, vertex.C, {});
ec.save(vertex.A, vertex.D, {});
ec.save(vertex.B, vertex.B1, {});
ec.save(vertex.B, vertex.B2, {});
ec.save(vertex.B, vertex.B3, {});
ec.save(vertex.B, vertex.B4, {});
ec.save(vertex.B, vertex.B5, {});
ec.save(vertex.C, vertex.C1, {});
ec.save(vertex.C, vertex.C2, {});
ec.save(vertex.C, vertex.C3, {});
ec.save(vertex.C, vertex.C4, {});
ec.save(vertex.C, vertex.C5, {});
ec.save(vertex.D, vertex.D1, {});
ec.save(vertex.D, vertex.D2, {});
ec.save(vertex.D, vertex.D3, {});
ec.save(vertex.D, vertex.D4, {});
ec.save(vertex.D, vertex.D5, {});
},
tearDownAll: function () {
try {
gm._drop(gn);
} catch (e) {
// Just in case the test leaves an invalid state.
}
cleanup();
},
// The test is that the traversal in subquery has more then LIMIT many
// results. In case of a bug the cursor of the traversal is reused for the second
// iteration as well and does not reset.
testSubQueryFixedStart: function () {
var q = `WITH ${vn}
FOR v IN OUTBOUND "${vertex.A}" ${en}
SORT v._key
LET sub = (
FOR t IN OUTBOUND "${vertex.B}" ${en}
SORT t.value
LIMIT 3
RETURN t
)
RETURN sub`;
var actual = db._query(q).toArray();
assertEqual(actual.length, 3); // On the top level we find 3 results
for (var i = 0; i < actual.length; ++i) {
var current = actual[i];
assertEqual(current.length, 3); // Check for limit
// All should be connected to B!
assertEqual(current[0]._id, vertex.B1);
assertEqual(current[1]._id, vertex.B2);
assertEqual(current[2]._id, vertex.B3);
}
},
// The test is that the traversal in subquery has more then LIMIT many
// results. In case of a bug the cursor of the traversal is reused for the second
// iteration as well and does not reset.
testSubQueryDynamicStart: function () {
var q = `WITH ${vn}
FOR v IN OUTBOUND "${vertex.A}" ${en}
SORT v._key
LET sub = (
FOR t IN OUTBOUND v ${en}
SORT t.value
LIMIT 3
RETURN t
)
RETURN sub`;
var actual = db._query(q).toArray();
assertEqual(actual.length, 3); // On the top level we find 3 results
for (var i = 0; i < actual.length; ++i) {
assertEqual(actual[i].length, 3); // Check for limit
}
var current = actual[0];
// All should be connected to B!
assertEqual(current[0]._id, vertex.B1);
assertEqual(current[1]._id, vertex.B2);
assertEqual(current[2]._id, vertex.B3);
current = actual[1];
// All should be connected to C!
assertEqual(current[0]._id, vertex.C1);
assertEqual(current[1]._id, vertex.C2);
assertEqual(current[2]._id, vertex.C3);
current = actual[2];
// All should be connected to D!
assertEqual(current[0]._id, vertex.D1);
assertEqual(current[1]._id, vertex.D2);
assertEqual(current[2]._id, vertex.D3);
},
};
}
function optionsSuite() {
const gn = "UnitTestGraph";
return {
setUp: function () {
cleanup();
vc = db._create(vn, {numberOfShards: 4});
ec = db._createEdgeCollection(en, {numberOfShards: 4});
try {
gm._drop(gn);
} catch (e) {
// It is expected that this graph does not exist.
}
gm._create(gn, [gm._relation(en, vn, vn)]);
},
tearDown: function () {
try {
gm._drop(gn);
} catch (e) {
// It is expected that this graph does not exist.
}
cleanup();
},
testEdgeUniquenessPath: function () {
var start = vc.save({_key: "s"})._id;
var a = vc.save({_key: "a"})._id;
var b = vc.save({_key: "b"})._id;
var c = vc.save({_key: "c"})._id;
var d = vc.save({_key: "d"})._id;
ec.save(start, a, {});
ec.save(a, b, {});
ec.save(b, c, {});
ec.save(c, a, {});
ec.save(a, d, {});
var cursor = db._query(
`WITH ${vn}
FOR v IN 1..10 OUTBOUND "${start}" ${en} OPTIONS {uniqueEdges: "path"}
SORT v._key
RETURN v`).toArray();
// We expect to get s->a->b->c->a->d
// and s->a->d
// But not s->a->b->c->a->b->*
// And not to continue at a again
assertEqual(cursor.length, 6);
assertEqual(cursor[0]._id, a); // We start with a
assertEqual(cursor[1]._id, a); // We somehow return to a
assertEqual(cursor[2]._id, b); // We once find b
assertEqual(cursor[3]._id, c); // And once c
assertEqual(cursor[4]._id, d); // We once find d on short path
assertEqual(cursor[5]._id, d); // And find d on long path
},
testEdgeUniquenessGlobal: function () {
var start = vc.save({_key: "s"})._id;
try {
var cursor = db._query(
`WITH ${vn}
FOR v IN 1..10 OUTBOUND "${start}" ${en} OPTIONS {uniqueEdges: "global"}
SORT v._key
RETURN v`).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_BAD_PARAMETER.code, "We expect a bad parameter");
}
},
testEdgeUniquenessNone: function () {
var start = vc.save({_key: "s"})._id;
var a = vc.save({_key: "a"})._id;
var b = vc.save({_key: "b"})._id;
var c = vc.save({_key: "c"})._id;
var d = vc.save({_key: "d"})._id;
ec.save(start, a, {});
ec.save(a, b, {});
ec.save(b, c, {});
ec.save(c, a, {});
ec.save(a, d, {});
var cursor = db._query(
`WITH ${vn}
FOR v IN 1..10 OUTBOUND "${start}" ${en} OPTIONS {uniqueEdges: "none"}
SORT v._key
RETURN v`).toArray();
// We expect to get s->a->d
// We expect to get s->a->b->c->a->d
// We expect to get s->a->b->c->a->b->c->a->d
// We expect to get s->a->b->c->a->b->c->a->b->c->a
assertEqual(cursor.length, 13);
assertEqual(cursor[0]._id, a); // We start with a
assertEqual(cursor[1]._id, a); // We somehow return to a
assertEqual(cursor[2]._id, a); // We somehow return to a again
assertEqual(cursor[3]._id, a); // We somehow return to a again
assertEqual(cursor[4]._id, b); // We once find b
assertEqual(cursor[5]._id, b); // We find b again
assertEqual(cursor[6]._id, b); // And b again
assertEqual(cursor[7]._id, c); // And once c
assertEqual(cursor[8]._id, c); // We find c again
assertEqual(cursor[9]._id, c); // And c again
assertEqual(cursor[10]._id, d); // Short Path d
assertEqual(cursor[11]._id, d); // One Loop d
assertEqual(cursor[12]._id, d); // Second Loop d
},
testVertexUniquenessNone: function () {
var start = vc.save({_key: "s"})._id;
var a = vc.save({_key: "a"})._id;
var b = vc.save({_key: "b"})._id;
var c = vc.save({_key: "c"})._id;
var d = vc.save({_key: "d"})._id;
ec.save(start, a, {});
ec.save(a, b, {});
ec.save(b, c, {});
ec.save(c, a, {});
ec.save(a, d, {});
var cursor = db._query(
`WITH ${vn}
FOR v IN 1..10 OUTBOUND "${start}" ${en} OPTIONS {uniqueVertices: "none"}
SORT v._key
RETURN v`).toArray();
// We expect to get s->a->b->c->a->d
// and s->a->d
// But not s->a->b->c->a->b->*
// And not to continue at a again
// Default edge Uniqueness is path
assertEqual(cursor.length, 6);
assertEqual(cursor[0]._id, a); // We start with a
assertEqual(cursor[1]._id, a); // We somehow return to a
assertEqual(cursor[2]._id, b); // We once find b
assertEqual(cursor[3]._id, c); // And once c
assertEqual(cursor[4]._id, d); // We once find d on short path
assertEqual(cursor[5]._id, d); // And find d on long path
},
testVertexUniquenessGlobalDepthFirst: function () {
var start = vc.save({_key: "s"})._id;
try {
var cursor = db._query(
`WITH ${vn}
FOR v IN 1..10 OUTBOUND "${start}" ${en} OPTIONS {uniqueVertices: "global"}
SORT v._key
RETURN v`).toArray();
fail();
} catch (e) {
assertEqual(e.errorNum, errors.ERROR_BAD_PARAMETER.code, "We expect a bad parameter");
}
},
testVertexUniquenessPath: function () {
var start = vc.save({_key: "s"})._id;
var a = vc.save({_key: "a"})._id;
var b = vc.save({_key: "b"})._id;
var c = vc.save({_key: "c"})._id;
ec.save(start, a, {});
ec.save(a, b, {});
ec.save(a, a, {});
ec.save(b, c, {});
ec.save(b, a, {});
ec.save(c, a, {});
var cursor = db._query(
`WITH ${vn}
FOR v IN 1..10 OUTBOUND "${start}" ${en} OPTIONS {uniqueVertices: "path"}
SORT v._key
RETURN v`).toArray();
// We expect to get s->a->b->c
// But not s->a->a*
// But not s->a->b->a*
// But not s->a->b->c->a*
assertEqual(cursor.length, 3);
assertEqual(cursor[0]._id, a); // We start with a
assertEqual(cursor[1]._id, b); // We find a->b
assertEqual(cursor[2]._id, c); // We find a->b->c
},
};
}
function optimizeQuantifierSuite() {
/********************************
* Graph under test
* C <-+ +-> F
* | |
* +-B<---A--->E-+
* | |
* D <-+ +-> G
*
*
* Left side has foo: true , right foo: false
* Top has bar: true, bottom bar: false.
* A,B,E has bar: true
* A has foo: true
* Edges have foo and bar like their target
*******************************/
const gn = "UnitTestGraph";
let vertices = {};
let edges = {};
return {
setUpAll: function () {
cleanup();
vc = db._create(vn, {numberOfShards: 4});
ec = db._createEdgeCollection(en, {numberOfShards: 4});
vertices.A = vc.save({_key: "A", foo: true, bar: true})._id;
vertices.B = vc.save({_key: "B", foo: true, bar: true})._id;
vertices.C = vc.save({_key: "C", foo: true, bar: true})._id;
vertices.D = vc.save({_key: "D", foo: true, bar: false})._id;
vertices.E = vc.save({_key: "E", foo: false, bar: true})._id;
vertices.F = vc.save({_key: "F", foo: false, bar: true})._id;
vertices.G = vc.save({_key: "G", foo: false, bar: false})._id;
edges.AB = ec.save({_key: "AB", _from: vertices.A, _to: vertices.B, foo: true, bar: true})._id;
edges.BC = ec.save({_key: "BC", _from: vertices.B, _to: vertices.C, foo: true, bar: true})._id;
edges.BD = ec.save({_key: "BD", _from: vertices.B, _to: vertices.D, foo: true, bar: false})._id;
edges.AE = ec.save({_key: "AE", _from: vertices.A, _to: vertices.E, foo: false, bar: true})._id;
edges.EF = ec.save({_key: "EF", _from: vertices.E, _to: vertices.F, foo: false, bar: true})._id;
edges.EG = ec.save({_key: "EG", _from: vertices.E, _to: vertices.G, foo: false, bar: false})._id;
try {
gm._drop(gn);
} catch (e) {
// It is expected that this graph does not exist.
}
gm._create(gn, [gm._relation(en, vn, vn)]);
},
tearDownAll: function () {
try {
gm._drop(gn);
} catch (e) {
// It is expected that this graph does not exist.
}
cleanup();
},
testAllVerticesSingle: function () {
let query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.vertices[*].foo ALL == true
SORT v._key
RETURN v._id
`;
let cursor = db._query(query);
assertEqual(cursor.count(), 4);
let result = cursor.toArray();
assertEqual(result, [vertices.A, vertices.B, vertices.C, vertices.D]);
let stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 9);
} else {
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 9);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 23);
}
assertEqual(stats.filtered, 1);
query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.vertices[*].foo ALL == false
SORT v._key
RETURN v._id
`;
cursor = db._query(query);
assertEqual(cursor.count(), 0);
stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
assertEqual(stats.scannedIndex, 1);
assertEqual(stats.filtered, 1);
},
testAllEdgesSingle: function () {
let query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.edges[*].foo ALL == true
SORT v._key
RETURN v._id
`;
let cursor = db._query(query);
assertEqual(cursor.count(), 3);
let result = cursor.toArray();
assertEqual(result, [vertices.B, vertices.C, vertices.D]);
let stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 7);
} else {
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 8);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 18);
}
assertEqual(stats.filtered, 2);
query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.edges[*].foo ALL == false
SORT v._key
RETURN v._id
`;
cursor = db._query(query);
assertEqual(cursor.count(), 3);
result = cursor.toArray();
assertEqual(result, [vertices.E, vertices.F, vertices.G]);
stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 7);
} else {
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 8);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 18);
}
assertEqual(stats.filtered, 2);
},
testNoneVerticesSingle: function () {
let query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.vertices[*].foo NONE == false
SORT v._key
RETURN v._id
`;
let cursor = db._query(query);
assertEqual(cursor.count(), 4);
let result = cursor.toArray();
assertEqual(result, [vertices.A, vertices.B, vertices.C, vertices.D]);
let stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 9);
} else {
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 9);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 23);
}
assertEqual(stats.filtered, 1);
query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.vertices[*].foo NONE == true
SORT v._key
RETURN v._id
`;
cursor = db._query(query);
assertEqual(cursor.count(), 0);
stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
assertEqual(stats.scannedIndex, 1);
assertEqual(stats.filtered, 1);
},
testNoneEdgesSingle: function () {
let query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.edges[*].foo NONE == false
SORT v._key
RETURN v._id
`;
let cursor = db._query(query);
assertEqual(cursor.count(), 4);
let result = cursor.toArray();
assertEqual(result, [vertices.A, vertices.B, vertices.C, vertices.D]);
let stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 7);
} else {
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 8);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 18);
}
assertEqual(stats.filtered, 1);
query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.edges[*].foo NONE == true
SORT v._key
RETURN v._id
`;
cursor = db._query(query);
assertEqual(cursor.count(), 4);
result = cursor.toArray();
assertEqual(result, [vertices.A, vertices.E, vertices.F, vertices.G]);
stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 7);
} else {
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 8);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 18);
}
assertEqual(stats.filtered, 1);
},
testAllVerticesMultiple: function () {
let query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.vertices[*].foo ALL == true
FILTER p.vertices[*].bar ALL == true
SORT v._key
RETURN v._id
`;
let cursor = db._query(query);
assertEqual(cursor.count(), 3);
let result = cursor.toArray();
assertEqual(result, [vertices.A, vertices.B, vertices.C]);
let stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 9);
} else {
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 9);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 17);
}
assertEqual(stats.filtered, 2);
},
testAllEdgesMultiple: function () {
let query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.edges[*].foo ALL == true
FILTER p.edges[*].bar ALL == true
SORT v._key
RETURN v._id
`;
let cursor = db._query(query);
assertEqual(cursor.count(), 2);
let result = cursor.toArray();
assertEqual(result, [vertices.B, vertices.C]);
let stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 5);
} else {
// With activated traverser-read-cache:
// assertEqual(stats.scannedIndex, 7);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 12);
}
assertEqual(stats.filtered, 3);
},
testAllNoneVerticesMultiple: function () {
let query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.vertices[*].foo ALL == true
FILTER p.vertices[*].bar NONE == false
SORT v._key
RETURN v._id
`;
let cursor = db._query(query);
assertEqual(cursor.count(), 3);
let result = cursor.toArray();
assertEqual(result, [vertices.A, vertices.B, vertices.C]);
let stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 9);
} else {
// With traverser-read-cache
// assertEqual(stats.scannedIndex, 9);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 17);
}
assertEqual(stats.filtered, 2);
},
testAllNoneEdgesMultiple: function () {
let query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.edges[*].foo ALL == true
FILTER p.edges[*].bar NONE == false
SORT v._key
RETURN v._id
`;
let cursor = db._query(query);
assertEqual(cursor.count(), 2);
let result = cursor.toArray();
assertEqual(result, [vertices.B, vertices.C]);
let stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 5);
} else {
// With activated traverser-read-cache:
// assertEqual(stats.scannedIndex, 7);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 12);
}
assertEqual(stats.filtered, 3);
},
testAllVerticesDepth: function () {
let query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.vertices[*].foo ALL == true
FILTER p.vertices[2].bar == false
SORT v._key
RETURN v._id
`;
let cursor = db._query(query);
assertEqual(cursor.count(), 1);
let result = cursor.toArray();
assertEqual(result, [vertices.D]);
let stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 9);
} else {
// With activated traverser-read-cache:
// assertEqual(stats.scannedIndex, 9);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 17);
}
assertEqual(stats.filtered, 4);
},
testAllEdgesAndDepth: function () {
let query = `
FOR v, e, p IN 0..2 OUTBOUND "${vertices.A}" GRAPH "${gn}"
FILTER p.edges[*].foo ALL == true
FILTER p.edges[1].bar == false
SORT v._key
RETURN v._id
`;
let cursor = db._query(query);
assertEqual(cursor.count(), 1);
let result = cursor.toArray();
assertEqual(result, [vertices.D]);
let stats = cursor.getExtra().stats;
assertEqual(stats.scannedFull, 0);
if (isCluster) {
assertEqual(stats.scannedIndex, 5);
} else {
// With activated traverser-read-cache:
// assertEqual(stats.scannedIndex, 7);
// Without traverser-read-cache
assertEqual(stats.scannedIndex, 12);
}
assertEqual(stats.filtered, 4);
}
};
};
function optimizeNonVertexCentricIndexesSuite () {
let explain = function (query, params) {
return AQL_EXPLAIN(query, params, { optimizer: { rules: [ "+all" ] } });
};
let vertices = {};
let edges = {};
return {
setUpAll: () => {
cleanup();
vc = db._create(vn, {numberOfShards: 4});
ec = db._createEdgeCollection(en, {numberOfShards: 4});
vertices.A = vc.save({_key: "A"})._id;
vertices.B = vc.save({_key: "B"})._id;
vertices.C = vc.save({_key: "C"})._id;
vertices.D = vc.save({_key: "D"})._id;
vertices.E = vc.save({_key: "E"})._id;
vertices.F = vc.save({_key: "F"})._id;
vertices.G = vc.save({_key: "G"})._id;
vertices.FOO = vc.save({_key: "FOO"})._id;
vertices.BAR = vc.save({_key: "BAR"})._id;
edges.AB = ec.save({_key: "AB", _from: vertices.A, _to: vertices.B, foo: "A", bar: true})._id;
edges.BC = ec.save({_key: "BC", _from: vertices.B, _to: vertices.C, foo: "B", bar: true})._id;
edges.BD = ec.save({_key: "BD", _from: vertices.B, _to: vertices.D, foo: "C", bar: false})._id;
edges.AE = ec.save({_key: "AE", _from: vertices.A, _to: vertices.E, foo: "D", bar: true})._id;
edges.EF = ec.save({_key: "EF", _from: vertices.E, _to: vertices.F, foo: "E", bar: true})._id;
edges.EG = ec.save({_key: "EG", _from: vertices.E, _to: vertices.G, foo: "F", bar: false})._id;
// Adding these edges to make the estimate for the edge-index extremly bad
let badEdges = [];
for (let j = 0; j < 1000; ++j) {
badEdges.push({_from: vertices.FOO, _to: vertices.BAR, foo: "foo" + j, bar: j});
}
ec.save(badEdges);
},
tearDownAll: cleanup,
tearDown: () => {
// After each test get rid of all superflous indexes.
var idxs = db[en].getIndexes();
for (let i = 2; i < idxs.length; ++i) {
db[en].dropIndex(idxs[i].id);
}
},
testUniqueHashIndex : () => {
var idx = db[en].ensureIndex({type: "hash", fields: ["foo"], unique: true, sparse: false});
// This index is assumed to be better than edge-index, but does not contain _from/_to
let q = `FOR v,e,p IN OUTBOUND "${vertices.A}" ${en}
FILTER p.edges[0].foo == "A"
RETURN v._id`;
let exp = explain(q, {}).plan.nodes.filter(node => {return node.type === "TraversalNode";});
assertEqual(1, exp.length);
// Check if we did use the hash index on level 0
let indexes = exp[0].indexes;
let found = indexes.levels["0"];
assertEqual(1, found.length);
found = found[0];
assertEqual(idx.type, found.type);
assertEqual(idx.fields, found.fields);
let result = db._query(q).toArray();
assertEqual(result[0], vertices.B);
},
testHashIndex : () => {
var idx = db[en].ensureIndex({type: "hash", fields: ["foo"], unique: false, sparse: false});
// This index is assumed to be better than edge-index, but does not contain _from/_to
let q = `FOR v,e,p IN OUTBOUND "${vertices.A}" ${en}
FILTER p.edges[0].foo == "A"
RETURN v._id`;
let exp = explain(q, {}).plan.nodes.filter(node => {return node.type === "TraversalNode";});
assertEqual(1, exp.length);
// Check if we did use the hash index on level 0
let indexes = exp[0].indexes;
let found = indexes.levels["0"];
assertEqual(1, found.length);
found = found[0];
assertEqual(idx.type, found.type);
assertEqual(idx.fields, found.fields);
let result = db._query(q).toArray();
assertEqual(result[0], vertices.B);
},
testSkiplistIndex : () => {
var idx = db[en].ensureIndex({type: "skiplist", fields: ["foo"], unique: false, sparse: false});
// This index is assumed to be better than edge-index, but does not contain _from/_to
let q = `FOR v,e,p IN OUTBOUND "${vertices.A}" ${en}
FILTER p.edges[0].foo == "A"
RETURN v._id`;
let exp = explain(q, {}).plan.nodes.filter(node => {return node.type === "TraversalNode";});
assertEqual(1, exp.length);
// Check if we did use the hash index on level 0
let indexes = exp[0].indexes;
let found = indexes.levels["0"];
assertEqual(1, found.length);
found = found[0];
assertEqual(idx.type, found.type);
assertEqual(idx.fields, found.fields);
let result = db._query(q).toArray();
assertEqual(result[0], vertices.B);
},
testUniqueSkiplistIndex : () => {
var idx = db[en].ensureIndex({type: "skiplist", fields: ["foo"], unique: true, sparse: false});
// This index is assumed to be better than edge-index, but does not contain _from/_to
let q = `FOR v,e,p IN OUTBOUND "${vertices.A}" ${en}
FILTER p.edges[0].foo == "A"
RETURN v._id`;
let exp = explain(q, {}).plan.nodes.filter(node => {return node.type === "TraversalNode";});
assertEqual(1, exp.length);
// Check if we did use the hash index on level 0
let indexes = exp[0].indexes;
let found = indexes.levels["0"];
assertEqual(1, found.length);
found = found[0];
assertEqual(idx.type, found.type);
assertEqual(idx.fields, found.fields);
let result = db._query(q).toArray();
assertEqual(result[0], vertices.B);
},
testAllUniqueHashIndex : () => {
var idx = db[en].ensureIndex({type: "hash", fields: ["foo"], unique: true, sparse: false});
// This index is assumed to be better than edge-index, but does not contain _from/_to
let q = `FOR v,e,p IN OUTBOUND "${vertices.A}" ${en}
FILTER p.edges[*].foo ALL == "A"
RETURN v._id`;
let exp = explain(q, {}).plan.nodes.filter(node => {return node.type === "TraversalNode";});
assertEqual(1, exp.length);
// Check if we did use the hash index on level 0
let indexes = exp[0].indexes;
let found = indexes.base;
assertEqual(1, found.length);
found = found[0];
assertEqual(idx.type, found.type);
assertEqual(idx.fields, found.fields);
let result = db._query(q).toArray();
assertEqual(result[0], vertices.B);
},
testAllHashIndex : () => {
var idx = db[en].ensureIndex({type: "hash", fields: ["foo"], unique: false, sparse: false});
// This index is assumed to be better than edge-index, but does not contain _from/_to
let q = `FOR v,e,p IN OUTBOUND "${vertices.A}" ${en}
FILTER p.edges[*].foo ALL == "A"
RETURN v._id`;
let exp = explain(q, {}).plan.nodes.filter(node => {return node.type === "TraversalNode";});
assertEqual(1, exp.length);
// Check if we did use the hash index on level 0
let indexes = exp[0].indexes;
let found = indexes.base;
assertEqual(1, found.length);
found = found[0];
assertEqual(idx.type, found.type);
assertEqual(idx.fields, found.fields);
let result = db._query(q).toArray();
assertEqual(result[0], vertices.B);
},
testAllSkiplistIndex : () => {
var idx = db[en].ensureIndex({type: "skiplist", fields: ["foo"], unique: false, sparse: false});
// This index is assumed to be better than edge-index, but does not contain _from/_to
let q = `FOR v,e,p IN OUTBOUND "${vertices.A}" ${en}
FILTER p.edges[*].foo ALL == "A"
RETURN v._id`;
let exp = explain(q, {}).plan.nodes.filter(node => {return node.type === "TraversalNode";});
assertEqual(1, exp.length);
// Check if we did use the hash index on level 0
let indexes = exp[0].indexes;
let found = indexes.base;
assertEqual(1, found.length);
found = found[0];
assertEqual(idx.type, found.type);
assertEqual(idx.fields, found.fields);
let result = db._query(q).toArray();
assertEqual(result[0], vertices.B);
},
testAllUniqueSkiplistIndex : () => {
var idx = db[en].ensureIndex({type: "skiplist", fields: ["foo"], unique: true, sparse: false});
// This index is assumed to be better than edge-index, but does not contain _from/_to
let q = `FOR v,e,p IN OUTBOUND "${vertices.A}" ${en}
FILTER p.edges[*].foo ALL == "A"
RETURN v._id`;
let exp = explain(q, {}).plan.nodes.filter(node => {return node.type === "TraversalNode";});
assertEqual(1, exp.length);
// Check if we did use the hash index on level 0
let indexes = exp[0].indexes;
let found = indexes.base;
assertEqual(1, found.length);
found = found[0];
assertEqual(idx.type, found.type);
assertEqual(idx.fields, found.fields);
let result = db._query(q).toArray();
assertEqual(result[0], vertices.B);
},
testAllSkiplistIncompleteIndex : () => {
var idx = db[en].ensureIndex({type: "skiplist", fields: ["foo", "unknown", "_from"], unique: false, sparse: false});
// This index is assumed to be better than edge-index, it does contain _from, but cannot use it.
let q = `FOR v,e,p IN OUTBOUND "${vertices.A}" ${en}
FILTER p.edges[*].foo ALL == "A"
RETURN v._id`;
let exp = explain(q, {}).plan.nodes.filter(node => {return node.type === "TraversalNode";});
assertEqual(1, exp.length);
// Check if we did use the hash index on level 0
let indexes = exp[0].indexes;
let found = indexes.base;
assertEqual(1, found.length);
found = found[0];
assertEqual(idx.type, found.type);
assertEqual(idx.fields, found.fields);
let result = db._query(q).toArray();
assertEqual(result[0], vertices.B);
},
};
};
jsunity.run(nestedSuite);
jsunity.run(namedGraphSuite);
jsunity.run(multiCollectionGraphSuite);
jsunity.run(multiEdgeCollectionGraphSuite);
jsunity.run(potentialErrorsSuite);
jsunity.run(complexInternaSuite);
jsunity.run(optimizeInSuite);
jsunity.run(complexFilteringSuite);
jsunity.run(brokenGraphSuite);
jsunity.run(multiEdgeDirectionSuite);
jsunity.run(subQuerySuite);
jsunity.run(optionsSuite);
jsunity.run(optimizeQuantifierSuite);
if (!isCluster) {
jsunity.run(optimizeNonVertexCentricIndexesSuite);
}
return jsunity.done();