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arangodb/tests/js/server/aql/aql-optimizer-edge-index.js

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/* jshint globalstrict:false, strict:false, maxlen: 500 */
/* global assertEqual, assertTrue, assertFalse, AQL_EXECUTE, AQL_EXPLAIN */
// //////////////////////////////////////////////////////////////////////////////
// / @brief tests for index usage
// /
// / @file
// /
// / DISCLAIMER
// /
// / Copyright 2010-2012 triagens 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 triAGENS GmbH, Cologne, Germany
// /
// / @author Jan Steemann
// / @author Copyright 2012, triAGENS GmbH, Cologne, Germany
// //////////////////////////////////////////////////////////////////////////////
var jsunity = require('jsunity');
var db = require('@arangodb').db;
var internal = require('internal');
// //////////////////////////////////////////////////////////////////////////////
// / @brief test suite
// //////////////////////////////////////////////////////////////////////////////
function optimizerEdgeIndexTestSuite () {
var e;
return {
setUp: function () {
db._drop('UnitTestsCollection');
db._drop('UnitTestsEdgeCollection');
db._create('UnitTestsCollection');
e = db._createEdgeCollection('UnitTestsEdgeCollection');
for (var i = 0; i < 2000; i += 100) {
var j;
for (j = 0; j < i; ++j) {
e.save('UnitTestsCollection/from' + i, 'UnitTestsCollection/nono', { value: i + '-' + j });
}
for (j = 0; j < i; ++j) {
e.save('UnitTestsCollection/nono', 'UnitTestsCollection/to' + i, { value: i + '-' + j });
}
}
internal.waitForEstimatorSync();
},
tearDown: function () {
db._drop('UnitTestsCollection');
db._drop('UnitTestsEdgeCollection');
},
// //////////////////////////////////////////////////////////////////////////////
// / @brief test continuous index scan
// //////////////////////////////////////////////////////////////////////////////
testFindContinuous: function () {
for (var i = 0; i < 20; ++i) {
var query = 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/nono" && i._to == "UnitTestsCollection/to' + i + '" LIMIT 1 RETURN i._key';
var results = AQL_EXECUTE(query);
assertEqual(0, results.json.length, query);
}
},
// //////////////////////////////////////////////////////////////////////////////
// / @brief test index usage
// //////////////////////////////////////////////////////////////////////////////
testFindNone: function () {
var queries = [
'FOR i IN ' + e.name() + ' FILTER i._from == "" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from0" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from1" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from2" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._from == "/" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._from == "--foobar--" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._to == "" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/from0" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/from1" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/from2" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._to == "/" RETURN i._key',
'FOR i IN ' + e.name() + ' FILTER i._to == "--foobar--" RETURN i._key'
];
queries.forEach(function (query) {
var results = AQL_EXECUTE(query);
assertEqual([ ], results.json, query);
assertEqual(0, results.stats.scannedFull);
});
},
// //////////////////////////////////////////////////////////////////////////////
// / @brief test index usage
// //////////////////////////////////////////////////////////////////////////////
testFindFrom: function () {
var queries = [
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from100" RETURN i._key', 100 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from200" RETURN i._key', 200 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from1000" RETURN i._key', 1000 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from1100" RETURN i._key', 1100 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from1900" RETURN i._key', 1900 ]
];
queries.forEach(function (query) {
var results = AQL_EXECUTE(query[0]);
assertEqual(query[1], results.json.length, query[0]);
assertEqual(0, results.stats.scannedFull);
assertEqual(query[1], results.stats.scannedIndex);
});
},
testFindFromNoDocuments: function () {
var queries = [
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from100" RETURN 1', 100 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from200" RETURN 1', 200 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from1000" RETURN 1', 1000 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from1100" RETURN 1', 1100 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from1900" RETURN 1', 1900 ]
];
queries.forEach(function (query) {
var results = AQL_EXECUTE(query[0]);
assertEqual(query[1], results.json.length, query[0]);
assertEqual(0, results.stats.scannedFull);
assertEqual(query[1], results.stats.scannedIndex);
let nodes = AQL_EXPLAIN(query[0]).plan.nodes.filter(function(n) { return n.type === 'IndexNode'; });
assertEqual(1, nodes.length);
assertFalse(nodes[0].producesResult);
});
},
// //////////////////////////////////////////////////////////////////////////////
// / @brief test index usage
// //////////////////////////////////////////////////////////////////////////////
testFindTo: function () {
var queries = [
[ 'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/to100" RETURN i._key', 100 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/to200" RETURN i._key', 200 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/to1000" RETURN i._key', 1000 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/to1100" RETURN i._key', 1100 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/to1900" RETURN i._key', 1900 ]
];
queries.forEach(function (query) {
var results = AQL_EXECUTE(query[0]);
assertEqual(query[1], results.json.length, query[0]);
assertEqual(0, results.stats.scannedFull);
assertEqual(query[1], results.stats.scannedIndex);
});
},
testFindToNoDocuments: function () {
var queries = [
[ 'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/to100" RETURN 1', 100 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/to200" RETURN 1', 200 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/to1000" RETURN 1', 1000 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/to1100" RETURN 1', 1100 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._to == "UnitTestsCollection/to1900" RETURN 1', 1900 ]
];
queries.forEach(function (query) {
var results = AQL_EXECUTE(query[0]);
assertEqual(query[1], results.json.length, query[0]);
assertEqual(0, results.stats.scannedFull);
assertEqual(query[1], results.stats.scannedIndex);
let nodes = AQL_EXPLAIN(query[0]).plan.nodes.filter(function(n) { return n.type === 'IndexNode'; });
assertEqual(1, nodes.length);
assertFalse(nodes[0].producesResult);
});
},
// //////////////////////////////////////////////////////////////////////////////
// / @brief test index usage
// //////////////////////////////////////////////////////////////////////////////
testFindFromTo: function () {
var queries = [
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from100" && i._to == "UnitTestsCollection/nono" RETURN i._key', 100 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from200" && i._to == "UnitTestsCollection/nono" RETURN i._key', 200 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from1000" && i._to == "UnitTestsCollection/nono" RETURN i._key', 1000 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from1100" && i._to == "UnitTestsCollection/nono" RETURN i._key', 1100 ],
[ 'FOR i IN ' + e.name() + ' FILTER i._from == "UnitTestsCollection/from1900" && i._to == "UnitTestsCollection/nono" RETURN i._key', 1900 ]
];
queries.forEach(function (query) {
var results = AQL_EXECUTE(query[0]);
assertEqual(query[1], results.json.length, query[0]);
assertEqual(0, results.stats.scannedFull);
});
},
testLookupOnFromSortOnToAttribute: function () {
let query = "FOR doc IN " + e.name() + " FILTER doc._from == 'UnitTestsCollection/nono' COLLECT to = doc._to RETURN to";
let results = AQL_EXECUTE(query);
assertEqual(19, results.json.length);
let node = AQL_EXPLAIN(query).plan.nodes.filter(function(n) { return n.type === 'SortNode'; });
assertEqual(1, node.length);
node = node[0];
assertEqual(1, node.elements.length);
assertEqual("to", node.elements[0].inVariable.name);
assertTrue(node.elements[0].ascending);
},
testLookupOnFromSortOnFromAttribute: function () {
let query = "FOR doc IN " + e.name() + " FILTER doc._from == 'UnitTestsCollection/nono' COLLECT from = doc._from RETURN from";
let results = AQL_EXECUTE(query);
assertEqual(1, results.json.length);
let node = AQL_EXPLAIN(query).plan.nodes.filter(function(n) { return n.type === 'SortNode'; });
assertEqual(0, node.length);
},
testLookupOnFromSortOnFromToAttribute: function () {
let query = "FOR doc IN " + e.name() + " FILTER doc._from == 'UnitTestsCollection/nono' COLLECT from = doc._from, to = doc._to RETURN { from, to }";
let results = AQL_EXECUTE(query);
assertEqual(19, results.json.length);
let node = AQL_EXPLAIN(query).plan.nodes.filter(function(n) { return n.type === 'SortNode'; });
assertEqual(1, node.length);
node = node[0];
assertEqual(2, node.elements.length);
assertEqual("from", node.elements[0].inVariable.name);
assertEqual("to", node.elements[1].inVariable.name);
assertTrue(node.elements[0].ascending);
assertTrue(node.elements[1].ascending);
},
testLookupOnFromSortOnToFromAttribute: function () {
let query = "FOR doc IN " + e.name() + " FILTER doc._from == 'UnitTestsCollection/nono' COLLECT to = doc._to, from = doc._from RETURN { from, to }";
let results = AQL_EXECUTE(query);
assertEqual(19, results.json.length);
let node = AQL_EXPLAIN(query).plan.nodes.filter(function(n) { return n.type === 'SortNode'; });
assertEqual(1, node.length);
node = node[0];
assertEqual(2, node.elements.length);
assertEqual("to", node.elements[0].inVariable.name);
assertEqual("from", node.elements[1].inVariable.name);
assertTrue(node.elements[0].ascending);
assertTrue(node.elements[1].ascending);
},
testLookupOnToSortOnFromAttribute: function () {
let query = "FOR doc IN " + e.name() + " FILTER doc._to == 'UnitTestsCollection/nono' COLLECT from = doc._from RETURN from";
let results = AQL_EXECUTE(query);
assertEqual(19, results.json.length);
let node = AQL_EXPLAIN(query).plan.nodes.filter(function(n) { return n.type === 'SortNode'; });
assertEqual(1, node.length);
node = node[0];
assertEqual(1, node.elements.length);
assertEqual("from", node.elements[0].inVariable.name);
assertTrue(node.elements[0].ascending);
},
testLookupOnToSortOnToAttribute: function () {
let query = "FOR doc IN " + e.name() + " FILTER doc._to == 'UnitTestsCollection/nono' COLLECT to = doc._to RETURN to";
let results = AQL_EXECUTE(query);
assertEqual(1, results.json.length);
let node = AQL_EXPLAIN(query).plan.nodes.filter(function(n) { return n.type === 'SortNode'; });
assertEqual(0, node.length);
},
testLookupOnToSortOnToFromAttribute: function () {
let query = "FOR doc IN " + e.name() + " FILTER doc._to == 'UnitTestsCollection/nono' COLLECT to = doc._to, from = doc._from RETURN { from, to }";
let results = AQL_EXECUTE(query);
assertEqual(19, results.json.length);
let node = AQL_EXPLAIN(query).plan.nodes.filter(function(n) { return n.type === 'SortNode'; });
assertEqual(1, node.length);
node = node[0];
assertEqual(2, node.elements.length);
assertEqual("to", node.elements[0].inVariable.name);
assertEqual("from", node.elements[1].inVariable.name);
assertTrue(node.elements[0].ascending);
assertTrue(node.elements[1].ascending);
},
testLookupOnToSortOnFromToAttribute: function () {
let query = "FOR doc IN " + e.name() + " FILTER doc._to == 'UnitTestsCollection/nono' COLLECT from = doc._from, to = doc._to RETURN { from, to }";
let results = AQL_EXECUTE(query);
assertEqual(19, results.json.length);
let node = AQL_EXPLAIN(query).plan.nodes.filter(function(n) { return n.type === 'SortNode'; });
assertEqual(1, node.length);
node = node[0];
assertEqual(2, node.elements.length);
assertEqual("from", node.elements[0].inVariable.name);
assertEqual("to", node.elements[1].inVariable.name);
assertTrue(node.elements[0].ascending);
assertTrue(node.elements[1].ascending);
}
};
}
jsunity.run(optimizerEdgeIndexTestSuite);
return jsunity.done();
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