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arangodb/js/server/tests/aql/aql-subquery.js

330 lines
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JavaScript

/*jshint globalstrict:false, strict:false, maxlen: 500 */
/*global assertEqual, AQL_EXPLAIN */
////////////////////////////////////////////////////////////////////////////////
/// @brief tests for Ahuacatl, subqueries
///
/// @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 helper = require("@arangodb/aql-helper");
var getQueryResults = helper.getQueryResults;
var findExecutionNodes = helper.findExecutionNodes;
////////////////////////////////////////////////////////////////////////////////
/// @brief test suite
////////////////////////////////////////////////////////////////////////////////
function ahuacatlSubqueryTestSuite () {
return {
////////////////////////////////////////////////////////////////////////////////
/// @brief set up
////////////////////////////////////////////////////////////////////////////////
setUp : function () {
},
////////////////////////////////////////////////////////////////////////////////
/// @brief tear down
////////////////////////////////////////////////////////////////////////////////
tearDown : function () {
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery evaluation
////////////////////////////////////////////////////////////////////////////////
testSubqueryReference1 : function () {
var expected = [ [ [ 1 ], [ 1 ] ] ];
var actual = getQueryResults("LET a = (RETURN 1) LET b = a RETURN [ a, b ]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery evaluation
////////////////////////////////////////////////////////////////////////////////
testSubqueryReference2 : function () {
var expected = [ [ [ 1 ], [ 1 ], [ 1 ] ] ];
var actual = getQueryResults("LET a = (RETURN 1) LET b = a LET c = b RETURN [ a, b, c ]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery evaluation
////////////////////////////////////////////////////////////////////////////////
testSubqueryReference3 : function () {
var expected = [ [ [ 1 ], [ 1 ], [ 1 ] ] ];
var actual = getQueryResults("LET a = (RETURN 1) LET b = a LET c = a RETURN [ a, b, c ]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery evaluation
////////////////////////////////////////////////////////////////////////////////
testSubqueryReferences1 : function () {
var expected = [ [ 1 ] ];
var actual = getQueryResults("LET a = true ? (RETURN 1) : (RETURN 0) RETURN a");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery evaluation
////////////////////////////////////////////////////////////////////////////////
testSubqueryReferences2 : function () {
var expected = [ [ 1 ] ];
var actual = getQueryResults("LET a = true ? (RETURN 1) : (RETURN 0) LET b = a RETURN b");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery evaluation
////////////////////////////////////////////////////////////////////////////////
testSubqueryDependent1 : function () {
var expected = [ 2, 4, 6 ];
var actual = getQueryResults("FOR i IN [ 1, 2, 3 ] LET s = (FOR j IN [ 1, 2, 3 ] RETURN i * 2) RETURN s[i - 1]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery evaluation
////////////////////////////////////////////////////////////////////////////////
testSubqueryDependent2 : function () {
var expected = [ 2, 4, 6 ];
var actual = getQueryResults("FOR i IN [ 1, 2, 3 ] LET t = (FOR k IN [ 1, 2, 3 ] RETURN k) LET s = (FOR j IN [ 1, 2, 3 ] RETURN t[i - 1] * 2) RETURN s[i - 1]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery evaluation
////////////////////////////////////////////////////////////////////////////////
testSubqueryDependent3 : function () {
var expected = [ 4, 5, 6, 8, 10, 12, 12, 15, 18 ];
var actual = getQueryResults("FOR i IN [ 1, 2, 3 ] FOR j IN [ 4, 5, 6 ] LET s = (FOR k IN [ 1 ] RETURN i * j) RETURN s[0]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery optimisation
////////////////////////////////////////////////////////////////////////////////
testSubqueryIndependent1 : function () {
var expected = [ 9, 8, 7 ];
var actual = getQueryResults("FOR i IN [ 1, 2, 3 ] LET s = (FOR j IN [ 9, 8, 7 ] RETURN j) RETURN s[i - 1]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery optimisation
////////////////////////////////////////////////////////////////////////////////
testSubqueryIndependent2 : function () {
var expected = [ [ 9, 8, 7 ] ];
var actual = getQueryResults("LET s = (FOR j IN [ 9, 8, 7 ] RETURN j) RETURN s");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery optimisation
////////////////////////////////////////////////////////////////////////////////
testSubqueryIndependent3 : function () {
var expected = [ [ 25 ], [ 25 ], [ 25 ], [ 25 ], [ 25 ], [ 25 ], [ 25 ], [ 25 ], [ 25 ] ];
var actual = getQueryResults("FOR i IN [ 1, 2, 3 ] FOR j IN [ 1, 2, 3 ] LET s = (FOR k IN [ 25 ] RETURN k) RETURN s");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery optimisation
////////////////////////////////////////////////////////////////////////////////
testSubqueryIndependent4 : function () {
var expected = [ [ 2, 4, 6 ] ];
var actual = getQueryResults("LET a = (FOR i IN [ 1, 2, 3 ] LET s = (FOR j IN [ 1, 2 ] RETURN j) RETURN i * s[1]) RETURN a");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery optimisation
////////////////////////////////////////////////////////////////////////////////
testSubqueryOutVariableName : function () {
var XPResult = AQL_EXPLAIN("FOR u IN _users LET theLetVariable = (FOR j IN _users RETURN j) RETURN theLetVariable");
var SubqueryNode = findExecutionNodes(XPResult, "SubqueryNode")[0];
assertEqual(SubqueryNode.outVariable.name, "theLetVariable");
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery as function parameter
////////////////////////////////////////////////////////////////////////////////
testSubqueryAsFunctionParameter1: function () {
var expected = [ [ 1, 2, 3 ] ];
var actual = getQueryResults("RETURN PASSTHRU(FOR i IN [ 1, 2, 3 ] RETURN i)");
assertEqual(expected, actual);
actual = getQueryResults("RETURN PASSTHRU((FOR i IN [ 1, 2, 3 ] RETURN i))");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test subquery as function parameter
////////////////////////////////////////////////////////////////////////////////
testSubqueryAsFunctionParameter2: function () {
var expected = [ 6 ];
var actual = getQueryResults("RETURN MAX(APPEND((FOR i IN [ 1, 2, 3 ] RETURN i), (FOR i IN [ 4, 5, 6 ] RETURN i)))");
assertEqual(expected, actual);
actual = getQueryResults("RETURN MAX(APPEND(FOR i IN [ 1, 2, 3 ] RETURN i, FOR i IN [ 4, 5, 6 ] RETURN i))");
assertEqual(expected, actual);
expected = [ 9 ];
actual = getQueryResults("RETURN MAX(APPEND(FOR i IN [ 9, 7, 8 ] RETURN i, [ 1 ]))");
assertEqual(expected, actual);
expected = [ [ 1, 2, 3, 4, 5, 6 ] ];
actual = getQueryResults("RETURN UNION((FOR i IN [ 1, 2, 3 ] RETURN i), (FOR i IN [ 4, 5, 6 ] RETURN i))");
assertEqual(expected, actual);
actual = getQueryResults("RETURN UNION(FOR i IN [ 1, 2, 3 ] RETURN i, FOR i IN [ 4, 5, 6 ] RETURN i)");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test copying of subquery results
////////////////////////////////////////////////////////////////////////////////
testIndependentSubqueries1: function () {
var expected = [ [ [ ], [ ] ] ];
// use a single block
for (var i = 1; i <= 100; ++i) {
expected[0][0].push(i);
expected[0][1].push(i);
}
var actual = getQueryResults("LET a = (FOR i IN 1..100 RETURN i) LET b = (FOR i IN 1..100 RETURN i) RETURN [a, b]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test copying of subquery results
////////////////////////////////////////////////////////////////////////////////
testIndependentSubqueries2: function () {
var expected = [ [ [ ], [ ] ] ];
// use multiple blocks
for (var i = 1; i <= 10000; ++i) {
expected[0][0].push(i);
expected[0][1].push(i);
}
var actual = getQueryResults("LET a = (FOR i IN 1..10000 RETURN i) LET b = (FOR i IN 1..10000 RETURN i) RETURN [a, b]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test copying of subquery results
////////////////////////////////////////////////////////////////////////////////
testDependentSubqueries1: function () {
var expected = [ [ [ ], [ ] ] ];
for (var i = 1; i <= 100; ++i) {
expected[0][0].push(i);
expected[0][1].push(i);
}
var actual = getQueryResults("LET a = (FOR i IN 1..100 RETURN i) LET b = (FOR i IN 1..100 FILTER i IN a RETURN i) RETURN [a, b]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test copying of subquery results
////////////////////////////////////////////////////////////////////////////////
testDependentSubqueries2: function () {
var expected = [ [ [ ], [ ] ] ];
for (var i = 1; i <= 100; ++i) {
if (i < 50) {
expected[0][0].push(i);
}
else {
expected[0][1].push(i);
}
}
var actual = getQueryResults("LET a = (FOR i IN 1..100 FILTER i < 50 RETURN i) LET b = (FOR i IN 1..100 FILTER i NOT IN a RETURN i) RETURN [a, b]");
assertEqual(expected, actual);
},
////////////////////////////////////////////////////////////////////////////////
/// @brief test copying of subquery results
////////////////////////////////////////////////////////////////////////////////
testDependentSubqueries3: function () {
var expected = [ ];
for (var i = 1; i <= 2000; ++i) {
expected.push(i);
}
var actual = getQueryResults("LET a = (FOR i IN 1..2000 RETURN i) FOR i IN 1..10000 FILTER i IN a RETURN i");
assertEqual(expected, actual);
}
};
}
////////////////////////////////////////////////////////////////////////////////
/// @brief executes the test suite
////////////////////////////////////////////////////////////////////////////////
jsunity.run(ahuacatlSubqueryTestSuite);
return jsunity.done();