mirror of https://gitee.com/bigwinds/arangodb
175 lines
6.7 KiB
JavaScript
175 lines
6.7 KiB
JavaScript
/*jshint globalstrict:false, strict:false, maxlen: 500 */
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/*global assertEqual, assertTrue, AQL_EXPLAIN, AQL_EXECUTE */
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////////////////////////////////////////////////////////////////////////////////
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/// @brief tests for optimizer rules
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2010-2012 triagens GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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var jsunity = require("jsunity");
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var helper = require("@arangodb/aql-helper");
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test suite
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////////////////////////////////////////////////////////////////////////////////
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function optimizerRuleTestSuite () {
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var ruleName = "move-calculations-up";
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// various choices to control the optimizer:
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var paramNone = { optimizer: { rules: [ "-all" ] } };
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var paramEnabled = { optimizer: { rules: [ "-all", "+" + ruleName ] } };
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var paramDisabled = { optimizer: { rules: [ "+all", "-" + ruleName ] } };
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return {
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////////////////////////////////////////////////////////////////////////////////
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/// @brief set up
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////////////////////////////////////////////////////////////////////////////////
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setUp : function () {
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},
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////////////////////////////////////////////////////////////////////////////////
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/// @brief tear down
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////////////////////////////////////////////////////////////////////////////////
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tearDown : function () {
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},
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test that rule has no effect when explicitly disabled
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////////////////////////////////////////////////////////////////////////////////
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testRuleDisabled : function () {
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var queries = [
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"LET a = 1 FOR i IN 1..10 FILTER a == 1 RETURN i",
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"FOR i IN 1..10 LET a = 25 RETURN i",
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"FOR i IN 1..10 LET a = 1 LET b = 2 LET c = 3 FILTER i > 3 LET d = 1 RETURN i"
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];
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queries.forEach(function(query) {
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var result = AQL_EXPLAIN(query, { }, paramNone);
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assertEqual([ ], result.plan.rules, query);
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});
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},
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test that rule has no effect
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////////////////////////////////////////////////////////////////////////////////
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testRuleNoEffect : function () {
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var queries = [
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"FOR i IN 1..10 FILTER i == 1 RETURN i",
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"FOR i IN 1..10 LET a = 25 + i RETURN i",
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"LET values = 1..10 FOR i IN values LET a = i + 1 FOR j IN values LET b = j + 2 RETURN i",
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"FOR i IN 1..10 FILTER i == 7 COLLECT x = i RETURN x"
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];
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queries.forEach(function(query) {
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var result = AQL_EXPLAIN(query, { }, paramEnabled);
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assertEqual([ ], result.plan.rules, query);
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});
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},
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test that rule has an effect
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////////////////////////////////////////////////////////////////////////////////
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testRuleHasEffect : function () {
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var queries = [
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"FOR i IN 1..10 LET a = 1 FILTER i == 1 RETURN i",
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"FOR i IN 1..10 LET a = 1 FILTER i == 1 RETURN a",
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"FOR i IN 1..10 FILTER i == 1 LET a = 1 RETURN i",
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"FOR i IN 1..10 LET a = 25 + 7 RETURN i",
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"FOR i IN 1..10 LET a = MIN([ i, 1 ]) LET b = i + 1 RETURN [ a, b ]",
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"FOR i IN 1..10 LET a = RAND() LET b = 25 + i RETURN i",
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"FOR i IN 1..10 LET a = SLEEP(0.1) LET b = i + 1 RETURN b",
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"FOR i IN 1..10 FOR j IN 1..10 LET a = i + 2 RETURN i",
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"FOR i IN 1..10 FILTER i == 7 LET a = i COLLECT x = i RETURN x"
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];
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queries.forEach(function(query) {
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var result = AQL_EXPLAIN(query, { }, paramEnabled);
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assertEqual([ ruleName ], result.plan.rules, query);
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});
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},
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test generated plans
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////////////////////////////////////////////////////////////////////////////////
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testPlans : function () {
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var plans = [
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[ "FOR i IN 1..10 LET a = 1 RETURN i", [ "SingletonNode", "CalculationNode", "CalculationNode", "EnumerateListNode", "ReturnNode" ] ],
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[ "FOR i IN 1..10 FILTER i == 1 LET a = 1 RETURN i", [ "SingletonNode", "CalculationNode", "CalculationNode", "EnumerateListNode", "CalculationNode", "FilterNode", "ReturnNode" ] ]
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];
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plans.forEach(function(plan) {
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var result = AQL_EXPLAIN(plan[0], { }, paramEnabled);
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assertEqual([ ruleName ], result.plan.rules, plan[0]);
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assertEqual(plan[1], helper.getCompactPlan(result).map(function(node) { return node.type; }), plan[0]);
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});
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},
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test results
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////////////////////////////////////////////////////////////////////////////////
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testResults : function () {
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var queries = [
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[ "FOR i IN 1..10 LET a = 1 RETURN i", [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ] ],
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[ "FOR i IN 1..10 LET a = 1 RETURN a", [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ] ],
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[ "FOR i IN 1..10 FILTER i == 1 LET a = 1 RETURN i", [ 1 ] ],
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[ "FOR i IN 1..10 FILTER i == 1 LET a = 1 RETURN a", [ 1 ] ],
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];
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queries.forEach(function(query) {
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var planDisabled = AQL_EXPLAIN(query[0], { }, paramDisabled);
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var planEnabled = AQL_EXPLAIN(query[0], { }, paramEnabled);
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var resultDisabled = AQL_EXECUTE(query[0], { }, paramDisabled);
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var resultEnabled = AQL_EXECUTE(query[0], { }, paramEnabled);
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assertTrue(planDisabled.plan.rules.indexOf(ruleName) === -1, query[0]);
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assertTrue(planEnabled.plan.rules.indexOf(ruleName) !== -1, query[0]);
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assertEqual(resultDisabled.json, query[1], query[0]);
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assertEqual(resultEnabled.json, query[1], query[0]);
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});
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}
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};
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief executes the test suite
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////////////////////////////////////////////////////////////////////////////////
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jsunity.run(optimizerRuleTestSuite);
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return jsunity.done();
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