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arangodb/tests/js/server/aql/aql-optimizer-rule-reduce-e...

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JavaScript

/*jshint globalstrict:false, strict:false, maxlen: 500 */
/*global assertEqual, assertNotEqual, assertTrue, AQL_EXPLAIN, AQL_EXECUTE */
////////////////////////////////////////////////////////////////////////////////
/// @brief tests for optimizer rules
///
/// @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 isEqual = helper.isEqual;
var db = require("@arangodb").db;
var ruleName = "reduce-extraction-to-projection";
////////////////////////////////////////////////////////////////////////////////
/// @brief test suite
////////////////////////////////////////////////////////////////////////////////
function optimizerRuleTestSuite () {
var c = null;
var cn = "UnitTestsOptimizer";
return {
////////////////////////////////////////////////////////////////////////////////
/// @brief set up
////////////////////////////////////////////////////////////////////////////////
setUp : function () {
db._drop(cn);
c = db._create(cn, { numberOfShards: 4 });
for (var i = 0; i < 1000; ++i) {
c.insert({ value1: i, value2: "test" + i, foo: { bar: i } });
}
},
////////////////////////////////////////////////////////////////////////////////
/// @brief tear down
////////////////////////////////////////////////////////////////////////////////
tearDown : function () {
db._drop(cn);
c = null;
},
testNotActive : function () {
var queries = [
"FOR doc IN @@cn FILTER doc.value1 == 1 && doc.value2 == 1 && doc.value3 == 1 && doc.value4 == 1 && doc.value5 == 1 && doc.value6 == 1 RETURN doc",
"FOR doc IN @@cn FILTER doc.value1 == 1 && doc.value2 == 1 RETURN doc",
"FOR doc IN @@cn FILTER doc.value1 == 1 RETURN doc",
"FOR doc IN @@cn SORT doc.value1, doc.value2 RETURN doc",
"FOR doc IN @@cn COLLECT v = doc.value1 INTO g RETURN g",
"FOR doc IN @@cn FILTER doc.value1 == 1 RETURN doc",
"FOR doc IN @@cn FILTER doc == { value1: 1 } RETURN doc",
"FOR doc IN @@cn FILTER doc && doc.value1 == 1 RETURN doc.value1",
"FOR doc IN @@cn INSERT MERGE(doc, { foo: doc.value }) INTO @@cn"
];
queries.forEach(function(query) {
var result = AQL_EXPLAIN(query, { "@cn" : cn });
assertEqual(-1, result.plan.rules.indexOf(ruleName), query);
});
},
testNotActiveBecauseIndexHint : function () {
// these queries may actually use projections, but they must not use the primary
// index for scanning
var queries = [
"FOR doc IN @@cn OPTIONS { indexHint: 'aha', forceIndexHint: true } RETURN 1",
"FOR doc IN @@cn OPTIONS { indexHint: 'aha', forceIndexHint: true } RETURN doc",
"FOR doc IN @@cn OPTIONS { indexHint: 'aha', forceIndexHint: true } RETURN doc.value1",
"FOR doc IN @@cn OPTIONS { indexHint: 'aha', forceIndexHint: true } RETURN doc.value2",
"FOR doc IN @@cn OPTIONS { indexHint: 'aha', forceIndexHint: true } RETURN doc._key",
"FOR doc IN @@cn OPTIONS { indexHint: 'primary' } RETURN doc",
"FOR doc IN @@cn OPTIONS { indexHint: 'primary' } RETURN doc.value1",
"FOR doc IN @@cn OPTIONS { indexHint: 'primary' } RETURN doc.value2",
];
queries.forEach(function(query) {
var result = AQL_EXPLAIN(query, { "@cn" : cn }).plan;
let nodeTypes = result.nodes.map(function(node) { return node.type; });
assertEqual(-1, nodeTypes.indexOf("IndexNode"));
});
},
testActive : function () {
var queries = [
"FOR doc IN @@cn OPTIONS { indexHint: 'primary' } RETURN 1",
"FOR doc IN @@cn OPTIONS { indexHint: 'primary' } RETURN doc._key",
"FOR doc IN @@cn FILTER doc.value1 == 1 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 == 1 RETURN doc.value2",
"FOR doc IN @@cn FILTER doc.value1 == 1 && doc.value2 == 1 && doc.value3 == 1 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 == 1 && doc.value2 == 1 && doc.value3 == 1 && doc.value4 == 1 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 == 1 && doc.value2 == 1 && doc.value3 == 1 && doc.value4 == 1 && doc.value5 == 1 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 == 1 && doc.value2 == 1 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 == 1 && doc.value2 == 1 RETURN doc.value2",
"FOR doc IN @@cn FILTER doc.value1 == 1 && doc.value2 == 1 RETURN [ doc.value1, doc.value2 ]",
"FOR doc IN @@cn FILTER doc.value1 == 1 RETURN doc.value2",
"FOR doc IN @@cn RETURN [doc.value1, doc.value2]",
"FOR doc IN @@cn FILTER doc.value1 >= 132 && doc.value <= 134 SORT doc.value1 RETURN doc.value1",
"FOR doc IN @@cn SORT doc.value1 RETURN doc.value2",
"FOR doc IN @@cn FILTER doc.value1 == 1 SORT doc.value2 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 == 1 RETURN 1",
"FOR doc IN @@cn FILTER doc.value1 == 1 FILTER doc.value2 == 1 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 == 1 && doc.value2 == 1 RETURN doc.value2",
"FOR doc IN @@cn SORT doc.value1 RETURN doc.value1",
"FOR doc IN @@cn SORT doc.value1 RETURN 1",
"FOR doc IN @@cn COLLECT v = doc.value1 INTO g RETURN v", // g will be optimized away
"FOR doc IN @@cn FILTER doc.value1 == 1 SORT doc.value1 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 > 1 SORT doc.value1 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 == { value1: 1 } RETURN doc.value1",
"FOR doc IN @@cn SORT doc.value1 RETURN doc.value1",
"FOR doc IN @@cn RETURN doc.foo.bar",
"FOR doc IN @@cn SORT doc.foo.bar RETURN doc.foo.bar"
];
queries.forEach(function(query) {
var result = AQL_EXPLAIN(query, { "@cn" : cn });
assertNotEqual(-1, result.plan.rules.indexOf(ruleName), query);
});
},
testActiveScanOnly : function () {
var queries = [
"FOR doc IN @@cn RETURN 1",
"FOR doc IN @@cn OPTIONS { indexHint: 'primary' } RETURN 1",
];
queries.forEach(function(query) {
var result = AQL_EXPLAIN(query, { "@cn" : cn });
assertNotEqual(-1, result.plan.rules.indexOf(ruleName), query);
});
},
testActiveWithIndex : function () {
c.ensureIndex({ type: "skiplist", fields: ["value1"] });
var queries = [
"FOR doc IN @@cn FILTER doc.value1 == 1 RETURN doc.value1",
"FOR doc IN @@cn SORT doc.value1 RETURN doc.value1",
"FOR doc IN @@cn COLLECT v = doc.value1 INTO g RETURN v", // g will be optimized away
"FOR doc IN @@cn FILTER doc.value1 == 1 SORT doc.value1 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 > 1 SORT doc.value1 RETURN doc.value1",
"FOR doc IN @@cn FILTER doc.value1 == { value1: 1 } RETURN doc.value1",
"FOR doc IN @@cn SORT doc.value1 RETURN doc.value1"
];
queries.forEach(function(query) {
var result = AQL_EXPLAIN(query, { "@cn" : cn });
assertNotEqual(-1, result.plan.rules.indexOf(ruleName), query);
});
},
testActiveWithIndexMultiple : function () {
c.ensureIndex({ type: "skiplist", fields: ["foo.bar"] });
var queries = [
"FOR doc IN @@cn FILTER doc.foo.bar == 1 RETURN doc.foo.bar",
"FOR doc IN @@cn SORT doc.foo.bar RETURN doc.foo.bar",
"FOR doc IN @@cn COLLECT v = doc.foo.bar INTO g RETURN v", // g will be optimized away
"FOR doc IN @@cn FILTER doc.foo.bar == 1 SORT doc.foo.bar RETURN doc.foo.bar",
"FOR doc IN @@cn FILTER doc.foo.bar > 1 SORT doc.foo.bar RETURN doc.foo.bar",
"FOR doc IN @@cn FILTER doc.foo.bar == { value1: 1 } RETURN doc.foo.bar",
"FOR doc IN @@cn SORT doc.foo.bar RETURN doc.foo.bar"
];
queries.forEach(function(query) {
var result = AQL_EXPLAIN(query, { "@cn" : cn });
assertNotEqual(-1, result.plan.rules.indexOf(ruleName), query);
});
},
testResults : function () {
var queries = [
[ "FOR doc IN @@cn FILTER doc.value1 == 1 RETURN 42", [ 42 ] ],
[ "FOR doc IN @@cn FILTER doc.value1 == 1 RETURN doc.value1", [ 1 ] ],
[ "FOR doc IN @@cn FILTER doc.value1 <= 1 SORT doc.value1 RETURN doc.value1", [ 0, 1 ] ],
[ "FOR doc IN @@cn FILTER doc.value1 >= 132 && doc.value1 <= 134 SORT doc.value1 RETURN doc.value1", [ 132, 133, 134 ] ]
];
queries.forEach(function(query) {
var result = AQL_EXPLAIN(query[0], { "@cn" : cn });
assertNotEqual(-1, result.plan.rules.indexOf(ruleName), query[0]);
result = AQL_EXECUTE(query[0], { "@cn" : cn });
assertEqual(query[1], result.json);
});
},
testResultsMultiple : function () {
var queries = [
[ "FOR doc IN @@cn FILTER doc.foo.bar == 1 RETURN 42", [ 42 ] ],
[ "FOR doc IN @@cn FILTER doc.foo.bar == 1 RETURN doc.foo.bar", [ 1 ] ],
[ "FOR doc IN @@cn FILTER doc.foo.bar <= 1 SORT doc.foo.bar RETURN doc.foo.bar", [ 0, 1 ] ],
[ "FOR doc IN @@cn FILTER doc.foo.bar >= 132 && doc.foo.bar <= 134 SORT doc.foo.bar RETURN doc.foo.bar", [ 132, 133, 134 ] ]
];
queries.forEach(function(query) {
var result = AQL_EXPLAIN(query[0], { "@cn" : cn });
assertNotEqual(-1, result.plan.rules.indexOf(ruleName), query[0]);
result = AQL_EXECUTE(query[0], { "@cn" : cn });
assertEqual(query[1], result.json);
});
},
testResultsWithIndex : function () {
c.ensureIndex({ type: "skiplist", fields: ["value1"] });
var queries = [
[ "FOR doc IN @@cn FILTER doc.value1 == 1 RETURN doc.value1", [ 1 ] ],
[ "FOR doc IN @@cn FILTER doc.value1 <= 1 SORT doc.value1 RETURN doc.value1", [ 0, 1 ] ],
[ "FOR doc IN @@cn FILTER doc.value1 >= 132 && doc.value1 <= 134 SORT doc.value1 RETURN doc.value1", [ 132, 133, 134 ] ],
[ "FOR doc IN @@cn FILTER doc.value1 >= 130 && doc.value1 <= 139 SORT doc.value1 RETURN doc.value1", [ 130, 131, 132, 133, 134, 135, 136, 137, 138, 139 ] ]
];
queries.forEach(function(query) {
var result = AQL_EXPLAIN(query[0], { "@cn" : cn });
assertNotEqual(-1, result.plan.rules.indexOf(ruleName), query[0]);
result = AQL_EXECUTE(query[0], { "@cn" : cn });
assertEqual(query[1], result.json);
});
},
testResultsWithIndexMultiple : function () {
c.ensureIndex({ type: "skiplist", fields: ["foo.bar"] });
var queries = [
[ "FOR doc IN @@cn FILTER doc.foo.bar == 1 RETURN doc.foo.bar", [ 1 ] ],
[ "FOR doc IN @@cn FILTER doc.foo.bar <= 1 SORT doc.foo.bar RETURN doc.foo.bar", [ 0, 1 ] ],
[ "FOR doc IN @@cn FILTER doc.foo.bar >= 132 && doc.foo.bar <= 134 SORT doc.foo.bar RETURN doc.foo.bar", [ 132, 133, 134 ] ],
[ "FOR doc IN @@cn FILTER doc.foo.bar >= 130 && doc.foo.bar <= 139 SORT doc.foo.bar RETURN doc.foo.bar", [ 130, 131, 132, 133, 134, 135, 136, 137, 138, 139 ] ]
];
queries.forEach(function(query) {
var result = AQL_EXPLAIN(query[0], { "@cn" : cn });
assertNotEqual(-1, result.plan.rules.indexOf(ruleName), query[0]);
result = AQL_EXECUTE(query[0], { "@cn" : cn });
assertEqual(query[1], result.json);
});
},
testJoin : function () {
c.ensureIndex({ type: "skiplist", fields: ["value"] });
let queries = [
"FOR doc1 IN @@cn FOR doc2 IN @@cn FILTER doc1.value == doc2._key RETURN [doc1._key, doc2._key]",
"FOR doc1 IN @@cn FOR doc2 IN @@cn FILTER doc1.value == doc2._key RETURN [doc1.value, doc2._key]",
];
queries.forEach(function(query) {
let result = AQL_EXPLAIN(query, { "@cn" : cn });
assertNotEqual(-1, result.plan.rules.indexOf(ruleName), query);
let found = 0;
result.plan.nodes.filter(function(node) {
return node.type === 'IndexNode' || node.type === 'EnumerateCollectionNode';
}).forEach(function(node) {
assertNotEqual([], node.projections);
++found;
});
assertEqual(2, found);
});
}
};
}
/// @brief executes the test suite
jsunity.run(optimizerRuleTestSuite);
return jsunity.done();