67 lines
2.6 KiB
JavaScript
67 lines
2.6 KiB
JavaScript
// Simple covered index query test with unique index
|
|
|
|
// Include helpers for analyzing explain output.
|
|
load("jstests/libs/analyze_plan.js");
|
|
|
|
var coll = db.getCollection("covered_simple_2");
|
|
coll.drop();
|
|
for (i = 0; i < 10; i++) {
|
|
coll.insert({foo: i});
|
|
}
|
|
coll.insert({foo: "string"});
|
|
coll.insert({foo: {bar: 1}});
|
|
coll.insert({foo: null});
|
|
coll.ensureIndex({foo: 1}, {unique: true});
|
|
|
|
// Test equality with int value
|
|
var plan = coll.find({foo: 1}, {foo: 1, _id: 0}).hint({foo: 1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.2.1 - indexOnly should be true on covered query");
|
|
assert.eq(0,
|
|
plan.executionStats.totalDocsExamined,
|
|
"simple.2.1 - docs examined should be 0 for covered query");
|
|
|
|
// Test equality with string value
|
|
var plan = coll.find({foo: "string"}, {foo: 1, _id: 0}).hint({foo: 1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.2.2 - indexOnly should be true on covered query");
|
|
assert.eq(0,
|
|
plan.executionStats.totalDocsExamined,
|
|
"simple.2.2 - docs examined should be 0 for covered query");
|
|
|
|
// Test equality with int value on a dotted field
|
|
var plan = coll.find({foo: {bar: 1}}, {foo: 1, _id: 0}).hint({foo: 1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.2.3 - indexOnly should be true on covered query");
|
|
assert.eq(0,
|
|
plan.executionStats.totalDocsExamined,
|
|
"simple.2.3 - docs examined should be 0 for covered query");
|
|
|
|
// Test no query
|
|
var plan = coll.find({}, {foo: 1, _id: 0}).hint({foo: 1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.2.4 - indexOnly should be true on covered query");
|
|
assert.eq(0,
|
|
plan.executionStats.totalDocsExamined,
|
|
"simple.2.4 - docs examined should be 0 for covered query");
|
|
|
|
// Test range query
|
|
var plan =
|
|
coll.find({foo: {$gt: 2, $lt: 6}}, {foo: 1, _id: 0}).hint({foo: 1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.2.5 - indexOnly should be true on covered query");
|
|
assert.eq(0,
|
|
plan.executionStats.totalDocsExamined,
|
|
"simple.2.5 - docs examined should be 0 for covered query");
|
|
|
|
// Test in query
|
|
var plan =
|
|
coll.find({foo: {$in: [5, 8]}}, {foo: 1, _id: 0}).hint({foo: 1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.2.6 - indexOnly should be true on covered query");
|
|
assert.eq(0,
|
|
plan.executionStats.totalDocsExamined,
|
|
"simple.2.6 - docs examined should be 0 for covered query");
|
|
|
|
print('all tests pass');
|