58 lines
2.4 KiB
JavaScript
58 lines
2.4 KiB
JavaScript
// Simple covered index query test
|
|
|
|
// Include helpers for analyzing explain output.
|
|
load("jstests/libs/analyze_plan.js");
|
|
|
|
var coll = db.getCollection("covered_simple_id")
|
|
coll.drop()
|
|
for (i=0;i<10;i++) {
|
|
coll.insert({_id:i})
|
|
}
|
|
coll.insert({_id:"string"})
|
|
coll.insert({_id:{bar:1}})
|
|
coll.insert({_id:null})
|
|
|
|
// Test equality with int value
|
|
var plan = coll.find({_id:1}, {_id:1}).hint({_id:1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.id.1 - indexOnly should be true on covered query")
|
|
assert.eq(0, plan.executionStats.totalDocsExamined,
|
|
"simple.id.1 - docs examined should be 0 for covered query")
|
|
|
|
// Test equality with string value
|
|
var plan = coll.find({_id:"string"}, {_id:1}).hint({_id:1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.id.2 - indexOnly should be true on covered query")
|
|
assert.eq(0, plan.executionStats.totalDocsExamined,
|
|
"simple.id.2 - docs examined should be 0 for covered query")
|
|
|
|
// Test equality with int value on a dotted field
|
|
var plan = coll.find({_id:{bar:1}}, {_id:1}).hint({_id:1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.id.3 - indexOnly should be true on covered query")
|
|
assert.eq(0, plan.executionStats.totalDocsExamined,
|
|
"simple.id.3 - docs examined should be 0 for covered query")
|
|
|
|
// Test no query
|
|
var plan = coll.find({}, {_id:1}).hint({_id:1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.id.4 - indexOnly should be true on covered query")
|
|
assert.eq(0, plan.executionStats.totalDocsExamined,
|
|
"simple.id.4 - docs examined should be 0 for covered query")
|
|
|
|
// Test range query
|
|
var plan = coll.find({_id:{$gt:2,$lt:6}}, {_id:1}).hint({_id:1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.id.5 - indexOnly should be true on covered query")
|
|
assert.eq(0, plan.executionStats.totalDocsExamined,
|
|
"simple.id.5 - docs examined should be 0 for covered query")
|
|
|
|
// Test in query
|
|
var plan = coll.find({_id:{$in:[5,8]}}, {_id:1}).hint({_id:1}).explain("executionStats");
|
|
assert(isIndexOnly(plan.queryPlanner.winningPlan),
|
|
"simple.id.6 - indexOnly should be true on covered query")
|
|
assert.eq(0, plan.executionStats.totalDocsExamined,
|
|
"simple.id.6 - docs examined should be 0 for covered query")
|
|
|
|
print ('all tests pass')
|