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(function() {
"use strict";
const kFailPointName = "setYieldAllLocksHang";
const kCommandComment = "interruptedWhileYieldedComment";
const coll = db.interrupt_while_yielded;
coll.drop();
assert.commandWorked(coll.insert({a: 1, b: 1, c: 1}));
assert.commandWorked(coll.insert({a: 1, b: 1, c: 1}));
assert.commandWorked(coll.createIndex({a: 1, b: 1}));
assert.commandWorked(coll.createIndex({a: 1, c: 1}));
// This is needed to make sure that a yield point is reached.
assert.commandWorked(db.adminCommand({setParameter: 1, internalQueryExecYieldIterations: 1}));
function runTestWithQuery(queryFn) {
let waitForParallelShell = null;
try {
assert.commandWorked(db.adminCommand({
configureFailPoint: kFailPointName,
mode: "alwaysOn",
data: {namespace: coll.getFullName(), checkForInterruptAfterHang: true}
}));
// Run a command that should hit the fail point in a parallel shell.
let code = `let queryFn = ${queryFn};`;
code += `const coll = db.${coll.getName()};`;
code += `const kCommandComment = "${kCommandComment}";`;
function parallelShellFn() {
const err = assert.throws(queryFn);
assert.commandFailedWithCode(err, [ErrorCodes.Interrupted]);
}
code += "(" + parallelShellFn.toString() + ")();";
waitForParallelShell = startParallelShell(code);
// Find the operation running the query.
let opId = null;
assert.soon(function() {
const ops = db.getSiblingDB("admin")
.aggregate([
{$currentOp: {allUsers: true, localOps: true}},
{
$match: {
numYields: {$gt: 0},
ns: coll.getFullName(),
"command.comment": kCommandComment
}
}
])
.toArray();
if (ops.length > 0) {
assert.eq(ops.length, 1);
opId = ops[0].opid;
return true;
}
return false;
});
// Kill the op.
db.killOp(opId);
} finally {
// Disable the failpoint so that the server will continue, and hit an interrupt check.
assert.commandWorked(db.adminCommand({configureFailPoint: kFailPointName, mode: "off"}));
if (waitForParallelShell) {
waitForParallelShell();
}
}
// Check that the server is still up.
assert.commandWorked(db.adminCommand({isMaster: 1}));
}
function rootedOr() {
coll.find({$or: [{a: 1}, {b: 1}]}).comment(kCommandComment).itcount();
}
runTestWithQuery(rootedOr);
function groupFindDistinct() {
coll.aggregate([{$group: {_id: "$a"}}], {comment: kCommandComment}).itcount();
}
runTestWithQuery(groupFindDistinct);
function projectImmediatelyAfterMatch() {
coll.aggregate([{$match: {a: 1}}, {$project: {_id: 0, a: 1}}, {$unwind: "$a"}],
{comment: kCommandComment})
.itcount();
}
runTestWithQuery(projectImmediatelyAfterMatch);
function sortImmediatelyAfterMatch() {
coll.aggregate([{$match: {a: 1, b: 1, c: 1}}, {$sort: {a: 1}}], {comment: kCommandComment})
.itcount();
}
runTestWithQuery(sortImmediatelyAfterMatch);
function sortAndProjectionImmediatelyAfterMatch() {
coll.aggregate([{$match: {a: 1}}, {$project: {_id: 0, a: 1}}, {$sort: {a: 1}}],
{comment: kCommandComment})
.itcount();
}
runTestWithQuery(sortAndProjectionImmediatelyAfterMatch);
}());
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