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// @tags: [assumes_write_concern_unchanged]
//
// Ensures that mongod respects the batch write protocols for updates
//
var coll = db.getCollection("batch_write_update");
coll.drop();
assert(coll.getDB().getMongo().useWriteCommands(), "test is not running with write commands");
var request;
var result;
var batch;
var maxWriteBatchSize = 1000;
function resultOK(result) {
return result.ok && !('code' in result) && !('errmsg' in result) && !('errInfo' in result) &&
!('writeErrors' in result);
}
function resultNOK(result) {
return !result.ok && typeof(result.code) == 'number' && typeof(result.errmsg) == 'string';
}
// EACH TEST BELOW SHOULD BE SELF-CONTAINED, FOR EASIER DEBUGGING
//
// NO DOCS, illegal command
coll.remove({});
request = {
update: coll.getName()
};
result = coll.runCommand(request);
assert(resultNOK(result), tojson(result));
//
// Single document upsert, no write concern specified
coll.remove({});
request = {
update: coll.getName(),
updates: [{q: {a: 1}, u: {$set: {a: 1}}, upsert: true}]
};
result = coll.runCommand(request);
assert(resultOK(result), tojson(result));
assert.eq(1, result.n);
assert('upserted' in result);
assert.eq(1, result.upserted.length);
assert.eq(0, result.upserted[0].index);
// Count the upserted doc
var upsertedId = result.upserted[0]._id;
assert.eq(1, coll.count({_id: upsertedId}));
assert.eq(0, result.nModified, "missing/wrong nModified");
//
// Single document upsert, write concern specified, no ordered specified
coll.remove({});
request = {
update: coll.getName(),
updates: [{q: {a: 1}, u: {$set: {a: 1}}, upsert: true}],
writeConcern: {w: 1}
};
result = coll.runCommand(request);
assert(resultOK(result), tojson(result));
assert.eq(1, result.n);
assert('upserted' in result);
assert.eq(1, result.upserted.length);
assert.eq(0, result.upserted[0].index);
// Count the upserted doc
upsertedId = result.upserted[0]._id;
assert.eq(1, coll.count({_id: upsertedId}));
assert.eq(0, result.nModified, "missing/wrong nModified");
//
// Single document upsert, write concern specified, ordered = true
coll.remove({});
request = {
update: coll.getName(),
updates: [{q: {a: 1}, u: {$set: {a: 1}}, upsert: true}],
writeConcern: {w: 1},
ordered: true
};
result = coll.runCommand(request);
assert(resultOK(result), tojson(result));
assert.eq(1, result.n);
assert('upserted' in result);
assert.eq(1, result.upserted.length);
assert.eq(0, result.upserted[0].index);
// Count the upserted doc
upsertedId = result.upserted[0]._id;
assert.eq(1, coll.count({_id: upsertedId}));
assert.eq(0, result.nModified, "missing/wrong nModified");
//
// Single document upsert, write concern 0 specified, ordered = true
coll.remove({});
request = {
update: coll.getName(),
updates: [{q: {a: 1}, u: {$set: {a: 1}}, upsert: true}],
writeConcern: {w: 0},
ordered: true
};
result = coll.runCommand(request);
assert(resultOK(result), tojson(result));
assert.eq(1, coll.count({}));
for (var field in result) {
assert.eq('ok', field, 'unexpected field found in result: ' + field);
}
//
// Two document upsert, write concern 0 specified, ordered = true
coll.remove({});
request = {
update: coll.getName(),
updates: [
{q: {a: 2}, u: {$set: {a: 1}}, upsert: true},
{q: {a: 2}, u: {$set: {a: 2}}, upsert: true}
],
writeConcern: {w: 0},
ordered: true
};
result = coll.runCommand(request);
assert(resultOK(result), tojson(result));
assert.eq(2, coll.count());
for (var field in result) {
assert.eq('ok', field, 'unexpected field found in result: ' + field);
}
//
// Single document update
coll.remove({});
coll.insert({a: 1});
request = {
update: coll.getName(),
updates: [{q: {a: 1}, u: {$set: {c: 1}}}],
writeConcern: {w: 1}
};
result = coll.runCommand(request);
assert(resultOK(result), tojson(result));
assert.eq(1, result.n);
assert(!('upserted' in result));
assert.eq(1, coll.count());
assert.eq(1, result.nModified, "missing/wrong nModified");
//
// Multi document update/upsert
coll.remove({});
coll.insert({b: 1});
request = {
update: coll.getName(),
updates: [
{q: {b: 1}, u: {$set: {b: 1, a: 1}}, upsert: true},
{q: {b: 2}, u: {$set: {b: 2, a: 1}}, upsert: true}
],
writeConcern: {w: 1},
ordered: false
};
result = coll.runCommand(request);
assert(resultOK(result), tojson(result));
assert.eq(2, result.n);
assert.eq(1, result.nModified, "missing/wrong nModified");
assert.eq(1, result.upserted.length);
assert.eq(1, result.upserted[0].index);
assert.eq(1, coll.count({_id: result.upserted[0]._id}));
assert.eq(2, coll.count());
//
// Multiple document update
coll.remove({});
coll.insert({a: 1});
coll.insert({a: 1});
request = {
update: coll.getName(),
updates: [{q: {a: 1}, u: {$set: {c: 2}}, multi: true}],
writeConcern: {w: 1},
ordered: false
};
result = coll.runCommand(request);
assert(resultOK(result), tojson(result));
assert.eq(2, result.n);
assert.eq(2, result.nModified, "missing/wrong nModified");
assert.eq(2, coll.find({a: 1, c: 2}).count());
assert.eq(2, coll.count());
//
// Multiple document update, some no-ops
coll.remove({});
coll.insert({a: 1, c: 2});
coll.insert({a: 1});
request = {
update: coll.getName(),
updates: [{q: {a: 1}, u: {$set: {c: 2}}, multi: true}],
writeConcern: {w: 1},
ordered: false
};
printjson(result = coll.runCommand(request));
assert(resultOK(result), tojson(result));
assert.eq(2, result.n);
assert.eq(1, result.nModified, "missing/wrong nModified");
assert.eq(2, coll.find({a: 1, c: 2}).count());
assert.eq(2, coll.count());
//
// Large batch under the size threshold should update successfully
coll.remove({});
coll.insert({a: 0});
batch = [];
for (var i = 0; i < maxWriteBatchSize; ++i) {
batch.push({q: {}, u: {$inc: {a: 1}}});
}
request = {
update: coll.getName(),
updates: batch,
writeConcern: {w: 1},
ordered: false
};
result = coll.runCommand(request);
assert(resultOK(result), tojson(result));
assert.eq(batch.length, result.n);
assert.eq(batch.length, result.nModified, "missing/wrong nModified");
assert.eq(1, coll.find({a: batch.length}).count());
assert.eq(1, coll.count());
//
// Large batch above the size threshold should fail to update
coll.remove({});
coll.insert({a: 0});
batch = [];
for (var i = 0; i < maxWriteBatchSize + 1; ++i) {
batch.push({q: {}, u: {$inc: {a: 1}}});
}
request = {
update: coll.getName(),
updates: batch,
writeConcern: {w: 1},
ordered: false
};
result = coll.runCommand(request);
assert(resultNOK(result), tojson(result));
assert.eq(1, coll.find({a: 0}).count());
assert.eq(1, coll.count());
//
//
// Unique index tests
coll.remove({});
coll.ensureIndex({a: 1}, {unique: true});
//
// Upsert fail due to duplicate key index, w:0, ordered:true
coll.remove({});
request = {
update: coll.getName(),
updates: [
{q: {b: 1}, u: {$set: {b: 1, a: 1}}, upsert: true},
{q: {b: 2}, u: {$set: {b: 2, a: 1}}, upsert: true}
],
writeConcern: {w: 0},
ordered: true
};
result = coll.runCommand(request);
assert(result.ok, tojson(result));
assert.eq(1, coll.count());
for (var field in result) {
assert.eq('ok', field, 'unexpected field found in result: ' + field);
}
//
// Upsert fail due to duplicate key index, w:1, ordered:true
coll.remove({});
request = {
update: coll.getName(),
updates: [
{q: {b: 1}, u: {$set: {b: 1, a: 1}}, upsert: true},
{q: {b: 3}, u: {$set: {b: 3, a: 2}}, upsert: true},
{q: {b: 2}, u: {$set: {b: 2, a: 1}}, upsert: true}
],
writeConcern: {w: 1},
ordered: true
};
result = coll.runCommand(request);
assert(result.ok, tojson(result));
assert.eq(2, result.n);
assert.eq(0, result.nModified, "wrong nModified");
assert.eq(1, result.writeErrors.length);
assert.eq(2, result.writeErrors[0].index);
assert.eq('number', typeof result.writeErrors[0].code);
assert.eq('string', typeof result.writeErrors[0].errmsg);
assert.eq(2, result.upserted.length);
assert.eq(0, result.upserted[0].index);
assert.eq(1, coll.count({_id: result.upserted[0]._id}));
assert.eq(1, result.upserted[1].index);
assert.eq(1, coll.count({_id: result.upserted[1]._id}));
//
// Upsert fail due to duplicate key index, w:1, ordered:false
coll.remove({});
request = {
update: coll.getName(),
updates: [
{q: {b: 1}, u: {$set: {b: 1, a: 1}}, upsert: true},
{q: {b: 2}, u: {$set: {b: 2, a: 1}}, upsert: true},
{q: {b: 2}, u: {$set: {b: 2, a: 1}}, upsert: true},
{q: {b: 3}, u: {$set: {b: 3, a: 3}}, upsert: true}
],
writeConcern: {w: 1},
ordered: false
};
result = coll.runCommand(request);
assert(result.ok, tojson(result));
assert.eq(2, result.n);
assert.eq(0, result.nModified, "wrong nModified");
assert.eq(2, result.writeErrors.length);
assert.eq(1, result.writeErrors[0].index);
assert.eq('number', typeof result.writeErrors[0].code);
assert.eq('string', typeof result.writeErrors[0].errmsg);
assert.eq(2, result.writeErrors[1].index);
assert.eq('number', typeof result.writeErrors[1].code);
assert.eq('string', typeof result.writeErrors[1].errmsg);
assert.eq(2, result.upserted.length);
assert.eq(0, result.upserted[0].index);
assert.eq(1, coll.count({_id: result.upserted[0]._id}));
assert.eq(3, result.upserted[1].index);
assert.eq(1, coll.count({_id: result.upserted[1]._id}));
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