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/**
* Tests the collectionUUID parameter of the aggregate command when not all shards own chunks for
* the collection.
*
* @tags: [
* requires_fcv_60,
* ]
*/
(function() {
'use strict';
const st = new ShardingTest({shards: 3});
const db = st.s.getDB(jsTestName());
assert.commandWorked(st.s.adminCommand({enableSharding: db.getName()}));
st.ensurePrimaryShard(db.getName(), st.shard0.shardName);
const shardedColl1 = db.sharded_1;
const shardedColl2 = db.sharded_2;
const unshardedColl = db.unsharded;
assert.commandWorked(shardedColl1.insert({_id: 0}));
assert.commandWorked(shardedColl2.insert({_id: 1}));
assert.commandWorked(unshardedColl.insert({_id: 2}));
const uuid = function(coll) {
return assert.commandWorked(db.runCommand({listCollections: 1}))
.cursor.firstBatch.find(c => c.name === coll.getName())
.info.uuid;
};
assert.commandWorked(
st.s.adminCommand({shardCollection: shardedColl1.getFullName(), key: {_id: 1}}));
assert.commandWorked(
st.s.adminCommand({shardCollection: shardedColl2.getFullName(), key: {_id: 1}}));
// Move shardedColl1's chunk to shard1 and shardedColl2's chunk to shard2.
assert.commandWorked(st.s.adminCommand(
{moveChunk: shardedColl1.getFullName(), find: {_id: 0}, to: st.shard1.shardName}));
assert.commandWorked(st.s.adminCommand(
{moveChunk: shardedColl2.getFullName(), find: {_id: 0}, to: st.shard2.shardName}));
// Cannot use the collectionUUID parameter with a pipeline that executes entirely on mongos.
assert.commandFailedWithCode(db.adminCommand({
aggregate: 1,
pipeline: [{$currentOp: {localOps: true}}],
cursor: {},
collectionUUID: uuid(unshardedColl),
}),
6487500);
// Run an aggregate which will only target shard1, since shard0 and shard2 do not own any chunks.
let res = assert.commandFailedWithCode(db.runCommand({
aggregate: shardedColl1.getName(),
pipeline: [{$indexStats: {}}],
cursor: {},
collectionUUID: uuid(unshardedColl),
}),
ErrorCodes.CollectionUUIDMismatch);
jsTestLog('$indexStats result: ' + tojson(res));
assert.eq(res.db, db.getName());
assert.eq(res.collectionUUID, uuid(unshardedColl));
assert.eq(res.expectedCollection, shardedColl1.getName());
assert.eq(res.actualCollection, unshardedColl.getName());
res = assert.commandFailedWithCode(db.runCommand({
aggregate: shardedColl1.getName(),
pipeline: [{$indexStats: {}}],
cursor: {},
collectionUUID: uuid(shardedColl2),
}),
ErrorCodes.CollectionUUIDMismatch);
jsTestLog('$indexStats result: ' + tojson(res));
assert.eq(res.db, db.getName());
assert.eq(res.collectionUUID, uuid(shardedColl2));
assert.eq(res.expectedCollection, shardedColl1.getName());
assert.eq(res.actualCollection, shardedColl2.getName());
// Run an aggregate which will only target shard1, since that is the shard on which the chunk
// containing the matching document lives.
res = assert.commandFailedWithCode(db.runCommand({
aggregate: shardedColl1.getName(),
pipeline: [{$match: {_id: 0}}],
cursor: {},
collectionUUID: uuid(unshardedColl),
}),
ErrorCodes.CollectionUUIDMismatch);
jsTestLog('$match result: ' + tojson(res));
assert.eq(res.db, db.getName());
assert.eq(res.collectionUUID, uuid(unshardedColl));
assert.eq(res.expectedCollection, shardedColl1.getName());
assert.eq(res.actualCollection, unshardedColl.getName());
res = assert.commandFailedWithCode(db.runCommand({
aggregate: shardedColl1.getName(),
pipeline: [{$match: {_id: 0}}],
cursor: {},
collectionUUID: uuid(shardedColl2),
}),
ErrorCodes.CollectionUUIDMismatch);
jsTestLog('$match result: ' + tojson(res));
assert.eq(res.db, db.getName());
assert.eq(res.collectionUUID, uuid(shardedColl2));
assert.eq(res.expectedCollection, shardedColl1.getName());
assert.eq(res.actualCollection, shardedColl2.getName());
st.stop();
})();
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