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/**
* Tests that write oplog entries contain the correct document key on sharded and non-sharded
* collection, with and without transaction.
*
* @tags: [
* requires_fcv_53,
* requires_sharding,
* uses_transactions,
* ]
*/
(function() {
"use strict";
const st = new ShardingTest({shards: 1, rs: {nodes: 1}});
const mongos = st.s;
const dbName = jsTestName();
const db = mongos.getDB(dbName);
Array.prototype.flatMap = function(lambda) {
return Array.prototype.concat.apply([], this.map(lambda));
};
const testWriteOplogDocumentKey = ({sharded, inTransaction}) => {
const shardKey = {a: 1};
const doc0 = {_id: 0, a: 0, b: 0};
const doc1 = {_id: 0, a: 0, b: 1};
const doc2 = {_id: 0, a: 0, b: 2};
const docKeys = {
sharded: {a: 0, _id: 0},
unsharded: {_id: 0},
};
const collName = `testcase-${sharded}-${inTransaction}`;
const ns = `${dbName}.${collName}`;
assert.commandWorked(db.createCollection(collName));
if (sharded) {
assert.commandWorked(db.adminCommand({enableSharding: dbName}));
assert.commandWorked(db.getCollection(collName).createIndex(shardKey));
assert.commandWorked(db.adminCommand({shardCollection: ns, key: shardKey}));
}
const performWrites = (writeFunc) => {
if (inTransaction) {
const session = mongos.startSession();
const sessionDB = session.getDatabase(dbName);
const sessionColl = sessionDB.getCollection(collName);
session.startTransaction();
writeFunc(sessionColl);
session.commitTransaction_forTesting();
} else {
const coll = db.getCollection(collName);
writeFunc(coll);
}
};
performWrites(function basicWriteOps(coll) {
assert.commandWorked(coll.insert(doc0));
assert.commandWorked(coll.replaceOne({_id: 0}, doc1));
assert.commandWorked(coll.updateOne({_id: 0}, {$set: doc2}));
assert.commandWorked(coll.deleteOne({_id: 0}));
});
const primary = st.getPrimaryShard(dbName);
const query = inTransaction ? {'o.applyOps.0.ns': ns} : {ns, op: {$in: ['i', 'u', 'd']}};
let oplogs = primary.getDB("local").oplog.rs.find(query).sort({$natural: 1}).toArray();
if (inTransaction) {
oplogs = oplogs.flatMap(oplog => oplog.o.applyOps);
}
assert.eq(oplogs.length, 4, tojson(oplogs));
const [insertOplog, replaceOplog, updateOplog, deleteOplog] = oplogs;
const docKey = sharded ? docKeys.sharded : docKeys.unsharded;
assert.eq(insertOplog.op, 'i', insertOplog);
assert.docEq(doc0, insertOplog.o, insertOplog);
assert.docEq(docKey, insertOplog.o2, insertOplog);
assert.eq(replaceOplog.op, 'u', replaceOplog);
assert.docEq(doc1, replaceOplog.o, replaceOplog);
assert.docEq(docKey, replaceOplog.o2, replaceOplog);
assert.eq(updateOplog.op, 'u', updateOplog);
assert.docEq(docKey, updateOplog.o2, updateOplog);
assert.eq(deleteOplog.op, 'd', deleteOplog);
assert.docEq(docKey, deleteOplog.o, deleteOplog);
performWrites(function largeInsert(coll) {
const largeDoc = {_id: 'x'.repeat(16 * 1024 * 1024), a: 0};
assert.commandFailedWithCode(coll.insert(largeDoc), ErrorCodes.BadValue);
});
};
testWriteOplogDocumentKey({sharded: false, inTransaction: false});
testWriteOplogDocumentKey({sharded: false, inTransaction: true});
testWriteOplogDocumentKey({sharded: true, inTransaction: false});
testWriteOplogDocumentKey({sharded: true, inTransaction: true});
st.stop();
}());
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