Files
mongo/jstests/sharding/query_after_multi_write.js
Kaloian Manassiev 3b2bd2cb97 SERVER-20805 Add '_waitForDelete: true' to some sharding tests
These are tests, which make multiple moveChunk calls. Adding
_waitForDelete:true ensures that the previous moveChunk would have
completed.
2015-10-07 17:33:11 -04:00

71 lines
2.7 KiB
JavaScript

(function() {
"use strict";
/**
* Test that queries will be properly routed after executing a write that does not
* perform any shard version checks.
*/
var runTest = function(writeFunc) {
var st = new ShardingTest({ shards: 2, mongos: 2 });
var testDB = st.s.getDB('test');
testDB.dropDatabase();
assert.commandWorked(testDB.adminCommand({ enableSharding: 'test' }));
st.ensurePrimaryShard('test', 'shard0000');
assert.commandWorked(testDB.adminCommand({ shardCollection: 'test.user', key: { x: 1 }}));
assert.commandWorked(testDB.adminCommand({ split: 'test.user', middle: { x: 0 }}));
assert.commandWorked(testDB.adminCommand({ moveChunk: 'test.user',
find: { x: 0 },
to: 'shard0001',
_waitForDelete: true }));
var testDB2 = st.s1.getDB('test');
testDB2.user.insert({ x: 123456 });
// Move chunk to bump version on a different mongos.
assert.commandWorked(testDB.adminCommand({ moveChunk: 'test.user',
find: { x: 0 },
to: 'shard0000',
_waitForDelete: true }));
// Issue a query and make sure it gets routed to the right shard.
assert.neq(null, testDB2.user.findOne({ x: 123456 }));
// At this point, s1 thinks the version of 'test.user' is 2, bounce it again so it gets
// incremented to 3
assert.commandWorked(testDB.adminCommand({ moveChunk: 'test.user',
find: { x: 0 },
to: 'shard0001',
_waitForDelete: true }));
// Issue a query and make sure it gets routed to the right shard again.
assert.neq(null, testDB2.user.findOne({ x: 123456 }));
// At this point, s0 thinks the version of 'test.user' is 3, bounce it again so it gets
// incremented to 4
assert.commandWorked(testDB.adminCommand({ moveChunk: 'test.user',
find: { x: 0 },
to: 'shard0000',
_waitForDelete: true }));
// Ensure that write commands with multi version do not reset the connection shard version to
// ignored.
writeFunc(testDB2);
assert.neq(null, testDB2.user.findOne({ x: 123456 }));
st.stop();
};
runTest(function(db) {
db.user.update({}, { $inc: { y: 987654 }}, false, true);
});
runTest(function(db) {
db.user.remove({ y: 'noMatch' }, false);
});
})();