64 lines
2.2 KiB
JavaScript
64 lines
2.2 KiB
JavaScript
/**
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* Test that queries will be properly routed after executing a write that does not
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* perform any shard version checks.
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*/
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import {ShardingTest} from "jstests/libs/shardingtest.js";
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let runTest = function (writeFunc) {
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let st = new ShardingTest({shards: 2, mongos: 2});
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let testDB = st.s.getDB("test");
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testDB.dropDatabase();
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assert.commandWorked(testDB.adminCommand({enableSharding: "test", primaryShard: st.shard0.shardName}));
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assert.commandWorked(testDB.adminCommand({shardCollection: "test.user", key: {x: 1}}));
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assert.commandWorked(testDB.adminCommand({split: "test.user", middle: {x: 0}}));
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assert.commandWorked(
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testDB.adminCommand({moveChunk: "test.user", find: {x: 0}, to: st.shard1.shardName, _waitForDelete: true}),
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);
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let testDB2 = st.s1.getDB("test");
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testDB2.user.insert({x: 123456});
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// Move chunk to bump version on a different mongos.
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assert.commandWorked(
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testDB.adminCommand({moveChunk: "test.user", find: {x: 0}, to: st.shard0.shardName, _waitForDelete: true}),
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);
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// Issue a query and make sure it gets routed to the right shard.
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assert.neq(null, testDB2.user.findOne({x: 123456}));
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// At this point, s1 thinks the version of 'test.user' is 2, bounce it again so it gets
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// incremented to 3
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assert.commandWorked(
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testDB.adminCommand({moveChunk: "test.user", find: {x: 0}, to: st.shard1.shardName, _waitForDelete: true}),
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);
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// Issue a query and make sure it gets routed to the right shard again.
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assert.neq(null, testDB2.user.findOne({x: 123456}));
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// At this point, s0 thinks the version of 'test.user' is 3, bounce it again so it gets
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// incremented to 4
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assert.commandWorked(
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testDB.adminCommand({moveChunk: "test.user", find: {x: 0}, to: st.shard0.shardName, _waitForDelete: true}),
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);
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// Ensure that write commands with multi version do not reset the connection shard version
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// to
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// ignored.
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writeFunc(testDB2);
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assert.neq(null, testDB2.user.findOne({x: 123456}));
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st.stop();
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};
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runTest(function (db) {
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db.user.update({}, {$inc: {y: 987654}}, false, true);
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});
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runTest(function (db) {
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db.user.remove({y: "noMatch"}, false);
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});
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