mongo/jstests/sharding/query/multi_write_target.js

73 lines
3.3 KiB
JavaScript

//
// Tests that multi-writes (update/delete) target *all* shards and not just shards in the collection
//
import {ShardingTest} from "jstests/libs/shardingtest.js";
let st = new ShardingTest({shards: 3, mongos: 2});
let admin = st.s0.getDB("admin");
let coll = st.s0.getCollection("foo.bar");
assert.commandWorked(admin.runCommand({enableSharding: coll.getDB() + "", primaryShard: st.shard0.shardName}));
assert.commandWorked(admin.runCommand({shardCollection: coll + "", key: {skey: 1}}));
assert.commandWorked(admin.runCommand({split: coll + "", middle: {skey: 0}}));
assert.commandWorked(admin.runCommand({split: coll + "", middle: {skey: 100}}));
assert.commandWorked(admin.runCommand({moveChunk: coll + "", find: {skey: 0}, to: st.shard1.shardName}));
assert.commandWorked(admin.runCommand({moveChunk: coll + "", find: {skey: 100}, to: st.shard2.shardName}));
jsTest.log("Testing multi-update...");
// Put data on all shards
assert.commandWorked(st.s0.getCollection(coll.toString()).insert({_id: 0, skey: -1, x: 1}));
assert.commandWorked(st.s0.getCollection(coll.toString()).insert({_id: 1, skey: 1, x: 1}));
assert.commandWorked(st.s0.getCollection(coll.toString()).insert({_id: 0, skey: 100, x: 1}));
// Sharded updateOnes that do not directly target a shard can now use the two phase write
// protocol to execute.
assert.commandWorked(coll.update({x: 1}, {$set: {updated: true}}, {multi: false}));
assert.commandWorked(coll.update({x: 1}, {$set: {updated: true}}, {multi: true}));
// Ensure update goes to *all* shards
assert.neq(null, st.shard0.getCollection(coll.toString()).findOne({updated: true}));
assert.neq(null, st.shard1.getCollection(coll.toString()).findOne({updated: true}));
assert.neq(null, st.shard2.getCollection(coll.toString()).findOne({updated: true}));
// _id update works, and goes to all shards even on the stale mongos
let staleColl = st.s1.getCollection("foo.bar");
assert.commandWorked(staleColl.update({_id: 0}, {$set: {updatedById: true}}, {multi: false}));
// Ensure _id update goes to at least one shard
assert(
st.shard0.getCollection(coll.toString()).findOne({updatedById: true}) != null ||
st.shard2.getCollection(coll.toString()).findOne({updatedById: true}) != null,
);
jsTest.log("Testing multi-delete...");
// Sharded deleteOnes that do not directly target a shard can now use the two phase write
// protocol to execute.
assert.commandWorked(coll.remove({x: 1}, {justOne: true}));
assert.commandWorked(coll.remove({x: 1}, {justOne: false}));
// Ensure delete goes to *all* shards
assert.eq(null, st.shard0.getCollection(coll.toString()).findOne({x: 1}));
assert.eq(null, st.shard1.getCollection(coll.toString()).findOne({x: 1}));
assert.eq(null, st.shard2.getCollection(coll.toString()).findOne({x: 1}));
// Put more on all shards
assert.commandWorked(st.shard0.getCollection(coll.toString()).insert({_id: 0, skey: -1, x: 1}));
assert.commandWorked(st.shard1.getCollection(coll.toString()).insert({_id: 1, skey: 1, x: 1}));
assert.commandWorked(st.shard2.getCollection(coll.toString()).insert({_id: 0, skey: 100, x: 1}));
assert.commandWorked(coll.remove({_id: 0}, {justOne: true}));
// Ensure _id update goes to all shards
assert.eq(null, st.shard0.getCollection(coll.toString()).findOne({x: 1}));
assert.eq(null, st.shard2.getCollection(coll.toString()).findOne({x: 1}));
st.stop();