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'use strict';
/**
* external_data_source.js
*
* Runs multiple aggregations with $_externalDataSources option concurrently.
*/
var $config = (function() {
var data = (() => {
Random.setRandomSeed();
let localCollObjs = [];
for (let i = 0; i < 100000; ++i) {
localCollObjs.push({
_id: i,
g: Random.randInt(100), // 100 groups
str1: "strdata_" + Random.randInt(100000000),
});
}
// Used as documents for a foreign collection.
let foreignCollObjs = [];
for (let i = 0; i < 100; ++i) {
foreignCollObjs.push({
_id: i,
desc1: "description_" + Random.randInt(100),
desc2: "description_" + Random.randInt(100),
});
}
return {
localCollObjs: localCollObjs,
foreignCollObjs: foreignCollObjs,
kDefaultPipePath: "",
pipeName1: "",
pipeName2: "",
vcollName1: "",
vcollName2: "",
};
})();
var states = (function() {
const kUrlProtocolFile = "file://";
function init(db, collName) {
const hostInfo = assert.commandWorked(db.hostInfo());
this.kDefaultPipePath = (() => {
return hostInfo.os.type == "Windows" ? "//./pipe/" : "/tmp/";
})();
this.pipeName1 = `concurrency_compute_mode_tid${this.tid}_name1`;
this.pipeName2 = `concurrency_compute_mode_tid${this.tid}_name2`;
this.vcollName1 = `vcoll${this.tid}_1`;
this.vcollName2 = `vcoll${this.tid}_2`;
removeFile(this.kDefaultPipePath + this.pipeName1);
removeFile(this.kDefaultPipePath + this.pipeName2);
}
function scan(db, collName) {
jsTestLog(`${this.tid} running scan`);
_writeTestPipeObjects(this.pipeName1,
this.localCollObjs.length,
this.localCollObjs,
this.kDefaultPipePath);
_writeTestPipeObjects(this.pipeName2,
this.localCollObjs.length,
this.localCollObjs,
this.kDefaultPipePath);
const expectedRes = this.localCollObjs.concat(this.localCollObjs);
const resArr = db[this.vcollName1]
.aggregate([], {
$_externalDataSources: [{
collName: this.vcollName1,
dataSources: [
{
url: kUrlProtocolFile + this.pipeName1,
storageType: "pipe",
fileType: "bson"
},
{
url: kUrlProtocolFile + this.pipeName2,
storageType: "pipe",
fileType: "bson"
}
]
}]
})
.toArray();
assert.eq(resArr.length, expectedRes.length);
for (let i = 0; i < expectedRes.length; ++i) {
assert.eq(
resArr[i], expectedRes[i], `Unexpected obj = ${tojson(resArr[i])} at ${i}`);
}
jsTestLog(`${this.tid} is done with scan`);
}
function match(db, collName) {
jsTestLog(`${this.tid} running match`);
_writeTestPipeObjects(this.pipeName1,
this.localCollObjs.length,
this.localCollObjs,
this.kDefaultPipePath);
const expectedRes = this.localCollObjs.filter(obj => obj.g < 50);
const resArr = db[this.vcollName1]
.aggregate([{$match: {g: {$lt: 50}}}], {
$_externalDataSources: [{
collName: this.vcollName1,
dataSources: [{
url: kUrlProtocolFile + this.pipeName1,
storageType: "pipe",
fileType: "bson"
}]
}]
})
.toArray();
assert.eq(resArr.length, expectedRes.length);
for (let i = 0; i < expectedRes.length; ++i) {
assert.eq(
resArr[i], expectedRes[i], `Unexpected obj = ${tojson(resArr[i])} at ${i}`);
}
jsTestLog(`${this.tid} is done with match`);
}
function unionWith(db, collName) {
jsTestLog(`${this.tid} running unionWith`);
_writeTestPipeObjects(this.pipeName1,
this.localCollObjs.length,
this.localCollObjs,
this.kDefaultPipePath);
_writeTestPipeObjects(this.pipeName2,
this.localCollObjs.length,
this.localCollObjs,
this.kDefaultPipePath);
const expectedRes = this.localCollObjs.concat(this.localCollObjs);
const resArr = db[this.vcollName1]
.aggregate([{$unionWith: this.vcollName2}], {
$_externalDataSources: [
{
collName: this.vcollName1,
dataSources: [{
url: kUrlProtocolFile + this.pipeName1,
storageType: "pipe",
fileType: "bson"
}]
},
{
collName: this.vcollName2,
dataSources: [{
url: kUrlProtocolFile + this.pipeName2,
storageType: "pipe",
fileType: "bson"
}]
}
]
})
.toArray();
assert.eq(resArr.length, expectedRes.length);
for (let i = 0; i < expectedRes.length; ++i) {
assert.eq(
resArr[i], expectedRes[i], `Unexpected obj = ${tojson(resArr[i])} at ${i}`);
}
jsTestLog(`${this.tid} is done with unionWith`);
}
function group(db, collName) {
jsTestLog(`${this.tid} running group`);
_writeTestPipeObjects(this.pipeName1,
this.localCollObjs.length,
this.localCollObjs,
this.kDefaultPipePath);
const countPerGroup = [];
for (let i = 0; i < 100; ++i) {
countPerGroup[i] = 0;
}
this.localCollObjs.forEach(obj => {
countPerGroup[obj.g]++;
});
const expectedRes = [];
countPerGroup.forEach((cnt, idx) => {
if (cnt > 0) {
expectedRes.push({_id: idx, c: cnt});
}
});
const resArr = db[this.vcollName1]
.aggregate([{$group: {_id: "$g", c: {$count: {}}}}], {
$_externalDataSources: [{
collName: this.vcollName1,
dataSources: [{
url: kUrlProtocolFile + this.pipeName1,
storageType: "pipe",
fileType: "bson"
}]
}]
})
.toArray();
assert.sameMembers(resArr, expectedRes);
jsTestLog(`${this.tid} is done with group`);
}
return {
init: init,
scan: scan,
match: match,
unionWith: unionWith,
group: group,
};
})();
var transitions = {
init: {scan: 0.25, match: 0.25, unionWith: 0.25, group: 0.25},
scan: {scan: 0.25, match: 0.25, unionWith: 0.25, group: 0.25},
match: {scan: 0.25, match: 0.25, unionWith: 0.25, group: 0.25},
unionWith: {scan: 0.25, match: 0.25, unionWith: 0.25, group: 0.25},
group: {scan: 0.25, match: 0.25, unionWith: 0.25, group: 0.25},
};
function setup(db, collName, cluster) {
}
function teardown(db, collName) {
}
return {
threadCount: 10,
iterations: 20,
states: states,
startState: 'init',
transitions: transitions,
setup: setup,
teardown: teardown,
data: data,
};
})();
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