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// Write ops tests for partial indexes
(function() {
"use strict";
var isMongos = (db.runCommand("isMaster").msg === "isdbgrid");
var coll = db.index_partial_write_ops;
var getNumKeys = function(idxName) {
var res = assert.commandWorked(coll.validate(true));
var kpi;
if (isMongos) {
kpi = res.raw[Object.getOwnPropertyNames(res.raw)[0]].keysPerIndex;
}
else {
kpi = res.keysPerIndex;
}
return kpi[coll.getFullName() + ".$" + idxName];
};
coll.drop();
// Create partial index.
assert.commandWorked(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: 1}}));
assert.writeOK(coll.insert({_id: 1, x: 5, a: 2, b: 1})); // Not in index.
assert.writeOK(coll.insert({_id: 2, x: 6, a: 1, b: 1})); // In index.
assert.eq(1, getNumKeys("x_1"));
// Move into partial index, then back out.
assert.writeOK(coll.update({_id: 1}, {$set: {a: 1}}));
assert.eq(2, getNumKeys("x_1"));
assert.writeOK(coll.update({_id: 1}, {$set: {a: 2}}));
assert.eq(1, getNumKeys("x_1"));
// Bit blip doc in partial index, and out of partial index.
assert.writeOK(coll.update({_id: 2}, {$set: {b: 2}}));
assert.eq(1, getNumKeys("x_1"));
assert.writeOK(coll.update({_id: 1}, {$set: {b: 2}}));
assert.eq(1, getNumKeys("x_1"));
var array = [];
for (var i = 0; i < 2048; i++) {
array.push({arbitrary: i});
}
// Update that causes record relocation.
assert.writeOK(coll.update({_id: 2}, {$set: {b: array}}));
assert.eq(1, getNumKeys("x_1"));
assert.writeOK(coll.update({_id: 1}, {$set: {b: array}}));
assert.eq(1, getNumKeys("x_1"));
// Delete that doesn't affect partial index.
assert.writeOK(coll.remove({x: 5}));
assert.eq(1, getNumKeys("x_1"));
// Delete that does affect partial index.
assert.writeOK(coll.remove({x: 6}));
assert.eq(0, getNumKeys("x_1"));
})();
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