Files
mongo/jstests/core/index_partial_create_drop.js

69 lines
3.0 KiB
JavaScript

// Test partial index creation and drops.
(function() {
"use strict";
var isMongos = (db.runCommand("isMaster").msg === "isdbgrid");
var coll = db.index_partial_create_drop;
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() + ".$" + idxName];
};
coll.drop();
// Check bad filter spec on create.
assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: 5}));
assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: {x: {$asdasd: 3}}}));
assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: {$and: 5}}));
assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: {x: /abc/}}));
assert.commandFailed(coll.ensureIndex({x: 1},
{partialFilterExpression: {$and: [
{$and: [{x: {$lt: 2}}, {x: {$gt: 0}}]},
{x: {$exists: true}}]}}));
for (var i = 0; i < 10; i++) {
assert.writeOK(coll.insert({x: i, a: i}));
}
// Create partial index.
assert.commandWorked(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: {$lt: 5}}}));
assert.eq(5, getNumKeys("x_1"));
assert.commandWorked(coll.dropIndex({x: 1}));
assert.eq(1, coll.getIndexes().length);
// Create partial index in background.
assert.commandWorked(coll.ensureIndex({x: 1}, {background: true,
partialFilterExpression: {a: {$lt: 5}}}));
assert.eq(5, getNumKeys("x_1"));
assert.commandWorked(coll.dropIndex({x: 1}));
assert.eq(1, coll.getIndexes().length);
// Create complete index, same key as previous indexes.
assert.commandWorked(coll.ensureIndex({x: 1}));
assert.eq(10, getNumKeys("x_1"));
assert.commandWorked(coll.dropIndex({x: 1}));
assert.eq(1, coll.getIndexes().length);
// Partial indexes can't also be sparse indexes.
assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: 1}, sparse: true}));
assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: 1}, sparse: 1}));
assert.commandWorked(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: 1},
sparse: false}));
assert.eq(2, coll.getIndexes().length);
assert.commandWorked(coll.dropIndex({x: 1}));
assert.eq(1, coll.getIndexes().length);
// SERVER-18858: Verify that query compatible w/ partial index succeeds after index drop.
assert.commandWorked(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: {$lt: 5}}}));
assert.commandWorked(coll.dropIndex({x: 1}));
assert.eq(1, coll.find({x: 0, a: 0}).itcount());
})();