Files
mongo/jstests/core/exists2.js

21 lines
553 B
JavaScript

/**
* @tags: [
* sbe_incompatible,
* ]
*/
t = db.exists2;
t.drop();
t.save({a: 1, b: 1});
t.save({a: 1, b: 1, c: 1});
assert.eq(2, t.find().itcount(), "A1");
assert.eq(2, t.find({a: 1, b: 1}).itcount(), "A2");
assert.eq(1, t.find({a: 1, b: 1, c: {"$exists": true}}).itcount(), "A3");
assert.eq(1, t.find({a: 1, b: 1, c: {"$exists": false}}).itcount(), "A4");
t.ensureIndex({a: 1, b: 1, c: 1});
assert.eq(1, t.find({a: 1, b: 1, c: {"$exists": true}}).itcount(), "B1");
assert.eq(1, t.find({a: 1, b: 1, c: {"$exists": false}}).itcount(), "B2");