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/*
* SERVER-6121: aggregation framework converts Timestamp to long long in result set
*
* This test validates the SERVER-6121 ticket. Add support for timestamps to Aggregation and
* ensure they can do everything dates can. Previously timestamps were awkwardly used as dates
* and long longs.
*/
/*
* 1) Clear and create testing db
* 2) Run an aggregation with all date expressions on a timestamp and a date
* 3) Run an aggregation that will show timestamp and date can be compared
* 4) Run an aggregation comparing two timestamps to show inc matters
*/
// load test utilities
load('jstests/aggregation/extras/utils.js');
// Clear db
db.s6121.drop();
// Populate db
db.s6121.save({date:new Timestamp(1341337661, 1)});
db.s6121.save({date:new Date(1341337661000)});
// Aggregate checking various combinations of the constant and the field
var s6121 = db.s6121.aggregate(
{$project: {
_id: 0,
dayOfMonth: {$dayOfMonth: '$date'},
dayOfWeek: {$dayOfWeek: '$date'},
dayOfYear: {$dayOfYear: '$date'},
hour: {$hour: '$date'},
minute: {$minute: '$date'},
month: {$month: '$date'},
second: {$second: '$date'},
week: {$week: '$date'},
year: {$year: '$date'}
}}
);
// Assert the two entries are equal
assert.eq(s6121.result[0], s6121.result[1], 's6121 failed');
// Clear db for timestamp to date compare test
// For historical reasons the compare the same if they are the same 64-bit representation.
// That means that the Timestamp has an "inc" that is the same as the Date has millis.
db.s6121.drop();
db.s6121.save({time:new Timestamp( 0, 1234), date:new Date(1234)});
db.s6121.save({time:new Timestamp( 1, 1234), date:new Date(1234)});
printjson(db.s6121.find().toArray());
var s6121 = db.s6121.aggregate(
{$project: {
_id: 0,
// comparison is different code path based on order (same as in bson)
ts_date: {$eq: ['$time', '$date']},
date_ts: {$eq: ['$date', '$time']}
}}
);
assert.eq(s6121.result, [{ts_date: true, date_ts: true}
,{ts_date: false, date_ts: false}]);
// Clear db for timestamp comparison tests
db.s6121.drop();
db.s6121.save({time:new Timestamp(1341337661, 1), time2:new Timestamp(1341337661, 2)});
var s6121 = db.s6121.aggregate(
{$project: {
_id: 0,
cmp: {$cmp: ['$time', '$time2']},
eq: {$eq: ['$time', '$time2']},
gt: {$gt: ['$time', '$time2']},
gte: {$gte: ['$time', '$time2']},
lt: {$lt: ['$time', '$time2']},
lte: {$lte: ['$time', '$time2']},
ne: {$ne: ['$time', '$time2']}
}}
);
var s6121result = [{
cmp: -1,
eq: false,
gt: false,
gte: false,
lt: true,
lte: true,
ne: true
}];
// Assert the results are as expected
assert.eq(s6121.result, s6121result, 's6121 failed comparing two timestamps');
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