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'use strict';
/**
* indexed_insert_2d.js
*
* Inserts documents into an indexed collection and asserts that the documents
* appear in both a collection scan and an index scan. The indexed value is a
* legacy coordinate pair, indexed with a 2d index.
*/
load('jstests/concurrency/fsm_libs/extend_workload.js'); // for extendWorkload
load('jstests/concurrency/fsm_workloads/indexed_insert_base.js'); // for $config
var $config = extendWorkload($config, function($config, $super) {
$config.data.indexedField = 'indexed_insert_2d';
// Remove the shard key for 2d indexes, as they are not supported
delete $config.data.shardKey;
$config.states.init = function init(db, collName) {
$super.states.init.apply(this, arguments);
assertAlways.lt(this.tid, 1 << 16); // assume tid is a 16 bit nonnegative int
// split the tid into the odd bits and the even bits
// for example:
// tid: 57 = 00111001
// even: 0 1 0 1 = 5
// odd: 0 1 1 0 = 6
// This lets us turn every tid into a unique pair of numbers within the range [0, 255].
// The pairs are then normalized to have valid longitude and latitude values.
var oddBits = 0;
var evenBits = 0;
for (var i = 0; i < 16; ++i) {
if (this.tid & 1 << i) {
if (i % 2 === 0) {
// i is even
evenBits |= 1 << (i / 2);
} else {
// i is odd
oddBits |= 1 << (i / 2);
}
}
}
assertAlways.lt(oddBits, 256);
assertAlways.lt(evenBits, 256);
this.indexedValue = [(evenBits - 128) / 2, (oddBits - 128) / 2];
};
$config.data.getIndexSpec = function getIndexSpec() {
var ixSpec = {};
ixSpec[this.indexedField] = '2d';
return ixSpec;
};
return $config;
});
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