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'use strict';
/*
* yield_and_sorted.js (extends yield_rooted_or.js)
*
* Intersperse queries which use the AND_SORTED stage with updates and deletes of documents they
* may match.
*/
load('jstests/concurrency/fsm_libs/extend_workload.js'); // for extendWorkload
load('jstests/concurrency/fsm_workloads/yield_rooted_or.js'); // for $config
var $config = extendWorkload(
$config,
function($config, $super) {
/*
* Issue a query that will use the AND_SORTED stage. This is a little tricky, so use
* stagedebug to force it to happen. Unfortunately this means it can't be batched.
*/
$config.states.query = function andSorted(db, collName) {
// Not very many docs returned in this, so loop to increase chances of yielding in the
// middle.
for (var i = 0; i < 100; i++) {
// Construct the query plan: two ixscans under an andSorted.
// Scan a == 0
var ixscan1 = {
ixscan: {
args: {
name: 'stages_and_sorted',
keyPattern: {c: 1},
startKey: {'': 0},
endKey: {'': 0},
endKeyInclusive: false,
direction: 1
}
}
};
// Scan b == this.nDocs
var ixscan2 = {
ixscan: {
args: {
name: 'stages_and_sorted',
keyPattern: {d: 1},
startKey: {'': this.nDocs},
endKey: {'': this.nDocs},
endKeyInclusive: false,
direction: -1
}
}
};
// Intersect the two
var andix1ix2 = {
andSorted: {args: {nodes: [ixscan1, ixscan2]}}
};
var res = db.runCommand({stageDebug: {collection: collName, plan: andix1ix2}});
assertAlways.commandWorked(res);
for (var j = 0; j < res.results.length; j++) {
var result = res.results[j];
// These should always be true, since they're just verifying that the results
// match
// the query predicate.
assertAlways.eq(result.c, 0);
assertAlways.eq(result.d, this.nDocs);
}
}
};
return $config;
});
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