429ce07506
predicate when 'x' is missing This is a partial fix - only a simple cases are convered. The more complex cases (arrays and traversals) will be covered in the next commit.
35 lines
797 B
JavaScript
35 lines
797 B
JavaScript
// Test sorting with skipping and multiple candidate query plans.
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(function() {
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"use strict";
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const coll = db.jstests_sortc;
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coll.drop();
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assert.commandWorked(coll.insert({a: 1}));
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assert.commandWorked(coll.insert({a: 2}));
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function checkA(a, sort, skip, query) {
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query = query || {};
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assert.eq(a, coll.find(query).sort(sort).skip(skip)[0].a);
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}
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function checkSortAndSkip() {
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checkA(1, {a: 1}, 0);
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checkA(2, {a: 1}, 1);
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checkA(1, {a: 1}, 0, {a: {$gt: 0}, b: null});
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checkA(2, {a: 1}, 1, {a: {$gt: 0}, b: null});
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checkA(2, {a: -1}, 0);
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checkA(1, {a: -1}, 1);
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checkA(2, {a: -1}, 0, {a: {$gt: 0}, b: null});
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checkA(1, {a: -1}, 1, {a: {$gt: 0}, b: null});
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}
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checkSortAndSkip();
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assert.commandWorked(coll.createIndex({a: 1}));
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checkSortAndSkip();
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}());
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