39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
// check that we don't crash if an index used by an earlier or clause is dropped
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// Dropping an index kills all cursors on the indexed namespace, not just those
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// cursors using the dropped index. This test is to serve as a reminder that
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// the $or implementation may need minor adjustments (memory ownership) if this
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// behavior is changed.
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(function() {
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const t = db.jstests_ord;
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t.drop();
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t.ensureIndex({a: 1});
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t.ensureIndex({b: 1});
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for (i = 0; i < 80; ++i) {
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t.save({a: 1});
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}
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for (i = 0; i < 100; ++i) {
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t.save({b: 1});
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}
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const c = t.find({$or: [{a: 1}, {b: 1}]}).batchSize(100);
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for (i = 0; i < 100; ++i) {
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c.next();
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}
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// At this point, our initial query has ended and there is a client cursor waiting
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// to read additional documents from index {b:1}. Deduping is performed against
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// the index key {a:1}.
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t.dropIndex({a: 1});
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// Dropping an index kills all cursors on the indexed namespace, not just those
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// cursors using the dropped index.
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assert.throws(function() {
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c.next();
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});
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})();
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