8758a5c7be
This provides a way to do pre-parse validity checks. Full parsing of the Pipeline must be done under the collection lock, when the collation is known.
28 lines
763 B
JavaScript
28 lines
763 B
JavaScript
// Providing the wrong number of fields in a pipeline stage specification triggers a parsing error.
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// SERVER-6861
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load('jstests/aggregation/extras/utils.js');
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t = db.jstests_server6861;
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t.drop();
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t.save({a: 1});
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function assertCode(code, expression) {
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assertErrorCode(t, expression, code);
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}
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function assertResult(result, expression) {
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assert.eq(result, t.aggregate(expression).toArray());
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}
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// Correct number of fields.
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assertResult([{a: 1}], {$project: {_id: 0, a: 1}});
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// Incorrect number of fields.
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assertCode(40323, {});
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assertCode(40323, {$project: {_id: 0, a: 1}, $group: {_id: 0}});
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assertCode(40323, {$project: {_id: 0, a: 1}, $group: {_id: 0}, $sort: {a: 1}});
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// Invalid stage specification.
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assertCode(40324, {$noSuchStage: {a: 1}});
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