d98143c5db
Any command sent to the server that exceeds the depth limit will fail. This also prevents users from inserting documents that exceed the depth limit.
46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
/**
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* Inserts documents with an indexed nested array field, progressively increasing the nesting
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* depth until the key is too large to index. This tests that we support at least the minimum
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* supported BSON nesting depth, as well as maintaining index consistency.
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*/
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(function() {
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"use strict";
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function makeNestArr(depth) {
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if (depth == 1) {
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return {a: 1};
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} else if (depth == 2) {
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return {a: [1]};
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} else {
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return {a: [makeNestArr(depth - 2)]};
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}
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}
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let collection = db.arrNestTest;
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collection.drop();
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assert.commandWorked(collection.ensureIndex({a: 1}));
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const kMaxDocumentDepthSoftLimit = 100;
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const kJavaScriptMaxDepthLimit = 150;
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let level;
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for (level = 1; level < kJavaScriptMaxDepthLimit - 3; level++) {
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let res = db.runCommand({insert: collection.getName(), documents: [makeNestArr(level)]});
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if (!res.ok) {
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assert.commandFailedWithCode(
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res, 17280, "Expected insertion to fail only because key is too large to index");
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break;
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}
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}
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assert.gt(level,
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kMaxDocumentDepthSoftLimit,
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"Unable to insert a document nested with " + level +
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" levels, which is less than the supported limit of " +
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kMaxDocumentDepthSoftLimit);
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assert.eq(collection.count(),
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collection.find().hint({a: 1}).itcount(),
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"Number of documents in collection does not match number of entries in index");
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}());
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