298fc23192
Also fixes: - $where reports depending on a full object, disqualifying it from using the column store index. - projection analysis should not remove a projection if we have some match fields that are not needed in the output. This doesn't work yet.
68 lines
2.3 KiB
JavaScript
68 lines
2.3 KiB
JavaScript
// Cannot implicitly shard accessed collections because of not being able to create unique index
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// using hashed shard key pattern.
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// @tags: [
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// cannot_create_unique_index_when_using_hashed_shard_key,
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// # Uses $indexStats which is not supported in a transaction.
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// does_not_support_transactions,
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// ]
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(function() {
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"use strict";
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const coll = db.indexapi;
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coll.drop();
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const kTestKeyPattern = {
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x: 1
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};
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const indexSpecObj = {
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ns: coll._fullName,
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key: kTestKeyPattern,
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name: coll._genIndexName(kTestKeyPattern)
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};
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assert.eq(indexSpecObj, coll._indexSpec(kTestKeyPattern));
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indexSpecObj.name = "bob";
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assert.eq(indexSpecObj, coll._indexSpec(kTestKeyPattern, "bob"));
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indexSpecObj.name = coll._genIndexName(kTestKeyPattern);
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assert.eq(indexSpecObj, coll._indexSpec(kTestKeyPattern));
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indexSpecObj.unique = true;
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assert.eq(indexSpecObj, coll._indexSpec(kTestKeyPattern, true));
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assert.eq(indexSpecObj, coll._indexSpec(kTestKeyPattern, [true]));
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assert.eq(indexSpecObj, coll._indexSpec(kTestKeyPattern, {unique: true}));
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indexSpecObj.dropDups = true;
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assert.eq(indexSpecObj, coll._indexSpec(kTestKeyPattern, [true, true]));
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assert.eq(indexSpecObj, coll._indexSpec(kTestKeyPattern, {unique: true, dropDups: true}));
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function getSingleIndexWithKeyPattern(keyPattern) {
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let allIndexes = coll.aggregate([
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{$indexStats: {}},
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{$match: {key: keyPattern}},
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// Unnest the "$spec" field into top-level.
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{$replaceWith: {$mergeObjects: ["$$ROOT", "$spec"]}}
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])
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.toArray();
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assert.eq(allIndexes.length, 1);
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return allIndexes[0];
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}
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coll.createIndex(kTestKeyPattern, {unique: true});
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let allIndexes = coll.getIndexes();
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assert.eq(2, allIndexes.length);
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assert.sameMembers([kTestKeyPattern, {_id: 1}], allIndexes.map(entry => entry.key));
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let xIndex = getSingleIndexWithKeyPattern(kTestKeyPattern);
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assert.eq(xIndex.key, kTestKeyPattern);
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assert(xIndex.unique, xIndex);
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coll.drop();
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coll.createIndex(kTestKeyPattern, {unique: 1});
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allIndexes = coll.getIndexes();
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assert.eq(2, allIndexes.length);
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xIndex = getSingleIndexWithKeyPattern(kTestKeyPattern);
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assert.eq(kTestKeyPattern, xIndex.key);
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assert(xIndex.unique);
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}());
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