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// Cannot implicitly shard accessed collections because renameCollection command not supported
// on sharded collections.
// @tags: [assumes_unsharded_collection, requires_non_retryable_commands, requires_fastcount]
(function() {
'use strict';
let collName = 'system_indexes_invalidations';
let collNameRenamed = 'renamed_collection';
let coll = db[collName];
let collRenamed = db[collNameRenamed];
function testIndexInvalidation(isRename) {
coll.drop();
collRenamed.drop();
assert.commandWorked(coll.createIndexes([{a: 1}, {b: 1}, {c: 1}]));
// Get the first two indexes.
let cmd = {listIndexes: collName};
Object.extend(cmd, {batchSize: 2});
let res = db.runCommand(cmd);
assert.commandWorked(res, 'could not run ' + tojson(cmd));
printjson(res);
// Ensure the cursor has data, rename or drop the collection, and exhaust the cursor.
let cursor = new DBCommandCursor(db, res);
let errMsg = 'expected more data from command ' + tojson(cmd) + ', with result ' + tojson(res);
assert(cursor.hasNext(), errMsg);
if (isRename) {
assert.commandWorked(coll.renameCollection(collNameRenamed));
} else {
assert(coll.drop());
}
assert.gt(cursor.itcount(), 0, errMsg);
}
// Test that we invalidate indexes for both collection drops and renames.
testIndexInvalidation(false);
testIndexInvalidation(true);
}());
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