44 lines
1.6 KiB
JavaScript
44 lines
1.6 KiB
JavaScript
'use strict';
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/**
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* indexed_insert_large.js
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*
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* Inserts multiple documents into an indexed collection. Asserts that all
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* documents appear in both a collection scan and an index scan. The indexed
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* value is a string large enough to make the whole index key be 1K, which is
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* the maximum.
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*/
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load('jstests/concurrency/fsm_libs/extend_workload.js'); // for extendWorkload
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load('jstests/concurrency/fsm_workloads/indexed_insert_base.js'); // for $config
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var $config = extendWorkload($config, function($config, $super) {
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$config.data.indexedField = 'indexed_insert_large';
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// Remove the shard key, since it cannot be greater than 512 bytes
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delete $config.data.shardKey;
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$config.states.init = function init(db, collName) {
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$super.states.init.apply(this, arguments);
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// "The total size of an index entry, which can include structural overhead depending on the
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// BSON type, must be less than 1024 bytes."
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// http://docs.mongodb.org/manual/reference/limits/
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var maxIndexedSize = 1023;
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var bsonOverhead = Object.bsonsize({ '': '' });
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var bigstr = new Array(maxIndexedSize + 1).join('x');
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// prefix the big string with tid to make it unique,
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// then trim it down so that it plus bson overhead is maxIndexedSize
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this.indexedValue = (this.tid + bigstr).slice(0, maxIndexedSize - bsonOverhead);
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assertAlways.eq(maxIndexedSize, Object.bsonsize({ '': this.indexedValue }),
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'buggy test: the inserted docs will not have the expected index-key size');
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};
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return $config;
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});
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