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In ArangoDB 2.5, hash and skiplist indexes can optionally be made sparse.
Such sparse indexes will exclude documents in which at least one of the index attributes is either not set or has a value of null. Declaring an index as sparse can provide great savings in memory and index creation CPU time for some cases.
For example, the following document only has attributes _key and name:
{ "_key" : "test", "name" : "foobar" }
In a sparse index on (non-existing) attribute value, the above document will simply be ignored. And in a..
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A maintenance release for ArangoDB 2.4.2 is available for download or via your favourite package manager.
v2.4.2 (2015-01-30)
- added custom visitor functionality for AQL traversals
This allows more complex result processing in traversals triggered by AQL. A few examples are shown in this article.
- improved number of results estimated for nodes of type
EnumerateListNodeandSubqueryNodein AQL explain output
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We are proud to announce the release of Version 2.4 of our multi-model database ArangoDB. It’s ready for download now and available for all major platforms.
This release is a major step forward. Use Foxx to create your favorite microservice with a few clicks, dockerize it and access it via a REST/Web API from everywhere. – Dr. Frank Celler (CTO)
You can now use EcmaScript 6 features like iterators, symbols, maps and sets by default and enable even more ES6 features with ArangoDB start options. The V8 engine upgrade in..
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This version is deprecated. Download the new version of ArangoDB
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This version is deprecated. Download the new version of ArangoDB
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