--- title: ArangoDB 1.4.9 - ArangoDB description: This version is deprecated. Download the new version of ArangoDB A bug-fix release is available v1.4.9 (2014-02-07) ——————- * return a document’s current etag in response header for HTTP HEAD requests on documents that return an HTTP 412 (precondition failed) error. This allows retrieving the document’s current revision easily. * added AQL function `SKIPLIST` to… --- ArangoDB 3.12 Product Release Announcement! Read the blog for details. 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[Download the new version](https://www.arangodb.com/download) of ArangoDB* A bug-fix release is available ``` v1.4.9 (2014-02-07) ------------------- * return a document's current etag in response header for HTTP HEAD requests on documents that return an HTTP 412 (precondition failed) error. This allows retrieving the document's current revision easily. * added AQL function `SKIPLIST` to directly access skiplist indexes from AQL This is a shortcut method to use a skiplist index for retrieving specific documents in indexed order. The function capability is rather limited, but it may be used for several cases to speed up queries. The documents are returned in index order if only one condition is used. /* return all documents with mycollection.created > 12345678 */ FOR doc IN SKIPLIST(mycollection, { created: [[ '>', 12345678 ]] }) RETURN doc /* return first document with mycollection.created > 12345678 */ FOR doc IN SKIPLIST(mycollection, { created: [[ '>', 12345678 ]] }, 0, 1) RETURN doc /* return all documents with mycollection.created between 12345678 and 123456790 */ FOR doc IN SKIPLIST(mycollection, { created: [[ '>', 12345678 ], [ '<=', 123456790 ]] }) RETURN doc /* return all documents with mycollection.a equal 1 and .b equal 2 */ FOR doc IN SKIPLIST(mycollection, { a: [[ '==', 1 ]], b: [[ '==', 2 ]] }) RETURN doc The function requires a skiplist index with the exact same attributes to be present on the specified colelction. All attributes present in the skiplist index must be specified in the conditions specified for the `SKIPLIST` function. Attribute declaration order is important, too: attributes must be specified in the same order in the condition as they have been declared in the skiplist index. * added command-line option `--server.disable-authentication-unix-sockets` with this option, authentication can be disabled for all requests coming in via UNIX domain sockets, enabling clients located on the same host as the ArangoDB server to connect without authentication. Other connections (e.g. TCP/IP) are not affected by this option. The default value for this option is `false`. Note: this option is only supported on platforms that support Unix domain sockets. * fail if invalid `strategy`, `order` or `itemOrder` attribute values are passed to the AQL TRAVERSAL function. Omitting these attributes is not considered an error, but specifying an invalid value for any of these attributes will make an AQL query fail. * call global arangod instance destructor on shutdown * issue #755: TRAVERSAL does not use strategy, order and itemOrder options these options were not honored when configuring a traversal via the AQL TRAVERSAL function. Now, these options are used if specified. * allow vertex and edge filtering with user-defined functions in TRAVERSAL, TRAVERSAL_TREE and SHORTEST_PATH AQL functions: // using user-defined AQL functions for edge and vertex filtering RETURN TRAVERSAL(friends, friendrelations, "friends/john", "outbound", { followEdges: "myfunctions::checkedge", filterVertices: "myfunctions::checkvertex" }) // using the following custom filter functions var aqlfunctions = require("org/arangodb/aql/functions"); aqlfunctions.register("myfunctions::checkedge", function (config, vertex, edge, path) { return (edge.type !== 'dislikes'); // don't follow these edges }, false); aqlfunctions.register("myfunctions::checkvertex", function (config, vertex, path) { if (vertex.isDeleted || ! vertex.isActive) { return [ "prune", "exclude" ]; // exclude these and don't follow them } return [ ]; // include everything else }, false); * issue #748: add vertex filtering to AQL's TRAVERSAL[_TREE]() function ``` [Twitter](https://twitter.com/intent/tweet?url=https://blog.arangodb.com/blog/2014/02/arangodb-1-4-9) [LinkedIn](http://www.linkedin.com/shareArticle?mini=true&url=https://blog.arangodb.com/blog/2014/02/arangodb-1-4-9) [Reddit](https://www.reddit.com/share?url=https://blog.arangodb.com/blog/2014/02/arangodb-1-4-9) [Yahoo](https://plus.google.com/share?url=https://blog.arangodb.com/blog/2014/02/arangodb-1-4-9%3Futm_medium%3Dsocial%26utm_source%3Dgoogle_plus) ![Picture of Frank Celler](https://blog.arangodb.com/hubfs/Imported_Blog_Media/Authors/Author-avatar.png) February 13, 2014 , [Frank Celler](https://blog.arangodb.com/blog/author/frank-celler) Frank is both entrepreneur and backend developer, developing mostly memory databases for two decades. He is the CTO and co-founder of ArangoDB. Try to challenge Frank asking him questions on C, C++ and MRuby. Besides Frank organizes Cologne’s NoSQL group & is an active member of NoSQL community. ### Leave a Comment Tags - [General](https://blog.arangodb.com/blog/topic/general) - [Release](https://blog.arangodb.com/blog/topic/release) - [Community](https://blog.arangodb.com/blog/topic/community) - [Releases](https://blog.arangodb.com/blog/topic/releases) - [Performance](https://blog.arangodb.com/blog/topic/performance) - [Tutorial](https://blog.arangodb.com/blog/topic/tutorial) - [Foxx](https://blog.arangodb.com/blog/topic/foxx) - [AQL](https://blog.arangodb.com/blog/topic/aql) - [API](https://blog.arangodb.com/blog/topic/api) - [Newsletter](https://blog.arangodb.com/blog/topic/newsletter) - [Cluster](https://blog.arangodb.com/blog/topic/cluster) - [Graph](https://blog.arangodb.com/blog/topic/graph) - [Graphs](https://blog.arangodb.com/blog/topic/graphs) - [Documentation](https://blog.arangodb.com/blog/topic/documentation) - [Javascript](https://blog.arangodb.com/blog/topic/javascript) - [Query Language](https://blog.arangodb.com/blog/topic/query-language) - 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