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Chaining
chain value Calling chain will cause all future method calls to return wrapped objects. When you’ve finished the computation, call value to retrieve the final value. Here’s an... -
Object
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn propOr has hasIn assoc assocPath lens pickBy clone {*... -
Hive
Hive Iceberg supports reading and writing Iceberg tables through Hive by using a StorageHandler . Feature support The following features matrix illustrates the support for diff... -
Collection
_.countBy(collection, [iteratee=_.identity]) Since Arguments Returns Example _.every(collection, [predicate=_.identity]) Since Arguments Returns Example _.filter(collec... -
Array
_.chunk(array, [size=1]) Since Arguments Returns Example _.compact(array) Since Arguments Returns Example _.concat(array, [values]) Since Arguments Returns Example ... -
Solution for Big Result Sets
Incremental collection Use in single connections Change incremental collection mode in session Typically, when a user submits a SELECT query to Spark SQL engine, the Driver cal... -
环境准备
要使用 Ambari 部署 Hortonworks stack，您需要准备部署环境： 设置无密码 SSH 设置服务用户帐户 在集群和浏览器主机上启用 NTP 检查 DNS 和 NSCD 配置 iptables 禁用 SELinux 和 PackageKit 并检查 umask 值 下载并设置数据库连接器 为 Ranger 配置数据库实例 ... -
Import the custom VDF into Ambari
Next Step More Information To import the custom VDF into Ambari, follow these steps: In the cluster install wizard, Select Version step, click the drop down with the HDP vers... -
Object
clone values eqProps keys omit pick pickAll project prop props where keysIn path valuesIn clone {*} → {*} Parameters valueThe object or array to clone Return... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq maxBy minBy countBy (a → String) → [a] → {*} Paramet...
