[SPARK-24042] High-order function: zip_with_index

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 2.4.0
• Component/s: SQL
• Assignee: Unassigned
• Reporter: Marek Novotny
• Created: 21/Apr/18 12:26
• Updated: 30/Sep/23 08:08
• Resolved: 09/Aug/18 10:08

Description

Implement function zip_with_index(array[, indexFirst]) that transforms the input array by encapsulating elements into pairs with indexes indicating the order.

Examples:
zip_with_index(array("d", "a", null, "b")) => [("d",0),("a",1),(null,2),("b",3)]
zip_with_index(array("d", "a", null, "b"), true) => [(0,"d"),(1,"a"),(2,null),(3,"b")]

Issue Links

• relates to: SPARK-23074 Dataframe-ified zipwithindex
• links to: [Github] Pull Request #21121 (mn-mikke)