[CALCITE-5734] Add ARRAY_COMPACT for Spark dialect

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.35.0
• Fix Version/s: 1.35.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Jacky Lau
• Reporter: Jacky Lau
• Created: 30/May/23 12:06
• Updated: 01/Sep/23 01:19
• Resolved: 31/May/23 17:28

Description

array_compact(array) - Removes null values from the array.

Examples:

 

> SELECT array_compact(array(1, 2, 3, null));

{{ [1,2,3]}}

> SELECT array_compact(array("a", "b", "c"));

{{ ["a","b","c"]}}

Issue Links

• relates to: CALCITE-5961 Type inference of ARRAY_COMPACT is incorrect
• links to: GitHub Pull Request #3233