[SPARK-37584] New SQL function: map_contains_key

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.0
• Component/s: SQL
• Epic Link: New functions in Spark SQL 3.3
• Assignee: Apache Spark
• Reporter: Gengliang Wang
• Created: 08/Dec/21 12:09
• Updated: 04/Apr/22 09:24
• Resolved: 09/Dec/21 14:44

Description

Add a new function map_contains_key, which returns true if the map contains the key

Examples:
> SELECT map_contains_key(map(1, 'a', 2, 'b'), 1);
true
> SELECT map_contains_key(map(1, 'a', 2, 'b'), 3);
false

Issue Links

• links to: [Github] Pull Request #34836 (gengliangwang)