[SPARK-21300] ExternalMapToCatalyst should null-check map key prior to converting to internal value.

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.2.1, 2.3.0
• Component/s: SQL
• Assignee: Takuya Ueshin
• Reporter: Takuya Ueshin
• Created: 04/Jul/17 07:08
• Updated: 05/Jul/17 03:26
• Resolved: 05/Jul/17 03:26

Description

ExternalMapToCatalyst should null-check map key prior to converting to internal value to throw an appropriate Exception instead of something like NPE.

Issue Links

• links to: [Github] Pull Request #18524 (ueshin)