[SPARK-30423] Deprecate UserDefinedAggregateFunction

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Target Version/s: 3.0.0
• Assignee: Erik Erlandson
• Reporter: Erik Erlandson
• Created: 05/Jan/20 17:34
• Updated: 15/Jun/20 21:24
• Resolved: 14/Jan/20 14:08

Description

Anticipating the merging of SPARK-27296, the legacy methodology for implementing custom user defined aggregators over untyped DataFrame based on UserDefinedAggregateFunction will be made obsolete. This class should be annotated as deprecated once the new capability is officially merged.

Issue Links

• is duplicated by: SPARK-30422 deprecate UserDefinedAggregateFunction in favor of SPARK-27296
• is related to: SPARK-30520 Eliminate deprecation warnings for UserDefinedAggregateFunction
• is related to: SPARK-27296 Efficient User Defined Aggregators
• relates to: SPARK-27296 Efficient User Defined Aggregators
• links to: GitHub Pull Request #27193