Rick Hillegas created DERBY-6402:
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Summary: Investigate using the Java 8 java.util.stream.Collector
interface for user-defined aggregates
Key: DERBY-6402
URL: https://issues.apache.org/jira/browse/DERBY-6402
Project: Derby
Issue Type: Improvement
Components: SQL
Affects Versions: 10.11.0.0
Reporter: Rick Hillegas
Java 8 introduces a parallel aggregation interface:
http://download.java.net/jdk8/docs/api/java/util/stream/Collector.html. We
should investigate how we can use this interface to help developers write
user-defined aggregates. It may also help us improve the throughput of Derby
aggregation in general.
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