# Package org.apache.ignite.internal.processors.cache.query.reducer

Class Summary
CacheQueryReducer<T>: This abstract class is base class for cache query reducers.
IndexQueryReducer<R>: Reducer for `IndexQuery` results.
NodePage<R>: Represents a single page with results of cache query from single node.
NodePageStream<R>: This class provides an interface `NodePageStream.headPage()` that returns a future will be completed with `NodePage` of cache query result from single node.
TextQueryReducer<R>: Reducer for `TextQuery` results.
UnsortedCacheQueryReducer<R>: Reducer of cache query results, no ordering of results is provided.

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Ignite Database and Caching Platform | : ver. 2.12.0
Release Date | : January 10 2022