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QuestDB is high performance SQL time series database

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 *  Copyright (c) 2014-2019 Appsicle
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package io.questdb.cairo.sql.async;

import io.questdb.cairo.sql.PageFrameMemoryRecord;
import io.questdb.cairo.sql.SqlExecutionCircuitBreaker;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

@FunctionalInterface
public interface PageFrameReducer {
    void reduce(
            int workerId,
            @NotNull PageFrameMemoryRecord record,
            @NotNull PageFrameReduceTask task,
            @NotNull SqlExecutionCircuitBreaker circuitBreaker,
            @Nullable PageFrameSequence stealingFrameSequence
    );
}