algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/expressions/IMergeAggregationExpressionFactory.java

package edu.uci.ics.hyracks.algebricks.core.algebra.expressions;

import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;

public interface IMergeAggregationExpressionFactory {
    ILogicalExpression createMergeAggregation(ILogicalExpression expr, IOptimizationContext env)
            throws AlgebricksException;
}