OrthogonalBitmapIntersect.java

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package org.apache.doris.nereids.trees.expressions.functions.agg;

import org.apache.doris.catalog.FunctionSignature;
import org.apache.doris.nereids.trees.expressions.Expression;
import org.apache.doris.nereids.trees.expressions.functions.BitmapIntersectFunction;
import org.apache.doris.nereids.trees.expressions.functions.scalar.BitmapEmpty;
import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
import org.apache.doris.nereids.types.BitmapType;
import org.apache.doris.nereids.util.ExpressionUtils;

import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;

import java.util.List;

/**
 * AggregateFunction 'orthogonal_bitmap_intersect'. This class is generated by GenerateFunction.
 */
public class OrthogonalBitmapIntersect extends NotNullableAggregateFunction
        implements OrthogonalBitmapFunction, BitmapIntersectFunction {

    static final List<FunctionSignature> FUNCTION_SIGNATURES = SUPPORTED_TYPES.stream()
            .map(type -> FunctionSignature.ret(BitmapType.INSTANCE).varArgs(BitmapType.INSTANCE, type, type))
            .collect(ImmutableList.toImmutableList());

    /**
     * constructor with 3 or more arguments.
     */
    public OrthogonalBitmapIntersect(Expression arg0, Expression arg1, Expression arg2, Expression... varArgs) {
        super("orthogonal_bitmap_intersect", ExpressionUtils.mergeArguments(arg0, arg1, arg2, varArgs));
    }

    /**
     * constructor with 3 or more arguments.
     */
    public OrthogonalBitmapIntersect(boolean distinct, Expression arg0, Expression arg1,
            Expression arg2, Expression... varArgs) {
        super("orthogonal_bitmap_intersect", distinct,
                ExpressionUtils.mergeArguments(arg0, arg1, arg2, varArgs));
    }

    @Override
    public List<FunctionSignature> getSignatures() {
        return FUNCTION_SIGNATURES;
    }

    /**
     * withDistinctAndChildren.
     */
    @Override
    public OrthogonalBitmapIntersect withDistinctAndChildren(boolean distinct, List<Expression> children) {
        Preconditions.checkArgument(children.size() >= 3);
        return new OrthogonalBitmapIntersect(distinct, children.get(0), children.get(1), children.get(2),
                children.subList(3, children.size()).toArray(new Expression[0]));
    }

    @Override
    public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
        return visitor.visitOrthogonalBitmapIntersect(this, context);
    }

    @Override
    public Expression resultForEmptyInput() {
        return new BitmapEmpty();
    }
}