DereferenceExpression.java

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

import org.apache.doris.nereids.analyzer.Unbound;
import org.apache.doris.nereids.trees.expressions.functions.PropagateNullable;
import org.apache.doris.nereids.trees.expressions.literal.StringLiteral;
import org.apache.doris.nereids.trees.expressions.shape.BinaryExpression;
import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;

import com.google.common.collect.ImmutableList;

/** DereferenceExpression*/
public class DereferenceExpression extends Expression implements BinaryExpression, PropagateNullable, Unbound {
    public final String fieldName;

    public DereferenceExpression(Expression expression, StringLiteral fieldName) {
        super(ImmutableList.of(expression, fieldName));
        this.fieldName = fieldName.getValue();
    }

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