ScalarFunction.java
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package org.apache.doris.nereids.trees.expressions.functions.scalar;
import org.apache.doris.nereids.trees.expressions.Expression;
import org.apache.doris.nereids.trees.expressions.functions.BoundFunction;
import org.apache.doris.nereids.trees.expressions.functions.ComputeSignature;
import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
import java.util.List;
/**
* The function which consume zero or more arguments in a row and product one value.
*/
public abstract class ScalarFunction extends BoundFunction implements ComputeSignature {
public ScalarFunction(String name, Expression... arguments) {
super(name, arguments);
}
public ScalarFunction(String name, List<Expression> arguments) {
this(name, arguments, false);
}
public ScalarFunction(String name, List<Expression> arguments, boolean inferred) {
super(name, arguments, inferred);
}
@Override
public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
return visitor.visitScalarFunction(this, context);
}
}