ArrayFunctionUtils.java

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

import org.apache.doris.nereids.exceptions.AnalysisException;
import org.apache.doris.nereids.trees.expressions.Expression;
import org.apache.doris.nereids.types.ArrayType;
import org.apache.doris.nereids.types.DataType;

/** Argument validation shared by array functions. */
final class ArrayFunctionUtils {
    private ArrayFunctionUtils() {
    }

    static void checkNoVarBinaryArguments(ScalarFunction function) {
        // Inspect original arguments before coercion can hide unsupported binary comparison/hash inputs.
        for (Expression argument : function.getArguments()) {
            DataType type = argument.getDataType();
            while (type instanceof ArrayType) {
                type = ((ArrayType) type).getItemType();
            }
            if (type.isVarBinaryType()) {
                throw new AnalysisException(function.getName() + " does not support VARBINARY arguments");
            }
        }
    }
}