FromSecondMonotonic.java

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

import org.apache.doris.nereids.trees.expressions.literal.BigIntLiteral;
import org.apache.doris.nereids.trees.expressions.literal.Literal;

/** monotonicity for from_{xx}second */
public interface FromSecondMonotonic extends Monotonic {
    @Override
    default boolean isMonotonic(Literal lower, Literal upper) {
        if (lower instanceof BigIntLiteral) {
            return ((BigIntLiteral) lower).getValue() >= 0;
        }
        return false;
    }

    @Override
    default boolean isPositive() {
        return true;
    }

    @Override
    default int getMonotonicFunctionChildIndex() {
        return 0;
    }
}