presto-main/src/main/java/io/prestosql/sql/relational/SqlToRowExpressionTranslator.java/SqlToRowExpressionTranslator/notExpression
class SqlToRowExpressionTranslator:        private RowExpression notExpression(RowExpression value)
        {
            return new CallExpression(
                    metadata.resolveFunction(QualifiedName.of("not"), fromTypes(BOOLEAN)),
                    BOOLEAN,
                    ImmutableList.of(value));
        }