Function tryConvertToIsNotNull

src/storage/predicate/column_predicate.cpp:95–102

}

static std::unique_ptr<ColumnPredicate> tryConvertToIsNotNull(const Expression& column,
    const Expression& predicate) {
    if (isColumnOrCastedColumnRef(*predicate.getChild(0)) && column == *predicate.getChild(0)) {
        return std::make_unique<ColumnNullPredicate>(column.toString(),
            ExpressionType::IS_NOT_NULL);
    }
    return nullptr;
}

std::unique_ptr<ColumnPredicate> ColumnPredicateUtil::tryConvert(const Expression& property,
    const Expression& predicate) {