Function get_default_value_for_null

cpp/deeplake_pg/table_storage.cpp:75–99

Helper function to get default value for NULL numeric/scalar columns

// Helper function to get default value for NULL numeric/scalar columns
nd::array get_default_value_for_null(Oid base_typeid)
{
    switch (base_typeid) {
    case INT2OID:
        return nd::adapt(static_cast<int16_t>(0));
    case INT4OID:
    case DATEOID:
        return nd::adapt(static_cast<int32_t>(0));
    case TIMEOID:
    case TIMESTAMPOID:
    case TIMESTAMPTZOID:
    case INT8OID:
        return nd::adapt(static_cast<int64_t>(0));
    case FLOAT4OID:
        return nd::adapt(static_cast<float>(0.0));
    case NUMERICOID:
    case FLOAT8OID:
        return nd::adapt(static_cast<double>(0.0));
    case BOOLOID:
        return nd::adapt(false);
    default:
        // For non-numeric types, use nd::none
        return nd::none(nd::dtype::unknown, 0);
    }
}

void convert_pg_to_nd(const pg::table_data& table_data,
                      const std::vector<Datum>& values,