Fokko commented on code in PR #91: URL: https://github.com/apache/iceberg-cpp/pull/91#discussion_r2095483228
########## src/iceberg/manifest_list.h: ########## @@ -0,0 +1,202 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +#pragma once + +/// \file iceberg/manifest_list.h + +#include <cstdint> +#include <optional> +#include <string> +#include <string_view> + +#include "iceberg/iceberg_export.h" +#include "iceberg/result.h" +#include "iceberg/type_fwd.h" + +namespace iceberg { + +/// \brief The type of files tracked by the manifest, either data or delete files; 0 for +/// all v1 manifests +enum class ManifestContent { + /// The manifest content is data. + kData = 0, + /// The manifest content is deletes. + kDeletes = 1, +}; + +/// \brief Get the relative manifest content type name +ICEBERG_EXPORT constexpr std::string_view ManifestContentToString( + ManifestContent type) noexcept { + switch (type) { + case ManifestContent::kData: + return "data"; + case ManifestContent::kDeletes: + return "deletes"; + } +} + +/// \brief Get the relative manifest content type from name +ICEBERG_EXPORT constexpr Result<ManifestContent> ManifestContentFromString( + std::string_view str) noexcept { + if (str == "data") return ManifestContent::kData; + if (str == "deletes") return ManifestContent::kDeletes; + return InvalidArgument("Invalid manifest content type: {}", str); +} + +struct ICEBERG_EXPORT FieldSummary { + /// Field id: 509 + /// Whether the manifest contains at least one partition with a null value for the field + bool contains_null; + /// Field id: 518 + /// Whether the manifest contains at least one partition with a NaN value for the field + std::optional<bool> contains_nan; + /// Field id: 510 + /// Lower bound for the non-null, non-NaN values in the partition field, or null if all + /// values are null or NaN + std::optional<std::vector<uint8_t>> lower_bound; + /// Field id: 511 + /// Upper bound for the non-null, non-NaN values in the partition field, or null if all + /// values are null or NaN + std::optional<std::vector<uint8_t>> upper_bound; + + static const SchemaField CONTAINS_NULL; + static const SchemaField CONTAINS_NAN; + static const SchemaField LOWER_BOUND; + static const SchemaField UPPER_BOUND; + + static StructType GetType(); +}; + +/// \brief Entry in a manifest list. +struct ICEBERG_EXPORT ManifestFile { Review Comment: Our perspective from PyIceberg, we project everything into V2 (and V3 in the future). Many of the fields that are missing for V1 can be set (for example, content can always be set to `data`). Therefore, we did not split this out per version to reduce complexity. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
