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feat(inspect): Add base class for metadata table support #607
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8a3cab6
feat(inspect): Add base class for metadata table support
All-less 611b031
Update MetadataTable to inherit from StaticTable
All-less acaa891
Update build files to include MetadataTable
All-less d841ad4
Remove unused CreateSchema definitions
All-less fff474f
Update Metadata creation to return unique_ptr
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| #include "iceberg/inspect/history_table.h" | ||
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| #include <memory> | ||
| #include <utility> | ||
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| #include "iceberg/inspect/metadata_table.h" | ||
| #include "iceberg/schema.h" | ||
| #include "iceberg/schema_field.h" | ||
| #include "iceberg/table_identifier.h" | ||
| #include "iceberg/type.h" | ||
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| namespace iceberg { | ||
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| HistoryTable::HistoryTable(std::shared_ptr<Table> table) | ||
| : BaseMetadataTable(table, CreateName(table->name()), CreateSchema()) {} | ||
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| HistoryTable::~HistoryTable() = default; | ||
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| std::shared_ptr<Schema> HistoryTable::CreateSchema() { | ||
| return std::make_shared<Schema>( | ||
| std::vector<SchemaField>{ | ||
| SchemaField::MakeRequired(1, "made_current_at", int64()), | ||
|
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| SchemaField::MakeRequired(2, "snapshot_id", int64()), | ||
| SchemaField::MakeOptional(3, "parent_id", int64()), | ||
| SchemaField::MakeRequired(4, "is_current_ancestor", boolean())}, | ||
| 1); | ||
| } | ||
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| TableIdentifier HistoryTable::CreateName(const TableIdentifier& source_name) { | ||
| return TableIdentifier{source_name.ns, source_name.name + ".history"}; | ||
| } | ||
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| Result<std::shared_ptr<HistoryTable>> HistoryTable::Make(std::shared_ptr<Table> table) { | ||
| return std::shared_ptr<HistoryTable>(new HistoryTable(table)); | ||
| } | ||
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| } // namespace iceberg | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| #pragma once | ||
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| #include <memory> | ||
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| #include "iceberg/iceberg_export.h" | ||
| #include "iceberg/inspect/metadata_table.h" | ||
| #include "iceberg/result.h" | ||
| #include "iceberg/table.h" | ||
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| namespace iceberg { | ||
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| /// \brief History metadata table | ||
| /// | ||
| /// History is based on the table's snapshot log, which logs each update | ||
| /// to the table's current snapshot. Each row has columns: | ||
| /// - made_current_at (long, timestamp) | ||
| /// - snapshot_id (long) | ||
| /// - parent_id (long, optional) | ||
| /// - is_current_ancestor (bool) | ||
| class ICEBERG_EXPORT HistoryTable : public BaseMetadataTable { | ||
| public: | ||
| /// \brief Create a HistoryTable from table metadata | ||
| /// | ||
| /// \param[in] table The source table | ||
| /// \return A HistoryTable instance or error status | ||
| static Result<std::shared_ptr<HistoryTable>> Make(std::shared_ptr<Table> table); | ||
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| ~HistoryTable() override; | ||
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| private: | ||
| HistoryTable(std::shared_ptr<Table> table); | ||
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| std::shared_ptr<Schema> CreateSchema(); | ||
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| TableIdentifier CreateName(const TableIdentifier& source_name); | ||
| }; | ||
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| } // namespace iceberg |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| #include "iceberg/inspect/metadata_table.h" | ||
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| #include <memory> | ||
| #include <string> | ||
| #include <utility> | ||
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| #include "iceberg/file_io.h" | ||
| #include "iceberg/schema.h" | ||
| #include "iceberg/schema_field.h" | ||
| #include "iceberg/table_identifier.h" | ||
| #include "iceberg/table_metadata.h" | ||
| #include "iceberg/table_scan.h" | ||
| #include "iceberg/type.h" | ||
| #include "iceberg/util/uuid.h" | ||
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| namespace iceberg { | ||
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| BaseMetadataTable::BaseMetadataTable(std::shared_ptr<Table> source_table, | ||
| TableIdentifier identifier, | ||
| std::shared_ptr<Schema> schema) | ||
| : Table(identifier, source_table->metadata(), | ||
| std::string(source_table->metadata_file_location()), source_table->io(), | ||
| source_table->catalog()), | ||
| source_table_(std::move(source_table)), | ||
| schema_(schema) { | ||
| uuid_ = Uuid::GenerateV4().ToString(); | ||
| schemas_[schema->schema_id()] = schema; | ||
| } | ||
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| BaseMetadataTable::~BaseMetadataTable() = default; | ||
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| Status BaseMetadataTable::Refresh() { | ||
| return NotSupported("Cannot refresh a metadata table"); | ||
|
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| } | ||
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| Result<std::unique_ptr<TableScanBuilder>> BaseMetadataTable::NewScan() const { | ||
| return NotSupported("TODO: Scanning metadata tables is not yet supported"); | ||
| }; | ||
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| Result<std::shared_ptr<Transaction>> BaseMetadataTable::NewTransaction() { | ||
| return NotSupported("Cannot create a transaction for a metadata table"); | ||
| } | ||
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| Result<std::shared_ptr<UpdateProperties>> BaseMetadataTable::NewUpdateProperties() { | ||
| return NotSupported("Cannot create an update properties for a metadata table"); | ||
| } | ||
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| Result<std::shared_ptr<UpdateSchema>> BaseMetadataTable::NewUpdateSchema() { | ||
| return NotSupported("Cannot create an update schema for a metadata table"); | ||
| } | ||
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| Result<std::shared_ptr<UpdateLocation>> BaseMetadataTable::NewUpdateLocation() { | ||
| return NotSupported("Cannot create an update location for a metadata table"); | ||
| } | ||
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| Result<std::shared_ptr<UpdatePartitionSpec>> BaseMetadataTable::NewUpdatePartitionSpec() { | ||
| return NotSupported("Cannot create an update partition spec for a metadata table"); | ||
| } | ||
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| Result<std::shared_ptr<UpdateSortOrder>> BaseMetadataTable::NewUpdateSortOrder() { | ||
| return NotSupported("Cannot create an update sort order for a metadata table"); | ||
| } | ||
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| Result<std::shared_ptr<ExpireSnapshots>> BaseMetadataTable::NewExpireSnapshots() { | ||
| return NotSupported("Cannot create an expire snapshots for a metadata table"); | ||
| } | ||
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| } // namespace iceberg | ||
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