[C++][Parquet] Writer cannot add extra key-value metadata once opened #34888
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### Rationale for this change Parquet specs support storing key-value metadata provided by the user. However, the parquet-cpp writer can only set it via ParquetFileWriter::Open(). Sometimes user may want to add extra information to it while writing. So it is good to support adding extra key-value metadata any time before closing the file writer. ### What changes are included in this PR? Add a new interface `void AddKeyValueMetadata(std::shared_ptr<const KeyValueMetadata> key_value_metadata)` to the `ParquetFileWriter` class. User can now add more key-value metadata to the file if not closed. ### Are these changes tested? Added a new `Metadata.TestAddKeyValueMetadata` test to verify key-value metadata added before closing the writer are well preserved. ### Are there any user-facing changes? Yes, user can add custom key-value metadata whenever writer is not closed. * Closes: #34888 Lead-authored-by: Gang Wu <[email protected]> Co-authored-by: Will Jones <[email protected]> Signed-off-by: Will Jones <[email protected]>
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### Rationale for this change Parquet specs support storing key-value metadata provided by the user. However, the parquet-cpp writer can only set it via ParquetFileWriter::Open(). Sometimes user may want to add extra information to it while writing. So it is good to support adding extra key-value metadata any time before closing the file writer. ### What changes are included in this PR? Add a new interface `void AddKeyValueMetadata(std::shared_ptr<const KeyValueMetadata> key_value_metadata)` to the `ParquetFileWriter` class. User can now add more key-value metadata to the file if not closed. ### Are these changes tested? Added a new `Metadata.TestAddKeyValueMetadata` test to verify key-value metadata added before closing the writer are well preserved. ### Are there any user-facing changes? Yes, user can add custom key-value metadata whenever writer is not closed. * Closes: #34888 Lead-authored-by: Gang Wu <[email protected]> Co-authored-by: Will Jones <[email protected]> Signed-off-by: Will Jones <[email protected]>
liujiacheng777
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…pache#34889) ### Rationale for this change Parquet specs support storing key-value metadata provided by the user. However, the parquet-cpp writer can only set it via ParquetFileWriter::Open(). Sometimes user may want to add extra information to it while writing. So it is good to support adding extra key-value metadata any time before closing the file writer. ### What changes are included in this PR? Add a new interface `void AddKeyValueMetadata(std::shared_ptr<const KeyValueMetadata> key_value_metadata)` to the `ParquetFileWriter` class. User can now add more key-value metadata to the file if not closed. ### Are these changes tested? Added a new `Metadata.TestAddKeyValueMetadata` test to verify key-value metadata added before closing the writer are well preserved. ### Are there any user-facing changes? Yes, user can add custom key-value metadata whenever writer is not closed. * Closes: apache#34888 Lead-authored-by: Gang Wu <[email protected]> Co-authored-by: Will Jones <[email protected]> Signed-off-by: Will Jones <[email protected]>
ArgusLi
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…pache#34889) ### Rationale for this change Parquet specs support storing key-value metadata provided by the user. However, the parquet-cpp writer can only set it via ParquetFileWriter::Open(). Sometimes user may want to add extra information to it while writing. So it is good to support adding extra key-value metadata any time before closing the file writer. ### What changes are included in this PR? Add a new interface `void AddKeyValueMetadata(std::shared_ptr<const KeyValueMetadata> key_value_metadata)` to the `ParquetFileWriter` class. User can now add more key-value metadata to the file if not closed. ### Are these changes tested? Added a new `Metadata.TestAddKeyValueMetadata` test to verify key-value metadata added before closing the writer are well preserved. ### Are there any user-facing changes? Yes, user can add custom key-value metadata whenever writer is not closed. * Closes: apache#34888 Lead-authored-by: Gang Wu <[email protected]> Co-authored-by: Will Jones <[email protected]> Signed-off-by: Will Jones <[email protected]>
rtpsw
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…pache#34889) ### Rationale for this change Parquet specs support storing key-value metadata provided by the user. However, the parquet-cpp writer can only set it via ParquetFileWriter::Open(). Sometimes user may want to add extra information to it while writing. So it is good to support adding extra key-value metadata any time before closing the file writer. ### What changes are included in this PR? Add a new interface `void AddKeyValueMetadata(std::shared_ptr<const KeyValueMetadata> key_value_metadata)` to the `ParquetFileWriter` class. User can now add more key-value metadata to the file if not closed. ### Are these changes tested? Added a new `Metadata.TestAddKeyValueMetadata` test to verify key-value metadata added before closing the writer are well preserved. ### Are there any user-facing changes? Yes, user can add custom key-value metadata whenever writer is not closed. * Closes: apache#34888 Lead-authored-by: Gang Wu <[email protected]> Co-authored-by: Will Jones <[email protected]> Signed-off-by: Will Jones <[email protected]>
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Describe the enhancement requested
Parquet specs support storing key-value metadata provided by the user. However, the parquet-cpp writer can only set it via
ParquetFileWriter::Open(). Sometimes user may want to add extra information to it while writing. So it is good to support adding extra key-value metadata any time before closing the file writer.Component(s)
C++, Parquet
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