case class OrcPartitionReaderContext(filePath: Path, conf: Configuration, fileSchema: TypeDescription, updatedReadSchema: TypeDescription, evolution: SchemaEvolution, fileTail: FileTail, compressionSize: Int, compressionKind: CompressionKind, readerOpts: Options, blockIterator: BufferedIterator[OrcOutputStripe], requestedMapping: Option[Array[Int]]) extends Product with Serializable
This class holds fields needed to read and iterate over the OrcFile
- filePath
ORC file path
- conf
the Hadoop configuration
- fileSchema
the schema of the whole ORC file
- updatedReadSchema
read schema mapped to the file's field names
- evolution
infer and track the evolution between the schema as stored in the file and the schema that has been requested by the reader.
- fileTail
the ORC FileTail
- compressionSize
the ORC compression size
- compressionKind
the ORC compression type
- readerOpts
options for creating a RecordReader.
- blockIterator
an iterator over the ORC output stripes
- requestedMapping
the optional requested column ids
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OrcPartitionReaderContext(filePath: Path, conf: Configuration, fileSchema: TypeDescription, updatedReadSchema: TypeDescription, evolution: SchemaEvolution, fileTail: FileTail, compressionSize: Int, compressionKind: CompressionKind, readerOpts: Options, blockIterator: BufferedIterator[OrcOutputStripe], requestedMapping: Option[Array[Int]])
- filePath
ORC file path
- conf
the Hadoop configuration
- fileSchema
the schema of the whole ORC file
- updatedReadSchema
read schema mapped to the file's field names
- evolution
infer and track the evolution between the schema as stored in the file and the schema that has been requested by the reader.
- fileTail
the ORC FileTail
- compressionSize
the ORC compression size
- compressionKind
the ORC compression type
- readerOpts
options for creating a RecordReader.
- blockIterator
an iterator over the ORC output stripes
- requestedMapping
the optional requested column ids
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- val blockIterator: BufferedIterator[OrcOutputStripe]
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- val compressionKind: CompressionKind
- val compressionSize: Int
- val conf: Configuration
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- val evolution: SchemaEvolution
- val filePath: Path
- val fileSchema: TypeDescription
- val fileTail: FileTail
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- val readerOpts: Options
- val requestedMapping: Option[Array[Int]]
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- val updatedReadSchema: TypeDescription
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