trait OrcCommonFunctions extends OrcCodecWritingHelper
Collections of some common functions for ORC
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- OrcCommonFunctions with FilePartitionReaderBase
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def
buildReaderSchema(updatedSchema: TypeDescription, requestedMapping: Option[Array[Int]]): TypeDescription
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def
buildReaderSchema(ctx: OrcPartitionReaderContext): TypeDescription
Get the ORC schema corresponding to the file being constructed for the GPU
Get the ORC schema corresponding to the file being constructed for the GPU
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closeOnExcept[T <: AutoCloseable, V](r: Option[T])(block: (Option[T]) ⇒ V): V
Executes the provided code block, closing the resources only if an exception occurs
Executes the provided code block, closing the resources only if an exception occurs
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closeOnExcept[T <: AutoCloseable, V](r: ArrayBuffer[T])(block: (ArrayBuffer[T]) ⇒ V): V
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Executes the provided code block, closing the resources only if an exception occurs
Executes the provided code block, closing the resources only if an exception occurs
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closeOnExcept[T <: AutoCloseable, V](r: Seq[T])(block: (Seq[T]) ⇒ V): V
Executes the provided code block, closing the resources only if an exception occurs
Executes the provided code block, closing the resources only if an exception occurs
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closeOnExcept[T <: AutoCloseable, V](r: T)(block: (T) ⇒ V): V
Executes the provided code block, closing the resource only if an exception occurs
Executes the provided code block, closing the resource only if an exception occurs
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def
copyStripeData(ctx: OrcPartitionReaderContext, out: WritableByteChannel, inputDataRanges: DiskRangeList): Unit
Copy the stripe to the channel
Copy the stripe to the channel
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def
decodeToTable(hostBuf: HostMemoryBuffer, bufSize: Long, memFileSchema: TypeDescription, requestedMapping: Option[Array[Int]], isCaseSensitive: Boolean, splits: Array[PartitionedFile]): Table
Read the host data to GPU for ORC decoding, and return it as a cuDF Table.
Read the host data to GPU for ORC decoding, and return it as a cuDF Table. The input host buffer should contain valid data, otherwise the behavior is undefined. 'splits' is used only for debugging.
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freeOnExcept[T <: RapidsBuffer, V](r: T)(block: (T) ⇒ V): V
Executes the provided code block, freeing the RapidsBuffer only if an exception occurs
Executes the provided code block, freeing the RapidsBuffer only if an exception occurs
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def
withCodecOutputStream[T](ctx: OrcPartitionReaderContext, out: HostMemoryOutputStream)(block: (WritableByteChannel, CodedOutputStream, OutStream) ⇒ T): T
Executes the provided code block in the codec environment
Executes the provided code block in the codec environment
- Definition Classes
- OrcCodecWritingHelper
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def
withResource[T <: AutoCloseable, V](h: CloseableHolder[T])(block: (CloseableHolder[T]) ⇒ V): V
Executes the provided code block and then closes the resource
Executes the provided code block and then closes the resource
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withResource[T <: AutoCloseable, V](r: ArrayBuffer[T])(block: (ArrayBuffer[T]) ⇒ V): V
Executes the provided code block and then closes the array buffer of resources
Executes the provided code block and then closes the array buffer of resources
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withResource[T <: AutoCloseable, V](r: Array[T])(block: (Array[T]) ⇒ V): V
Executes the provided code block and then closes the array of resources
Executes the provided code block and then closes the array of resources
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withResource[T <: AutoCloseable, V](r: Seq[T])(block: (Seq[T]) ⇒ V): V
Executes the provided code block and then closes the sequence of resources
Executes the provided code block and then closes the sequence of resources
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withResource[T <: AutoCloseable, V](r: Option[T])(block: (Option[T]) ⇒ V): V
Executes the provided code block and then closes the Option[resource]
Executes the provided code block and then closes the Option[resource]
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withResource[T <: AutoCloseable, V](r: T)(block: (T) ⇒ V): V
Executes the provided code block and then closes the resource
Executes the provided code block and then closes the resource
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withResourceIfAllowed[T, V](r: T)(block: (T) ⇒ V): V
Executes the provided code block and then closes the value if it is AutoCloseable
Executes the provided code block and then closes the value if it is AutoCloseable
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def
writeOrcFileFooter(ctx: OrcPartitionReaderContext, fileFooterBuilder: Builder, rawOut: HostMemoryOutputStream, footerStartOffset: Long, numRows: Long, protoWriter: CodedOutputStream, codecStream: OutStream): Unit
write the ORC file Footer and PostScript
write the ORC file Footer and PostScript
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- protected