class JustRowsColumnarBatch extends SpillableColumnarBatch
Cudf does not support a table with columns and no rows. This takes care of making one of those spillable, even though in reality there is no backing buffer. It does this by just keeping the row count in memory, and not dealing with the catalog at all.
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close(): Unit
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dataTypes: Array[DataType]
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def
getColumnarBatch(): ColumnarBatch
Get the columnar batch.
Get the columnar batch.
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- JustRowsColumnarBatch → SpillableColumnarBatch
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It is the responsibility of the caller to close the batch.
,If the buffer is compressed data then the resulting batch will be built using
GpuCompressedColumnVector, and it is the responsibility of the caller to deal with decompressing the data if necessary.
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def
incRefCount(): SpillableColumnarBatch
Increment the reference count for this batch (if applicable) and return this for easy chaining.
Increment the reference count for this batch (if applicable) and return this for easy chaining.
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- JustRowsColumnarBatch → SpillableColumnarBatch
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def
numRows(): Int
The number of rows stored in this batch.
The number of rows stored in this batch.
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- JustRowsColumnarBatch → SpillableColumnarBatch
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def
setSpillPriority(priority: Long): Unit
Set a new spill priority.
Set a new spill priority.
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- JustRowsColumnarBatch → SpillableColumnarBatch
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val
sizeInBytes: Long
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- JustRowsColumnarBatch → SpillableColumnarBatch
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