trait LazySpillableColumnarBatch extends LazySpillable
Holds a Columnar batch that is LazySpillable.
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abstract
def
allowSpilling(): Unit
Indicate that we are done using the data for now and it can be spilled.
Indicate that we are done using the data for now and it can be spilled.
This method should not have issues with being called multiple times without the data being accessed.
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abstract
def
close(): Unit
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abstract
def
dataTypes: Array[DataType]
The data types of the underlying batches columns.
The data types of the underlying batches columns. Should not unspill the batch to get this info.
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abstract
def
deviceMemorySize: Long
The amount of device memory in bytes that the underlying batch uses.
The amount of device memory in bytes that the underlying batch uses. Should not unspill the batch to get this info.
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abstract
def
getBatch: ColumnarBatch
Get the batch that this wraps and unspill it if needed.
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abstract
def
numCols: Int
How many columns are in the underlying batch.
How many columns are in the underlying batch. Should not unspill the batch to get this info.
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abstract
def
numRows: Int
How many rows are in the underlying batch.
How many rows are in the underlying batch. Should not unspill the batch to get this into.
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abstract
def
releaseBatch(): ColumnarBatch
Release the underlying batch to the caller who is responsible for closing it.
Release the underlying batch to the caller who is responsible for closing it. The resulting batch will NOT be closed when this instance is closed.
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