trait RowIndexFilter extends AnyRef
Provides filtering information for each row index within given range. Specific filters are implemented in subclasses.
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def
materializeIntoVector(start: Long, end: Long, batch: WritableColumnVector): Unit
Materialize filtering information for all rows in the range [start, end) by filling a boolean column vector batch.
Materialize filtering information for all rows in the range [start, end) by filling a boolean column vector batch. Assumes the indexes of the rows in the batch are consecutive and start from 0.
- start
Beginning index of the filtering range (inclusive).
- end
End index of the filtering range (exclusive).
- batch
The column vector for the current batch to materialize the range into.
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abstract
def
materializeIntoVectorWithRowIndex(batchSize: Int, rowIndexColumn: ColumnVector, batch: WritableColumnVector): Unit
Materialize filtering information for all rows in the batch.
Materialize filtering information for all rows in the batch. This is achieved by probing the roaring bitmap with the row index of every row in the batch.
- batchSize
The size of the batch.
- rowIndexColumn
A column vector that contains the row index of each row in the batch.
- batch
The column vector for the current batch to materialize the range into.
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abstract
def
materializeSingleRowWithRowIndex(rowIndex: Long, batch: WritableColumnVector): Unit
Materialize filtering information for batches with a single row.
Materialize filtering information for batches with a single row.
- rowIndex
The index of the row to materialize the filtering information.
- batch
The column vector for the current batch to materialize the range into. We assume it contains a single row.
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