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Use array instead of List for from(Table, DataType) #1064

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Nov 4, 2020
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Use array instead of List for from(Table, DataType) #1064

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6 changes: 3 additions & 3 deletions sql-plugin/src/main/java/com/nvidia/spark/rapids/UnsafeRowToColumnarBatchIterator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ public abstract class UnsafeRowToColumnarBatchIterator implements Iterator<Colum
protected final int numRowsEstimate;
protected final long dataLength;
protected final DType[] rapidsTypes;
protected final ArrayList<DataType> outputTypes;
protected final DataType[] outputTypes;
protected final SQLMetric totalTime;
protected final SQLMetric numInputRows;
protected final SQLMetric numOutputRows;
Expand All @@ -69,11 +69,11 @@ protected UnsafeRowToColumnarBatchIterator(
Math.min(Integer.MAX_VALUE - 1, goal.targetSizeBytes() / sizePerRowEstimate));
dataLength = ((long) sizePerRowEstimate) * numRowsEstimate;
rapidsTypes = new DType[schema.length];
outputTypes = new ArrayList<>(schema.length);
outputTypes = new DataType[schema.length];

for (int i = 0; i < schema.length; i++) {
rapidsTypes[i] = GpuColumnVector.getRapidsType(schema[i].dataType());
outputTypes.add(schema[i].dataType());
outputTypes[i] = schema[i].dataType();
}
this.totalTime = totalTime;
this.numInputRows = numInputRows;
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