Fix array_transform to not recompute the argument #10015
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Signed-off-by: Robert (Bobby) Evans <bobby@apache.org>
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razajafri
previously approved these changes
Dec 11, 2023
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| val explodedTable = withResource(GpuProjectExec.project(inputBatch, boundIntermediate)) { | ||
| intermediateBatch => | ||
| withResource(GpuColumnVector.combineColumns(intermediateBatch, argColumn)) { | ||
| projectedBatch => | ||
| withResource(GpuColumnVector.from(projectedBatch)) { projectedTable => | ||
| projectedTable.explodePosition(boundIntermediate.length) | ||
| } |
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nit: could this and should this be refactored to a private method? It can be reused by passing the method to run explodePosition or explode
jlowe
previously approved these changes
Dec 11, 2023
| @@ -895,6 +895,22 @@ public static ColumnarBatch combineColumns(ColumnarBatch ... batches) { | |||
| return incRefCounts(ret); | |||
| } | |||
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| public static ColumnarBatch combineColumns(ColumnarBatch cb, GpuColumnVector ... vectors) { | |||
| final int numRows = cb.numRows(); | |||
| ArrayList<ColumnVector> columns = new ArrayList<>(); | |||
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Nit: We know exactly how big the array needs to be and can hint this here.
Suggested change
| ArrayList<ColumnVector> columns = new ArrayList<>(); | |
| ArrayList<ColumnVector> columns = new ArrayList<>(cb.numCols() + vectors.length); |
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@razajafri and @jlowe please take another look |
jlowe
approved these changes
Dec 11, 2023
razajafri
approved these changes
Dec 12, 2023
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This fixes #9472
Thanks to @razajafri for doing the majority of the debugging on this.