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[NSE-909] "INSERT OVERWRITE x SELECT /*+ REPARTITION(2) */ * FROM y L… #912
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…IMIT 2" drains 4 rows into table x using Arrow write extension
zhztheplayer
commented
May 10, 2022
Comment on lines
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| def setNumRows(batch: ColumnarBatch, numRows: Int): Unit = { | ||
| batch.setNumRows(numRows) | ||
| for (i <- 0 until batch.numCols()) { | ||
| val vector = batch.column(i) | ||
| vector match { | ||
| case av: ArrowWritableColumnVector => | ||
| av.setValueCount(numRows) | ||
| case _ => | ||
| } | ||
| } | ||
| } | ||
|
|
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We'd better have a customized ColumnarBatch impl to override ColumnarBatch#setNumRows however it's not allowed because of ColumnarBatch's final modifier.
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…IMIT 2" drains 4 rows into table x using Arrow write extension