huaxingao commented on code in PR #9841:
URL: https://github.com/apache/iceberg/pull/9841#discussion_r1585767596
##########
spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/data/vectorized/ColumnarBatchReader.java:
##########
@@ -74,48 +71,23 @@ public final ColumnarBatch read(ColumnarBatch reuse, int
numRowsToRead) {
return columnarBatch;
}
- private class ColumnBatchLoader {
- private final int numRowsToRead;
- // the rowId mapping to skip deleted rows for all column vectors inside a
batch, it is null when
- // there is no deletes
- private int[] rowIdMapping;
- // the array to indicate if a row is deleted or not, it is null when there
is no "_deleted"
- // metadata column
- private boolean[] isDeleted;
+ private class ColumnBatchLoader extends BaseColumnBatchLoader {
ColumnBatchLoader(int numRowsToRead) {
- Preconditions.checkArgument(
- numRowsToRead > 0, "Invalid number of rows to read: %s",
numRowsToRead);
- this.numRowsToRead = numRowsToRead;
- if (hasIsDeletedColumn) {
- isDeleted = new boolean[numRowsToRead];
- }
+ super(numRowsToRead, hasIsDeletedColumn, deletes, rowStartPosInBatch);
}
- ColumnarBatch loadDataToColumnBatch() {
+ @Override
+ public ColumnarBatch loadDataToColumnBatch() {
int numRowsUndeleted = initRowIdMapping();
-
ColumnVector[] arrowColumnVectors = readDataToColumnVectors();
-
- ColumnarBatch newColumnarBatch = new ColumnarBatch(arrowColumnVectors);
- newColumnarBatch.setNumRows(numRowsUndeleted);
-
- if (hasEqDeletes()) {
- applyEqDelete(newColumnarBatch);
- }
-
- if (hasIsDeletedColumn && rowIdMapping != null) {
- // reset the row id mapping array, so that it doesn't filter out the
deleted rows
- for (int i = 0; i < numRowsToRead; i++) {
- rowIdMapping[i] = i;
- }
- newColumnarBatch.setNumRows(numRowsToRead);
- }
-
+ ColumnarBatch newColumnarBatch =
Review Comment:
Changed. Thanks
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