stevenzwu commented on a change in pull request #2305:
URL: https://github.com/apache/iceberg/pull/2305#discussion_r705907404
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File path:
flink/src/main/java/org/apache/iceberg/flink/source/FlinkSplitGenerator.java
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@@ -27,23 +27,39 @@
import org.apache.iceberg.TableProperties;
import org.apache.iceberg.TableScan;
import org.apache.iceberg.expressions.Expression;
+import org.apache.iceberg.flink.source.split.IcebergSourceSplit;
import org.apache.iceberg.io.CloseableIterable;
import org.apache.iceberg.relocated.com.google.common.collect.Lists;
-class FlinkSplitGenerator {
+public class FlinkSplitGenerator {
private FlinkSplitGenerator() {
}
static FlinkInputSplit[] createInputSplits(Table table, ScanContext context)
{
- List<CombinedScanTask> tasks = tasks(table, context);
- FlinkInputSplit[] splits = new FlinkInputSplit[tasks.size()];
- for (int i = 0; i < tasks.size(); i++) {
- splits[i] = new FlinkInputSplit(i, tasks.get(i));
+ try (CloseableIterable<CombinedScanTask> tasksIterable = planTasks(table,
context)) {
+ List<CombinedScanTask> tasks = Lists.newArrayList(tasksIterable);
+ FlinkInputSplit[] splits = new FlinkInputSplit[tasks.size()];
+ for (int i = 0; i < tasks.size(); i++) {
+ splits[i] = new FlinkInputSplit(i, tasks.get(i));
+ }
+ return splits;
+ } catch (IOException e) {
+ throw new UncheckedIOException("Failed to process tasks iterable", e);
+ }
+ }
+
+ public static List<IcebergSourceSplit> planIcebergSourceSplits(
Review comment:
actually, I think we should rename `createInputSplits` to
`planFlinkInputSplit`. We are not creating splits out of nowhere. Both are just
discover/plan splits from table and call the same `planTasks`. I can add some
javadoc on the new `planIcebergSourceSplits` method.
Since `createInputSplits` is non-public, we should be safe to rename.
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