xabriel commented on a change in pull request #372: Allow read split behavior
overrides
URL: https://github.com/apache/incubator-iceberg/pull/372#discussion_r313589124
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File path: core/src/main/java/org/apache/iceberg/BaseTableScan.java
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@@ -176,11 +188,26 @@ public Expression filter() {
@Override
public CloseableIterable<CombinedScanTask> planTasks() {
- long splitSize = targetSplitSize(ops);
- int lookback = ops.current().propertyAsInt(
- TableProperties.SPLIT_LOOKBACK,
TableProperties.SPLIT_LOOKBACK_DEFAULT);
- long openFileCost = ops.current().propertyAsLong(
- TableProperties.SPLIT_OPEN_FILE_COST,
TableProperties.SPLIT_OPEN_FILE_COST_DEFAULT);
+ long splitSize;
+ if (splitOptions != null && splitOptions.getSplitSize() != null) {
+ splitSize = splitOptions.getSplitSize();
+ } else {
+ splitSize = targetSplitSize(ops);
+ }
+ int lookback;
+ if (splitOptions != null && splitOptions.getSplitLookback() != null) {
+ lookback = splitOptions.getSplitLookback();
+ } else {
+ lookback = ops.current().propertyAsInt(
+ TableProperties.SPLIT_LOOKBACK,
TableProperties.SPLIT_LOOKBACK_DEFAULT);
Review comment:
Went with short option names for the Spark `Reader`, but full property name
when passed to the `TableScan` object. Let me know if this matches the
precedent?
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