rdblue commented on a change in pull request #3400:
URL: https://github.com/apache/iceberg/pull/3400#discussion_r744289365
##########
File path:
spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/source/SparkBatchQueryScan.java
##########
@@ -74,60 +101,176 @@
throw new IllegalArgumentException("Cannot only specify option
end-snapshot-id to do incremental scan");
}
- // look for split behavior overrides in options
- this.splitSize = Spark3Util.propertyAsLong(options,
SparkReadOptions.SPLIT_SIZE, null);
- this.splitLookback = Spark3Util.propertyAsInt(options,
SparkReadOptions.LOOKBACK, null);
- this.splitOpenFileCost = Spark3Util.propertyAsLong(options,
SparkReadOptions.FILE_OPEN_COST, null);
+ this.splitSize = readConf.splitSizeOption();
+ this.splitLookback = readConf.splitLookbackOption();
+ this.splitOpenFileCost = readConf.splitOpenFileCostOption();
+ this.runtimeFilterExpressions = Lists.newArrayList();
}
- @Override
- protected List<CombinedScanTask> tasks() {
- if (tasks == null) {
- TableScan scan = table()
- .newScan()
- .caseSensitive(caseSensitive())
- .project(expectedSchema());
+ private TableScan scan() {
+ if (scan == null) {
+ this.scan = buildScan();
+ }
- if (snapshotId != null) {
- scan = scan.useSnapshot(snapshotId);
- }
+ return scan;
Review comment:
Nit: The changes in this PR would be a bit smaller by naming the
instance variable `tableScan` and leaving the variable named `scan` in
`buildScan`.
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