huaxingao commented on code in PR #10943:
URL: https://github.com/apache/iceberg/pull/10943#discussion_r1778973584
##########
spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/source/SparkScanBuilder.java:
##########
@@ -407,14 +422,35 @@ public Scan build() {
private Scan buildBatchScan() {
Schema expectedSchema = schemaWithMetadataColumns();
+ org.apache.iceberg.Scan scan =
+ buildIcebergBatchScan(false /* not include Column Stats */,
expectedSchema);
+ if (pushedLimit > 0 && hasDeletes(scan)) {
+ LOG.info("Skipping limit pushdown: detected row level deletes");
+ pushedLimit = -1;
+ }
return new SparkBatchQueryScan(
spark,
table,
- buildIcebergBatchScan(false /* not include Column Stats */,
expectedSchema),
+ scan,
readConf,
expectedSchema,
filterExpressions,
- metricsReporter::scanReport);
+ metricsReporter::scanReport,
+ pushedLimit);
+ }
+
+ private boolean hasDeletes(org.apache.iceberg.Scan scan) {
+ try (CloseableIterable<FileScanTask> fileScanTasks = scan.planFiles()) {
Review Comment:
I will have a follow-up PR for this.
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