aokolnychyi commented on a change in pull request #3763:
URL: https://github.com/apache/iceberg/pull/3763#discussion_r773309738
##########
File path:
spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/source/SparkScanBuilder.java
##########
@@ -157,8 +159,73 @@ private Schema schemaWithMetadataColumns() {
@Override
public Scan build() {
- return new SparkBatchQueryScan(
- spark, table, readConf, schemaWithMetadataColumns(),
filterExpressions);
+ Long snapshotId = readConf.snapshotId();
+ Long asOfTimestamp = readConf.asOfTimestamp();
+
+ Preconditions.checkArgument(snapshotId == null || asOfTimestamp == null,
+ "Cannot set both %s and %s to select which table snapshot to scan",
+ SparkReadOptions.SNAPSHOT_ID, SparkReadOptions.AS_OF_TIMESTAMP);
+
+ Long startSnapshotId = readConf.startSnapshotId();
+ Long endSnapshotId = readConf.endSnapshotId();
+
+ if (snapshotId != null || asOfTimestamp != null) {
+ Preconditions.checkArgument(startSnapshotId == null && endSnapshotId ==
null,
Review comment:
I think it would be possible but would require adding validation
capabilities to `SparkReadConf`. I think the current validation is easier to
read than what we had before so I'd probably address this in a follow-up.
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