rdsr commented on a change in pull request #108: Use the current schema in all
partition specs in scan planning.
URL: https://github.com/apache/incubator-iceberg/pull/108#discussion_r261429495
##########
File path: core/src/main/java/com/netflix/iceberg/BaseTableScan.java
##########
@@ -176,12 +187,15 @@ public InclusiveManifestEvaluator load(Integer specId) {
matchingManifests,
manifest -> {
ManifestReader reader =
ManifestReader.read(ops.io().newInputFile(manifest.path()));
+ PartitionSpec spec =
ops.current().spec(manifest.partitionSpecId());
toClose.add(reader);
- String schemaString = SchemaParser.toJson(reader.spec().schema());
- String specString = PartitionSpecParser.toJson(reader.spec());
- ResidualEvaluator residuals = new ResidualEvaluator(reader.spec(),
rowFilter);
+ String schemaString = SchemaParser.toJson(spec.schema());
Review comment:
Not related to this change, but it seems we are converting the
`PartitionSpec` to json string and passing it to `BaseFileScanTask` and then,
in BaseFileScanTask, reconverting it base to `PartitionSpec` object. Any
thoughts on why that is done? Maybe it is worth while to simply pass the
`PartitionSpec` object directly to `BaseFileScanTask` without first converting
to json string. `BaseFileScanTask` does not seem to be called from anywhere
else
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