marton-bod commented on a change in pull request #2137:
URL: https://github.com/apache/hive/pull/2137#discussion_r609494843
##########
File path:
iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergStorageHandler.java
##########
@@ -153,6 +168,39 @@ public DecomposedPredicate decomposePredicate(JobConf
jobConf, Deserializer dese
return predicate;
}
+ @Override
+ public boolean
addDynamicSplitPruningEdge(org.apache.hadoop.hive.ql.metadata.Table table,
+ ExprNodeDesc syntheticFilterPredicate) {
+ try {
+ Collection<String> partitionColumns = ((HiveIcebergSerDe)
table.getDeserializer()).partitionColumns();
+ if (partitionColumns.size() > 0) {
+ // Collect the column names from the predicate
+ Collection<String> filterColumns = Lists.newArrayList();
+ columns(syntheticFilterPredicate, filterColumns);
+
+ if (filterColumns.removeAll(partitionColumns)) {
Review comment:
IIUC the intention here is to enter this block if the filter columns
contain any partition columns. Instead of using `removeAll`, would it be more
descriptive to do something like this?
```
boolean filterContainsPartitionCols = filterColumns.stream().anyMatch(...);
if (filterContainsPartitionCols) {
}
```
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