arina-ielchiieva commented on a change in pull request #1810: DRILL-7271: Refactor Metadata interfaces and classes to contain all needed information for the File based Metastore URL: https://github.com/apache/drill/pull/1810#discussion_r296682028
########## File path: exec/java-exec/src/main/java/org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.java ########## @@ -535,31 +581,39 @@ public TableMetadata getTableMetadata() { return partitions; } + protected Map<Path, SegmentMetadata> getSegmentsMetadata() { + if (segments == null) { + segments = metadataProvider.getSegmentsMetadataMap(); + } + return segments; + } + @JsonIgnore public NonInterestingColumnsMetadata getNonInterestingColumnsMetadata() { if (nonInterestingColumnsMetadata == null) { - nonInterestingColumnsMetadata = metadataProvider.getNonInterestingColumnsMeta(); + nonInterestingColumnsMetadata = metadataProvider.getNonInterestingColumnsMetadata(); } return nonInterestingColumnsMetadata; } /** * This class is responsible for filtering different metadata levels. */ - protected abstract static class GroupScanWithMetadataFilterer { + protected abstract static class GroupScanWithMetadataFilterer<B extends GroupScanWithMetadataFilterer<B>> { protected final AbstractGroupScanWithMetadata source; protected boolean matchAllMetadata = false; protected TableMetadata tableMetadata; protected List<PartitionMetadata> partitions = Collections.emptyList(); + protected Map<Path, SegmentMetadata> segments = Collections.emptyMap(); Review comment: Using Collections emptyMap or emptyList creates unmodifiable objects, is this expected? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services