yathindranath commented on a change in pull request #631: Add mechanism to
expire old metadata versions
URL: https://github.com/apache/incubator-iceberg/pull/631#discussion_r346510637
##########
File path:
core/src/main/java/org/apache/iceberg/BaseMetastoreTableOperations.java
##########
@@ -98,8 +98,11 @@ public void commit(TableMetadata base, TableMetadata
metadata) {
LOG.info("Nothing to commit.");
return;
}
+ TableMetadata updated = (base != null && base.file() != null) ?
+ metadata.addPreviousMetadata(base.file().location(),
base.lastUpdatedMillis()) : metadata;
Review comment:
@rdblue Initially thought of handling in the `TableMetadata`, but I went
with `TableOperations` because it just two places to track previous versions.
Otherwise every method and new method in future should add current file
location.
But I agree, should be handled in the `TableMetadata`, will change it.
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