One approach is to extend BaseTable and HadoopTableOperations classes.
public static class IcebergTable extends BaseTable {
private final IcebergTableOperations ops;
private IcebergTable(IcebergTableOperations ops, String name) {
super(ops, name);
this.ops = ops;
}
IcebergTableOperations ops() {
return ops;
}
}
public class IcebergTableOperations extends HadoopTableOperations {
public IcebergTableOperations(Path location, Configuration conf) {
super(location, conf);
}
}
Wrapper function can be written to create an Iceberg table using above
extended classes.
Once we have instances of above classes pointing to Iceberg table,
following should work
IcebergTable table = createIcebergTableWrapper(SCHEMA, spec,
tableLocation);
TableMetadata base = table.ops().current();
table.ops().commit(base, base.updatePartitionSpec(newSpec));
Note that method, table.ops() is available on specialized IcebergTable
class.
On Fri, Oct 25, 2019 at 9:51 PM Christine Mathiesen <t-cmathie...@hotels.com>
wrote:
> Hey Iceberg devs!
>
> I've been following along the discussion about how the partition spec
> evolution in Iceberg works, and recently I've been trying to implement this
> in some code I've been writing. However, I've been trying to implement it
> using the HadoopTables API and haven't been able to figure it out.
>
> From what I've been reading I would expect this operation to look
> something like:
>
> Table table = tables.create(SCHEMA, spec,
> tableLocation);
>
> TableMetadata base = table.operations.current();
>
> base.updatePartitionSpec(newSpec);
>
> table.refresh();
>
> However, I'm not finding a way of accessing and modifying this table
> metadata when trying to use HadoopTables. Schema evolution has a nice
> UpdateSchema class for this, but am I missing something for the partition
> evolution side?
>
> Would anyone be able to point me in the right direction?
>
> Thank you!
>
>
>
>
>
> *Christine Mathiesen *
>
> Software Development Intern
>
> BDP – Hotels.com
>
> Expedia Group
>
>
>
--
Best regards
T.Vamsi Kalyan
+91-94905 56669
