[GitHub] [iceberg] felixYyu commented on issue #3558: Spark: Support alter partition in V2 Catalog SparkCatalog Class

[GitBox <gi...@apache.org>]

felixYyu commented on issue #3558:
URL: https://github.com/apache/iceberg/issues/3558#issuecomment-985997089


   I try to edit SparkTable implements SupportsPartitionManagement
   `@Override
     public StructType partitionSchema() {
       return (StructType) SparkSchemaUtil.convert(icebergTable.spec().partitionType());
     }
   
     @Override
     public void createPartition(InternalRow ident, Map<String, String> properties)
             throws PartitionAlreadyExistsException, UnsupportedOperationException {
       if(partitionExists(ident)){
         throw new PartitionAlreadyExistsException(name(), ident, schema());
       }
       else{
         icebergTable.updateSpec()
                 .addField((Term) ident.toSeq(partitionSchema()))
                 .commit();
       }
     }
   
     @Override
     public boolean dropPartition(InternalRow ident) {
       try{
         if (partitionExists(ident)){
           icebergTable.updateSpec()
                   .removeField(ident.toSeq(partitionSchema()).mkString())// term
                   .commit();
           return true;
         }
       }catch (IllegalArgumentException e) {
         LOG.info("no partition exists for the identifier");
       }
       return false;
     }
   
     @Override
     public void replacePartitionMetadata(InternalRow ident, Map<String, String> properties) throws UnsupportedOperationException {
       throw new UnsupportedOperationException("Iceberg partitions do not support metadata");
     }
   
     @Override
     public Map<String, String> loadPartitionMetadata(InternalRow ident) throws UnsupportedOperationException {
       throw new UnsupportedOperationException("Iceberg partitions do not support metadata");
     }
   
     @Override
     public InternalRow[] listPartitionIdentifiers(String[] names, InternalRow ident) {
       return new InternalRow[0];
     }`


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