iprithv opened a new issue, #16117:
URL: https://github.com/apache/lucene/issues/16117

   ### Description
   
   The experimental columnar indexing API (`IndexWriter.addBatch(ColumnBatch)`) 
added supports bulk columnar document addition, but there is no equivalent to 
`updateDocuments(Term, Iterable)` 
   for columnar batches. Users who index via columns cannot atomically delete 
existing documents by term 
   and add a new columnar batch in a single operation.
   
   add the following public methods to `IndexWriter`
   
   ```java
   /**
    * Atomically deletes documents matching the provided term and adds a batch 
of documents 
    * in column-oriented format.
    */
   public long updateDocuments(Term delTerm, ColumnBatch columnBatch) throws 
IOException;
   
   /**
    * Similar to above but takes a Query instead of a Term.
    */
   public long updateDocuments(Query delQuery, ColumnBatch columnBatch) throws 
IOException;


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