SolrDocument::merge
  Merges source to the current SolrDocument
  
 
  Description
  
   public bool SolrDocument::merge
    ( SolrDocument $sourceDoc
   [, bool $overwrite = true
  ] )
  
  
  
 
  Parameters
  
   
    - 
     sourceDoc
- 
      
       The source document.
       
- 
     overwrite
- 
      
      If this is TRUEthen fields with the same name in the destination document will be overwritten.
 
 
 
  Return Values
  
   Returns TRUE on success or FALSE on failure.