(PECL solr >= 0.9.2)
SolrInputDocument::merge — Merges one input document into another
Merges one input document into another.
sourceDoc
The source document.
overwrite
If this is TRUE
it will replace matching fields in the destination document.
Возвращает TRUE
в случае успешного завершения или FALSE
в случае возникновения ошибки. In the future, this will be modified to return the number of fields in the new document.