(PECL solr >= 0.9.2)
Merges source to the current SolrDocument
public bool SolrDocument::merge ( SolrDocument $sourceDoc [, bool $overwrite = true ] )
Merges source to the current SolrDocument.
Parameters:
sourceDoc
The source document.
overwrite
If this is TRUE then fields with the same name in the destination document will be overwritten.
Returns:
Returns TRUE on success or FALSE on failure.
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