SphinxClient::setGroupDistinct

(PECL sphinx >= 0.1.0)

SphinxClient::setGroupDistinctSet attribute name for per-group distinct values count calculations

Descrizione

public bool SphinxClient::setGroupDistinct ( string $attribute )

Sets attribute name for per-group distinct values count calculations. Only available for grouping queries. For each group, all values of attribute will be stored, then the amount of distinct values will be calculated and returned to the client. This feature is similar to COUNT(DISTINCT) clause in SQL.

Elenco dei parametri

attribute

A string containing group-by attribute name.

Valori restituiti

Restituisce TRUE in caso di successo, FALSE in caso di fallimento.

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