SphinxClient::setGroupBySphinxClient::setGroupDistinct
(No version information available, might be only in CVS)
SphinxClient::setGroupDistinct — Set attribute name for per-group distinct values count calculations
Описание
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.
Список параметров
- attribute
-
A string containing group-by attribute name.
Возвращаемые значения
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
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