SphinxClient::setGroupBy

(PECL sphinx >= 0.1.0)

SphinxClient::setGroupBy — Set grouping attribute

Beschreibung

public bool SphinxClient::setGroupBy ( string $attribute , int $func [, string $groupsort = "@group desc" ] )

Sets grouping attribute, function, and group sorting mode, and enables grouping.

Grouping feature is very similar to GROUP BY clause in SQL. Results produced by this function call are going to be the same as produced by the following pseudo code: SELECT ... GROUP BY $func($attribute) ORDER BY $groupsort.

Parameter-Liste

attribute: A string containing group-by attribute name.
func: Constant, which sets a function applied to the attribute value in order to compute group-by key.
groupsort: An optional clause controlling how the groups are sorted.

Rückgabewerte

Gibt bei Erfolg TRUE zurück. Im Fehlerfall wird FALSE zurückgegeben.

Siehe auch

SphinxClient::resetGroupBy
SphinxClient::setSortMode
SphinxClient::setGroupDistinct