SphinxClient::setGroupBy

(PECL sphinx >= 0.1.0)

SphinxClient::setGroupBySet grouping attribute

Опис

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.

Параметри

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.

Значення, що повертаються

Повертає TRUE в успішному випадку або FALSE в разі помилки.

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