TableSelect::groupBy
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TableSelect::groupBy — Set select grouping criteria
Beschreibung
Sets a grouping criteria for the result set.
Parameter-Liste
-
sort_expr
-
The grouping criteria.
Rückgabewerte
A TableSelect object.
Beispiele
Beispiel #1 mysql_xdevapi\TableSelect::groupBy() example
<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();
$session->sql("CREATE TABLE addressbook.names(name text, age int)")->execute();
$session->sql("INSERT INTO addressbook.names values ('John', 42), ('Sam', 42)")->execute();
$session->sql("INSERT INTO addressbook.names values ('Suki', 31)")->execute();
$schema = $session->getSchema("addressbook");
$table = $schema->getTable("names");
$result = $table->select('count(*) as count', 'age')
->groupBy('age')->orderBy('age asc')
->execute();
$row = $result->fetchAll();
print_r($row);
?>
Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:
Array ( [0] => Array ( [count] => 1 [age] => 31 ) [1] => Array ( [count] => 2 [age] => 42 ) )