TableSelect::groupBy

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TableSelect::groupBySet select grouping criteria

Description

public mysql_xdevapi\TableSelect::groupBy ( mixed $sort_expr ) : mysql_xdevapi\TableSelect

Sets a grouping criteria for the result set.

Liste de paramètres

sort_expr

The grouping criteria.

Valeurs de retour

A TableSelect object.

Exemples

Exemple #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);
?>

L'exemple ci-dessus va afficher quelque chose de similaire à :

Array
(
    [0] => Array
        (
            [count] => 1
            [age] => 31
        )
    [1] => Array
        (
            [count] => 2
            [age] => 42
        )
)
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