PHP Velho Oeste 2024

RowResult::getColumns

(No version information available, might only be in Git)

RowResult::getColumnsGet column metadata

Description

public mysql_xdevapi\RowResult::getColumns(): array

Retrieve column metadata for columns present in the result set.

Avertissement

Cette fonction est actuellement non documentée ; seule la liste des arguments est disponible.

Liste de paramètres

Cette fonction ne contient aucun paramètre.

Valeurs de retour

An array of FieldMetadata objects representing the columns in the result, or an empty array if the result set is empty.

Exemples

Exemple #1 mysql_xdevapi\RowResult::getColumns() example

<?php
$session
= mysql_xdevapi\getSession("mysqlx://user:password@localhost");

$session->sql("DROP DATABASE addressbook")->execute();
$session->sql("CREATE DATABASE foo")->execute();
$session->sql("CREATE TABLE foo.test_table(x int)")->execute();
$session->sql("INSERT INTO addressbook.names values ('John', 42), ('Sam', 33)")->execute();

$sql = $session->sql("SELECT * from addressbook.names")->execute();

$cols = $sql->getColumns();

print_r($cols);

Résultat de l'exemple ci-dessus est similaire à :

Array
(
    [0] => mysql_xdevapi\FieldMetadata Object
        (
            [type] => 7
            [type_name] => BYTES
            [name] => name
            [original_name] => name
            [table] => names
            [original_table] => names
            [schema] => addressbook
            [catalog] => def
            [collation] => 255
            [fractional_digits] => 0
            [length] => 65535
            [flags] => 0
            [content_type] => 0
        )
    [1] => mysql_xdevapi\FieldMetadata Object
        (
            [type] => 1
            [type_name] => SINT
            [name] => age
            [original_name] => age
            [table] => names
            [original_table] => names
            [schema] => addressbook
            [catalog] => def
            [collation] => 0
            [fractional_digits] => 0
            [length] => 11
            [flags] => 0
            [content_type] => 0
        )
)
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