RowResult::getColumns
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RowResult::getColumns — Get column metadata
Description
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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