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Collection::dropIndex — Drop collection index
Drop a collection index.
This operation does not yield an error if the index does not exist, but
false is returned in that case.
index_nameName of collection index to drop.
Приклад #1 mysql_xdevapi\Collection::dropIndex() example
<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();
$schema = $session->getSchema("addressbook");
$create = $schema->createCollection("people");
// ...
$collection = $schema->getCollection("people");
$collection->createIndex(
'myindex',
'{"fields": [{"field": "$.name", "type": "TEXT(25)", "required": true}], "unique": false}'
);
// ...
if ($collection->dropIndex('myindex')) {
echo "An index named 'myindex' was found, and dropped.";
}
?>Поданий вище приклад виведе:
An index named 'myindex' was found, and dropped.