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    TableSelect::lockShared

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    TableSelect::lockShared — Execute SHARED LOCK

    Açıklama

    public mysql_xdevapi\TableSelect::lockShared(int $lock_waiting_option = ?): mysql_xdevapi\TableSelect

    Execute a read operation with SHARED LOCK. Only one lock can be active at a time.

    Bağımsız Değişkenler

    lock_waiting_option

    The optional waiting option that defaults to MYSQLX_LOCK_DEFAULT. Valid values are:

    Dönen Değerler

    A TableSelect object.

    Örnekler

    Örnek 1 mysql_xdevapi\TableSelect::lockShared() example

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

    $schema = $session->getSchema("addressbook");
    $table = $schema->getTable("names");

    $session->startTransaction();

    $result = $table->select('name', 'age')
    ->    lockShared(MYSQLX_LOCK_NOWAIT)
    ->    execute();

    $session->commit();

    $row = $result->fetchAll();
    print_r($row);
    ?>

    Yukarıdaki örnek şuna benzer bir çıktı üretir:

    Array
(
    [0] => Array
        (
            [name] => John
            [age] => 42
        )
    [1] => Array
        (
            [name] => Sam
            [age] => 42
        )
)

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