Execute SHARED LOCK | ||
---|---|---|
|
(No version information available, might only be in Git)
TableSelect::lockShared — Execute SHARED LOCK
$lock_waiting_option
= ?): mysql_xdevapi\TableSelectExecute a read operation with SHARED LOCK. Only one lock can be active at a time.
lock_waiting_option
The optional waiting option that defaults to MYSQLX_LOCK_DEFAULT
.
Valid values are:
MYSQLX_LOCK_DEFAULT
MYSQLX_LOCK_NOWAIT
MYSQLX_LOCK_SKIP_LOCKED
A TableSelect object.
Example #1 mysql_xdevapi\TableSelect::lockShared() example
<?php$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);?>
The above example will output something similar to:
Array ( [0] => Array ( [name] => John [age] => 42 ) [1] => Array ( [name] => Sam [age] => 42 ) )