Table::existsInDatabase
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Table::existsInDatabase — Check if table exists in database
Descrizione
Verifies if this table exists in the database.
Elenco dei parametri
Questa funzione non contiene parametri.
Valori restituiti
Returns true if table exists in the database, else false if it does not.
Esempi
Example #1 mysql_xdevapi\Table::existsInDatabase() example
<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();
$session->sql("CREATE TABLE addressbook.names(name text, age int)")->execute();
$session->sql("INSERT INTO addressbook.names values ('John', 42), ('Sam', 33)")->execute();
$schema = $session->getSchema("addressbook");
$table = $schema->getTable("names");
if ($table->existsInDatabase()) {
echo "Yes, this table still exists in the session's schema.";
}
?>Il precedente esempio visualizzerà qualcosa simile a:
Yes, this table still exists in the session's schema.
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