Table::existsInDatabase

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Table::existsInDatabaseCheck if table exists in database

Descrizione

public mysql_xdevapi\Table::existsInDatabase(): bool

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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