Table::existsInDatabase

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Table::existsInDatabaseCheck if table exists in database

Descrierea

public mysql_xdevapi\Table::existsInDatabase ( void ) : bool

Verifies if this table exists in the database.

Parametri

Această funcție nu are parametri.

Valorile întoarse

Returns TRUE if table exists in the database, else FALSE if it does not.

Exemple

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.";
}
?>

Exemplul de mai sus va afișa ceva similar cu:

Yes, this table still exists in the session's schema.