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Table::existsInDatabase — Check if table exists in database
Verifies if this table exists in the database.
この関数にはパラメータはありません。
Returns TRUE
if table exists in the database, else FALSE
if it does not.
例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.";
}
?>
上の例の出力は、 たとえば以下のようになります。
Yes, this table still exists in the session's schema.