Schema::existsInDatabase
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Schema::existsInDatabase — Check if exists in database
Descripción
Checks if the current object (schema, table, collection, or view) exists in the schema object.
Parámetros
Esta función no tiene parámetros.
Valores devueltos
true if the schema, table, collection, or view still exists in the schema, else false.
Ejemplos
Ejemplo #1 mysql_xdevapi\Schema::existsInDatabase() example
<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS food")->execute();
$session->sql("CREATE DATABASE food")->execute();
$session->sql("CREATE TABLE food.fruit(name text, rating text)")->execute();
$schema = $session->getSchema("food");
$schema->createCollection("trees");
// ...
$trees = $schema->getCollection("trees");
// ...
// Is this collection still in the database (schema)?
if ($trees->existsInDatabase()) {
echo "Yes, the 'trees' collection is still present.";
}El resultado del ejemplo sería algo similar a:
Yes, the 'trees' collection is still present.
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