Schema::existsInDatabase

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Schema::existsInDatabase — Check if exists in database

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

Checks if the current object (schema, table, collection, or view) exists in the schema object.

Warning

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TRUE if the schema, table, collection, or view still exists in the schema, else FALSE.

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Example #1 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.";
}

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Yes, the 'trees' collection is still present.