Schema::existsInDatabase
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Schema::existsInDatabase — Check if exists in database
Description
public mysql_xdevapi\Schema::existsInDatabase(): bool
Checks if the current object (schema, table, collection, or view) exists in the schema object.
Warning
This function is currently not documented; only its argument list is available.
Parameters
This function has no parameters.
Return Values
true if the schema, table, collection, or view still exists in the schema, else false.
Examples
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.";
}
The above example will output something similar to:
Yes, the 'trees' collection is still present.
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