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<?php |
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namespace LaravelFreelancerNL\Aranguent\Schema; |
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use ArangoClient\Schema\SchemaManager; |
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use Closure; |
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use Illuminate\Database\Connection; |
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use Illuminate\Support\Fluent; |
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use Illuminate\Support\Traits\Macroable; |
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use LaravelFreelancerNL\Aranguent\Schema\Concerns\Columns; |
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use LaravelFreelancerNL\Aranguent\Schema\Concerns\Indexes; |
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use LaravelFreelancerNL\Aranguent\Schema\Concerns\Tables; |
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/** |
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* Class Blueprint. |
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* |
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* The Schema blueprint works differently from the standard Illuminate version: |
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* 1) ArangoDB is schemaless: we don't need to (and can't) create columns |
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* 2) ArangoDB doesn't allow DB schema actions within AQL nor within a transaction. |
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* |
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* This means that: |
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* 1) We catch column related methods silently for backwards compatibility and ease of migrating between DB types |
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* 2) We don't need to compile AQL for transactions within the accompanying schema grammar. (for now) |
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* 3) We can just execute each command on order. We will gather them first for possible future optimisations. |
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*/ |
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class Blueprint |
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{ |
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use Macroable; |
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use Tables; |
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use Columns; |
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use Indexes; |
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/** |
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* The connection that is used by the blueprint. |
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* |
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* @var Connection |
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*/ |
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protected $connection; |
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/** |
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* The grammar that is used by the blueprint. |
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* |
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* @var Grammar |
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*/ |
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protected $grammar; |
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/** |
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* The table the blueprint describes. |
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* |
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* @var string |
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*/ |
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protected $table; |
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/** |
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* The handler for table manipulation. |
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*/ |
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protected SchemaManager $schemaManager; |
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/** |
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* The prefix of the table. |
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* |
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* @var string |
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*/ |
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protected $prefix; |
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/** |
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* The commands that should be run for the table. |
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* |
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* @var Fluent[] |
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*/ |
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protected $commands = []; |
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/** |
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* Catching columns to be able to add fluent indexes. |
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* |
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* @var array |
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*/ |
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protected $columns = []; |
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/** |
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* Whether to make the table temporary. |
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* |
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* @var bool |
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*/ |
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public $temporary = false; |
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/** |
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* Detect if _id should autoincrement. |
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* |
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* @var bool |
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*/ |
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protected $autoIncrement = false; |
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/** |
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* Create a new schema blueprint. |
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* |
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* Blueprint constructor. |
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* |
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* @param string $table |
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* @param SchemaManager $schemaManager |
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* @param Closure|null $callback |
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* @param string $prefix |
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*/ |
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public function __construct($table, $schemaManager, Closure $callback = null, $prefix = '') |
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{ |
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$this->table = $table; |
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$this->schemaManager = $schemaManager; |
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$this->prefix = $prefix; |
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if (! is_null($callback)) { |
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$callback($this); |
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} |
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} |
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/** |
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* Execute the blueprint against the database. |
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* |
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* @param Connection $connection |
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* @param Grammar $grammar |
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* @return void |
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*/ |
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public function build(Connection $connection, Grammar $grammar = null) |
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{ |
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$this->connection = $connection; |
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if (! isset($grammar)) { |
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$this->grammar = $connection->getSchemaGrammar(); |
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} |
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foreach ($this->commands as $command) { |
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if ($command->handler == 'aql') { |
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$command = $this->compileAqlCommand($command); |
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} |
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$this->executeCommand($command); |
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} |
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} |
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/** |
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* Generate the compilation method name and call it if method exists in the Grammar object. |
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*/ |
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public function compileAqlCommand(Fluent $command): Fluent |
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{ |
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$compileMethod = 'compile'.ucfirst($command->name); |
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if (method_exists($this->grammar, $compileMethod)) { |
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return $this->grammar->$compileMethod($this->table, $command); |
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} |
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return $command; |
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} |
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/** |
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* Generate the execution method name and call it if the method exists. |
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*/ |
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public function executeCommand(Fluent $command) |
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{ |
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$executeNamedMethod = 'execute'.ucfirst($command->name).'Command'; |
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$executeHandlerMethod = 'execute'.ucfirst($command->handler).'Command'; |
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if (method_exists($this, $executeNamedMethod)) { |
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$this->$executeNamedMethod($command); |
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} elseif (method_exists($this, $executeHandlerMethod)) { |
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$this->$executeHandlerMethod($command); |
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} |
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} |
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/** |
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* Execute an AQL statement. |
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*/ |
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public function executeAqlCommand(Fluent $command) |
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{ |
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$this->connection->statement($command->aqb->query, $command->aqb->binds); |
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} |
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public function executeCollectionCommand(Fluent $command): void |
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{ |
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if ($this->connection->pretending()) { |
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$this->connection->logQuery('/* '.$command->explanation." */\n", []); |
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return; |
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} |
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if (method_exists($this->schemaManager, $command->method)) { |
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$this->schemaManager->{$command->method}($command->parameters); |
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} |
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} |
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/** |
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* Solely provides feedback to the developer in pretend mode. |
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* |
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* @return null |
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*/ |
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public function executeIgnoreCommand(Fluent $command) |
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{ |
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if ($this->connection->pretending()) { |
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$this->connection->logQuery('/* '.$command->explanation." */\n", []); |
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return; |
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} |
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} |
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/** |
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* Add a new command to the blueprint. |
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* |
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* @param string $name |
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* @param array $parameters |
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* @return Fluent |
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*/ |
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protected function addCommand($name, array $parameters = []) |
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{ |
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$this->commands[] = $command = $this->createCommand($name, $parameters); |
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return $command; |
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} |
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/** |
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* Create a new Fluent command. |
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* |
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* @param string $name |
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* @param array $parameters |
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* @return Fluent |
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*/ |
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protected function createCommand($name, array $parameters = []) |
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{ |
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return new Fluent(array_merge(compact('name'), $parameters)); |
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} |
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/** |
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* Get the commands on the blueprint. |
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* |
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* @return Fluent[] |
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*/ |
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public function getCommands() |
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{ |
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return $this->commands; |
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} |
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/** |
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* Silently catch unsupported schema methods. Store columns for backwards compatible fluent index creation. |
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* |
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* @param string $method |
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* @param array<mixed> $args |
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* @return Blueprint |
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*/ |
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public function __call(string $method, array $args = []) |
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{ |
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$columnMethods = [ |
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'bigIncrements', 'bigInteger', 'binary', 'boolean', 'char', 'date', 'dateTime', 'dateTimeTz', 'decimal', |
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'double', 'enum', 'engine', 'float', 'foreignId', 'geometry', 'geometryCollection', 'increments', 'integer', |
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'ipAddress', 'json', 'jsonb', 'lineString', 'longText', 'macAddress', 'mediumIncrements', 'mediumInteger', |
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'mediumText', 'morphs', 'uuidMorphs', 'multiLineString', 'multiPoint', 'multiPolygon', |
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'nullableMorphs', 'nullableUuidMorphs', 'nullableTimestamps', 'point', 'polygon', 'rememberToken', |
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'set', 'smallIncrements', 'smallInteger', 'softDeletes', 'softDeletesTz', 'string', |
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'text', 'time', 'timeTz', 'timestamp', 'timestampTz', 'timestamps', 'tinyIncrements', 'tinyInteger', |
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'unsignedBigInteger', 'unsignedDecimal', 'unsignedInteger', 'unsignedMediumInteger', 'unsignedSmallInteger', |
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'unsignedTinyInteger', 'uuid', 'year', |
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]; |
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if (in_array($method, $columnMethods)) { |
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if (isset($args[0]) && is_string($args[0])) { |
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$this->columns[] = $args[0]; |
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} |
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} |
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$autoIncrementMethods = ['increments', 'autoIncrement']; |
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if (in_array($method, $autoIncrementMethods)) { |
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$this->autoIncrement = true; |
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} |
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$info = []; |
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$info['method'] = $method; |
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$info['explanation'] = "'$method' is ignored; Aranguent Schema Blueprint doesn't support it."; |
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$this->addCommand('ignore', $info); |
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return $this; |
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} |
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} |
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