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<?php |
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namespace Nip\Database\Connections; |
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use Exception; |
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use Nip\Database\Adapters\HasAdapterTrait; |
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use Nip\Database\Metadata\Manager as MetadataManager; |
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use Nip\Database\Query\AbstractQuery as AbstractQuery; |
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use Nip\Database\Query\Delete as DeleteQuery; |
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use Nip\Database\Query\Insert as InsertQuery; |
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use Nip\Database\Query\Select as SelectQuery; |
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use Nip\Database\Query\Update as UpdateQuery; |
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use Nip\Database\Result; |
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/** |
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* Class Connection |
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* @package Nip\Database |
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*/ |
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class Connection |
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{ |
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use HasAdapterTrait; |
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/** |
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* The active PDO connection. |
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* |
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* @var PDO |
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*/ |
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protected $pdo; |
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/** |
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* The name of the connected database. |
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* |
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* @var string |
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*/ |
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protected $database; |
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/** |
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* The table prefix for the connection. |
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* |
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* @var string |
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*/ |
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protected $tablePrefix = ''; |
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/** |
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* The database connection configuration options. |
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* |
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* @var array |
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*/ |
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protected $config = []; |
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protected $metadata; |
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protected $_query; |
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protected $_queries = []; |
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/** |
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* Create a new database connection instance. |
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* |
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* @param \PDO|\Closure $pdo |
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* @param string $database |
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* @param string $tablePrefix |
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* @param array $config |
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*/ |
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public function __construct($pdo, $database = '', $tablePrefix = '', $config = []) |
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{ |
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$this->pdo = $pdo; |
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// First we will setup the default properties. We keep track of the DB |
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// name we are connected to since it is needed when some reflective |
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// type commands are run such as checking whether a table exists. |
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$this->database = $database; |
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$this->tablePrefix = $tablePrefix; |
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$this->config = $config; |
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// We need to initialize a query grammar and the query post processors |
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// which are both very important parts of the database abstractions |
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// so we initialize these to their default values while starting. |
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// $this->useDefaultQueryGrammar(); |
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// $this->useDefaultPostProcessor(); |
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} |
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/** |
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* Connects to SQL server |
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* |
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* @param string $host |
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* @param string $user |
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* @param string $password |
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* @param string $database |
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* @param bool $newLink |
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* @return static |
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*/ |
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public function connect($host, $user, $password, $database, $newLink = false) |
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{ |
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if (!$this->pdo) { |
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try { |
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$this->pdo = $this->getAdapter()->connect($host, $user, $password, $database, $newLink); |
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$this->setDatabase($database); |
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} catch (Exception $e) { |
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$e->log(); |
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} |
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} |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getDatabase() |
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{ |
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return $this->database; |
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} |
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/** |
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* @param string $database |
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*/ |
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public function setDatabase($database) |
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{ |
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$this->database = $database; |
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} |
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/** |
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* @return MetadataManager |
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*/ |
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public function getMetadata() |
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{ |
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if (!$this->metadata) { |
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$this->metadata = new MetadataManager(); |
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$this->metadata->setConnection($this); |
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} |
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return $this->metadata; |
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} |
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/** |
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* Prefixes table names |
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* |
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* @param string $table |
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* @return string |
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*/ |
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public function tableName($table) |
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{ |
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return $table; |
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} |
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/** |
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* @return AbstractQuery|SelectQuery |
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*/ |
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public function newSelect() |
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{ |
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return $this->newQuery('select'); |
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} |
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/** |
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* @param string $type optional |
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* @return AbstractQuery|SelectQuery|UpdateQuery|InsertQuery|DeleteQuery |
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*/ |
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public function newQuery($type = "select") |
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{ |
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$className = '\Nip\Database\Query\\' . inflector()->camelize($type); |
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$query = new $className(); |
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/** @var AbstractQuery $query */ |
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$query->setManager($this); |
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return $query; |
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} |
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/** |
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* @return InsertQuery |
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*/ |
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public function newInsert() |
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{ |
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return $this->newQuery('insert'); |
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} |
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/** |
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* @return UpdateQuery |
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*/ |
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public function newUpdate() |
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{ |
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return $this->newQuery('update'); |
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} |
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/** |
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* @return DeleteQuery |
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*/ |
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public function newDelete() |
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{ |
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return $this->newQuery('delete'); |
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} |
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/** |
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* Executes SQL query |
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* |
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* @param mixed|AbstractQuery $query |
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* @return Result |
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*/ |
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public function execute($query) |
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{ |
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$this->_queries[] = $query; |
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$sql = is_string($query) ? $query : $query->getString(); |
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$resultSQL = $this->getAdapter()->execute($sql); |
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$result = new Result($resultSQL, $this->getAdapter()); |
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$result->setQuery($query); |
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return $result; |
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} |
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/** |
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* Gets the ID of the last inserted record |
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* @return int |
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*/ |
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public function lastInsertID() |
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{ |
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return $this->getAdapter()->lastInsertID(); |
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} |
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/** |
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* Gets the number of rows affected by the last operation |
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* @return int |
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*/ |
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public function affectedRows() |
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{ |
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return $this->getAdapter()->affectedRows(); |
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} |
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/** |
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* Disconnects from server |
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*/ |
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public function disconnect() |
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{ |
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if ($this->pdo) { |
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try { |
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$this->getAdapter()->disconnect(); |
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} catch (Exception $e) { |
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$e->log(); |
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} |
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} |
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} |
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/** |
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* @param null|string $table |
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* @return mixed |
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*/ |
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public function describeTable($table) |
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{ |
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return $this->getAdapter()->describeTable($this->protect($table)); |
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} |
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/** |
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* Adds backticks to input |
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* |
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* @param string $input |
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* @return string |
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*/ |
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public function protect($input) |
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{ |
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return str_replace("`*`", "*", '`' . str_replace('.', '`.`', $input) . '`'); |
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} |
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/** |
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* @return array |
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*/ |
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public function getQueries() |
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{ |
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return $this->_queries; |
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} |
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} |
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..