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<?php |
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namespace mindplay\sql\model; |
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use mindplay\sql\framework\Driver; |
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use mindplay\sql\framework\TypeProvider; |
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use ReflectionClass; |
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use ReflectionMethod; |
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/** |
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* This is an abstract base-class for user-defined Table-types belonging to a Schema. |
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*/ |
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abstract class Table |
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{ |
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/** |
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* @var Driver |
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*/ |
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private $driver; |
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/** |
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* @var TypeProvider |
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*/ |
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private $types; |
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/** |
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* @var string |
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*/ |
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private $name; |
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/** |
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* @var string|null |
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*/ |
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private $alias; |
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/** |
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* Table constructor. |
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* |
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* @param Driver $driver |
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* @param TypeProvider $types |
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* @param string $name |
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* @param string|null $alias |
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*/ |
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public function __construct(Driver $driver, TypeProvider $types, $name, $alias) |
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{ |
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$this->driver = $driver; |
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$this->types = $types; |
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$this->name = $name; |
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$this->alias = $alias; |
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} |
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/** |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* @return string|null |
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*/ |
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public function getAlias() |
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{ |
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return $this->alias; |
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} |
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/** |
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* @return string table expression (e.g. "{table} AS {alias}" for use in the FROM clause of an SQL statement) |
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*/ |
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public function getNode() |
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{ |
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$alias = $this->getAlias(); |
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return $alias |
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? $this->driver->quoteName($this->getName()) . ' AS ' . $this->driver->quoteName($alias) |
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: $this->driver->quoteName($this->getName()); |
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} |
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/** |
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* @return Column[] list of all available Columns |
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*/ |
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public function listColumns() |
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{ |
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// create a whitelist of parent types, excluding the Table class itself: |
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$type = get_class($this); |
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$whitelist = []; |
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while ($type && $type !== self::class) { |
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$whitelist[$type] = true; |
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$type = get_parent_class($type); |
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} |
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// reflect all available public methods: |
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$reflection = new ReflectionClass($this); |
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$methods = $reflection->getMethods(ReflectionMethod::IS_PUBLIC); |
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$columns = []; |
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foreach ($methods as $method) { |
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if (isset($whitelist[$method->class]) && !$method->isStatic()) { |
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$columns[] = $this->__get($method->name); |
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} |
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} |
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return $columns; |
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} |
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/** |
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* @param string $name |
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* @param string $type Type class-name |
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* @param string|null $alias |
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* @param mixed $default |
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* |
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* @return Column |
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*/ |
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protected function requiredColumn($name, $type, $alias = null, $default = null) |
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{ |
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return new Column($this->driver, $this, $name, $this->types->getType($type), $alias, true, $default, false); |
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} |
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/** |
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* @param string $name |
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* @param string $type Type class-name |
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* @param string|null $alias |
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* @param mixed $default |
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* |
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* @return Column |
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*/ |
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protected function optionalColumn($name, $type, $alias = null, $default = null) |
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{ |
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return new Column($this->driver, $this, $name, $this->types->getType($type), $alias, false, $default, false); |
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} |
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/** |
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* @param string $name |
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* @param string $type Type class-name |
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* @param string|null $alias |
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* |
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* @return Column |
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*/ |
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protected function autoColumn($name, $type, $alias = null) |
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{ |
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return new Column($this->driver, $this, $name, $this->types->getType($type), $alias, false, null, true); |
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} |
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/** |
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* @ignore |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->driver->quoteName($this->alias ?: $this->name); |
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} |
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/** |
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* @ignore |
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* |
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* @param string $name |
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* |
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* @return Column |
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*/ |
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public function __get($name) |
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{ |
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// TODO caching |
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return $this->$name($this->alias ? "{$this->alias}_{$name}" : null); |
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} |
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} |
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mindplay-dk /
sql
