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<?php |
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namespace yentu\database; |
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use yentu\Parameters; |
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class Column extends DatabaseItem implements Commitable |
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{ |
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private $type; |
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private $table; |
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private $length; |
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// Description items |
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private $nulls; |
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private $name; |
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private $default; |
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#[\Override] |
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protected function buildDescription() |
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{ |
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return array( |
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'name' => $this->name, |
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'type' => $this->type, |
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'table' => $this->table->getName(), |
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'schema' => $this->table->getSchema()->getName(), |
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'nulls' => $this->nulls, |
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'length' => $this->length, |
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'default' => $this->default |
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); |
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} |
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public function __construct($name, $table) |
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{ |
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$this->table = $table; |
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$this->name = $name; |
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} |
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#[\Override] |
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public function init() |
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{ |
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$column = Parameters::wrap($this->getDriver()->doesColumnExist( |
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array( |
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'table' => $this->table->getName(), |
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'schema' => $this->table->getSchema()->getName(), |
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'name' => $this->name |
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) |
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), |
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['default', 'length', 'nulls', 'type'] |
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); |
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if($column === false) { |
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$this->new = true; |
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} else { |
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$this->default = $column['default']; |
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$this->length = $column['length']; |
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$this->type = $column['type']; |
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$this->nulls = $column['nulls']; |
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} |
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} |
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public function type($type) |
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{ |
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$this->type = $type; |
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return $this; |
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} |
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public function nulls($nulls) |
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{ |
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return $this->addChange('nulls', 'nulls', $nulls); |
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} |
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public function required(bool $required) |
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{ |
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return $this->addChange('nulls', 'nulls', !$required); |
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} |
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public function defaultValue($default) |
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{ |
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return $this->addChange('default', 'default', $default); |
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} |
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#[\Override] |
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public function commitNew() |
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{ |
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$this->getDriver()->addColumn($this->buildDescription()); |
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} |
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public function length($length) |
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{ |
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$this->length = $length; |
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return $this; |
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} |
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public function drop() |
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{ |
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$this->getDriver()->dropColumn($this->buildDescription()); |
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return $this; |
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} |
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} |
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ntentan /
yentu
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