IndexSchema.php 1.42 KB
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<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright &copy; 2008-2011 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\sphinx;

use yii\base\Object;

/**
 * IndexSchema represents the metadata of a Sphinx index.
 *
 * @property array $columnNames List of column names. This property is read-only.
 *
 * @author Paul Klimov <klimov.paul@gmail.com>
 * @since 2.0
 */
class IndexSchema extends Object
{
	/**
	 * @var string name of this index.
	 */
	public $name;
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	/**
	 * @var string type of the index.
	 */
	public $type;
	/**
	 * @var boolean whether this index is a runtime index.
	 */
	public $isRuntime;
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	/**
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	 * @var string primary key of this index.
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	 */
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	public $primaryKey;
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	/**
	 * @var ColumnSchema[] column metadata of this index. Each array element is a [[ColumnSchema]] object, indexed by column names.
	 */
	public $columns = [];

	/**
	 * Gets the named column metadata.
	 * This is a convenient method for retrieving a named column even if it does not exist.
	 * @param string $name column name
	 * @return ColumnSchema metadata of the named column. Null if the named column does not exist.
	 */
	public function getColumn($name)
	{
		return isset($this->columns[$name]) ? $this->columns[$name] : null;
	}

	/**
	 * Returns the names of all columns in this table.
	 * @return array list of column names
	 */
	public function getColumnNames()
	{
		return array_keys($this->columns);
	}
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}