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82 lines
2.1 KiB
82 lines
2.1 KiB
12 years ago
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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright © 2008-2011 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\sphinx;
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use yii\base\Object;
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use yii\base\InvalidParamException;
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/**
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* IndexSchema represents the metadata of a Sphinx index.
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*
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* @property array $columnNames List of column names. This property is read-only.
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*
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* @author Paul Klimov <klimov.paul@gmail.com>
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* @since 2.0
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*/
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class IndexSchema extends Object
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{
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/**
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* @var string name of the schema that this index belongs to.
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*/
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public $schemaName;
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/**
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* @var string name of this index.
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*/
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public $name;
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/**
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* @var string[] primary keys of this index.
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*/
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public $primaryKey = [];
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/**
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* @var ColumnSchema[] column metadata of this index. Each array element is a [[ColumnSchema]] object, indexed by column names.
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*/
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public $columns = [];
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/**
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* Gets the named column metadata.
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* This is a convenient method for retrieving a named column even if it does not exist.
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* @param string $name column name
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* @return ColumnSchema metadata of the named column. Null if the named column does not exist.
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*/
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public function getColumn($name)
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{
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return isset($this->columns[$name]) ? $this->columns[$name] : null;
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}
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/**
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* Returns the names of all columns in this table.
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* @return array list of column names
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*/
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public function getColumnNames()
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{
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return array_keys($this->columns);
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}
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/**
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* Manually specifies the primary key for this table.
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* @param string|array $keys the primary key (can be composite)
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* @throws InvalidParamException if the specified key cannot be found in the table.
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*/
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public function fixPrimaryKey($keys)
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{
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if (!is_array($keys)) {
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$keys = [$keys];
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}
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$this->primaryKey = $keys;
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foreach ($this->columns as $column) {
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$column->isPrimaryKey = false;
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}
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foreach ($keys as $key) {
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if (isset($this->columns[$key])) {
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$this->columns[$key]->isPrimaryKey = true;
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} else {
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throw new InvalidParamException("Primary key '$key' cannot be found in index '{$this->name}'.");
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}
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}
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}
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}
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