| 1: | <?php |
| 2: | |
| 3: | |
| 4: | |
| 5: | |
| 6: | |
| 7: | |
| 8: | namespace Aurora\System\Db; |
| 9: | |
| 10: | |
| 11: | |
| 12: | |
| 13: | |
| 14: | |
| 15: | |
| 16: | |
| 17: | |
| 18: | class Key |
| 19: | { |
| 20: | public const TYPE_KEY = 0; |
| 21: | public const TYPE_UNIQUE_KEY = 1; |
| 22: | public const TYPE_PRIMARY_KEY = 2; |
| 23: | public const TYPE_INDEX = 3; |
| 24: | public const TYPE_FULLTEXT = 4; |
| 25: | |
| 26: | |
| 27: | |
| 28: | |
| 29: | protected $iType; |
| 30: | |
| 31: | |
| 32: | |
| 33: | |
| 34: | protected $aFields; |
| 35: | |
| 36: | |
| 37: | |
| 38: | |
| 39: | |
| 40: | |
| 41: | public function __construct($iType, array $aFields) |
| 42: | { |
| 43: | $this->iType = $iType; |
| 44: | $this->aFields = $aFields; |
| 45: | } |
| 46: | |
| 47: | |
| 48: | |
| 49: | |
| 50: | public function GetType() |
| 51: | { |
| 52: | return $this->iType; |
| 53: | } |
| 54: | |
| 55: | |
| 56: | |
| 57: | |
| 58: | |
| 59: | public function GetName($sTableName) |
| 60: | { |
| 61: | $aList = $this->aFields; |
| 62: | sort($aList); |
| 63: | return strtoupper($sTableName.'_'.implode('_', $aList).'_INDEX'); |
| 64: | } |
| 65: | |
| 66: | |
| 67: | |
| 68: | |
| 69: | public function GetIndexesFields() |
| 70: | { |
| 71: | return $this->aFields; |
| 72: | } |
| 73: | |
| 74: | |
| 75: | |
| 76: | |
| 77: | public function ToString($oHelper, $sTableName) |
| 78: | { |
| 79: | $sResult = ''; |
| 80: | if (0 < count($this->aFields)) { |
| 81: | switch ($this->iType) { |
| 82: | case Key::TYPE_PRIMARY_KEY: |
| 83: | $sResult .= 'PRIMARY KEY'; |
| 84: | break; |
| 85: | case Key::TYPE_UNIQUE_KEY: |
| 86: | $sResult .= 'UNIQUE '.$oHelper->EscapeColumn($this->GetName($sTableName)); |
| 87: | break; |
| 88: | case Key::TYPE_INDEX: |
| 89: | $sResult .= 'INDEX '.$oHelper->EscapeColumn($this->GetName($sTableName)); |
| 90: | break; |
| 91: | |
| 92: | |
| 93: | |
| 94: | } |
| 95: | |
| 96: | $aValues = array_map(array(&$oHelper, 'EscapeColumn'), $this->aFields); |
| 97: | $sResult .= ' ('.implode(', ', $aValues).')'; |
| 98: | } |
| 99: | |
| 100: | return trim($sResult); |
| 101: | } |
| 102: | |
| 103: | |
| 104: | |
| 105: | |
| 106: | public function ToSingleIndexRequest($oHelper, $sTableName) |
| 107: | { |
| 108: | return $oHelper->CreateIndexRequest($this->iType, $sTableName, $this->GetName($sTableName), $this->aFields); |
| 109: | } |
| 110: | } |
| 111: | |