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<?php |
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/** |
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* Class DBStaticRecord |
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*/ |
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class DBStaticRecord { |
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public static $_table = '_table'; |
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public static $_idField = 'id'; |
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/** |
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* @var db_mysql $dbStatic |
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*/ |
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protected static $dbStatic; |
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/** |
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* DBStaticRecord constructor. |
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* |
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* @param db_mysql|null $db |
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*/ |
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public static function _init($db = null) { |
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static::$dbStatic = (!empty($db) && $db instanceof db_mysql) || !class_exists('classSupernova', false) ? $db : classSupernova::$db; |
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} |
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/** |
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* @return DbSqlStatement |
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*/ |
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public static function buildSelect() { |
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return DbSqlStatement::build(null, get_called_class())->select(); |
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} |
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/** |
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* @return DbSqlStatement |
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*/ |
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public static function buildSelectLock() { |
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return |
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static::buildSelect() |
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->fields(1) |
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->forUpdate(); |
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} |
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/** |
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* @param array $where |
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* @param mixed|array $fieldList |
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* Field list can be scalar - it would be converted to array and used as field name |
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* @param bool $for_update |
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* |
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* @return array|null |
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* |
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* @see static::getRecordList |
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*/ |
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protected static function getRecord($where = array(), $fieldList = '*', $for_update = false) { |
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$result = static::fetchOne( |
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static::buildSelect() |
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->fields($fieldList) |
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->where($where) |
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); |
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return $result; |
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} |
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/** |
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* Get maximum ID from table |
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* |
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* @return int |
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*/ |
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public static function getMaxId() { |
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$maxId = static::getRecord(array(), DbSqlLiteral::build()->max(static::$_idField, 'maxId')); |
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return !empty($maxId['maxId']) ? $maxId['maxId'] : 0; |
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} |
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/** |
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* @param int|string $recordId |
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* @param mixed|array $fieldList |
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* @param bool $forUpdate |
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* |
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* @return array|null |
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*/ |
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public static function getRecordById($recordId, $fieldList = '*', $forUpdate = false) { |
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return static::getRecord(array(static::$_idField . '=' . $recordId), $fieldList, $forUpdate); |
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} |
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/** |
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* @param DbSqlStatement $statement |
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* |
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* @return array|bool|mysqli_result|null |
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*/ |
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protected static function execute($statement) { |
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return static::$dbStatic->execute($statement); |
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} |
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/** |
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* @param DbSqlStatement $statement |
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* |
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* @return array|null |
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*/ |
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protected static function fetchOne($statement) { |
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return static::$dbStatic->fetchOne($statement); |
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} |
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/** |
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* @param array $idList |
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* |
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* @return mysqli_result|null |
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*/ |
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/** |
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* @param array $idList |
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* |
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* @return mysqli_result|null |
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*/ |
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public static function queryExistsIdInList($idList) { |
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$query = null; |
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if (!empty($idList) && is_array($idList)) { |
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$query = static::execute( |
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static::buildSelect() |
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->fields(static::$_idField) |
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->where(array("`" . static::$_idField . "` IN (" . implode(',', $idList) . ")")) |
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); |
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} |
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return !empty($query) ? $query : null; |
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} |
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/** |
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* @param string $idList |
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* |
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* @return string |
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*/ |
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public static function filterIdListStringRepack($idList) { |
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// TODO - remove HelperArray caller |
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$idList = HelperArray::stringToArrayFilterEmpty($idList); |
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$result = array(); |
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if (!empty($idList)) { |
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$query = static::queryExistsIdInList($idList); |
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while ($row = db_fetch($query)) { |
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$result[] = $row[static::$_idField]; |
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} |
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} |
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// TODO - remove implode |
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return implode(',', $result); |
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} |
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/** |
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* |
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*/ |
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public static function lockAllRecords() { |
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static::execute( |
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static::buildSelectLock() |
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); |
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} |
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} |
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DBStaticRecord::_init(); |
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supernova-ws /
SuperNova
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.