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<?php |
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namespace BfwSql\Queries; |
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use \Exception; |
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/** |
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* Class to write UPDATE queries |
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* |
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* @package bfw-sql |
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* @author Vermeulen Maxime <[email protected]> |
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* @version 2.0 |
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*/ |
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class Update extends AbstractQuery |
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{ |
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use JoinTrait; |
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/** |
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* @const ERR_GENERATE_VALUES_NO_DATAS Exception code if no data to update. |
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*/ |
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const ERR_GENERATE_VALUES_NO_DATAS = 2406001; |
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/** |
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* @var \BfwSql\Helpers\Quoting $quoting The quoting system |
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*/ |
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protected $quoting; |
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/** |
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* Constructor |
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* |
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* @param \BfwSql\SqlConnect $sqlConnect Instance of SGBD connexion |
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* @param string $quoteStatus (default: QUOTE_ALL) Status to automatic |
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* quoted string value system. |
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*/ |
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public function __construct( |
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\BfwSql\SqlConnect $sqlConnect, |
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string $quoteStatus = \BfwSql\Helpers\Quoting::QUOTE_ALL |
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) { |
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parent::__construct($sqlConnect); |
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$this->quoting = new \BfwSql\Helpers\Quoting( |
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$quoteStatus, |
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$this->sqlConnect |
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); |
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} |
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/** |
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* Getter accessor to property quoting |
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* |
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* @return \BfwSql\Helpers\Quoting |
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*/ |
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public function getQuoting(): \BfwSql\Helpers\Quoting |
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{ |
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return $this->quoting; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function defineQueriesParts() |
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{ |
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parent::defineQueriesParts(); |
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$this->queriesParts['from'] = $this->queriesParts['table']; |
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$this->queriesParts['join'] = new Parts\JoinList($this); |
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$this->queriesParts['joinLeft'] = new Parts\JoinList($this); |
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$this->queriesParts['joinRight'] = new Parts\JoinList($this); |
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$this->joinDefinePrefix(); |
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$this->queriesParts['from']->setColumnsWithValue(true); |
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$this->queriesParts['join']->setColumnsWithValue(true); |
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$this->queriesParts['joinLeft']->setColumnsWithValue(true); |
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$this->queriesParts['joinRight']->setColumnsWithValue(true); |
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$this->queriesParts['table']->createColumnInstance(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function obtainGenerateOrder(): array |
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{ |
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return [ |
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'table' => [ |
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'prefix' => 'UPDATE', |
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'canBeEmpty' => false, |
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'callback' => [$this, 'generateValues'] |
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], |
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'join' => [], |
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'joinLeft' => [], |
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'joinRight' => [], |
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'where' => [] |
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]; |
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} |
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/** |
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* Callback used by assembleRequestPart method |
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* Generate the sql query part who contains columns list and their values |
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* |
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* @return string |
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* |
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* @throws \Exception |
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*/ |
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protected function generateValues(): string |
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{ |
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$sqlSet = $this->queriesParts['table']->getColumns()->generate(); |
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$joinKeyList = ['join', 'joinLeft', 'joinRight']; |
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foreach ($joinKeyList as $joinKeyName) { |
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foreach ($this->queriesParts[$joinKeyName] as $join) { |
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$joinSql = $join->getColumns()->generate(); |
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if (empty($joinSql)) { |
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continue; |
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} |
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if ($sqlSet !== '') { |
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$sqlSet .= ','; |
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} |
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$sqlSet .= $joinSql; |
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} |
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} |
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if ($sqlSet === '') { |
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throw new Exception( |
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'Queries\Update : no datas to update.', |
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self::ERR_GENERATE_VALUES_NO_DATAS |
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); |
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} |
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return $this->queriesParts['table']->generate().' SET '.$sqlSet; |
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} |
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} |
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bulton-fr /
bfw-sql
