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<?php |
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namespace Aoe\AoeDbSequenzer\Xclass; |
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/*************************************************************** |
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* Copyright notice |
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* |
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* (c) 2017 AOE GmbH ([email protected]) |
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* All rights reserved |
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* |
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* This script is part of the TYPO3 project. The TYPO3 project is |
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* free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* The GNU General Public License can be found at |
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* http://www.gnu.org/copyleft/gpl.html. |
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* |
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* This script is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* This copyright notice MUST APPEAR in all copies of the script! |
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***************************************************************/ |
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use Aoe\AoeDbSequenzer\Sequenzer; |
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use Aoe\AoeDbSequenzer\Service\Typo3Service; |
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/** |
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* @package Aoe\AoeDbSequenzer\Xclass |
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*/ |
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class DatabaseConnection extends \TYPO3\CMS\Core\Database\DatabaseConnection |
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{ |
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/** |
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* @var boolean |
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*/ |
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private $isEnabled = true; |
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/** |
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* @var Typo3Service |
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*/ |
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private $typo3Service; |
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/** |
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* Enables the sequencer. |
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* |
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* @return void |
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*/ |
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public function enable() |
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{ |
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$this->isEnabled = true; |
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} |
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/** |
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* Disables the sequencer. |
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* |
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* @return void |
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*/ |
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public function disable() |
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{ |
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$this->isEnabled = false; |
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} |
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/** |
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* Creates and executes an INSERT SQL-statement for $table from the array with field/value pairs $fields_values. |
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* Using this function specifically allows us to handle BLOB and CLOB fields depending on DB |
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* |
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* @param string $table Table name |
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* @param array $fields_values Field values as key=>value pairs. Values will be escaped internally. Typically you would fill an array like "$insertFields" with 'fieldname'=>'value' and pass it to this function as argument. |
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* @param string /array $no_quote_fields See fullQuoteArray() |
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* @return string|NULL Full SQL query for INSERT, NULL if $fields_values is empty |
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*/ |
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function INSERTquery($table, $fields_values, $no_quote_fields = false) |
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{ |
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if ($this->isEnabled) { |
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$fields_values = $this->getTypo3Service()->modifyInsertFields($table, $fields_values); |
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} |
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return parent::INSERTquery($table, $fields_values, $no_quote_fields); |
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} |
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/** |
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* Creates an INSERT SQL-statement for $table with multiple rows. |
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* |
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* @param string $table Table name |
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* @param array $fields Field names |
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* @param array $rows Table rows. Each row should be an array with field values mapping to $fields |
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* @param bool|array|string $no_quote_fields See fullQuoteArray() |
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* @return string Full SQL query for INSERT (unless $rows does not contain any elements in which case it will be false) |
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*/ |
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public function INSERTmultipleRows($table, array $fields, array $rows, $no_quote_fields = false) |
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{ |
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if ($this->isEnabled) { |
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foreach ($rows as &$row) { |
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$row = $this->getTypo3Service()->modifyInsertFields($table, $row); |
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} |
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} |
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return parent::INSERTmultipleRows($table, $fields, $rows, $no_quote_fields); |
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} |
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/** |
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* Creates an UPDATE SQL-statement for $table where $where-clause (typ. 'uid=...') from the array with field/value pairs $fields_values. |
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* |
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* @param string $table See exec_UPDATEquery() |
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* @param string $where See exec_UPDATEquery() |
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* @param array $fields_values See exec_UPDATEquery() |
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* @param boolean $no_quote_fields See fullQuoteArray() |
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* @return string Full SQL query for UPDATE (unless $fields_values does not contain any elements in which case it will be false) |
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*/ |
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public function UPDATEquery($table, $where, $fields_values, $no_quote_fields = false) |
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{ |
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if ($this->getTypo3Service()->needsSequenzer($table) && isset($fields_values['uid'])) { |
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throw new \InvalidArgumentException('no uid allowed in update statement!', 1512378277); |
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} |
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return parent::UPDATEquery($table, $where, $fields_values, $no_quote_fields); |
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} |
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/** |
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* Creates and executes a DELETE SQL-statement for $table where $where-clause |
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* |
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* @param string $table Database tablename |
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* @param string $where WHERE clause, eg. "uid=1". NOTICE: You must escape values in this argument with $this->fullQuoteStr() yourself! |
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* @return boolean|\mysqli_result|object MySQLi result object / DBAL object |
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*/ |
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public function exec_DELETEquery($table, $where) |
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{ |
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//TODO: log deletes |
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return parent::exec_DELETEquery($table, $where); |
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} |
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/** |
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* Open a (persistent) connection to a MySQL server |
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* |
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* @param string $host Deprecated since 6.1, will be removed in two versions. Database host IP/domain[:port] |
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* @param string $username Deprecated since 6.1, will be removed in two versions. Username to connect with. |
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* @param string $password Deprecated since 6.1, will be removed in two versions. Password to connect with. |
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* @return \mysqli|NULL Returns current database handle |
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*/ |
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function sql_pconnect($host = null, $username = null, $password = null) |
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{ |
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parent::sql_pconnect(); |
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$this->getTypo3Service()->setDbLink($this->getDatabaseHandle()); |
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return $this->getDatabaseHandle(); |
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} |
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/** |
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* create instance of Typo3Service by lazy-loading |
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* |
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* Why we do this? |
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* Because some unittests backup the variable $GLOBALS (and so, also the variable $GLOBALS['TYPO3_DB']), which means, that this |
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* object/class will be serialized/unserialized, so the instance of Typo3Service will be null after unserialization! |
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* |
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* @return Typo3Service |
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*/ |
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protected function getTypo3Service() |
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{ |
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if (false === isset($this->typo3Service)) { |
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$this->typo3Service = new Typo3Service(new Sequenzer()); |
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} |
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return $this->typo3Service; |
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} |
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} |
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AOEpeople /
aoe_dbsequenzer
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.