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<?php |
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/** |
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* Phossa Project |
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* |
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* PHP version 5.4 |
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* |
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* @category Library |
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* @package Phossa2\Query |
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* @copyright Copyright (c) 2016 phossa.com |
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* @license http://mit-license.org/ MIT License |
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* @link http://www.phossa.com/ |
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*/ |
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/*# declare(strict_types=1); */ |
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namespace Phossa2\Query\Traits\Clause; |
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use Phossa2\Query\Interfaces\ClauseInterface; |
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use Phossa2\Query\Interfaces\Clause\SetInterface; |
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use Phossa2\Query\Misc\Template; |
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/** |
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* SetTrait |
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* |
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* Implementation of SetInterface |
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* |
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* @package Phossa2\Query |
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* @author Hong Zhang <[email protected]> |
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* @see SetInterface |
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* @version 2.0.0 |
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* @since 2.0.0 added |
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*/ |
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trait SetTrait |
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{ |
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use AbstractTrait; |
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/** |
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* data storage |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $set_data = []; |
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/** |
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* data row number |
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* |
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* @var int |
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* @access protected |
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*/ |
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protected $set_row = 0; |
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/** |
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* storage for col names |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $set_col = []; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function set($col, $value = ClauseInterface::NO_VALUE) |
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{ |
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if (empty($col)) { // nothing |
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return $this; |
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} |
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if (is_array($col)) { // array provided |
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return $this->setWithArrayData($col); |
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} |
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if (!isset($this->set_col[$col])) { // save col names |
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$this->set_col[$col] = true; |
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} |
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$this->set_data[$this->set_row][$col] = $value; |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function setRaw(/*# string */ $col, $value = ClauseInterface::NO_VALUE) |
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{ |
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if (ClauseInterface::NO_VALUE !== $value) { |
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$value = $this->positionedParam($value, func_get_args(), 2); |
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} |
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return $this->set((string) $col, $value); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function setTpl(/*# string */ $col, /*# string */ $template, $field) |
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{ |
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$template = $this->positionedParam($template, func_get_args(), 3); |
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return $this->set($col, new Template($template, $field)); |
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} |
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/** |
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* Batch SET |
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* |
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* @param array $data |
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* @return $this |
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* @access protected |
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*/ |
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protected function setWithArrayData(array $data) |
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{ |
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if (isset($data[0])) { // multiple rows |
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foreach ($data as $row) { |
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$this->set($row); |
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} |
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} else { // multiple values |
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foreach ($data as $col => $val) { |
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$this->set($col, $val); |
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} |
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$this->set_row++; |
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} |
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return $this; |
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} |
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/** |
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* Build SET |
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* |
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* @param string $prefix |
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* @param array $settings |
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* @return string |
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* @access protected |
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*/ |
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protected function buildSet( |
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/*# string */ $prefix, |
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array $settings |
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)/*# : array */ { |
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if ('UPDATE' === $this->getType()) { |
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return $this->buildUpdateSet($prefix, $settings); |
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} else { |
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return $this->buildInsertSet($prefix, $settings); |
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} |
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} |
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/** |
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* Build SET for INSERT |
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* |
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* @param string $prefix |
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* @param array $settings |
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* @return string |
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* @access protected |
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*/ |
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protected function buildInsertSet( |
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/*# string */ $prefix, |
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array $settings |
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)/*# : string */ { |
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if (empty($this->set_data)) { |
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return ''; |
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} |
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$cols = []; |
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foreach (array_keys($this->set_col) as $col) { |
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$cols[] = $this->quote($col, $settings); |
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} |
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return $settings['seperator'] . '(' . join(', ', $cols) . ')'; |
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} |
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/** |
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* Build SET ... = ..., ... = ... |
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* |
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* |
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* @param string $prefix |
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* @param array $settings |
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* @return string |
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* @access protected |
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*/ |
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protected function buildUpdateSet( |
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/*# string */ $prefix, |
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array $settings |
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)/*# : string */ { |
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$result = []; |
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foreach ($this->set_data[0] as $col => $val) { |
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if (ClauseInterface::NO_VALUE === $val) { |
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$result[] = $col; |
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} else { |
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$result[] = $this->quote($col, $settings) . ' = ' . |
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$this->processValue($val, $settings); |
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} |
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} |
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return $this->joinClause($prefix, ',', $result, $settings); |
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} |
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/** |
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* Build VALUES ( ... ) |
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* |
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* @param string $prefix |
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* @param array $settings |
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* @return string |
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* @access protected |
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*/ |
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protected function buildValues( |
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/*# string */ $prefix, |
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array $settings |
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)/*# : string */ { |
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$rows = []; |
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$cols = array_keys($this->set_col); |
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foreach ($this->set_data as $num => $row) { |
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$values = []; |
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foreach ($cols as $col) { |
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$values[] = isset($row[$col]) ? |
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$this->processValue($row[$col], $settings) : |
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$this->nullOrDefault($settings); |
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} |
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$rows[] = '(' . join(', ', $values) . ')'; |
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} |
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return $this->joinClause($prefix, ',', $rows, $settings); |
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} |
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/** |
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* Get NULL or DEFAULT for values base on the settings |
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* |
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* @param array $settings |
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* @return string |
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* @access protected |
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*/ |
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protected function nullOrDefault(array $settings)/*# : string */ |
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{ |
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return $settings['useNullAsDefault'] ? 'NULL' : 'DEFAULT'; |
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} |
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} |
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phossa2 /
query
