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<?php |
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/** |
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* The JOIN Query builder API. |
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* |
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* @author RN Kushwaha <[email protected]> |
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* @since v0.0.1 <Date: 16th April, 2019> |
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*/ |
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namespace Dolphin\Builders; |
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/** |
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* This class provides the mechanism to build the Join Queries. |
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*/ |
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class JoinQueryBuilder extends QueryBuilder |
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{ |
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public function buildJoinQuery($conditions = []) |
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{ |
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$prefix = $this->getPrefix(); |
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$query = []; |
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if (!count($conditions)) { |
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return $query; |
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} |
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foreach ($conditions as $join) { |
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list($tableName, $tableAlias) = $this->addAlias($join[0]); |
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if ($join[2] == '') { |
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$query[] = 'JOIN '.$this->quote($prefix.$tableName).$tableAlias.' USING (`'.$join[1].'`)'; |
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} else { |
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$query[] = 'JOIN '.$this->quote($prefix.$tableName).$tableAlias.' ON ('.$this->quote($join[1]).' '.$join[2].' '.$this->quote($join[3]).')'; |
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} |
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} |
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return $query; |
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} |
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public function buildLeftJoinQuery($conditions = []) |
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{ |
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$prefix = $this->getPrefix(); |
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$query = []; |
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if (!count($conditions)) { |
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return $query; |
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} |
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foreach ($conditions as $leftJoin) { |
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list($tableName, $tableAlias) = $this->addAlias($leftJoin[0]); |
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if ($leftJoin[2] == '') { |
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$query[] = 'LEFT JOIN '.$this->quote($prefix.$tableName).$tableAlias.' USING (`'.$leftJoin[1].'`)'; |
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} else { |
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$query[] = 'LEFT JOIN '.$this->quote($prefix.$tableName).$tableAlias.' ON ('.$this->quote($leftJoin[1]).' '.$leftJoin[2].' '.$this->quote($leftJoin[3]).')'; |
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} |
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} |
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return $query; |
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} |
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public function buildRightJoinQuery($conditions = []) |
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{ |
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$prefix = $this->getPrefix(); |
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$query = []; |
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if (!count($conditions)) { |
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return $query; |
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} |
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foreach ($conditions as $rightJoin) { |
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list($tableName, $tableAlias) = $this->addAlias($rightJoin[0]); |
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if ($rightJoin[2] == '') { |
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$query[] = 'RIGHT JOIN '.$this->quote($prefix.$tableName).$tableAlias.' USING (`'.$rightJoin[1].'`)'; |
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} else { |
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$query[] = 'RIGHT JOIN '.$this->quote($prefix.$tableName).$tableAlias.' ON ('.$this->quote($rightJoin[1]).' '.$rightJoin[2].' '.$this->quote($rightJoin[3]).')'; |
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} |
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} |
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return $query; |
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} |
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public function buildCrossJoinQuery($conditions = []) |
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{ |
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$prefix = $this->getPrefix(); |
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$query = []; |
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if (!count($conditions)) { |
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return $query; |
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} |
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foreach ($conditions as $crossJoin) { |
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list($tableName, $tableAlias) = $this->addAlias($crossJoin[0]); |
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$query[] = 'CROSS JOIN '.$this->quote($prefix.$tableName).$tableAlias; |
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} |
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return $query; |
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} |
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public function buildAllJoinQuery($join, $leftJoin, $rightJoin, $crossJoin, $mainQuery = []) |
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{ |
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$query = []; |
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$joinQuery = $this->buildJoinQuery($join); |
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if (count($joinQuery)) { |
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$query = array_merge($query, $joinQuery); |
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} |
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$leftJoinQuery = $this->buildLeftJoinQuery($leftJoin); |
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if (count($leftJoinQuery)) { |
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$query = array_merge($query, $leftJoinQuery); |
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} |
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$rightJoinQuery = $this->buildRightJoinQuery($rightJoin); |
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if (count($rightJoinQuery)) { |
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$query = array_merge($query, $rightJoinQuery); |
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} |
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$crossJoinQuery = $this->buildCrossJoinQuery($crossJoin); |
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if (count($crossJoinQuery)) { |
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$query = array_merge($query, $crossJoinQuery); |
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} |
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if (count($query)) { |
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$mainQuery = array_merge($mainQuery, $query); |
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} |
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return $mainQuery; |
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} |
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} |
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CruzerSoftwares /
Dolphin
