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<?php |
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/** |
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* The Query builder API. |
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* |
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* @author RN Kushwaha <[email protected]> |
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* |
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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 Where Queries. |
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*/ |
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class WhereQueryBuilder extends QueryBuilder |
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{ |
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private $qb; |
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public function __construct(){ |
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$this->qb = new QueryBuilder(); |
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} |
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protected function prepareArrayForWhere($bindKey, $bindVal = null){ |
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$ar = $conditionAr = array(); |
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// expecting a string like 'status = :status' |
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if ($this->checkWherePrepareUsed($bindKey)) { |
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$conditionAr = preg_split('/:/', $bindKey); |
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} |
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// taking the second part just after : |
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if (is_array($conditionAr) && count($conditionAr)) { |
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$ar[':'.$conditionAr[1]] = $bindVal; |
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} |
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return $ar; |
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} |
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public function parseWhereQuery($whereQuery = []) |
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{ |
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$ar = array(); |
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foreach ($whereQuery as $where) { |
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if (is_array($where[1])) { |
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foreach ($where[1] as $key => $value) { |
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$ar[':'.$key] = $value; |
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} |
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} elseif ($where[1] != '') { |
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$arNext = $this->prepareArrayForWhere($where[0], $where[1]); |
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if (count($arNext)) { |
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$ar = array_merge($ar, $arNext); |
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} |
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} |
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} |
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return $ar; |
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} |
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public function checkWherePrepareUsed($condition) |
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{ |
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return preg_match('/:+[a-zA-Z_]/', $condition); |
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} |
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public function buildWhereQuery($conditions = array()) |
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{ |
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$query = array(); |
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if (count($conditions)) { |
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$firstTime = true; |
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$query[] = 'WHERE'; |
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$this->whereAdded = true; |
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foreach ($conditions as $where) { |
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$sign = '='; |
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if(count($where)==3) { |
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$sign = $where[1]; |
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} |
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if ($firstTime) { |
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$query[] = $this->qb->quote($where[0]).' '.$sign.' '.end($where); |
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$firstTime = false; |
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} else { |
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$query[] = 'AND '.$this->qb->quote($where[0]).' '.$sign.' '.end($where); |
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} |
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} |
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} |
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return $query; |
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} |
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public function buildWhereInClauseQuery($terms = array()) |
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{ |
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if (is_int($terms[0])) { |
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$dataStr = join(',', $terms); |
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} elseif (is_string($terms[0])) { |
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$dataStr = join("', '", $terms); |
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$dataStr = "'".$dataStr."'"; |
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} else { |
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return null; |
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} |
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return $dataStr; |
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} |
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public function buildWhereInQuery($conditions = array()) |
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{ |
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$query = array(); |
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if (count($conditions)) { |
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$firstTime = false; |
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if ($this->whereAdded === false) { |
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$query[] = 'WHERE'; |
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$firstTime = true; |
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$this->whereAdded = true; |
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} |
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foreach ($conditions as $whereIn) { |
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$dataStr = $this->buildWhereInClauseQuery($whereIn[1]); |
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if ($dataStr === null) { |
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continue; |
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} |
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if ($firstTime) { |
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$query[] = $whereIn[0].' IN ('.$dataStr.')'; |
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$firstTime = false; |
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} else { |
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$query[] = 'AND '.$whereIn[0].' IN ('.$dataStr.')'; |
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} |
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} |
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} |
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return $query; |
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} |
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public function buildWhereNotInQuery($conditions = array()) |
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{ |
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$query = array(); |
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if (count($conditions)) { |
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$firstTime = false; |
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if ($this->whereAdded === false) { |
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$query[] = 'WHERE'; |
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$firstTime = true; |
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$this->whereAdded = true; |
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} |
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foreach ($conditions as $whereNotIn) { |
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$dataStr = $this->buildWhereInClauseQuery($whereNotIn[1]); |
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if ($dataStr === null) { |
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continue; |
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} |
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if ($firstTime) { |
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$query[] = $whereNotIn[0].' NOT IN ('.$dataStr.')'; |
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$firstTime = false; |
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} else { |
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$query[] = 'AND '.$whereNotIn[0].' NOT IN ('.$dataStr.')'; |
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} |
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} |
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} |
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return $query; |
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} |
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public function buildWhereNullQuery($conditions = array()) |
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{ |
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$query = array(); |
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if (count($conditions)) { |
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$firstTime = false; |
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if ($this->whereAdded === false) { |
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$query[] = 'WHERE'; |
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$firstTime = true; |
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$this->whereAdded = true; |
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} |
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foreach ($conditions as $whereNull) { |
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if ($firstTime) { |
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$query[] = $whereNull.' IS NULL'; |
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$firstTime = false; |
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} else { |
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$query[] = 'AND '.$whereNull.' IS NULL'; |
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} |
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} |
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} |
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return $query; |
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} |
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public function buildWhereNotNullQuery($conditions = array()) |
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{ |
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$query = array(); |
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if (count($conditions)) { |
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$firstTime = false; |
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if ($this->whereAdded === false) { |
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$query[] = 'WHERE'; |
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$firstTime = true; |
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$this->whereAdded = true; |
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} |
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foreach ($conditions as $whereNotNull) { |
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if ($firstTime) { |
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$query[] = $whereNotNull.' IS NOT NULL'; |
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$firstTime = false; |
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} else { |
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$query[] = 'AND '.$whereNotNull.' IS NOT NULL'; |
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} |
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} |
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} |
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return $query; |
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} |
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public function buildAllWhereQuery($where, $whereIn, $whereNotIn, $whereNull, $whereNotNull) |
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{ |
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$query = array(); |
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$whereQuery = $this->buildWhereQuery($where); |
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if (count($whereQuery)) { |
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$query = array_merge($query, $whereQuery); |
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} |
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$whereInQuery = $this->buildWhereInQuery($whereIn); |
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if (count($whereInQuery)) { |
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$query = array_merge($query, $whereInQuery); |
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} |
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$whereNotInQuery = $this->buildWhereNotInQuery($whereNotIn); |
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if (count($whereNotInQuery)) { |
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$query = array_merge($query, $whereNotInQuery); |
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} |
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$whereNullQuery = $this->buildWhereNullQuery($whereNull); |
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if (count($whereNullQuery)) { |
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$query = array_merge($query, $whereNullQuery); |
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} |
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$whereNotNullQuery = $this->buildWhereNotNullQuery($whereNotNull); |
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if (count($whereNotNullQuery)) { |
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$query = array_merge($query, $whereNotNullQuery); |
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} |
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return $query; |
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} |
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} |
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CruzerSoftwares /
Dolphin
