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<?php |
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declare(strict_types=1); |
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namespace Sirius\Sql; |
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use BadMethodCallException; |
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use Generator; |
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use Sirius\Sql\Component\From; |
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/** |
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* @method array fetchAll() |
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* @method int fetchAffected() |
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* @method array fetchColumn(int $column = 0) |
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* @method array fetchGroup(int $style = PDO::FETCH_COLUMN) |
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* @method array fetchKeyPair() |
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* @method mixed fetchObject(string $class = 'stdClass', array $args = []) |
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* @method array fetchObjects(string $class = 'stdClass', array $args = []) |
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* @method array|null fetchOne() |
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* @method array fetchUnique() |
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* @method mixed fetchValue(int $column = 0) |
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* @method Generator yieldAll() |
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* @method Generator yieldColumn(int $column = 0) |
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* @method Generator yieldKeyPair() |
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* @method Generator yieldObjects(string $class = 'stdClass', array $args = []) |
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* @method Generator yieldUnique() |
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*/ |
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class Select extends Query |
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{ |
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use Clause\SelectColumns; |
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use Clause\Where; |
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use Clause\GroupBy; |
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use Clause\Having; |
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use Clause\OrderBy; |
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use Clause\Limit; |
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protected $as; |
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/** |
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* @var From |
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*/ |
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protected $from; |
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protected $unions = []; |
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protected $forUpdate = false; |
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public function __clone() |
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{ |
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$vars = get_object_vars($this); |
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unset($vars['bindings']); |
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foreach ($vars as $name => $prop) { |
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if (is_object($prop)) { |
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$this->$name = clone $prop; |
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} |
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} |
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} |
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public function __call(string $method, array $params) |
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{ |
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$prefix = substr($method, 0, 5); |
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if ($prefix == 'fetch' || $prefix == 'yield') { |
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return $this->connection->$method( |
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$this->getStatement(), |
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$this->getBindValues(), |
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...$params |
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); |
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} |
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throw new BadMethodCallException($method); |
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} |
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public function forUpdate(bool $enable = true) |
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{ |
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$this->forUpdate = $enable; |
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return $this; |
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} |
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/** |
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* Makes the query select distinct rows |
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* |
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* @param bool $enable |
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* |
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* @return $this |
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*/ |
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public function distinct(bool $enable = true) |
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{ |
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$this->setFlag('DISTINCT', $enable); |
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return $this; |
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} |
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public function from(string $ref) |
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{ |
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$this->from->table($ref); |
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return $this; |
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} |
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/** |
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* Joins a table/subselect based on a condition |
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* The condition can have named bindable placeholders (eg: :some_column) to be bound later |
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* OR sprintf-like placholders (ie: %s) that can be bound immediately with $bindInline |
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* |
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* @param string $join |
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* @param string $ref |
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* @param string $condition |
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* @param mixed ...$bindInline |
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* |
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* @return $this |
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*/ |
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public function join(string $join, $ref, string $condition = '', ...$bindInline) |
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{ |
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$join = strtoupper(trim($join)); |
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if (substr($join, -4) != 'JOIN') { |
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$join .= ' JOIN'; |
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} |
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if ($ref instanceof Select) { |
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$ref = $ref->getStatement(); |
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} |
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$this->from->join($join, $ref, $condition, ...$bindInline); |
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return $this; |
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} |
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public function union() |
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{ |
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$this->unions[] = $this->getCurrentStatement( |
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PHP_EOL . 'UNION' . PHP_EOL |
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); |
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$this->reset(); |
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return $this; |
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} |
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public function unionAll() |
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{ |
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$this->unions[] = $this->getCurrentStatement( |
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PHP_EOL . 'UNION ALL' . PHP_EOL |
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); |
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$this->reset(); |
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return $this; |
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} |
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public function as(string $as) |
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{ |
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$this->as = $as; |
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return $this; |
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} |
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public function resetFrom() |
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{ |
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$this->from = new From($this->bindings); |
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return $this; |
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} |
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public function resetAs() |
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{ |
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$this->as = null; |
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return $this; |
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} |
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public function subSelect(): Select |
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{ |
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return new Select($this->connection, $this->bindings, $this->indent . ' '); |
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} |
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public function getStatement(): string |
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{ |
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return implode('', $this->unions) . $this->getCurrentStatement(); |
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} |
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protected function getCurrentStatement(string $suffix = ''): string |
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{ |
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$stm = 'SELECT' |
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. $this->flags->build() |
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. $this->limit->buildEarly() |
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. $this->columns->build() |
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. $this->from->build() |
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. $this->where->build() |
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. $this->groupBy->build() |
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. $this->having->build() |
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. $this->orderBy->build() |
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. $this->limit->build() |
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. ($this->forUpdate ? PHP_EOL . 'FOR UPDATE' : ''); |
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if ($this->as !== null) { |
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$stm = "(" . PHP_EOL . $stm . PHP_EOL . ") AS {$this->as}"; |
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} |
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if ($this->indent) { |
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$stm = $this->indent . str_replace(PHP_EOL, PHP_EOL . $this->indent, $stm); |
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} |
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return $stm . $suffix; |
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} |
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} |
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siriusphp /
sql
