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<?php |
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namespace suda\database\struct; |
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use suda\database\exception\SQLException; |
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use suda\database\statement\QueryAccess; |
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class QueryStatement extends \suda\database\statement\QueryStatement |
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{ |
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/** |
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* 访问操作 |
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* |
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* @var QueryAccess |
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*/ |
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protected $access; |
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public function __construct(QueryAccess $access, string $query, ...$parameter) |
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{ |
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$this->access = $access; |
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parent::__construct($query, ...$parameter); |
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} |
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/** |
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* 取1 |
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* |
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* @param string|null $class |
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* @param array $args |
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* @return mixed |
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* @throws SQLException |
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*/ |
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public function one(?string $class = null, array $args = []) |
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{ |
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$this->setType(static::READ); |
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$value = $this->access->run($this->wantOne($class, $args)); |
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if (is_array($value)) { |
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return $value; |
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} |
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return null; |
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} |
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/** |
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* 取全部 |
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* |
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* @param string|null $class |
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* @param array $args |
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* @return array |
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* @throws SQLException |
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*/ |
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public function all(?string $class = null, array $args = []):array |
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{ |
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$this->setType(static::READ); |
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return $this->access->run($this->wantAll($class, $args)); |
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} |
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/** |
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* 取一列 |
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* @param string $name |
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* @param mixed $default |
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* @return mixed |
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* @throws SQLException |
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*/ |
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public function field(string $name, $default = null) |
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{ |
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$row = $this->one(); |
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return $row[$name] ?? $default; |
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} |
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/** |
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* 取数组的一列 |
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* @param string $name |
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* @return array |
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* @throws SQLException |
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*/ |
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public function allField(string $name) |
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{ |
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$row = $this->all(); |
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return array_column($row, $name); |
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} |
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/** |
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* 取1 |
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* |
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* @param string|null $class |
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* @param array $args |
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* @return mixed |
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* @throws SQLException |
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*/ |
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public function fetch(?string $class = null, array $args = []) |
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{ |
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return $this->one($class, $args); |
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} |
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/** |
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* 取全部 |
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* |
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* @param string|null $class |
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* @param array $args |
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* @return array |
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* @throws SQLException |
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*/ |
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public function fetchAll(?string $class = null, array $args = []):array |
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{ |
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return $this->all($class, $args); |
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} |
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/** |
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* 返回影响行数 |
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* |
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* @return int |
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* @throws SQLException |
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*/ |
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public function rows():int |
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{ |
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$this->returnType = WriteStatement::RET_ROWS; |
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$this->setType(static::WRITE); |
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return $this->access->run($this); |
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} |
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/** |
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* 返回是否成功 |
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* |
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* @return boolean |
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* @throws SQLException |
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*/ |
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public function ok():bool |
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{ |
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$this->returnType = WriteStatement::RET_BOOL; |
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$this->setType(static::WRITE); |
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return $this->access->run($this); |
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} |
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/** |
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* 返回ID |
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* |
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* @return string |
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* @throws SQLException |
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*/ |
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public function id():string |
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{ |
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$this->returnType = WriteStatement::RET_LAST_INSERT_ID; |
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$this->setType(static::WRITE); |
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return $this->access->run($this); |
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} |
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/** |
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* 统计 |
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* |
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* @return int |
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* @throws SQLException |
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*/ |
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public function count() { |
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$query = $this->getString(); |
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$query = preg_replace('/LIMIT\s+\d+(\s*,\s*\d+)?\s*$/ims', '', $query); |
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$totalQuery = new QueryStatement($this->getAccess(), sprintf("SELECT count(*) as count from (%s) as total", $query), |
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$this->getBinder()); |
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$totalQuery->wantType(null); |
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$data = $totalQuery->one(); |
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return intval($data['count']); |
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} |
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160
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/** |
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161
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* Get 访问操作 |
|
162
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* |
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163
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* @return QueryAccess |
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164
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*/ |
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165
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public function getAccess():QueryAccess |
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{ |
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return $this->access; |
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168
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} |
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169
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} |
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170
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dxkite /
suda
