system/Database/BaseConnection.php
public function simpleQuery(string $sql)
	{
		if (empty($this->connID))
		{
			$this->initialize();
		}

		return $this->execute($sql);
	}
public function simpleQuery(string $sql)
	{
		if (empty($this->connID))
		{
			$this->initialize();
		}

		return $this->execute($sql);
	}
Performs a basic query against the database. No binding or caching
is performed, nor are transactions handled. Simply takes a raw
query string and returns the database-specific result id.

@param string $sql

@return mixed