system/Database/Forge.php
public function reset()
	{
		$this->fields = $this->keys = $this->uniqueKeys = $this->primaryKeys = $this->foreignKeys = [];
	}
public function reset()
	{
		$this->fields = $this->keys = $this->uniqueKeys = $this->primaryKeys = $this->foreignKeys = [];
	}
Reset

Resets table creation vars

@return void