framework/db/Schema.php
protected function getCacheKey($name)
    {
        return [
            __CLASS__,
            $this->db->dsn,
            $this->db->username,
            $this->getRawTableName($name),
        ];
    }
protected function getCacheKey($name)
    {
        return [
            __CLASS__,
            $this->db->dsn,
            $this->db->username,
            $this->getRawTableName($name),
        ];
    }
Returns the cache key for the specified table name.
@param string $name the table name.
@return mixed the cache key.