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From: =?utf-8?B?Y2NhNTUwNw==?= <[email protected]>
To: =?utf-8?B?SGVpa2tpIExpbm5ha2FuZ2Fz?= <[email protected]>
To: =?utf-8?B?cGdzcWwtaGFja2Vycw==?= <[email protected]>
Subject: Re: Support loser tree for k-way merge
Date: Wed, 3 Dec 2025 21:18:57 +0800
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>

> So on specific data, the heap may be better than the loser tree. But I think the possibility
> is very small.

For example, a column contains all the same values, so the heap can always early return
when replacing top.

--
Regards,
ChangAo Chen

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