Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nC6FX-00074y-TB for pgsql-www@arkaria.postgresql.org; Mon, 24 Jan 2022 20:47:39 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1nC6FV-0007wP-Tx for pgsql-www@arkaria.postgresql.org; Mon, 24 Jan 2022 20:47:37 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nC6FV-0007wG-NQ for pgsql-www@lists.postgresql.org; Mon, 24 Jan 2022 20:47:37 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nC6FT-0004HB-Hr for pgsql-www@postgresql.org; Mon, 24 Jan 2022 20:47:37 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 20OKlTNk2150097; Mon, 24 Jan 2022 15:47:29 -0500 From: Tom Lane To: Bruce Momjian cc: Laurenz Albe , James Addison , pgsql-www@postgresql.org Subject: Re: Mailing list search engine: surprising missing results? In-reply-to: References: Comments: In-reply-to Bruce Momjian message dated "Mon, 24 Jan 2022 14:28:00 -0500" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2150095.1643057249.1@sss.pgh.pa.us> Date: Mon, 24 Jan 2022 15:47:29 -0500 Message-ID: <2150096.1643057249@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Bruce Momjian writes: > On Mon, Jan 24, 2022 at 08:27:41AM +0100, Laurenz Albe wrote: >> The reason is that the 'moore' in 'boyer-moore' is stemmed, since it >> is at the end of the word, while the 'moore' in 'Boyer-Moore-Horspool' >> isn't: > Wow, he showed me this problem earlier but I never suspected it was > stemming issue because I never considered proper nowns could be > stem-adjusted, but it is obvious they can. I wonder if we should change that so that components of a compound word are consistently stemmed the same way. regards, tom lane