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<br />19.07.2018, 15:20, "Heikki Linnakangas" &lt;hlinnaka@iki.fi&gt;:<br /><blockquote type="cite"><p>On 19/07/18 13:52, Andrey Borodin wrote:<br /></p><blockquote> Hi!<br /><br /><blockquote> 19 июля 2018 г., в 1:12, Heikki Linnakangas &lt;<a href="mailto:hlinnaka@iki.fi">hlinnaka@iki.fi</a>&gt;<br /> написал(а):<br /><br /> Yeah, please, I think this is the way to go.<br /></blockquote><br /> Here's v11 divided into proposed steps.<br /></blockquote><p><br />Thanks, one quick question:<br /><br /></p><blockquote>                         /* We should not unlock buffer if we are going to jump left */<br />                         if (needScan)<br />                         {<br />                                 GistBDItem *ptr = (GistBDItem *) palloc(sizeof(GistBDItem));<br />                                 ptr-&gt;buffer = buffer;<br />                                 ptr-&gt;next = bufferStack;<br />                                 bufferStack = ptr;<br />                         }<br />                         else<br />                                 UnlockReleaseBuffer(buffer);<br /></blockquote><p><br />Why? I don't see any need to keep the page locked, when we "jump left".</p></blockquote><div>Because it can split to the left again, given that we release lock.</div><div><br /></div><div>Best regards, Andrey Borodin.</div>