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	<title>select * from depesz; &#187; planner</title>
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		<title>Waiting for 8.5 &#8211; hinting for number of distinct values</title>
		<link>http://www.depesz.com/2009/08/12/waiting-for-8-5-hinting-for-number-of-distinct-values/</link>
		<comments>http://www.depesz.com/2009/08/12/waiting-for-8-5-hinting-for-number-of-distinct-values/#comments</comments>
		<pubDate>Wed, 12 Aug 2009 14:45:28 +0000</pubDate>
		<dc:creator>depesz</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[analyze]]></category>
		<category><![CDATA[distinct]]></category>
		<category><![CDATA[pg85]]></category>
		<category><![CDATA[pg90]]></category>
		<category><![CDATA[planner]]></category>
		<category><![CDATA[postgresql]]></category>
		<category><![CDATA[statistics]]></category>

		<guid isPermaLink="false">http://www.depesz.com/?p=1477</guid>
		<description><![CDATA[Robert Haas wrote, and Tom Lane committed (on 2nd of August) patch which adds interesting capability: Log Message: ----------- Add ALTER TABLE ... ALTER COLUMN ... SET STATISTICS DISTINCT &#160; Robert Haas Log message is rather terse, so what does it exactly do? To plan query for execution PostgreSQL has to know some basic statistics [...]]]></description>
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		<title>Waiting for 8.4 &#8211; RETURN QUERY EXECUTE and cursor_tuple_fraction</title>
		<link>http://www.depesz.com/2008/05/03/waiting-for-84-return-query-execute-and-cursor_tuple_fraction/</link>
		<comments>http://www.depesz.com/2008/05/03/waiting-for-84-return-query-execute-and-cursor_tuple_fraction/#comments</comments>
		<pubDate>Sat, 03 May 2008 12:52:19 +0000</pubDate>
		<dc:creator>depesz</dc:creator>
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		<category><![CDATA[guc]]></category>
		<category><![CDATA[pg84]]></category>
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		<category><![CDATA[plpgsql]]></category>
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		<guid isPermaLink="false">http://www.depesz.com/?p=1199</guid>
		<description><![CDATA[Today another two new additions to PostgreSQL &#8211; as You can see may commit-fest seems to work pretty good First change is new functionality in pl/pgsql: RETURN QUERY EXECUTE. Pavel Stehule, and Tom Lane committed patch which lets You use new command, or to be more specific extend existing command. &#8220;RETURN QUERY&#8221; was added in [...]]]></description>
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