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	<title>select * from depesz; &#187; returning</title>
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		<title>Waiting for 9.1 &#8211; Writable CTE</title>
		<link>http://www.depesz.com/2011/03/16/waiting-for-9-1-writable-cte/</link>
		<comments>http://www.depesz.com/2011/03/16/waiting-for-9-1-writable-cte/#comments</comments>
		<pubDate>Wed, 16 Mar 2011 13:29:37 +0000</pubDate>
		<dc:creator>depesz</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[cte]]></category>
		<category><![CDATA[dml]]></category>
		<category><![CDATA[pg91]]></category>
		<category><![CDATA[postgresql]]></category>
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		<guid isPermaLink="false">http://www.depesz.com/?p=2137</guid>
		<description><![CDATA[On 25th of February, Tom Lane committed patch: Support data-modifying commands (INSERT/UPDATE/DELETE) in WITH. &#160; This patch implements data-modifying WITH queries according to the semantics that the updates all happen with the same command counter value, and in an unspecified order. Therefore one WITH clause can't see the effects of another, nor can the outer [...]]]></description>
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		<title>Waiting for 8.4 &#8211; sql-wrappable RETURNING</title>
		<link>http://www.depesz.com/2008/11/03/waiting-for-84-sql-wrappable-returning/</link>
		<comments>http://www.depesz.com/2008/11/03/waiting-for-84-sql-wrappable-returning/#comments</comments>
		<pubDate>Mon, 03 Nov 2008 12:37:16 +0000</pubDate>
		<dc:creator>depesz</dc:creator>
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		<category><![CDATA[functions]]></category>
		<category><![CDATA[pg84]]></category>
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		<category><![CDATA[returning]]></category>
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		<guid isPermaLink="false">http://www.depesz.com/?p=1307</guid>
		<description><![CDATA[In PostgreSQL 8.2, we got &#8220;RETURNING&#8221; clause in INSERT/UPDATE/DELETE queries. Unfortunately it could not be used as source of rows for anything in sql. insert into table_backup delete from table where ... returning *; Well, it&#8217;s still not possible, but it is a one step closer, thanks to patch written and committed by Tom Lane [...]]]></description>
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