Commit4ffa880

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PL/Python: Fix example

Revert "6f6b46c9c0ca3d96acbebc5499c32ee6369e1eec", which was broken.Reported-by: Jonathan Rogers <jrogers@socialserve.com>

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Original file line number	Diff line number	Diff line change
`@@ -1044,7 +1044,11 @@ rv = plpy.execute(plan, ["name"], 5)`
`1044`	`1044`	`<xref linkend="plpython-sharing">). For example:`
`1045`	`1045`	`<programlisting>`
`1046`	`1046`	`CREATE FUNCTION usesavedplan() RETURNS trigger AS $$`
`1047`		`- plan = SD.setdefault("plan", plpy.prepare("SELECT 1"))`
	`1047`	`+ if "plan" in SD:`
	`1048`	`+ plan = SD["plan"]`
	`1049`	`+ else:`
	`1050`	`+ plan = plpy.prepare("SELECT 1")`
	`1051`	`+ SD["plan"] = plan`
`1048`	`1052`	`# rest of function`
`1049`	`1053`	`$$ LANGUAGE plpythonu;`
`1050`	`1054`	`</programlisting>`

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