Commit42a7856

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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
`@@ -1034,7 +1034,11 @@ rv = plpy.execute(plan, ["name"], 5)`
`1034`	`1034`	`<xref linkend="plpython-sharing">). For example:`
`1035`	`1035`	`<programlisting>`
`1036`	`1036`	`CREATE FUNCTION usesavedplan() RETURNS trigger AS $$`
`1037`		`- plan = SD.setdefault("plan", plpy.prepare("SELECT 1"))`
	`1037`	`+ if "plan" in SD:`
	`1038`	`+ plan = SD["plan"]`
	`1039`	`+ else:`
	`1040`	`+ plan = plpy.prepare("SELECT 1")`
	`1041`	`+ SD["plan"] = plan`
`1038`	`1042`	`# rest of function`
`1039`	`1043`	`$$ LANGUAGE plpythonu;`
`1040`	`1044`	`</programlisting>`

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