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-rw-r--r--doc/src/sgml/plpython.sgml6
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/src/sgml/plpython.sgml b/doc/src/sgml/plpython.sgml
index 3f0e6290bb2..ce9052b61b8 100644
--- a/doc/src/sgml/plpython.sgml
+++ b/doc/src/sgml/plpython.sgml
@@ -1044,7 +1044,11 @@ rv = plpy.execute(plan, ["name"], 5)
<xref linkend="plpython-sharing">). For example:
<programlisting>
CREATE FUNCTION usesavedplan() RETURNS trigger AS $$
- plan = SD.setdefault("plan", plpy.prepare("SELECT 1"))
+ if "plan" in SD:
+ plan = SD["plan"]
+ else:
+ plan = plpy.prepare("SELECT 1")
+ SD["plan"] = plan
# rest of function
$$ LANGUAGE plpythonu;
</programlisting>