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PL/Python: Update example

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Change the usesavedplan() example to use a more modern Python style
using the .setdefault() function.
This commit is contained in:
Peter Eisentraut
2012-01-18 21:02:09 +02:00
parent 326b922e8b
commit 6f6b46c9c0
1 changed files with 1 additions and 5 deletions
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6
doc/src/sgml/plpython.sgml
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@ -955,11 +955,7 @@ rv = plpy.execute(plan, [ "name" ], 5)
<xref linkend="plpython-sharing">). For example: <xref linkend="plpython-sharing">). For example:
<programlisting> <programlisting>
CREATE FUNCTION usesavedplan() RETURNS trigger AS $$ CREATE FUNCTION usesavedplan() RETURNS trigger AS $$
if SD.has_key("plan"): plan = SD.setdefault("plan", plpy.prepare("SELECT 1"))
plan = SD["plan"]
else:
plan = plpy.prepare("SELECT 1")
SD["plan"] = plan
# rest of function # rest of function
$$ LANGUAGE plpythonu; $$ LANGUAGE plpythonu;
</programlisting> </programlisting>