Add INSERT statement to example so that it can be reproduced
from John Gage
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<!-- $PostgreSQL: pgsql/doc/src/sgml/xfunc.sgml,v 1.149 2010/05/30 18:10:40 tgl Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/xfunc.sgml,v 1.150 2010/07/25 08:30:42 petere Exp $ -->
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<sect1 id="xfunc">
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<title>User-Defined Functions</title>
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@ -293,6 +293,8 @@ CREATE TABLE emp (
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cubicle point
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);
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INSERT INTO emp VALUES ('Bill', 4200, 45, '(2,1)');
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CREATE FUNCTION double_salary(emp) RETURNS numeric AS $$
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SELECT $1.salary * 2 AS salary;
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$$ LANGUAGE SQL;
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