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Diffstat (limited to 'doc/src/sgml/xfunc.sgml')
| -rw-r--r-- | doc/src/sgml/xfunc.sgml | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/src/sgml/xfunc.sgml b/doc/src/sgml/xfunc.sgml index 9fb2be4aecb..e79c1f29236 100644 --- a/doc/src/sgml/xfunc.sgml +++ b/doc/src/sgml/xfunc.sgml @@ -271,7 +271,7 @@ $$ LANGUAGE SQL; </para> </sect2> - <sect2> + <sect2 id="xfunc-sql-composite-functions"> <title><acronym>SQL</acronym> Functions on Composite Types</title> <para> @@ -492,6 +492,12 @@ SELECT emp.name, emp.double_salary FROM emp; <literal>double_salary</> isn't a real column of the table. (You can also emulate computed fields with views.) </para> + + <para> + Because of this behavior, it's unwise to give a function that takes + a single composite-type argument the same name as any of the fields of + that composite type. + </para> </tip> <para> |