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Diffstat (limited to 'doc/src')
-rw-r--r-- | doc/src/sgml/func.sgml | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index 03859a78eaa..7fbcdfeae56 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -12481,6 +12481,15 @@ SELECT setval('foo', 42, false); <lineannotation>Next <function>nextval</func </para> </tip> + <note> + <para> + Although <token>COALESCE</token>, <token>GREATEST</token>, and + <token>LEAST</token> are syntactically similar to functions, they are + not strictly functions, and thus cannot be used with explicit + <token>VARIADIC</token> array arguments. + </para> + </note> + <sect2 id="functions-case"> <title><literal>CASE</literal></title> |