diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2010-02-14 00:48:20 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2010-02-14 00:48:20 +0000 |
| commit | 9908950f1131283d27ac2d195d2607b7f5b36d61 (patch) | |
| tree | 353c472c6f0974b25a657f321ed84e030b84a249 /doc/src | |
| parent | 45c17a7ad52fdb1b281954c475b294281bd2612e (diff) | |
Document the behavior of STRICT VARIADIC functions.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/ref/create_function.sgml | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/src/sgml/ref/create_function.sgml b/doc/src/sgml/ref/create_function.sgml index ce6141107a7..a836d808c11 100644 --- a/doc/src/sgml/ref/create_function.sgml +++ b/doc/src/sgml/ref/create_function.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.84.2.2 2009/10/02 18:13:10 tgl Exp $ +$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.84.2.3 2010/02/14 00:48:20 tgl Exp $ --> <refentry id="SQL-CREATEFUNCTION"> @@ -570,6 +570,13 @@ CREATE FUNCTION foo(int, int default 42) ... to replace it (this includes being a member of the owning role). </para> + <para> + If a function is declared <literal>STRICT</> with a <literal>VARIADIC</> + argument, the strictness check tests that the variadic array <emphasis>as + a whole</> is non-null. The function will still be called if the + array has non-null elements. + </para> + </refsect1> <refsect1 id="sql-createfunction-examples"> |