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1 | 1 | <!-- |
2 | | -$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.88 2009/10/08 02:39:14 tgl Exp $ |
| 2 | +$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.89 2010/02/14 00:48:12 tgl Exp $ |
3 | 3 | --> |
4 | 4 |
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5 | 5 | <refentry id="SQL-CREATEFUNCTION"> |
@@ -585,6 +585,13 @@ CREATE FUNCTION foo(int, int default 42) ... |
585 | 585 | existing calls of the function do not stop working when it is replaced. |
586 | 586 | </para> |
587 | 587 |
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| 588 | + <para> |
| 589 | + If a function is declared <literal>STRICT</> with a <literal>VARIADIC</> |
| 590 | + argument, the strictness check tests that the variadic array <emphasis>as |
| 591 | + a whole</> is non-null. The function will still be called if the |
| 592 | + array has non-null elements. |
| 593 | + </para> |
| 594 | + |
588 | 595 | </refsect1> |
589 | 596 |
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590 | 597 | <refsect1 id="sql-createfunction-examples"> |
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