diff options
Diffstat (limited to 'doc/src/sgml/datatype.sgml')
| -rw-r--r-- | doc/src/sgml/datatype.sgml | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml index fd81d447fd0..b8053f94e55 100644 --- a/doc/src/sgml/datatype.sgml +++ b/doc/src/sgml/datatype.sgml @@ -1,5 +1,5 @@ <!-- -$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.121 2003/07/29 00:03:17 tgl Exp $ +$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.122 2003/08/09 22:50:21 tgl Exp $ --> <chapter id="datatype"> @@ -2994,6 +2994,10 @@ SELECT * FROM test; </indexterm> <indexterm zone="datatype-pseudo"> + <primary>anyelement</primary> + </indexterm> + + <indexterm zone="datatype-pseudo"> <primary>void</primary> </indexterm> @@ -3053,7 +3057,14 @@ SELECT * FROM test; <row> <entry><type>anyarray</></entry> - <entry>Indicates that a function accepts any array data type.</entry> + <entry>Indicates that a function accepts any array data type + (see <xref linkend="types-polymorphic">).</entry> + </row> + + <row> + <entry><type>anyelement</></entry> + <entry>Indicates that a function accepts any data type + (see <xref linkend="types-polymorphic">).</entry> </row> <row> @@ -3101,8 +3112,10 @@ SELECT * FROM test; Functions coded in procedural languages may use pseudo-types only as allowed by their implementation languages. At present the procedural languages all forbid use of a pseudo-type as argument type, and allow - only <type>void</> as a result type (plus <type>trigger</> when the - function is used as a trigger). + only <type>void</> and <type>record</> as a result type (plus + <type>trigger</> when the function is used as a trigger). Some also + support polymorphic functions using the types <type>anyarray</> and + <type>anyelement</>. </para> <para> |