diff options
Diffstat (limited to 'src/man/create_function.l')
| -rw-r--r-- | src/man/create_function.l | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/man/create_function.l b/src/man/create_function.l index 917d3e7cdab..7fbc4d50790 100644 --- a/src/man/create_function.l +++ b/src/man/create_function.l @@ -1,6 +1,6 @@ .\" This is -*-nroff-*- .\" XXX standard disclaimer belongs here.... -.\" $Header: /cvsroot/pgsql/src/man/Attic/create_function.l,v 1.3 1997/09/10 20:19:23 momjian Exp $ +.\" $Header: /cvsroot/pgsql/src/man/Attic/create_function.l,v 1.4 1997/10/30 05:38:17 vadim Exp $ .TH "CREATE FUNCTION" SQL 11/05/95 PostgreSQL PostgreSQL .SH "NAME" create function \(em define a new function @@ -10,7 +10,7 @@ create function \(em define a new function \fB(\fP[type1 {, type-n}]\fB)\fP \fBreturns\fP type-r \fBas\fP {'/full/path/to/objectfile' | 'sql-queries'} - \fBlanguage\fP {'c' \ 'sql' \ 'internal'} + \fBlanguage\fP {'c' \ 'sql' \ 'internal' \ 'plname'} .fi .SH "DESCRIPTION" With this command, a Postgres user can register a function with Postgres. @@ -29,6 +29,12 @@ or .IR "\*(lqsql\*(rq" . or .IR "\*(lqinternal\*(rq" . +or +.IR "\*(lqplname\*(rq" . +(The +.IR "plname" +is the language name of a created procedural language. See +create language(l) for details.) (The .IR "arg is" clause may be left out if the function has no arguments, or @@ -291,6 +297,12 @@ a $n syntax: $1 refers to the first argument, $2 to the second, and so on. If an argument is complex, then a \*(lqdot\*(rq notation may be used to access attributes of the argument (e.g. \*(lq$1.emp\*(rq), or to invoke functions via a nested-dot syntax. +.SH "PL FUNCTIONS" +Procedural languages aren't builtin to Postgres. They are offered +by loadable modules. Please refer to the documentation for the +PL in question for details about the syntax and how the +.IR "as" +clause is interpreted by the PL handler. .SH "EXAMPLES: C Functions" The following command defines a C function, overpaid, of two basetype arguments. @@ -378,7 +390,7 @@ select function hobbies (EMP) returns set of HOBBIES language 'sql' .SH "SEE ALSO" .PP -information(1), load(l), drop function(l). +information(1), load(l), drop function(l), create language(l). .SH "NOTES" .SH "Name Space Conflicts" More than one function may be defined with the same name, as long as |