postgresql/contrib/uuid-ossp/uuid-ossp--unpackaged--1.0.sql
Tom Lane 458857cc9d Throw a useful error message if an extension script file is fed to psql.
We have seen one too many reports of people trying to use 9.1 extension
files in the old-fashioned way of sourcing them in psql.  Not only does
that usually not work (due to failure to substitute for MODULE_PATHNAME
and/or @extschema@), but if it did work they'd get a collection of loose
objects not an extension.  To prevent this, insert an \echo ... \quit
line that prints a suitable error message into each extension script file,
and teach commands/extension.c to ignore lines starting with \echo.
That should not only prevent any adverse consequences of loading a script
file the wrong way, but make it crystal clear to users that they need to
do it differently now.

Tom Lane, following an idea of Andrew Dunstan's.  Back-patch into 9.1
... there is not going to be much value in this if we wait till 9.2.
2011-10-12 15:45:03 -04:00

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/* contrib/uuid-ossp/uuid-ossp--unpackaged--1.0.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION uuid-ossp" to load this file. \quit
ALTER EXTENSION "uuid-ossp" ADD function uuid_nil();
ALTER EXTENSION "uuid-ossp" ADD function uuid_ns_dns();
ALTER EXTENSION "uuid-ossp" ADD function uuid_ns_url();
ALTER EXTENSION "uuid-ossp" ADD function uuid_ns_oid();
ALTER EXTENSION "uuid-ossp" ADD function uuid_ns_x500();
ALTER EXTENSION "uuid-ossp" ADD function uuid_generate_v1();
ALTER EXTENSION "uuid-ossp" ADD function uuid_generate_v1mc();
ALTER EXTENSION "uuid-ossp" ADD function uuid_generate_v3(namespace uuid, name text);
ALTER EXTENSION "uuid-ossp" ADD function uuid_generate_v4();
ALTER EXTENSION "uuid-ossp" ADD function uuid_generate_v5(namespace uuid, name text);