Fix a few contrib regression test scripts that hadn't gotten the word

about best practice for including the module creation scripts: to wit
that you should suppress NOTICE messages.  This avoids creating
regression failures by adding or removing comment lines in the module
scripts.

contrib/btree_gist/expected/init.out

@@ -2,19 +2,6 @@
 -- first, define the datatype.  Turn off echoing so that expected file
 -- does not depend on contents of btree_gist.sql.
 --
+SET client_min_messages = warning;
 \set ECHO none
-psql:btree_gist.sql:7: NOTICE:  type "gbtreekey4" is not yet defined
+RESET client_min_messages;
-DETAIL:  Creating a shell type definition.
-psql:btree_gist.sql:12: NOTICE:  argument type gbtreekey4 is only a shell
-psql:btree_gist.sql:23: NOTICE:  type "gbtreekey8" is not yet defined
-DETAIL:  Creating a shell type definition.
-psql:btree_gist.sql:28: NOTICE:  argument type gbtreekey8 is only a shell
-psql:btree_gist.sql:39: NOTICE:  type "gbtreekey16" is not yet defined
-DETAIL:  Creating a shell type definition.
-psql:btree_gist.sql:44: NOTICE:  argument type gbtreekey16 is only a shell
-psql:btree_gist.sql:55: NOTICE:  type "gbtreekey32" is not yet defined
-DETAIL:  Creating a shell type definition.
-psql:btree_gist.sql:60: NOTICE:  argument type gbtreekey32 is only a shell
-psql:btree_gist.sql:71: NOTICE:  type "gbtreekey_var" is not yet defined
-DETAIL:  Creating a shell type definition.
-psql:btree_gist.sql:76: NOTICE:  argument type gbtreekey_var is only a shell

contrib/btree_gist/sql/init.sql

@@ -2,6 +2,8 @@
 -- first, define the datatype.  Turn off echoing so that expected file
 -- does not depend on contents of btree_gist.sql.
 --
+SET client_min_messages = warning;
 \set ECHO none
 \i btree_gist.sql
 \set ECHO all
+RESET client_min_messages;

contrib/dblink/expected/dblink.out

@@ -6,7 +6,9 @@ SET search_path = public;
 --
 -- Turn off echoing so that expected file does not depend on
 -- contents of dblink.sql.
+SET client_min_messages = warning;
 \set ECHO none
+RESET client_min_messages;
 CREATE TABLE foo(f1 int, f2 text, f3 text[], primary key (f1,f2));
 NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "foo_pkey" for table "foo"
 INSERT INTO foo VALUES (0,'a','{"a0","b0","c0"}');

contrib/dblink/sql/dblink.sql

@@ -7,9 +7,11 @@ SET search_path = public;
 --
 -- Turn off echoing so that expected file does not depend on
 -- contents of dblink.sql.
+SET client_min_messages = warning;
 \set ECHO none
 \i dblink.sql
 \set ECHO all
+RESET client_min_messages;
 
 CREATE TABLE foo(f1 int, f2 text, f3 text[], primary key (f1,f2));
 INSERT INTO foo VALUES (0,'a','{"a0","b0","c0"}');

contrib/ltree/expected/ltree.out

@@ -1,16 +1,10 @@
+--
+-- first, define the datatype.  Turn off echoing so that expected file
+-- does not depend on contents of ltree.sql.
+--
+SET client_min_messages = warning;
 \set ECHO none
-psql:ltree.sql:9: NOTICE:  type "ltree" is not yet defined
+RESET client_min_messages;
-DETAIL:  Creating a shell type definition.
-psql:ltree.sql:14: NOTICE:  argument type ltree is only a shell
-psql:ltree.sql:306: NOTICE:  type "lquery" is not yet defined
-DETAIL:  Creating a shell type definition.
-psql:ltree.sql:311: NOTICE:  argument type lquery is only a shell
-psql:ltree.sql:417: NOTICE:  type "ltxtquery" is not yet defined
-DETAIL:  Creating a shell type definition.
-psql:ltree.sql:422: NOTICE:  argument type ltxtquery is only a shell
-psql:ltree.sql:484: NOTICE:  type "ltree_gist" is not yet defined
-DETAIL:  Creating a shell type definition.
-psql:ltree.sql:489: NOTICE:  argument type ltree_gist is only a shell
 SELECT ''::ltree;
  ltree 
 -------

contrib/ltree/sql/ltree.sql

@@ -1,6 +1,12 @@
+--
+-- first, define the datatype.  Turn off echoing so that expected file
+-- does not depend on contents of ltree.sql.
+--
+SET client_min_messages = warning;
 \set ECHO none
 \i ltree.sql
 \set ECHO all
+RESET client_min_messages;
 
 SELECT ''::ltree;
 SELECT '1'::ltree;

contrib/pg_trgm/expected/pg_trgm.out

@@ -1,7 +1,10 @@
+--
+-- first, define the datatype.  Turn off echoing so that expected file
+-- does not depend on contents of pg_tgrm.sql.
+--
+SET client_min_messages = warning;
 \set ECHO none
-psql:pg_trgm.sql:44: NOTICE:  type "gtrgm" is not yet defined
+RESET client_min_messages;
-DETAIL:  Creating a shell type definition.
-psql:pg_trgm.sql:49: NOTICE:  argument type gtrgm is only a shell
 select show_trgm('');
  show_trgm 
 -----------

contrib/pg_trgm/sql/pg_trgm.sql

@@ -1,6 +1,12 @@
+--
+-- first, define the datatype.  Turn off echoing so that expected file
+-- does not depend on contents of pg_tgrm.sql.
+--
+SET client_min_messages = warning;
 \set ECHO none
 \i pg_trgm.sql
 \set ECHO all
+RESET client_min_messages;
 
 select show_trgm('');
 select show_trgm('(*&^$@%@');

contrib/pgcrypto/expected/init.out

@@ -1,7 +1,13 @@
 --
 -- init pgcrypto
 --
+--
+-- first, define the functions.  Turn off echoing so that expected file
+-- does not depend on contents of pgcrypto.sql.
+--
+SET client_min_messages = warning;
 \set ECHO none
+RESET client_min_messages;
 -- check for encoding fn's
 SELECT encode('foo', 'hex');
  encode 

contrib/pgcrypto/sql/init.sql

@@ -2,9 +2,15 @@
 -- init pgcrypto
 --
 
+--
+-- first, define the functions.  Turn off echoing so that expected file
+-- does not depend on contents of pgcrypto.sql.
+--
+SET client_min_messages = warning;
 \set ECHO none
 \i pgcrypto.sql
 \set ECHO all
+RESET client_min_messages;
 
 -- check for encoding fn's
 SELECT encode('foo', 'hex');

contrib/tablefunc/expected/tablefunc.out

@@ -2,7 +2,9 @@
 -- first, define the functions.  Turn off echoing so that expected file
 -- does not depend on contents of tablefunc.sql.
 --
+SET client_min_messages = warning;
 \set ECHO none
+RESET client_min_messages;
 --
 -- normal_rand()
 -- no easy way to do this for regression testing

contrib/tablefunc/sql/tablefunc.sql

@@ -2,9 +2,11 @@
 -- first, define the functions.  Turn off echoing so that expected file
 -- does not depend on contents of tablefunc.sql.
 --
+SET client_min_messages = warning;
 \set ECHO none
 \i tablefunc.sql
 \set ECHO all
+RESET client_min_messages;
 
 --
 -- normal_rand()