Update format to add uniform headers on files.

Update output to new psql conventions.

src/test/regress/output/copy.source

-QUERY: COPY aggtest FROM '_OBJWD_/data/agg.data';
-QUERY: COPY onek FROM '_OBJWD_/data/onek.data';
-QUERY: COPY onek TO '_OBJWD_/results/onek.data';
-QUERY: DELETE FROM onek;
-QUERY: COPY onek FROM '_OBJWD_/results/onek.data';
-QUERY: COPY tenk1 FROM '_OBJWD_/data/tenk.data';
-QUERY: COPY slow_emp4000 FROM '_OBJWD_/data/rect.data';
-QUERY: COPY person FROM '_OBJWD_/data/person.data';
-QUERY: COPY emp FROM '_OBJWD_/data/emp.data';
-QUERY: COPY student FROM '_OBJWD_/data/student.data';
-QUERY: COPY stud_emp FROM '_OBJWD_/data/stud_emp.data';
-QUERY: COPY road FROM '_OBJWD_/data/streets.data';
-QUERY: COPY real_city FROM '_OBJWD_/data/real_city.data';
-QUERY: COPY hash_i4_heap FROM '_OBJWD_/data/hash.data';
-QUERY: COPY hash_name_heap FROM '_OBJWD_/data/hash.data';
-QUERY: COPY hash_txt_heap FROM '_OBJWD_/data/hash.data';
-QUERY: COPY hash_f8_heap FROM '_OBJWD_/data/hash.data';
-QUERY: COPY bt_i4_heap FROM '_OBJWD_/data/desc.data';
-QUERY: COPY bt_name_heap FROM '_OBJWD_/data/hash.data';
-QUERY: COPY bt_txt_heap FROM '_OBJWD_/data/desc.data';
-QUERY: COPY bt_f8_heap FROM '_OBJWD_/data/hash.data';
+--
+-- COPY
+--
+-- CLASS POPULATION
+--	(any resemblance to real life is purely coincidental)
+--
+COPY aggtest FROM '_OBJWD_/data/agg.data';
+COPY onek FROM '_OBJWD_/data/onek.data';
+COPY onek TO '_OBJWD_/results/onek.data';
+DELETE FROM onek;
+COPY onek FROM '_OBJWD_/results/onek.data';
+COPY tenk1 FROM '_OBJWD_/data/tenk.data';
+COPY slow_emp4000 FROM '_OBJWD_/data/rect.data';
+COPY person FROM '_OBJWD_/data/person.data';
+COPY emp FROM '_OBJWD_/data/emp.data';
+COPY student FROM '_OBJWD_/data/student.data';
+COPY stud_emp FROM '_OBJWD_/data/stud_emp.data';
+COPY road FROM '_OBJWD_/data/streets.data';
+COPY real_city FROM '_OBJWD_/data/real_city.data';
+COPY hash_i4_heap FROM '_OBJWD_/data/hash.data';
+COPY hash_name_heap FROM '_OBJWD_/data/hash.data';
+COPY hash_txt_heap FROM '_OBJWD_/data/hash.data';
+COPY hash_f8_heap FROM '_OBJWD_/data/hash.data';
+-- the data in this file has a lot of duplicates in the index key
+-- fields, leading to long bucket chains and lots of table expansion.
+-- this is therefore a stress test of the bucket overflow code (unlike
+-- the data in hash.data, which has unique index keys).
+--
+-- COPY hash_ovfl_heap FROM '_OBJWD_/data/hashovfl.data';
+COPY bt_i4_heap FROM '_OBJWD_/data/desc.data';
+COPY bt_name_heap FROM '_OBJWD_/data/hash.data';
+COPY bt_txt_heap FROM '_OBJWD_/data/desc.data';
+COPY bt_f8_heap FROM '_OBJWD_/data/hash.data';

src/test/regress/output/create_function_1.source

-QUERY: CREATE FUNCTION widget_in(opaque)
+--
+-- CREATE_FUNCTION_1
+--
+CREATE FUNCTION widget_in(opaque)
    RETURNS widget
    AS '_OBJWD_/regress_DLSUFFIX_'
-   LANGUAGE 'c';
 NOTICE:  ProcedureCreate: type 'widget' is not yet defined
-QUERY: CREATE FUNCTION widget_out(opaque)
+   LANGUAGE 'c';
+CREATE FUNCTION widget_out(opaque)
    RETURNS opaque
    AS '_OBJWD_/regress_DLSUFFIX_'
    LANGUAGE 'c';
-QUERY: CREATE FUNCTION check_primary_key ()
+CREATE FUNCTION check_primary_key ()
 	RETURNS opaque
-	AS '_OBJWD_/../../../contrib/spi/refint_DLSUFFIX_'
-	LANGUAGE 'c'
-;
-QUERY: CREATE FUNCTION check_foreign_key ()
+	AS '_OBJWD_/../../../contrib/spi/refint.so'
+	LANGUAGE 'c';
+CREATE FUNCTION check_foreign_key ()
 	RETURNS opaque
-	AS '_OBJWD_/../../../contrib/spi/refint_DLSUFFIX_'
-	LANGUAGE 'c'
-;
-QUERY: CREATE FUNCTION autoinc ()
+	AS '_OBJWD_/../../../contrib/spi/refint.so'
+	LANGUAGE 'c';
+CREATE FUNCTION autoinc ()
 	RETURNS opaque
-	AS '_OBJWD_/../../../contrib/spi/autoinc_DLSUFFIX_'
-	LANGUAGE 'c'
-;
-QUERY: CREATE FUNCTION funny_dup17 ()
+	AS '_OBJWD_/../../../contrib/spi/autoinc.so'
+	LANGUAGE 'c';
+CREATE FUNCTION funny_dup17 ()
         RETURNS opaque
         AS '_OBJWD_/regress_DLSUFFIX_'
-        LANGUAGE 'c'
-;
-QUERY: CREATE FUNCTION ttdummy ()
+        LANGUAGE 'c';
+CREATE FUNCTION ttdummy ()
         RETURNS opaque
         AS '_OBJWD_/regress_DLSUFFIX_'
-        LANGUAGE 'c'
-;
-QUERY: CREATE FUNCTION set_ttdummy (int4)
+        LANGUAGE 'c';
+CREATE FUNCTION set_ttdummy (int4)
         RETURNS int4
         AS '_OBJWD_/regress_DLSUFFIX_'
-        LANGUAGE 'c'
-;
+        LANGUAGE 'c';

src/test/regress/output/create_function_2.source

-QUERY: CREATE FUNCTION hobbies(person)
+--
+-- CREATE_FUNCTION_2
+--
+CREATE FUNCTION hobbies(person)
    RETURNS setof hobbies_r 
    AS 'select * from hobbies_r where person = $1.name'
    LANGUAGE 'sql';
-QUERY: CREATE FUNCTION hobby_construct(text, text)
+CREATE FUNCTION hobby_construct(text, text)
    RETURNS hobbies_r
    AS 'select $1 as name, $2 as hobby'
    LANGUAGE 'sql';
-QUERY: CREATE FUNCTION equipment(hobbies_r)
+CREATE FUNCTION equipment(hobbies_r)
    RETURNS setof equipment_r
    AS 'select * from equipment_r where hobby = $1.name'
    LANGUAGE 'sql';
-QUERY: CREATE FUNCTION user_relns()
+CREATE FUNCTION user_relns()
    RETURNS setof name
    AS 'select relname 
        from pg_class 
        where relname !~ ''pg_.*'' and
              relkind <> ''i'' '
    LANGUAGE 'sql';
-QUERY: CREATE FUNCTION pt_in_widget(point, widget)
+CREATE FUNCTION pt_in_widget(point, widget)
    RETURNS int4
    AS '_OBJWD_/regress_DLSUFFIX_'
    LANGUAGE 'c';
-QUERY: CREATE FUNCTION overpaid(emp)
+CREATE FUNCTION overpaid(emp)
    RETURNS bool
    AS '_OBJWD_/regress_DLSUFFIX_'
    LANGUAGE 'c';
-QUERY: CREATE FUNCTION boxarea(box)
+CREATE FUNCTION boxarea(box)
    RETURNS int4
    AS '_OBJWD_/regress_DLSUFFIX_'
    LANGUAGE 'c';
-QUERY: CREATE FUNCTION interpt_pp(path, path)
+CREATE FUNCTION interpt_pp(path, path)
    RETURNS point
    AS '_OBJWD_/regress_DLSUFFIX_'
    LANGUAGE 'c';
-QUERY: CREATE FUNCTION reverse_name(name)
+CREATE FUNCTION reverse_name(name)
    RETURNS name
    AS '_OBJWD_/regress_DLSUFFIX_'
    LANGUAGE 'c';
-QUERY: LOAD '_OBJWD_/regress_DLSUFFIX_';
+--
+-- Function dynamic loading
+--
+LOAD '/opt/postgres/current/src/test/regress/input/../regress.so';