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+--
+-- MISC
+--
+
+-- directory paths and dlsuffix are passed to us in environment variables
+\getenv abs_srcdir PG_ABS_SRCDIR
+\getenv abs_builddir PG_ABS_BUILDDIR
+\getenv libdir PG_LIBDIR
+\getenv dlsuffix PG_DLSUFFIX
+
+\set regresslib :libdir '/regress' :dlsuffix
+
+CREATE FUNCTION overpaid(emp)
+   RETURNS bool
+   AS :'regresslib'
+   LANGUAGE C STRICT;
+
+CREATE FUNCTION reverse_name(name)
+   RETURNS name
+   AS :'regresslib'
+   LANGUAGE C STRICT;
+
+--
+-- BTREE
+--
+UPDATE onek
+   SET unique1 = onek.unique1 + 1;
+
+UPDATE onek
+   SET unique1 = onek.unique1 - 1;
+
+--
+-- BTREE partial
+--
+-- UPDATE onek2
+--   SET unique1 = onek2.unique1 + 1;
+
+--UPDATE onek2
+--   SET unique1 = onek2.unique1 - 1;
+
+--
+-- BTREE shutting out non-functional updates
+--
+-- the following two tests seem to take a long time on some
+-- systems.    This non-func update stuff needs to be examined
+-- more closely.  			- jolly (2/22/96)
+--
+SELECT two, stringu1, ten, string4
+   INTO TABLE tmp
+   FROM onek;
+
+UPDATE tmp
+   SET stringu1 = reverse_name(onek.stringu1)
+   FROM onek
+   WHERE onek.stringu1 = 'JBAAAA' and
+	  onek.stringu1 = tmp.stringu1;
+
+UPDATE tmp
+   SET stringu1 = reverse_name(onek2.stringu1)
+   FROM onek2
+   WHERE onek2.stringu1 = 'JCAAAA' and
+	  onek2.stringu1 = tmp.stringu1;
+
+DROP TABLE tmp;
+
+--UPDATE person*
+--   SET age = age + 1;
+
+--UPDATE person*
+--   SET age = age + 3
+--   WHERE name = 'linda';
+
+--
+-- copy
+--
+\set filename :abs_builddir '/results/onek.data'
+COPY onek TO :'filename';
+
+CREATE TEMP TABLE onek_copy (LIKE onek);
+
+COPY onek_copy FROM :'filename';
+
+SELECT * FROM onek EXCEPT ALL SELECT * FROM onek_copy;
+
+SELECT * FROM onek_copy EXCEPT ALL SELECT * FROM onek;
+
+\set filename :abs_builddir '/results/stud_emp.data'
+COPY BINARY stud_emp TO :'filename';
+
+CREATE TEMP TABLE stud_emp_copy (LIKE stud_emp);
+
+COPY BINARY stud_emp_copy FROM :'filename';
+
+SELECT * FROM stud_emp_copy;
+
+--
+-- test data for postquel functions
+--
+
+CREATE TABLE hobbies_r (
+	name		text,
+	person 		text
+);
+
+CREATE TABLE equipment_r (
+	name 		text,
+	hobby		text
+);
+
+INSERT INTO hobbies_r (name, person)
+   SELECT 'posthacking', p.name
+   FROM person* p
+   WHERE p.name = 'mike' or p.name = 'jeff';
+
+INSERT INTO hobbies_r (name, person)
+   SELECT 'basketball', p.name
+   FROM person p
+   WHERE p.name = 'joe' or p.name = 'sally';
+
+INSERT INTO hobbies_r (name) VALUES ('skywalking');
+
+INSERT INTO equipment_r (name, hobby) VALUES ('advil', 'posthacking');
+
+INSERT INTO equipment_r (name, hobby) VALUES ('peet''s coffee', 'posthacking');
+
+INSERT INTO equipment_r (name, hobby) VALUES ('hightops', 'basketball');
+
+INSERT INTO equipment_r (name, hobby) VALUES ('guts', 'skywalking');
+
+--
+-- postquel functions
+--
+
+CREATE FUNCTION hobbies(person)
+   RETURNS setof hobbies_r
+   AS 'select * from hobbies_r where person = $1.name'
+   LANGUAGE SQL;
+
+CREATE FUNCTION hobby_construct(text, text)
+   RETURNS hobbies_r
+   AS 'select $1 as name, $2 as hobby'
+   LANGUAGE SQL;
+
+CREATE FUNCTION hobby_construct_named(name text, hobby text)
+   RETURNS hobbies_r
+   AS 'select name, hobby'
+   LANGUAGE SQL;
+
+CREATE FUNCTION hobbies_by_name(hobbies_r.name%TYPE)
+   RETURNS hobbies_r.person%TYPE
+   AS 'select person from hobbies_r where name = $1'
+   LANGUAGE SQL;
+
+CREATE FUNCTION equipment(hobbies_r)
+   RETURNS setof equipment_r
+   AS 'select * from equipment_r where hobby = $1.name'
+   LANGUAGE SQL;
+
+CREATE FUNCTION equipment_named(hobby hobbies_r)
+   RETURNS setof equipment_r
+   AS 'select * from equipment_r where equipment_r.hobby = equipment_named.hobby.name'
+   LANGUAGE SQL;
+
+CREATE FUNCTION equipment_named_ambiguous_1a(hobby hobbies_r)
+   RETURNS setof equipment_r
+   AS 'select * from equipment_r where hobby = equipment_named_ambiguous_1a.hobby.name'
+   LANGUAGE SQL;
+
+CREATE FUNCTION equipment_named_ambiguous_1b(hobby hobbies_r)
+   RETURNS setof equipment_r
+   AS 'select * from equipment_r where equipment_r.hobby = hobby.name'
+   LANGUAGE SQL;
+
+CREATE FUNCTION equipment_named_ambiguous_1c(hobby hobbies_r)
+   RETURNS setof equipment_r
+   AS 'select * from equipment_r where hobby = hobby.name'
+   LANGUAGE SQL;
+
+CREATE FUNCTION equipment_named_ambiguous_2a(hobby text)
+   RETURNS setof equipment_r
+   AS 'select * from equipment_r where hobby = equipment_named_ambiguous_2a.hobby'
+   LANGUAGE SQL;
+
+CREATE FUNCTION equipment_named_ambiguous_2b(hobby text)
+   RETURNS setof equipment_r
+   AS 'select * from equipment_r where equipment_r.hobby = hobby'
+   LANGUAGE SQL;
+
+--
+-- mike does post_hacking,
+-- joe and sally play basketball, and
+-- everyone else does nothing.
+--
+SELECT p.name, name(p.hobbies) FROM ONLY person p;
+
+--
+-- as above, but jeff also does post_hacking.
+--
+SELECT p.name, name(p.hobbies) FROM person* p;
+
+--
+-- the next two queries demonstrate how functions generate bogus duplicates.
+-- this is a "feature" ..
+--
+SELECT DISTINCT hobbies_r.name, name(hobbies_r.equipment) FROM hobbies_r
+  ORDER BY 1,2;
+
+SELECT hobbies_r.name, (hobbies_r.equipment).name FROM hobbies_r;
+
+--
+-- mike needs advil and peet's coffee,
+-- joe and sally need hightops, and
+-- everyone else is fine.
+--
+SELECT p.name, name(p.hobbies), name(equipment(p.hobbies)) FROM ONLY person p;
+
+--
+-- as above, but jeff needs advil and peet's coffee as well.
+--
+SELECT p.name, name(p.hobbies), name(equipment(p.hobbies)) FROM person* p;
+
+--
+-- just like the last two, but make sure that the target list fixup and
+-- unflattening is being done correctly.
+--
+SELECT name(equipment(p.hobbies)), p.name, name(p.hobbies) FROM ONLY person p;
+
+SELECT (p.hobbies).equipment.name, p.name, name(p.hobbies) FROM person* p;
+
+SELECT (p.hobbies).equipment.name, name(p.hobbies), p.name FROM ONLY person p;
+
+SELECT name(equipment(p.hobbies)), name(p.hobbies), p.name FROM person* p;
+
+SELECT name(equipment(hobby_construct(text 'skywalking', text 'mer')));
+
+SELECT name(equipment(hobby_construct_named(text 'skywalking', text 'mer')));
+
+SELECT name(equipment_named(hobby_construct_named(text 'skywalking', text 'mer')));
+
+SELECT name(equipment_named_ambiguous_1a(hobby_construct_named(text 'skywalking', text 'mer')));
+
+SELECT name(equipment_named_ambiguous_1b(hobby_construct_named(text 'skywalking', text 'mer')));
+
+SELECT name(equipment_named_ambiguous_1c(hobby_construct_named(text 'skywalking', text 'mer')));
+
+SELECT name(equipment_named_ambiguous_2a(text 'skywalking'));
+
+SELECT name(equipment_named_ambiguous_2b(text 'skywalking'));
+
+SELECT hobbies_by_name('basketball');
+
+SELECT name, overpaid(emp.*) FROM emp;
+
+--
+-- Try a few cases with SQL-spec row constructor expressions
+--
+SELECT * FROM equipment(ROW('skywalking', 'mer'));
+
+SELECT name(equipment(ROW('skywalking', 'mer')));
+
+SELECT *, name(equipment(h.*)) FROM hobbies_r h;
+
+SELECT *, (equipment(CAST((h.*) AS hobbies_r))).name FROM hobbies_r h;
+
+--
+-- functional joins
+--
+
+--
+-- instance rules
+--
+
+--
+-- rewrite rules
+--