misc.source
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:4k
- --
- -- replace
- --
- --
- -- 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)
- --
- UPDATE tmp
- SET stringu1 = reverse_name(onek.stringu1)
- WHERE onek.stringu1 = 'JBAAAA' and
- onek.stringu1 = tmp.stringu1;
- UPDATE tmp
- SET stringu1 = reverse_name(onek2.stringu1)
- 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
- --
- COPY onek TO '_OBJWD_/results/onek.data';
- DELETE FROM onek;
- COPY onek FROM '_OBJWD_/results/onek.data';
- SELECT unique1 FROM onek WHERE unique1 < 2;
- DELETE FROM onek2;
- COPY onek2 FROM '_OBJWD_/results/onek.data';
- SELECT unique1 FROM onek2 WHERE unique1 < 2;
- COPY BINARY stud_emp TO '_OBJWD_/results/stud_emp.data';
- DELETE FROM stud_emp;
- COPY BINARY stud_emp FROM '_OBJWD_/results/stud_emp.data';
- SELECT * FROM stud_emp;
- -- COPY aggtest FROM stdin;
- -- 56 7.8
- -- 100 99.097
- -- 0 0.09561
- -- 42 324.78
- -- .
- -- COPY aggtest TO stdout;
- --
- -- inheritance stress test
- --
- SELECT * FROM a_star*;
- SELECT *
- FROM b_star* x
- WHERE x.b = 'bumble'::text or x.a < 3;
- SELECT class, a
- FROM c_star* x
- WHERE x.c ~ 'hi'::text;
- SELECT class, b, c
- FROM d_star* x
- WHERE x.a < 100;
- SELECT class, c FROM e_star* x WHERE x.c NOTNULL;
- SELECT * FROM f_star* x WHERE x.c ISNULL;
- -- grouping and aggregation on inherited sets have been busted in the past...
- SELECT sum(a) FROM a_star*;
- SELECT class, sum(a) FROM a_star* GROUP BY class;
- ALTER TABLE f_star RENAME COLUMN f TO ff;
- ALTER TABLE e_star* RENAME COLUMN e TO ee;
- ALTER TABLE d_star* RENAME COLUMN d TO dd;
- ALTER TABLE c_star* RENAME COLUMN c TO cc;
- ALTER TABLE b_star* RENAME COLUMN b TO bb;
- ALTER TABLE a_star* RENAME COLUMN a TO aa;
- SELECT class, aa
- FROM a_star* x
- WHERE aa ISNULL;
- ALTER TABLE a_star RENAME COLUMN aa TO foo;
- SELECT class, foo
- FROM a_star x
- WHERE x.foo >= 2;
- ALTER TABLE a_star RENAME COLUMN foo TO aa;
- SELECT *
- from a_star*
- WHERE aa < 1000;
- ALTER TABLE f_star ADD COLUMN f int4;
- UPDATE f_star SET f = 10;
- ALTER TABLE e_star* ADD COLUMN e int4;
- --UPDATE e_star* SET e = 42;
- SELECT * FROM e_star*;
- ALTER TABLE a_star* ADD COLUMN a text;
- --UPDATE b_star*
- -- SET a = 'gazpacho'::text
- -- WHERE aa > 4;
- SELECT class, aa, a FROM a_star*;
- --
- -- versions
- --
- --
- -- postquel functions
- --
- --
- -- mike does post_hacking,
- -- joe and sally play basketball, and
- -- everyone else does nothing.
- --
- SELECT p.name, p.hobbies.name FROM person p;
- --
- -- as above, but jeff also does post_hacking.
- --
- SELECT p.name, p.hobbies.name FROM person* p;
- --
- -- the next two queries demonstrate how functions generate bogus duplicates.
- -- this is a "feature" ..
- --
- SELECT DISTINCT hobbies_r.name, hobbies_r.equipment.name FROM hobbies_r;
- 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, p.hobbies.name, p.hobbies.equipment.name FROM person p;
- --
- -- as above, but jeff needs advil and peet's coffee as well.
- --
- SELECT p.name, p.hobbies.name, p.hobbies.equipment.name FROM person* p;
- --
- -- just like the last two, but make sure that the target list fixup and
- -- unflattening is being done correctly.
- --
- SELECT p.hobbies.equipment.name, p.name, p.hobbies.name FROM person p;
- SELECT p.hobbies.equipment.name, p.name, p.hobbies.name FROM person* p;
- SELECT p.hobbies.equipment.name, p.hobbies.name, p.name FROM person p;
- SELECT p.hobbies.equipment.name, p.hobbies.name, p.name FROM person* p;
- SELECT user_relns() AS user_relns
- ORDER BY user_relns;
- --SELECT name(equipment(hobby_construct('skywalking'::text, 'mer'::text))) AS equip_name;
- --
- -- functional joins
- --
- --
- -- instance rules
- --
- --
- -- rewrite rules
- --