Mega Code Archive

A multi-column sub-query using IN

postgres=# postgres=# CREATE TABLE "editions" ( postgres(# "isbn" text NOT NULL, postgres(# "book_id" integer, postgres(# "edition" integer, postgres(# "publisher_id" integer, postgres(# "publication" date, postgres(# "type" character(1) postgres(# ); CREATE TABLE postgres=# postgres=# insert into editions values('039480001X', 1608, 1, 59, '1957-03-01', 'h'); INSERT 0 1 postgres=# insert into editions values('0451160916', 7808, 1, 75, '1981-08-01', 'p'); INSERT 0 1 postgres=# insert into editions values('0394800753', 1590, 1, 59, '1949-03-01', 'p'); INSERT 0 1 postgres=# insert into editions values('0590445065', 25908, 1, 150, '1987-03-01', 'p'); INSERT 0 1 postgres=# insert into editions values('0694003611', 1501, 1, 65, '1947-03-04', 'p'); INSERT 0 1 postgres=# insert into editions values('0679803335', 1234, 1, 102, '1922-01-01', 'p'); INSERT 0 1 postgres=# insert into editions values('0760720002', 190, 1, 91, '1868-01-01', 'p'); INSERT 0 1 postgres=# insert into editions values('0394900014', 1608, 1, 59, '1957-01-01', 'p'); INSERT 0 1 postgres=# insert into editions values('0385121679', 7808, 2, 75, '1993-10-01', 'h'); INSERT 0 1 postgres=# insert into editions values('1885418035', 156, 1, 163, '1995-03-28', 'p'); INSERT 0 1 postgres=# insert into editions values('0929605942', 156, 2, 171, '1998-12-01', 'p'); INSERT 0 1 postgres=# insert into editions values('0441172717', 4513, 2, 99, '1998-09-01', 'p'); INSERT 0 1 postgres=# insert into editions values('044100590X', 4513, 3, 99, '1999-10-01', 'h'); INSERT 0 1 postgres=# insert into editions values('0451457994', 4267, 3, 101, '2000-09-12', 'p'); INSERT 0 1 postgres=# insert into editions values('0451198492', 4267, 3, 101, '1999-10-01', 'h'); INSERT 0 1 postgres=# insert into editions values('0823015505', 2038, 1, 62, '1958-01-01', 'p'); INSERT 0 1 postgres=# insert into editions values('0596000855', 41473, 2, 113, '2001-03-01', 'p'); INSERT 0 1 postgres=# postgres=# select * from editions; isbn | book_id | edition | publisher_id | publication | type ------------+---------+---------+--------------+-------------+------ 039480001X | 1608 | 1 | 59 | 1957-03-01 | h 0451160916 | 7808 | 1 | 75 | 1981-08-01 | p 0394800753 | 1590 | 1 | 59 | 1949-03-01 | p 0590445065 | 25908 | 1 | 150 | 1987-03-01 | p 0694003611 | 1501 | 1 | 65 | 1947-03-04 | p 0679803335 | 1234 | 1 | 102 | 1922-01-01 | p 0760720002 | 190 | 1 | 91 | 1868-01-01 | p 0394900014 | 1608 | 1 | 59 | 1957-01-01 | p 0385121679 | 7808 | 2 | 75 | 1993-10-01 | h 1885418035 | 156 | 1 | 163 | 1995-03-28 | p 0929605942 | 156 | 2 | 171 | 1998-12-01 | p 0441172717 | 4513 | 2 | 99 | 1998-09-01 | p 044100590X | 4513 | 3 | 99 | 1999-10-01 | h 0451457994 | 4267 | 3 | 101 | 2000-09-12 | p 0451198492 | 4267 | 3 | 101 | 1999-10-01 | h 0823015505 | 2038 | 1 | 62 | 1958-01-01 | p 0596000855 | 41473 | 2 | 113 | 2001-03-01 | p (17 rows) postgres=# postgres=# CREATE TABLE "stock" ( postgres(# "isbn" text NOT NULL, postgres(# "cost" numeric(5,2), postgres(# "retail" numeric(5,2), postgres(# "stock" integer, postgres(# Constraint "stock_pkey" Primary Key ("isbn") postgres(# ); NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "stock_pkey" for table "stock" CREATE TABLE postgres=# postgres=# postgres=# insert into stock values ('0385121679', 29.00, 36.95, 65); INSERT 0 1 postgres=# insert into stock values ('039480001X', 30.00, 32.95, 31); INSERT 0 1 postgres=# insert into stock values ('0394900014', 23.00, 23.95, 0); INSERT 0 1 postgres=# insert into stock values ('044100590X', 36.00, 45.95, 89); INSERT 0 1 postgres=# insert into stock values ('0441172717', 17.00, 21.95, 77); INSERT 0 1 postgres=# insert into stock values ('0451160916', 24.00, 28.95, 22); INSERT 0 1 postgres=# insert into stock values ('0451198492', 36.00, 46.95, 0); INSERT 0 1 postgres=# insert into stock values ('0451457994', 17.00, 22.95, 0); INSERT 0 1 postgres=# insert into stock values ('0590445065', 23.00, 23.95, 10); INSERT 0 1 postgres=# insert into stock values ('0679803335', 20.00, 24.95, 18); INSERT 0 1 postgres=# insert into stock values ('0694003611', 25.00, 28.95, 50); INSERT 0 1 postgres=# insert into stock values ('0760720002', 18.00, 23.95, 28); INSERT 0 1 postgres=# insert into stock values ('0823015505', 26.00, 28.95, 16); INSERT 0 1 postgres=# insert into stock values ('0929605942', 19.00, 21.95, 25); INSERT 0 1 postgres=# insert into stock values ('1885418035', 23.00, 24.95, 77); INSERT 0 1 postgres=# insert into stock values ('0394800753', 16.00, 16.95, 4); INSERT 0 1 postgres=# postgres=# select * FROM stock; isbn | cost | retail | stock ------------+-------+--------+------- 0385121679 | 29.00 | 36.95 | 65 039480001X | 30.00 | 32.95 | 31 0394900014 | 23.00 | 23.95 | 0 044100590X | 36.00 | 45.95 | 89 0441172717 | 17.00 | 21.95 | 77 0451160916 | 24.00 | 28.95 | 22 0451198492 | 36.00 | 46.95 | 0 0451457994 | 17.00 | 22.95 | 0 0590445065 | 23.00 | 23.95 | 10 0679803335 | 20.00 | 24.95 | 18 0694003611 | 25.00 | 28.95 | 50 0760720002 | 18.00 | 23.95 | 28 0823015505 | 26.00 | 28.95 | 16 0929605942 | 19.00 | 21.95 | 25 1885418035 | 23.00 | 24.95 | 77 0394800753 | 16.00 | 16.95 | 4 (16 rows) postgres=# postgres=# postgres=# -- A multi-column sub-query using IN postgres=# postgres=# SELECT isbn, cost, retail FROM stock postgres-# WHERE (isbn, stock) postgres-# IN (SELECT isbn, 0 FROM editions postgres(# WHERE type = 'p'); isbn | cost | retail ------------+-------+-------- 0451457994 | 17.00 | 22.95 0394900014 | 23.00 | 23.95 (2 rows) postgres=# postgres=# drop table stock; DROP TABLE postgres=# drop table editions; DROP TABLE postgres=#