📄 inherit.out
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---- Test inheritance features--CREATE TABLE a (aa TEXT);CREATE TABLE b (bb TEXT) INHERITS (a);CREATE TABLE c (cc TEXT) INHERITS (a);CREATE TABLE d (dd TEXT) INHERITS (b,c,a);NOTICE: merging multiple inherited definitions of column "aa"NOTICE: merging multiple inherited definitions of column "aa"INSERT INTO a(aa) VALUES('aaa');INSERT INTO a(aa) VALUES('aaaa');INSERT INTO a(aa) VALUES('aaaaa');INSERT INTO a(aa) VALUES('aaaaaa');INSERT INTO a(aa) VALUES('aaaaaaa');INSERT INTO a(aa) VALUES('aaaaaaaa');INSERT INTO b(aa) VALUES('bbb');INSERT INTO b(aa) VALUES('bbbb');INSERT INTO b(aa) VALUES('bbbbb');INSERT INTO b(aa) VALUES('bbbbbb');INSERT INTO b(aa) VALUES('bbbbbbb');INSERT INTO b(aa) VALUES('bbbbbbbb');INSERT INTO c(aa) VALUES('ccc');INSERT INTO c(aa) VALUES('cccc');INSERT INTO c(aa) VALUES('ccccc');INSERT INTO c(aa) VALUES('cccccc');INSERT INTO c(aa) VALUES('ccccccc');INSERT INTO c(aa) VALUES('cccccccc');INSERT INTO d(aa) VALUES('ddd');INSERT INTO d(aa) VALUES('dddd');INSERT INTO d(aa) VALUES('ddddd');INSERT INTO d(aa) VALUES('dddddd');INSERT INTO d(aa) VALUES('ddddddd');INSERT INTO d(aa) VALUES('dddddddd');SELECT relname, a.* FROM a, pg_class where a.tableoid = pg_class.oid; relname | aa ---------+---------- a | aaa a | aaaa a | aaaaa a | aaaaaa a | aaaaaaa a | aaaaaaaa b | bbb b | bbbb b | bbbbb b | bbbbbb b | bbbbbbb b | bbbbbbbb c | ccc c | cccc c | ccccc c | cccccc c | ccccccc c | cccccccc d | ddd d | dddd d | ddddd d | dddddd d | ddddddd d | dddddddd(24 rows)SELECT relname, b.* FROM b, pg_class where b.tableoid = pg_class.oid; relname | aa | bb ---------+----------+---- b | bbb | b | bbbb | b | bbbbb | b | bbbbbb | b | bbbbbbb | b | bbbbbbbb | d | ddd | d | dddd | d | ddddd | d | dddddd | d | ddddddd | d | dddddddd | (12 rows)SELECT relname, c.* FROM c, pg_class where c.tableoid = pg_class.oid; relname | aa | cc ---------+----------+---- c | ccc | c | cccc | c | ccccc | c | cccccc | c | ccccccc | c | cccccccc | d | ddd | d | dddd | d | ddddd | d | dddddd | d | ddddddd | d | dddddddd | (12 rows)SELECT relname, d.* FROM d, pg_class where d.tableoid = pg_class.oid; relname | aa | bb | cc | dd ---------+----------+----+----+---- d | ddd | | | d | dddd | | | d | ddddd | | | d | dddddd | | | d | ddddddd | | | d | dddddddd | | | (6 rows)SELECT relname, a.* FROM ONLY a, pg_class where a.tableoid = pg_class.oid; relname | aa ---------+---------- a | aaa a | aaaa a | aaaaa a | aaaaaa a | aaaaaaa a | aaaaaaaa(6 rows)SELECT relname, b.* FROM ONLY b, pg_class where b.tableoid = pg_class.oid; relname | aa | bb ---------+----------+---- b | bbb | b | bbbb | b | bbbbb | b | bbbbbb | b | bbbbbbb | b | bbbbbbbb | (6 rows)SELECT relname, c.* FROM ONLY c, pg_class where c.tableoid = pg_class.oid; relname | aa | cc ---------+----------+---- c | ccc | c | cccc | c | ccccc | c | cccccc | c | ccccccc | c | cccccccc | (6 rows)SELECT relname, d.* FROM ONLY d, pg_class where d.tableoid = pg_class.oid; relname | aa | bb | cc | dd ---------+----------+----+----+---- d | ddd | | | d | dddd | | | d | ddddd | | | d | dddddd | | | d | ddddddd | | | d | dddddddd | | | (6 rows)UPDATE a SET aa='zzzz' WHERE aa='aaaa';UPDATE ONLY a SET aa='zzzzz' WHERE aa='aaaaa';UPDATE b SET aa='zzz' WHERE aa='aaa';UPDATE ONLY b SET aa='zzz' WHERE aa='aaa';UPDATE a SET aa='zzzzzz' WHERE aa LIKE 'aaa%';SELECT relname, a.* FROM a, pg_class where a.tableoid = pg_class.oid; relname | aa ---------+---------- a | zzzz a | zzzzz a | zzzzzz a | zzzzzz a | zzzzzz a | zzzzzz b | bbb b | bbbb b | bbbbb b | bbbbbb b | bbbbbbb b | bbbbbbbb c | ccc c | cccc c | ccccc c | cccccc c | ccccccc c | cccccccc d | ddd d | dddd d | ddddd d | dddddd d | ddddddd d | dddddddd(24 rows)SELECT relname, b.* FROM b, pg_class where b.tableoid = pg_class.oid; relname | aa | bb ---------+----------+---- b | bbb | b | bbbb | b | bbbbb | b | bbbbbb | b | bbbbbbb | b | bbbbbbbb | d | ddd | d | dddd | d | ddddd | d | dddddd | d | ddddddd | d | dddddddd | (12 rows)SELECT relname, c.* FROM c, pg_class where c.tableoid = pg_class.oid; relname | aa | cc ---------+----------+---- c | ccc | c | cccc | c | ccccc | c | cccccc | c | ccccccc | c | cccccccc | d | ddd | d | dddd | d | ddddd | d | dddddd | d | ddddddd | d | dddddddd | (12 rows)SELECT relname, d.* FROM d, pg_class where d.tableoid = pg_class.oid; relname | aa | bb | cc | dd ---------+----------+----+----+---- d | ddd | | | d | dddd | | | d | ddddd | | | d | dddddd | | | d | ddddddd | | | d | dddddddd | | | (6 rows)SELECT relname, a.* FROM ONLY a, pg_class where a.tableoid = pg_class.oid; relname | aa ---------+-------- a | zzzz a | zzzzz a | zzzzzz a | zzzzzz a | zzzzzz a | zzzzzz(6 rows)SELECT relname, b.* FROM ONLY b, pg_class where b.tableoid = pg_class.oid; relname | aa | bb ---------+----------+---- b | bbb | b | bbbb | b | bbbbb | b | bbbbbb | b | bbbbbbb | b | bbbbbbbb | (6 rows)SELECT relname, c.* FROM ONLY c, pg_class where c.tableoid = pg_class.oid; relname | aa | cc ---------+----------+---- c | ccc | c | cccc | c | ccccc | c | cccccc | c | ccccccc | c | cccccccc | (6 rows)SELECT relname, d.* FROM ONLY d, pg_class where d.tableoid = pg_class.oid; relname | aa | bb | cc | dd ---------+----------+----+----+---- d | ddd | | | d | dddd | | | d | ddddd | | | d | dddddd | | | d | ddddddd | | | d | dddddddd | | | (6 rows)UPDATE b SET aa='new';SELECT relname, a.* FROM a, pg_class where a.tableoid = pg_class.oid; relname | aa ---------+---------- a | zzzz a | zzzzz a | zzzzzz a | zzzzzz a | zzzzzz a | zzzzzz b | new b | new b | new b | new b | new b | new c | ccc c | cccc c | ccccc c | cccccc c | ccccccc c | cccccccc d | new d | new d | new d | new d | new d | new(24 rows)SELECT relname, b.* FROM b, pg_class where b.tableoid = pg_class.oid; relname | aa | bb ---------+-----+---- b | new | b | new | b | new | b | new | b | new | b | new | d | new | d | new | d | new | d | new | d | new | d | new | (12 rows)SELECT relname, c.* FROM c, pg_class where c.tableoid = pg_class.oid; relname | aa | cc ---------+----------+---- c | ccc | c | cccc | c | ccccc | ⌨️ 快捷键说明
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