Re: Column/type dependency recording inconsistencies
От | Tom Lane |
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Тема | Re: Column/type dependency recording inconsistencies |
Дата | |
Msg-id | 11989.1415568202@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | Column/type dependency recording inconsistencies (Petr Jelinek <petr@2ndquadrant.com>) |
Ответы |
Re: Column/type dependency recording inconsistencies
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Список | pgsql-hackers |
Petr Jelinek <petr@2ndquadrant.com> writes: > CREATE TABLE records dependency between relation and type, not between > column and type, but ALTER TABLE ADD COLUMN and ALTER TABLE ALTER COLUMN > TYPE record dependencies between relation column and type and not > between relation and type Really? I get regression=# CREATE TYPE droppabletype1 AS (a integer, b text); CREATE TYPE regression=# CREATE TABLE testtable (droppablecol1 droppabletype1, undroppablecol1 int); CREATE TABLE regression=# CREATE TYPE droppabletype2 AS (a integer, b text); CREATE TYPE regression=# alter table testtable add column f3 droppabletype2; ALTER TABLE regression=# select pg_describe_object(classid,objid,objsubid) as obj, pg_describe_object(refclassid,refobjid,refobjsubid)as ref, deptype from pg_depend where refobjid = 'droppabletype1'::regtype; obj | ref | deptype --------------------------------------+---------------------+---------composite type droppabletype1 | type droppabletype1| itype droppabletype1[] | type droppabletype1 | itable testtable column droppablecol1 | typedroppabletype1 | n (3 rows) regression=# select pg_describe_object(classid,objid,objsubid) as obj, pg_describe_object(refclassid,refobjid,refobjsubid)as ref, deptype from pg_depend where refobjid = 'droppabletype2'::regtype; obj | ref | deptype -------------------------------+---------------------+---------composite type droppabletype2 | type droppabletype2 | itypedroppabletype2[] | type droppabletype2 | itable testtable column f3 | type droppabletype2 | n (3 rows) The dependencies look just the same to me ... regards, tom lane
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