Обсуждение: table row type and query-specified row type do not match

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table row type and query-specified row type do not match

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Bill MacArthur
Дата:
Hello,

Perhaps this issue has been resolved in higher sub-versions or in 9.1?
In summary, the issue revolves around the data type of a column being changed, but the data type in a dependent rule on
anothertable does not. Does the data type have to be embedded in the rule? 
Sorry if the issue has already been discussed. Googling it didn't seem to turn up anything.
Thank you for a great product anyway!

Bill MacArthur

Postgres version: PostgreSQL 9.0.5 on x86_64-unknown-linux-gnu, compiled by GCC gcc (GCC) 4.1.2 20080704 (Red Hat
4.1.2-50),64-bit 
OS version: CentOS release 5.7 (Final)

network=# create table test.a (id bigint);
CREATE TABLE

network=# create table test.b (id integer);
CREATE TABLE
                                                         ^
network=# create rule testb_delete AS on delete to test.b DO INSERT INTO test.a (id) VALUES (old.id);
CREATE RULE

network=# insert into test.b (id) values (123);
INSERT 0 1

network=# delete from test.b;
DELETE 1

network=# select * from test.a;
  id
-----
  123
(1 row)

network=# alter table test.a alter column id type integer;
ALTER TABLE

network=# insert into test.b (id) values (12399);
INSERT 0 1

network=# delete from test.b;
ERROR:  table row type and query-specified row type do not match
DETAIL:  Table has type integer at ordinal position 1, but query expects bigint.