Re: [HACKERS] INSERT into VIEW
От | wieck@debis.com (Jan Wieck) |
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Тема | Re: [HACKERS] INSERT into VIEW |
Дата | |
Msg-id | m10qidf-0003kGC@orion.SAPserv.Hamburg.dsh.de обсуждение исходный текст |
Ответ на | INSERT into VIEW (Oleg Broytmann <phd@sun.med.ru>) |
Список | pgsql-hackers |
> > Hello! > > PostgreSQL 6.4.2. > > ran=> create table t (some_number int4, some_string text); > CREATE > ran=> insert into t values(-1,'a'); > INSERT 20362 1 > ran=> insert into t values(1,'d'); > INSERT 20363 1 > ran=> create view v as select * from t where some_number>=0; > CREATE > ran=> insert into v values (17,'q'); > INSERT 20375 1 > ran=> select * from t; > some_number|some_string > -----------+----------- > -1|a > 1|d > (2 rows) > > What is 20375? Is it real OID of dummy row? It's the OID of the real row that got stored into relation v. Do a DROP RULE "_RETv"; SELECT * FROM v; and you'll get back your (17,'q') row. Maybe you should read now some chapters in the programmers manual about the implementation of views, the rule system etc. Jan -- #======================================================================# # It's easier to get forgiveness for being wrong than for being right. # # Let's break this rule - forgive me. # #========================================= wieck@debis.com (Jan Wieck) #
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