Re: [HACKERS] INSERT INTO view means what exactly?

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] INSERT INTO view means what exactly?
Date: 1999-09-21 19:44:07
Message-ID: 199909211944.PAA15774@candle.pha.pa.us
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Does anyone know a cause for this?

> With current sources:
>
> regression=> CREATE TABLE x (y text);
> CREATE
> regression=> CREATE VIEW z AS select * from x;
> CREATE
> regression=> INSERT INTO x VALUES ('foo');
> INSERT 411635 1
> regression=> INSERT INTO z VALUES ('bar');
> INSERT 411636 1
> regression=> select * from x;
> y
> ---
> foo
> (1 row)
>
> regression=> select * from z;
> y
> ---
> foo
> (1 row)
>
> OK, where'd tuple 411636 go? Seems to me that the insert should either
> have been rejected or caused an insert into x, depending on how
> transparent you think views are (I always thought they were
> read-only?). Dropping the data into never-never land and giving a
> misleading success response code is not my idea of proper behavior.
>
> regards, tom lane
>
>

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+ If your life is a hard drive, | 830 Blythe Avenue
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