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Re: Domain Support -- another round

From: "Rod Taylor" <rbt(at)barchord(dot)com>
To: "Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: "Peter Eisentraut" <peter_e(at)gmx(dot)net>,<pgsql-patches(at)postgresql(dot)org>
Subject: Re: Domain Support -- another round
Date: 2002-03-19 02:36:34
Message-ID: 030801c1ceee$e32c8ad0$8001a8c0@jester (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Output looks good, but I always got a bunch of NOTICE statements.

I'll assume the lack of those is related to the logging changes that
have been going on?
--
Rod Taylor

This message represents the official view of the voices in my head

----- Original Message -----
From: "Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: "Rod Taylor" <rbt(at)zort(dot)ca>
Cc: "Peter Eisentraut" <peter_e(at)gmx(dot)net>;
<pgsql-patches(at)postgresql(dot)org>
Sent: Monday, March 18, 2002 9:16 PM
Subject: Re: [PATCHES] Domain Support -- another round


>
> Patch applied.  I am attaching the expected/domain.out file that I
> generated when I added your domain test file to the regression
tests.
> Please verify that the output is correct.  Thanks.
>
> --------------------------------------------------------------------
-------
>
> Rod Taylor wrote:
> > New set with most of Peters comments corrected.  Left the deal
about
> > schema though :)  Took nearly an hour to do a cvs diff for some
reason
> > this time (normally a couple of minutes is enough).
> >
> > > Random nitpicking below.  Also, have you created a regression
test?
> >
> > They had been posted a few times and haven't changed.  (Attached
> > anyway)
> >
> >
> > > > +    <structfield>typnotnull</structfield> represents a NOT
NULL
> > > > +    constraint on a type.  Normally used only for domains.
> > >
> > > And unnormally...?
> >
> > Unnormally is when someone sets it by hand on a type which isn't a
> > domain -- I guess.  Corrected.
> >
> > > > + <!entity createDomain       system "create_domain.sgml">
> > >
> > > I don't see this file included.
> >
> > Other messages.  Full package included on this one however.
> >
> >
> >
> > > > +  * MergeDomainAttributes
> > > > +  *      Returns a new table schema with the constraints,
types,
> > and other
> > > > +  *      attributes of the domain resolved for fields using
the
> > domain as
> > > > +  * their type.
> > >
> > > I didn't know we had schemas yet.  You should probably not
overload
> > that
> > > term to mean "a list of database objects".
> >
> > Merge attributes says something very similar about inheritance and
> > table schemas.  Kinda correct considering
> > the variable used in both cases is *schema.
> >
> >
> > The diff weirdness in regards to DROP DATABASE is probably because
I
> > started by copying the DROP DATABASE element, then altered it.  I
> > don't know why it chose that method to do the diff though, but it
is
> > accurate.  Using -cd flags didn't make it any prettier.
>
> [ Attachment, skipping... ]
>
> [ Attachment, skipping... ]
>
> [ Attachment, skipping... ]
>
> [ Attachment, skipping... ]
>
> --
>   Bruce Momjian                        |  http://candle.pha.pa.us
>   pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
>   +  If your life is a hard drive,     |  830 Blythe Avenue
>   +  Christ can be your backup.        |  Drexel Hill, Pennsylvania
19026
>


----------------------------------------------------------------------
----------


> -- Test Comment / Drop
> create domain domaindroptest int4;
> comment on domain domaindroptest is 'About to drop this..';
> create domain basetypetest domaindroptest;
> ERROR:  DefineDomain: domaindroptest is not a basetype
> drop domain domaindroptest;
> ERROR:  parser: parse error at or near ";"
> drop domain domaindroptest restrict;
> -- TEST Domains.
> create domain domainvarchar varchar(5);
> create domain domainnumeric numeric(8,2);
> create domain domainint4 int4;
> create domain domaintext text;
> -- Test tables using domains
> create table basictest
>            ( testint4 domainint4
>            , testtext domaintext
>            , testvarchar domainvarchar
>            , testnumeric domainnumeric
>            );
> INSERT INTO basictest values ('88', 'haha', 'short',
12');      -- Good
> INSERT INTO basictest values ('88', 'haha', 'short text',
'123.12'); -- Bad varchar
> ERROR:  value too long for type character varying(5)
> INSERT INTO basictest values ('88', 'haha', 'short',
3.1212');    -- Truncate numeric
> select * from basictest;
>  testint4 | testtext | testvarchar | testnumeric
> ----------+----------+-------------+-------------
>  88       | haha     | short       | 123.12
>  88       | haha     | short       | 123.12
> (2 rows)
>
> drop table basictest;
> drop domain domainvarchar restrict;
> drop domain domainnumeric restrict;
> drop domain domainint4 restrict;
> drop domain domaintext restrict;
> -- Array Test
> create domain domainint4arr int4[1];
> create domain domaintextarr text[2][3];
> create table domarrtest
>            ( testint4arr domainint4arr
>            , testtextarr domaintextarr
>             );
> INSERT INTO domarrtest values ('{2,2}', '{{"a","b"}{"c","d"}}');
> INSERT INTO domarrtest values ('{{2,2}{2,2}}', '{{"a","b"}}');
> INSERT INTO domarrtest values ('{2,2}',
'{{"a","b"}{"c","d"}{"e"}}');
> INSERT INTO domarrtest values ('{2,2}', '{{"a"}{"c"}}');
> INSERT INTO domarrtest values (NULL, '{{"a","b"}{"c","d","e"}}');
> drop table domarrtest;
> drop domain domainint4arr restrict;
> drop domain domaintextarr restrict;
> create domain dnotnull varchar(15) NOT NULL;
> create domain dnull    varchar(15) NULL;
> create table nulltest
>            ( col1 dnotnull
>            , col2 dnotnull NULL  -- NOT NULL in the domain cannot be
overridden
>            , col3 dnull    NOT NULL
>            , col4 dnull
>            );
> INSERT INTO nulltest DEFAULT VALUES;
> ERROR:  ExecAppend: Fail to add null value in not null attribute
col1
> INSERT INTO nulltest values ('a', 'b', 'c', 'd');  -- Good
> INSERT INTO nulltest values (NULL, 'b', 'c', 'd');
> ERROR:  ExecAppend: Fail to add null value in not null attribute
col1
> INSERT INTO nulltest values ('a', NULL, 'c', 'd');
> ERROR:  ExecAppend: Fail to add null value in not null attribute
col2
> INSERT INTO nulltest values ('a', 'b', NULL, 'd');
> ERROR:  ExecAppend: Fail to add null value in not null attribute
col3
> INSERT INTO nulltest values ('a', 'b', 'c', NULL); -- Good
> select * from nulltest;
>  col1 | col2 | col3 | col4
> ------+------+------+------
>  a    | b    | c    | d
>  a    | b    | c    |
> (2 rows)
>
> drop table nulltest;
> drop domain dnotnull restrict;
> drop domain dnull restrict;
> create domain ddef1 int4 DEFAULT 3;
> create domain ddef2 oid DEFAULT '12';
> -- Type mixing, function returns int8
> create domain ddef3 text DEFAULT 5;
> create sequence ddef4_seq;
> create domain ddef4 int4 DEFAULT nextval(cast('ddef4_seq' as text));
> create domain ddef5 numeric(8,2) NOT NULL DEFAULT '12.12';
> create table defaulttest
>             ( col1 ddef1
>             , col2 ddef2
>             , col3 ddef3
>             , col4 ddef4
>             , col5 ddef1 NOT NULL DEFAULT NULL
>             , col6 ddef2 DEFAULT '88'
>             , col7 ddef4 DEFAULT 8000
> , col8 ddef5
>             );
> insert into defaulttest default values;
> insert into defaulttest default values;
> insert into defaulttest default values;
> select * from defaulttest;
>  col1 | col2 | col3 | col4 | col5 | col6 | col7 | col8
> ------+------+------+------+------+------+------+-------
>  3    | 12   | 5    | 1    | 3    | 88   | 8000 | 12.12
>  3    | 12   | 5    | 2    | 3    | 88   | 8000 | 12.12
>  3    | 12   | 5    | 3    | 3    | 88   | 8000 | 12.12
> (3 rows)
>
> drop sequence ddef4_seq;
> drop table defaulttest;
> drop domain ddef1 restrict;
> drop domain ddef2 restrict;
> drop domain ddef3 restrict;
> drop domain ddef4 restrict;
> drop domain ddef5 restrict;
>


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