Re: [PATCH] Tables node (pgAdmin4) - Mailing list pgadmin-hackers

On 27 April 2016 at 10:22, Harshal Dhumal
<harshal.dhumal@enterprisedb.com> wrote:
>
> Hi,
>
> PFA attached patches for table node and all table child nodes.
>
> This patch includes below nodes,
>
> 1) Table node                              -- Initial patch by Murtuza, constraints compatibility by Harshal.
> 2) Column node                           -- by Murtuza.
> 3) Index node                              -- by Murtuza.
> 4) Trigger node                            -- by Murtuzz.
> 6) Rules node                              -- by Surinder.
> 7) Constraints nodes:
>       i]  Index Constraint                 -- Initial patch by Harshal, Integration with table node by Murtuza.
>       ii] Foreign key                        -- Initial patch and Integration with table node by Harshal.
>       iii] Check constraint                -- Initial patch and Integration with table node by Harshal.
>       iv] Exclusion constraint           -- Initial patch and Integration with table node by Harshal.
>
> Please apply patches in following order as all of them depends on each other.
>
> Order:  Table Node ----> Index constraint ---> remaining patches in any order.
>
>

Nice work.  Here's some initial feedback from a very quick play around.

On the Create table editor, in the Advance tab (which should probably
be labelled "Advanced"), the Like section should grey out the "With *"
values if no relation is selected in the drop-down box.

The way primary keys are defined are kinda awkward.  It might be
useful to provide some kind of checkbox on the initial column list
that tells it which columns are involved in the primary key, then the
user could just select which ones they want.  If they want to refine
it, they could edit it in the Constraints > Primary Key section.

I'm getting weird spacing in the SQL output.  Here's an example:

CREATE UNLOGGED TABLE public.test
(
    id integer COLLATE pg_catalog."de_DE.utf8" NOT NULL DEFAULT -1,
    stuff text COLLATE pg_catalog."C.UTF-8" DEFAULT "hello",
    CONSTRAINT pk PRIMARY KEY (id, stuff) WITH (FILLFACTOR=33) DEFERRABLE
)
WITH (
    OIDS = TRUE,
    FILLFACTOR = 88,
    autovacuum_enabled = TRUE,
    autovacuum_analyze_scale_factor = 0.33,
    autovacuum_analyze_threshold = 30,
    autovacuum_freeze_max_age = 3333333,
    autovacuum_vacuum_cost_delay = 30,
    autovacuum_vacuum_cost_limit = 3,
    autovacuum_vacuum_scale_factor = 0.33,
    autovacuum_vacuum_threshold = 33,
    autovacuum_freeze_min_age = 3300000,
    autovacuum_freeze_table_age = 333000000
)
TABLESPACE pg_default;

ALTER TABLE public.test
    OWNER to thom;
GRANT ALL ON TABLE public.test TO thom;


COMMENT ON TABLE public.test
    IS 'This is just a test table';

COMMENT ON COLUMN public.test.id
    IS 'the main ID';

ALTER TABLE public.test
    ALTER COLUMN id
    SET (n_distinct='0.2');
COMMENT ON CONSTRAINT pk ON public.test
    IS 'primary key test'

Note there are 2 blank lines after the GRANT ALL ON TABLE line, and
none before the COMMENT ON CONSTRAINT line.

This SQL fails because collations aren't allowed on integer columns,
and the DEFAULT value for the column named stuff doesn't quote it as a
string literal, so it's looking for a column called "hello".

There's also no way to view the autovacuum options I defined other
than the SQL pane.

Thom