Re: Materialized View Patch File

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От Neel Patel
Тема Re: Materialized View Patch File
Дата
Msg-id CAMcbDBH+N8vH2jQ_V4=XvY_yhzuLsFTtx+GDjioMARdyVsnTeg@mail.gmail.com
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Ответ на Re: Materialized View Patch File  (Dave Page <dave.page@enterprisedb.com>)
Ответы Re: Materialized View Patch File  (Dave Page <dave.page@enterprisedb.com>)
Список pgadmin-hackers
Hi Dave,


On Thu, Jun 13, 2013 at 5:41 PM, Dave Page <dave.page@enterprisedb.com> wrote:
Hi

On Thu, Jun 13, 2013 at 9:23 AM, Neel Patel <neel.patel@enterprisedb.com> wrote:
> Hi Dave,
>
> Please find the updated patch file for Materialized View with below changes.
>
>  ---- Materialized View UI changes
>  ---- Added Option for WITH DATA
>  ---- Some of the bug fixes

Much better :-)

The only issue that I can find is that if I create a matview, and give
it some custom vacuum properties, when I re-open the properties
dialogue, I cannot edit any of the auto vacuum properties - they're
all greyed out.


Yes it is an issue with index. Auto vacuum properties should be disable for the Toast Table tab, not for the Table tab. It depends on the type of query we are providing in definition. If it contains the ToastTable then Toast Table tab will be enabled otherwise it will be disabled. Here in below case query for "foo" and "ruletest" views has toast table so it will not disable the tab but "gerp" view's query doen't have toast table so it will be disable the toast table tab ( Currently it is disabling the Table tab which has beed fixed with attached patch).

 
*But*, it doesn't happen with all views - and in a (admittedly brief)
test, I couldn't see what caused it. I see the problem with "gerp",
but not "foo" or "ruletest":

CREATE MATERIALIZED VIEW foo
WITH (
  FILLFACTOR=12,
  autovacuum_enabled=true,
  autovacuum_analyze_threshold=10,
  toast.autovacuum_enabled=true
) AS
 SELECT pg_class.relname,
    pg_class.relnamespace,
    pg_class.reltype,
    pg_class.reloftype,
    pg_class.relowner,
    pg_class.relam,
    pg_class.relfilenode,
    pg_class.reltablespace,
    pg_class.relpages,
    pg_class.reltuples,
    pg_class.relallvisible,
    pg_class.reltoastrelid,
    pg_class.reltoastidxid,
    pg_class.relhasindex,
    pg_class.relisshared,
    pg_class.relpersistence,
    pg_class.relkind,
    pg_class.relnatts,
    pg_class.relchecks,
    pg_class.relhasoids,
    pg_class.relhaspkey,
    pg_class.relhasrules,
    pg_class.relhastriggers,
    pg_class.relhassubclass,
    pg_class.relispopulated,
    pg_class.relfrozenxid,
    pg_class.relminmxid,
    pg_class.relacl,
    pg_class.reloptions
   FROM pg_class
WITH DATA;

ALTER TABLE foo
  OWNER TO postgres;

CREATE MATERIALIZED VIEW gerp
WITH (
  FILLFACTOR=12,
  autovacuum_enabled=true,
  autovacuum_vacuum_threshold=40
) AS
 SELECT pg_class.oid,
    pg_class.relname
   FROM pg_class
WITH DATA;

ALTER TABLE gerp
  OWNER TO postgres;

CREATE MATERIALIZED VIEW ruletest
WITH (
  autovacuum_enabled=true,
  autovacuum_vacuum_threshold=23,
  autovacuum_vacuum_cost_delay=15,
  toast.autovacuum_enabled=true,
  toast.autovacuum_freeze_min_age=500000
) AS
 SELECT pg_class.relname,
    pg_class.relnamespace,
    pg_class.reltype,
    pg_class.reloftype,
    pg_class.relowner,
    pg_class.relam,
    pg_class.relfilenode,
    pg_class.reltablespace,
    pg_class.relpages,
    pg_class.reltuples,
    pg_class.relallvisible,
    pg_class.reltoastrelid,
    pg_class.reltoastidxid,
    pg_class.relhasindex,
    pg_class.relisshared,
    pg_class.relpersistence,
    pg_class.relkind,
    pg_class.relnatts,
    pg_class.relchecks,
    pg_class.relhasoids,
    pg_class.relhaspkey,
    pg_class.relhasrules,
    pg_class.relhastriggers,
    pg_class.relhassubclass,
    pg_class.relispopulated,
    pg_class.relfrozenxid,
    pg_class.relminmxid,
    pg_class.relacl,
    pg_class.reloptions
   FROM pg_class
WITH DATA;

ALTER TABLE ruletest
  OWNER TO postgres;

Aside from that issue, I think it's just about done :-)

--
Dave Page
Chief Architect, Tools & Installers
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake

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