Re: pg_views.definition

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От Christopher Kings-Lynne
Тема Re: pg_views.definition
Дата
Msg-id GNELIHDDFBOCMGBFGEFOCECOCDAA.chriskl@familyhealth.com.au
обсуждение исходный текст
Ответ на Re: pg_views.definition  (Bruce Momjian <pgman@candle.pha.pa.us>)
Ответы Re: pg_views.definition  (Tom Lane <tgl@sss.pgh.pa.us>)
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> We actually reverse it on the fly:
>
>     test=> \d xx
>              View "xx"
>      Column  | Type | Modifiers
>     ---------+------+-----------
>      relname | name |
>     View definition: SELECT pg_class.relname FROM pg_class;

Well, no - that's just dumping out the parsed form.

eg.

test=# create view v as select 1 in (1,2,3,4);
CREATE
test=# select * from v;?column?
----------t
(1 row)

test=# \d v           View "v" Column  |  Type   | Modifiers
----------+---------+-----------?column? | boolean |
View definition: SELECT ((((1 = 1) OR (1 = 2)) OR (1 = 3)) OR (1 = 4));

It's really annoying when people save their view definition in phpPgAdmin
and when they load it up again it's lost all formatting.  Functions and
rules, for instance keep the original formatting somewhere.

Chris



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