Re: Strange bug...

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Тема Re: Strange bug...
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Msg-id 03AF4E498C591348A42FC93DEA9661B8259AF2@mail.vale-housing.co.uk
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Ответ на Strange bug...  ("Donald Fraser" <demolish@cwgsy.net>)
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Hi Donald,
 
This is a feature, not a bug :-)
 
Seriously, pgAdmin figures out that the index is part of a constraint and classes it as a system object, therefore hiding it. If you switch on View System Objects on the View menu, you will see both indexes under the table. My guess is that pg_dump is not quite so clever and misses the UNIQUE constraint from the table definition, adding the index manually instead.
 
Regards, Dave.
-----Original Message-----
From: Donald Fraser [mailto:demolish@cwgsy.net]
Sent: 17 January 2003 20:05
To: pgadmin-support@postgresql.org
Subject: [pgadmin-support] Strange bug...

OS W2K SP2
pgAdmin II 1.4.12
PostgreSQL 7.3 on i686-pc-linux-gnu, compiled by GCC 2.96
 
Another strange bug...
 
I create the following table using an SQL statement:
 
CREATE TABLE "tbl_usertype" (
"id" int4 NOT NULL,
"s_desc" varchar(60) NOT NULL,
CONSTRAINT "tbl_usertype_s_desc_key" UNIQUE ("s_desc"),
CONSTRAINT "tbl_usertype_pkey" PRIMARY KEY ("id")
) WITHOUT OIDS;
GRANT SELECT ON "tbl_usertype" TO PUBLIC;
 
pgAdmin then reports the following as the SQL statements:
 
-- Table: public.tbl_usertype
CREATE TABLE public.tbl_usertype (
id int4 NOT NULL,
s_desc varchar(60) NOT NULL,
CONSTRAINT tbl_usertype_s_desc_key UNIQUE (s_desc),
CONSTRAINT tbl_usertype_pkey PRIMARY KEY (id)
) WITHOUT OIDS;
GRANT SELECT ON TABLE public.tbl_usertype TO PUBLIC;
GRANT ALL ON TABLE public.tbl_usertype TO postgres;
 
Now one would expect to see under pgAdmin one Index named "tbl_usertype_s_desc_key".
pgAdmin reports zero Indexes....?
Again I checked the output from pg_dumpall and it definitely exists.
pg_dump displays the following lines.
-- Name: tbl_usertype_s_desc_key; Type: INDEX; Schema: public; Owner: postgres
CREATE UNIQUE INDEX tbl_usertype_s_desc_key ON tbl_usertype USING btree (s_desc);
 
Regards
Donald Fraser.

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