Re: Really strange foreign key constraint problem blocking delete - Mailing list pgsql-general

Postgresql 9.1


On 04/10/2014 16:06, Andy Colson wrote:
> On 10/04/2014 12:45 AM, Tim Mickelson wrote:
>> But I don't think so, but here are the table defenitions:
>>
>>
>> CREATE TABLE bulldog.channel_mapping
>> (
>>    idchannel integer NOT NULL,
>>    idaut integer NOT NULL,
>>    CONSTRAINT channel_mapping_pk PRIMARY KEY (idchannel, idaut),
>>    CONSTRAINT channel_mapping_idaut_fkey FOREIGN KEY (idaut)
>>        REFERENCES cubesocialnetwork.tmp_autenticazionesocial
>> (idautenticazionesocial) MATCH SIMPLE
>>        ON UPDATE NO ACTION ON DELETE NO ACTION,
>>    CONSTRAINT channel_mapping_idchannel_fkey FOREIGN KEY (idchannel)
>>        REFERENCES bulldog.social_channel (idchannel) MATCH SIMPLE
>>        ON UPDATE NO ACTION ON DELETE NO ACTION
>> )
>> WITH (
>>    OIDS=FALSE
>> );
>> ALTER TABLE bulldog.channel_mapping
>>    OWNER TO postgres;
>>
>>
>>
>>
>>
>> -- Table: cubesocialnetwork.tmp_autenticazionesocial
>>
>> -- DROP TABLE cubesocialnetwork.tmp_autenticazionesocial;
>>
>> CREATE TABLE cubesocialnetwork.tmp_autenticazionesocial
>> (
>>    idautenticazionesocial serial NOT NULL,
>>    contratto text NOT NULL,
>>    idlocation numeric NOT NULL,
>>    textuser text,
>>    textpassword text,
>>    datacrea timestamp without time zone NOT NULL DEFAULT now(),
>>    idsocial numeric NOT NULL,
>>    location text,
>>    username text,
>>    link_foto text,
>>    valid text,
>>    link_profilo text,
>>    tweetmonitored boolean DEFAULT false,
>>    idutente text,
>>    tipologia text,
>>    api_key text,
>>    api_secret text,
>>    CONSTRAINT tmp_autenticazionesocial_pkey PRIMARY KEY
>> (idautenticazionesocial),
>>    CONSTRAINT tipo_social_fk FOREIGN KEY (idsocial)
>>        REFERENCES cubesocialnetwork.tipo_social (cd_social) MATCH FULL
>>        ON UPDATE NO ACTION ON DELETE NO ACTION
>> )
>> WITH (
>>    OIDS=FALSE
>> );
>> ALTER TABLE cubesocialnetwork.tmp_autenticazionesocial
>>    OWNER TO postgres;
>>
>> -- Index: cubesocialnetwork.indice_tmp_autenticazione
>>
>> -- DROP INDEX cubesocialnetwork.indice_tmp_autenticazione;
>>
>> CREATE INDEX indice_tmp_autenticazione
>>    ON cubesocialnetwork.tmp_autenticazionesocial
>>    USING btree
>>    (textpassword COLLATE pg_catalog."default");
>>
>> -- Index: cubesocialnetwork.indicetextuser
>>
>> -- DROP INDEX cubesocialnetwork.indicetextuser;
>>
>> CREATE INDEX indicetextuser
>>    ON cubesocialnetwork.tmp_autenticazionesocial
>>    USING btree
>>    (textuser COLLATE pg_catalog."default");
>>
>> -- Index: cubesocialnetwork.indicidentificativosocial
>>
>> -- DROP INDEX cubesocialnetwork.indicidentificativosocial;
>>
>> CREATE INDEX indicidentificativosocial
>>    ON cubesocialnetwork.tmp_autenticazionesocial
>>    USING btree
>>    (idsocial);
>>
>> -- Index: cubesocialnetwork.tmpautenticazione
>>
>> -- DROP INDEX cubesocialnetwork.tmpautenticazione;
>>
>> CREATE INDEX tmpautenticazione
>>    ON cubesocialnetwork.tmp_autenticazionesocial
>>    USING btree
>>    (idautenticazionesocial);
>>
>> -- Index: cubesocialnetwork.tmpautenticazionecontrattoidlocation
>>
>> -- DROP INDEX cubesocialnetwork.tmpautenticazionecontrattoidlocation;
>>
>> CREATE INDEX tmpautenticazionecontrattoidlocation
>>    ON cubesocialnetwork.tmp_autenticazionesocial
>>    USING btree
>>    (contratto COLLATE pg_catalog."default", idlocation);
>>
>> -- Index: cubesocialnetwork.tmpauteticazionesocial
>>
>> -- DROP INDEX cubesocialnetwork.tmpauteticazionesocial;
>>
>> CREATE INDEX tmpauteticazionesocial
>>    ON cubesocialnetwork.tmp_autenticazionesocial
>>    USING btree
>>    (username COLLATE pg_catalog."default");
>>
>>
>> On 03/10/2014 20:38, Vick Khera wrote:
>>> Using my magick powers of mind reading, I will guess you made circular
>>> dependencies.
>>>
>>> On Fri, Oct 3, 2014 at 12:17 PM, Tim Mickelson
>>> <tim_mickelson@bigfoot.com> wrote:
>>>> Even if I try to delete the data entry in the table channel_mapping
>>>> with
>>>> idaut 1622, it is not possible to delete from the table
>>>> tmp_autenticazionesocial with the error below. How is this even
>>>> possible
>>>> since there is no channel_mapping with idaut 1622 any more?? I tried
>>>> this in Java under a transaction, but also in pgAdmin III.
>>>>
>>>>
>>>> ERROR:  update or delete on table "tmp_autenticazionesocial" violates
>>>> foreign key constraint "channel_mapping_idaut_fkey" on table
>>>> "channel_mapping"
>>>> DETAIL:  Key (idautenticazionesocial)=(1622) is still referenced from
>>>> table "channel_mapping".
>>>>
>>>>
>>>>
>>>> --
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>>>
>>
>>
>>
>
> What version of PG are you on?  I kinda recall one of the updates
> really wanting you to rebuild indexes or something like that.
>
> -Andy
>