Re: [OT] Very strange postgresql behaviour

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Hi Bill,

In response to Arnau <arnaulist@xxxxxxxxxxxxxxxxxx>:
   I have postgresql 7.4.2 running on debian and I have the oddest
postgresql behaviour I've ever seen.

I do the following queries:


espsm_asme=# select customer_app_config_id, customer_app_config_name
from customer_app_config where customer_app_config_id = 5929 or
customer_app_config_id = 11527 order by customer_app_config_id;


  customer_app_config_id | customer_app_config_name
------------------------+--------------------------
                    5929 | INFO
(1 row)


   I do the same query but changing the order of the or conditions:


espsm_asme=# select customer_app_config_id, customer_app_config_name
from customer_app_config where customer_app_config_id = 11527 or
customer_app_config_id = 5929 order by customer_app_config_id;


  customer_app_config_id | customer_app_config_name
------------------------+--------------------------
                   11527 | MOVIDOSERENA TONI 5523
(1 row)



   As you can see, the configuration 5929 and 11527 both exists, but
when I do the queries they don't appear.

[snip]

Just a guess, but perhaps your index is damaged.  Have you tried
REINDEXing?


  Yes, I have tried with:

   reindex table customer_app_config
   reindex index pk_cag_customer_application_id

but nothing changed. I also tried to drop the index:

espsm_asme=# begin; drop index pk_cag_customer_application_id;
BEGIN
ERROR: cannot drop index pk_cag_customer_application_id because constraint pk_cag_customer_application_id on table customer_app_config requires it HINT: You may drop constraint pk_cag_customer_application_id on table customer_app_config instead.
espsm_asme=# rollback;
ROLLBACK

But I can't remove the constraint as it's the primary key and there are foreign keys over it


--
Arnau


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