[HACKERS] locale operation to be invoked, but no collation was derived (in trigger)

Mon, 14 Mar 2011 12:45:36 -0700 

Hi,

first i am not sure how the state of the collation work in current git is 
supposed to be with all the discussion going on here... but wanted to get out 
that bug report:


create table ad_tab (ad_tab_id varchar(32), name varchar(32));

create function test_trg() RETURNS TRIGGER LANGUAGE plpgsql AS $function$ 
DECLARE
 BEGIN
    --Check tab name starts with a upper case letter
    IF (not (substr(new.Name,1,1) between 'A' and 'Z')) THEN
      RAISE EXCEPTION '%', '@TabName1stCharUpper@' ; --OBTG:-20000--
    END IF;
 END
; $function$
;

create trigger test_trg after update on test for each row execute procedure 
test_trg();

insert into test values ('1', 'test');
update test set name = 'test2' where test_id = '1';

ERROR:  locale operation to be invoked, but no collation was derived
CONTEXT:  PL/pgSQL function "test_trg" line 4 at IF

Regards,
Stefan


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