Unique constraint (XXX50.Z305_ID) violated
- Article Type: General
- Product: Aleph
- Product Version: 20
Problem Symptoms:
Running SQL to change sublibrary of certain XXX50 Z305 (PATRON?€™S LOCAL INFORMATION) records from 'YYYYY' to ' ZZZZZ':
UPDATE Z305
SET Z305_REC_KEY = substr(Z305_REC_KEY,1,12) || 'ZZZZZ'
where substr(Z305_REC_KEY,13,5) = 'YYYYY'
results in the following message:
Error:
*
ERROR at line 1:
ORA-00001: unique constraint (XXX50.Z305_ID) violated
Cause:
SQL didn't include check to see if a "ZZZZZ" record already existed for the patron.
Resolution:
Add check to see if a "ZZZZZ" record already exists for patron:
UPDATE Z305
SET Z305_REC_KEY = substr(Z305_REC_KEY,1,12) || 'ZZZZZ'
where substr(Z305_REC_KEY,13,5) = 'YYYYY'
and substr(Z305_REC_KEY,1,12) not in
(select substr (Z305_REC_KEY,1,12) from z305 where substr (Z305_REC_KEY,13,5) = 'ZZZZZ');
Category: System Management (500)
Subject: Oracle (500)
- Article last edited: 10/8/2013