Kueri kolom ambigu

Anda TIDAK dapat mereferensikan alias kolom dalam klausa SELECT dalam klausa WHERE, setidaknya tidak dalam kueri yang sama. Anda dapat melakukan subquery, atau cukup gunakan referensi kolom asli.

select     
 bobooks."ID" request,    
 bobooks."TITLE",    
 bobooks."AUTHOR",    
 bogenres."NAME" genre,    
 bobooks."OWNER",    
 bostatus."NAME" status,    
 bolanguages."LANGUAGE" language,    
 bolanguages2."LANGUAGE" secondary_language    
from BO_BOOKS bobooks    
inner join    
BO_GENRES bogenres on bobooks.genre = bogenres.id    
inner join     
BO_STATUS bostatus on bobooks.status = bostatus.id    
inner join     
BO_LANGUAGES bolanguages on bobooks.language = bolanguages.id    
left outer join    
BO_LANGUAGES bolanguages2 on bobooks.secondary_language = bolanguages2.id    
where     
(replace(:P19_AUTHOR, ' ', '') = '' 
or
bobooks.author like '%'||:P19_AUTHOR||'%')
AND    
(replace(:P19_TITLE, ' ', '') = '' 
or
bobooks.title like '%'||:P19_TITLE||'%')
AND    
(:P14_LANGUAGE = 'all' 
or
bolanguages."LANGUAGE" = :P19_LANGUAGE
or
bolanguages2."LANGUAGE" = :P19_LANGUAGE)
AND
(:P19_GENRE = 'all' 
or
bogenres."NAME" = :P19_GENRE)
AND
(replace(:P19_OWNER, ' ', '') = '' 
or
bobooks.owner like '%'||:P19_OWNER||'%');