我有一个目标模式地址，其中plz是一个数字和一个源模式，其中 plz 是 varchar2。
以下代码引发 ORA-01722 - 无效数字错误，但我无法确定原因。大约有 30 个像 '26189' 或 '38108' 和 5 个空值。
create or replace
procedure f1_get_adresses is
cursor c_adresse is
select id, strasse, hausnummer, to_number(to_nchar(postleitzahl))
as postleitzahl, ort, land
from db2_lsg2.f1_adresse;
rec c_adresse%rowtype;
counter number(10);
val_plz number(10);
begin
for rec in c_adresse
loop
-- PLZ
select count(*) into counter from postleitzahl
where plz = rec.postleitzahl and ort = rec.ort;
if counter = 0 then
if rec.postleitzahl is null then
val_plz := 0;
else
val_plz := rec.postleitzahl;
end if;
insert into postleitzahl (plz, ort) values (rec.ort, val_plz);
end if;
-- Land
select count(*) into counter from land
where land_name = rec.land;
if counter = 0 then
insert into land (land_name) values (rec.land);
end if;
--Adresse
select count(*) into counter from adresse
where strasse = rec.strasse
and hausnummer = rec.hausnummer
and plz = rec.postleitzahl
and (select land_name from land where land_name = rec.land) = rec.land;
if counter = 0 then
insert into adresse (strasse, hausnummer, plz, land_id)
values (
rec.strasse,
rec.hausnummer,
rec.postleitzahl,
(select land_id from land where land_name = rec.land)
);
end if;
end loop;
end;