"Andrus Moor" <kobruleht2@xxxxxx> writes:
> 8.x Db contains tables
> create table ametikoh ( ametikoht numeric(7) NOT NULL DEFAULT
> nextval('firma1.ametikoh_ametikoht_seq'::regclass) primary key );
> create table iandmed ( ametikoht numeric(7) references ametikoh);
> I created conversion script which normalizes column types:
> alter table ametikoh alter column ametikoht type integer;
> alter table iandmed alter column ametikoht type integer;
> Running this script causes error:
> ERROR: foreign key constraint "iandmed_ametikoht_fkey" cannot be
> implemented
> DETAIL: Key columns "ametikoht" and "ametikoht" are of incompatible types:
> numeric and integer.
> How to create script which performs this change and works in 8.0+ ?
Drop the FK constraint and then add it back afterwards.
regards, tom lane
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