The following bug has been logged online:
Bug reference: 3659
Logged by: Michael Enke
Email address: [EMAIL PROTECTED]
PostgreSQL version: 8.1.4
Operating system: Linux, CentOS5
Description: should use implizit type cast in check constraint
Details:
Hello,
if I have defined my own data type/operators,
in a check constraint this type is used
instead of ::text.
Shouln't be there an implizit typecast to ::text?
Otherwise I always have to add an explicit typecast
if I have conflicting types/operators
but this would not be nice.
create table b(a varchar(1) check(a in ('1','2')));
\d b:
Table "public.b"
Column | Type | Modifiers
--------+----------------------+-----------
a | character varying(1) |
Check constraints:
"b_a_check" CHECK (a = '1'::text OR a = '2'::text)
But if I have defined a type testchar and create this table again without an
explicit type cast:
\d b
Table "public.b"
Column | Type | Modifiers
--------+----------------------+-----------
a | character varying(1) |
Check constraints:
"b_a_check" CHECK (a = '1'::testchar OR a = '2'::testchar)
I can send test case files if required.
Regards,
Michael
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