On Thu, 2006-10-12 at 01:25 -0400, Tom Lane wrote:
It does seem like this is wrong, in view of SQL92's statement about
ALTER TABLE DROP COLUMN:
4) If RESTRICT is specified, then C shall not be referenced in
the query expression of any view descriptor or in the search
Joe [EMAIL PROTECTED] writes:
I didn't realize before that you can also drop all columns, leaving a
table without *any* columns. Is that a SQL92 feature?
See the ALTER TABLE reference page:
ALTER TABLE DROP COLUMN can be used to drop the only column of a table,
leaving a zero-column
[EMAIL PROTECTED] (Joe) writes:
On Thu, 2006-10-12 at 01:25 -0400, Tom Lane wrote:
It does seem like this is wrong, in view of SQL92's statement about
ALTER TABLE DROP COLUMN:
4) If RESTRICT is specified, then C shall not be referenced in
the query expression of any
* Tom Lane:
The CREATE TABLE reference page further amplifies:
PostgreSQL allows a table of no columns to be created (for example,
CREATE TABLE foo();). This is an extension from the SQL standard, which
does not allow zero-column tables. Zero-column tables are not in
themselves very
I got bit by this to be sure, but is it a bug? I guess I'd hoped for a
warning at the critical step (see poof below):
create table tester (one int, two int, three int);
alter table only tester add constraint no_dupes unique (one, two, three);
insert into tester values(1,2,3);
insert into tester
Bryce Nesbitt [EMAIL PROTECTED] writes:
I got bit by this to be sure, but is it a bug? I guess I'd hoped for a
warning at the critical step (see poof below):
create table tester (one int, two int, three int);
alter table only tester add constraint no_dupes unique (one, two, three);
...
