Vince Vielhaber (vev@hub.org) reports a bug with a severity of 3
The lower the number the more severe it is.
Short Description
Alter table add column ignores default
Long Description
Alter table add column ignores the default values in both v7.0x and 7.1. In the example code the table is created with
onecolumn having a default value of 'none'. An ALTER TABLE is done adding another varchar column also with a default
value. \d table only shows the default from the create, not the alter. An insert also fails to add the default.
Sample Code
foo=# create table foobar(name varchar(20),nickname varchar(10) default 'none');
CREATE
foo=# \d foobar
Table "foobar"
Attribute | Type | Modifier
-----------+-------------+----------------
name | varchar(20) |
nickname | varchar(10) | default 'none'
foo=# alter table foobar add column address varchar(50) default 'none';
ALTER
foo=# \d foobar
Table "foobar"
Attribute | Type | Modifier
-----------+-------------+----------------
name | varchar(20) |
nickname | varchar(10) | default 'none'
address | varchar(50) |
foo=# insert into foobar(name) values('Joe Postgres');
INSERT 313396 1
foo=# select * from foobar;
name | nickname | address
--------------+----------+---------
Joe Postgres | none |
(1 row)
foo=#
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