[Dbix-class] Issues with postgres timestamp in a primary key

[todd.e.rinaldo at jpmorgan.com]

Hi, 

Today, we ran across an issue with DBIC in postgres related to DBIx::Class::Storage::DBI::Pg. We needed to add a "timestamp with timezone" (which defaulted to "postgres now()") to an existing primary key in a table. The add went ok and the schema was updated in DBIx Class. 

When we attempted to add rows, where we explicitly specified the new timestamp field, all went well. 

When we attempted to create a row without specifying the timestamp primary key (since it defaulted), last_insert_id threw an error. 

From what we can tell as it currently stands, we cannot default primary keys to now() successfully. We are working around this by simply feeding in the current time when we call the insert, but would like to leverage a default on this primary key. 

Can anyone recommend how we can fix the schema so it behaves properly or do we have a bug? 

Thanks,

Error stack below:

# could not fetch primary key for app_environment_passwords, could not get autoinc sequence for date_active (check that table and column specifications are correct and in the correct case) at /opt/perl588/site/lib/DBIx/Class/Schema.pm line 954
#       DBIx::Class::Schema::throw_exception('GASS::Schema::GASSdb=HASH(0x1e5cb70)', 'could not fetch primary key for app_environment_passwords, co...') called at /opt/perl588/site/lib/DBIx/Class/Storage.pm line 122
#       DBIx::Class::Storage::throw_exception('DBIx::Class::Storage::DBI::Pg=HASH(0x1d12700)', 'could not fetch primary key for app_environment_passwords, co...') called at /opt/perl588/site/lib/DBIx/Class/Storage/DBI/Pg.pm line 24
#       DBIx::Class::Storage::DBI::Pg::last_insert_id('DBIx::Class::Storage::DBI::Pg=HASH(0x1d12700)', 'DBIx::Class::ResultSource::Table=HASH(0x2190d90)', 'date_active') called at /opt/perl588/site/lib/DBIx/Class/Row.pm line 222
#       DBIx::Class::Row::insert('GASS::Model::Access::AppEnvironmentPasswords=HASH(0x25eb090)') called at /opt/perl588/site/lib/DBIx/Class/Row.pm line 243
#       DBIx::Class::Row::insert('GASS::Model::Access::AppEnvironments=HASH(0x2491e90)') called at /opt/perl588/site/lib/DBIx/Class/ResultSet.pm line 1638
#       DBIx::Class::ResultSet::create('DBIx::Class::ResultSet=HASH(0x25dfda0)', 'HASH(0x25eb590)') called at /home/e140995/GASS/t/model/lib/ModelTester.pm line 71
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