table of contents
Class::DBI::Pg(3pm) | User Contributed Perl Documentation | Class::DBI::Pg(3pm) |
NAME¶
Class::DBI::Pg - Class::DBI extension for Postgres
SYNOPSIS¶
use strict; use base qw(Class::DBI::Pg); __PACKAGE__->set_db(Main => 'dbi:Pg:dbname=dbname', 'user', 'password'); __PACKAGE__->set_up_table('film');
DESCRIPTION¶
Class::DBI::Pg automate the setup of Class::DBI columns and primary key for Postgres.
select Postgres system catalog and find out all columns, primary key and SERIAL type column.
create table.
CREATE TABLE cd ( id SERIAL NOT NULL PRIMARY KEY, title TEXT, artist TEXT, release_date DATE );
setup your class.
package CD; use strict; use base qw(Class::DBI::Pg); __PACKAGE__->set_db(Main => 'dbi:Pg:dbname=db', 'user', 'password'); __PACKAGE__->set_up_table('cd');
This is almost the same as the following way.
package CD; use strict; use base qw(Class::DBI); __PACKAGE__->set_db(Main => 'dbi:Pg:dbname=db', 'user', 'password'); __PACKAGE__->table('cd'); __PACKAGE__->columns(Primary => 'id'); __PACKAGE__->columns(All => qw(id title artist release_date)); __PACKAGE__->sequence('cd_id_seq');
METHODS¶
set_up_table TABLENAME HASHREF¶
Declares the Class::DBI class specified by TABLENAME. HASHREF can specify options to when setting up the table.
- ColumnGroup
- You can specify the column group that you want your columns to be in.
$class->set_up_table($table, { ColumnGroup => 'Essential' });
The default is 'All'
- Primary
- Overrides primary key setting. This can be useful when working with views instead of tables.
pg_version¶
Returns the postgres version that you are currently using.
AUTHOR¶
Daisuke Maki "dmaki@cpan.org"
AUTHOR EMERITUS¶
Sebastian Riedel, "sri@oook.de" IKEBE Tomohiro, "ikebe@edge.co.jp"
LICENSE¶
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
SEE ALSO¶
Class::DBI Class::DBI::mysql DBD::Pg
2022-06-11 | perl v5.34.0 |