NAME
ObjectDB::Table - actions on tables
SYNOPSIS
package MyDB;
use base 'ObjectDB';
sub init_db {
...
return $dbh;
}
package MyAuthor;
use base 'MyDB';
__PACKAGE__->meta(
table => 'author',
columns => [qw/id name/],
primary_key => 'id',
auto_increment => 'id',
relationships => {
books => {
type = 'one to many',
class => 'MyBook',
map => {id => 'author_id'}
}
}
);
package MyBook;
use base 'MyDB';
__PACKAGE__->meta(
table => 'book',
columns => [qw/id author_id title/],
primary_key => 'id',
auto_increment => 'id',
relationships => {
author => {
type = 'many to one',
class => 'MyAuthor',
map => {author_id => 'id'}
}
}
);
my @books = MyBook->table->find(
with => 'author',
order_by => [title => 'ASC'],
page => 1,
per_page => 10
);
DESCRIPTION
ObjectDB::Table allows to perform actions on table: find, update, delete many rows at a time.
Methods
find
-
Finds specific rows.
my @books = MyBook->table->find; my @books = MyBook->table->find(where => [...]); my @books = MyBook->table->find(where => [...], order_by => [...]); my @books = MyBook->table->find(where => [...], order_by => [...], group_by => [...]);
count
-
A convenient method for counting.
my $total_books = MyBook->table->count;
update
-
Updates many rows at a time.
MyBook->table->update(set => {author_id => 1}, where => [author_id => 2]);
delete
-
Deletes many rows at a time.
MyBook->table->delete; MyBook->table->delete(where => [...]);