Using DBIx::Class to Version Your Schema
Intro to DBIx::Class In my opinion DBIx::Class is one of the best ORM solutions out there. Not only can it model your database, including mapping out any foreign key relationships, it can also be used as a canonical point of reference for your schema.  This means we can use it not only as an application layer interface to the database, but can also define a versioned database structure using the
Test::Fixture::DBIC::Schema - taiyoh独言
DB周りã®ãƒã‚¸ãƒƒã‚¯ãƒ†ã‚¹ãƒˆã‚’ã—ãŸãã¦å°Žå…¥ã—ã¦ã¿ãŸã®ã§ã™ãŒã€ãƒªãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ãŒã‚‰ã¿ã§create_relatedメソッドãªã‚“ã‹ã‚’使ã£ã¦ã‚‹ã¨ã€create時ã«ã‚³ã‚±ã¦ã—ã¾ã†ã®ã§ã€ --- Schema.pm 2008-05-10 14:39:59.000000000 +0900 +++ Schema.pm.new 2009-02-27 16:28:24.000000000 +0900 @@ -71,8 +71,7 @@ my $result = {}; for my $row ( @{ $fixture } ) { - $schema->resultset( $row->{schema} )->create( $row->{data} ); - $result->{ $row->{name} } = $schema->resultset( $row->{schema} )->find( $row->{
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tokuhirom blog
Blog Search when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${entry.path} [in template "__entry.ftlh" at line 3, column 25] - Reached through: #include "__entry.ftlh" [in template "entry.ftlh" at
hide-k.net#blog: DBIx::Class::ResultManagerã®deprecatedã«å‚™ãˆã‚‹
DBIx::Class::ResultSetManager - scheduled for deletion in 09000 - search.cpan.org DBIx::Class::ResultSetManager never left experimental status and has now been DEPRECATED. This module will be deleted in 09000 so please migrate any and all code using it to explicit resultset classes using either __PACKAGE__->resultset_class(...) calls or by switching from using DBIx::Class::Schema->load_classes()
Visualizing your DBIC schema
If you want a somewhat pretty picture of your DBIC schema (with relationships drawn, of course), install GraphViz, SQL::Translator, and DBICx::Deploy from the CPAN, and then run: $ dbicdeploy -Ilib MyApp::Schema ~/graphs GraphViz ~/graphs will then contain a .sql file that is actually a png of your schema. Rename it and see your schema in your favorite png viewing application. Oh yeah, the post ne
DBIC::Schema::Loaderã®ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã¨è¨€ã†ãƒã‚¿ã§ãƒ—レゼンã™ã‚‹ã¯ãšã ã£ãŸä»¶ - æ—¥å‘å¤ç‰¹æ®Šå¿œæ´éƒ¨éšŠ
話ã—ã¦ãªã„ã‘ã©ã€è³‡æ–™ã¯ã‚ã‚‹ã®ã§å…¬é–‹ã—ã¾ã£ã™ã‚‹ã€‚ Customization of DBIC::Schema::Loader æ¦‚è¦ é–‹ç™ºä¸ã«ã‚¹ã‚ーマã«å¤‰æ›´ãŒç™ºç”Ÿã—ã¦ã€make_schema_at()を何度もå©ãéš›ã«å›°ã‚‹ã“ã¨ã¨ã€Schema::Loaderã§æ¯”較的æ„図ã—ãŸé€šã‚Šã«Schema, Tableクラスを生æˆã™ã‚‹ç‚ºã«ã€ã“ã‚“ãªé¢¨ã«ã™ã‚‹ã¨ã„ã„ãŠã£ã¦å†…容ã§ã™ã€‚ ã›ã£ã‹ã¡ãªäººå‘ã‘ ã“ã‚“ãªæ„Ÿã˜ã€‚ 内容ã®è§£èª¬ã¯ãƒ—レゼン資料を見ã¦ãã ã—ã‚。 #!/usr/bin/perl use strict; use warnings; use FindBin; use File::Spec; use lib ( File::Spec->catfile( $FindBin::Bin, qw/.. lib/ ), File::Spec->catfile( $FindBin::Bin, qw/.. schema/ )
mysql_enable_utf8 => 1 㧠DBIC::UTF8Columns è¦ã‚‰ãªããªã‚‹ã£ã½ã„ - åƒ•ãƒˆäº‘ãƒ•äº‹ï¼ ã¯ã¦ãªå‡ºå¼µç‰ˆ
追記ã§ã™ コメントã¨ãƒ–クマã§ä»Šã®ã¨ã“ã‚ experimental ã¨æ›¸ã„ã¦ã‚ã‚‹ã‚ˆï¼ ã¨æ•™ãˆã¦ã‚‚らã„ã¾ã—ãŸã€‚æ°—ã¥ã„ã¦ãªã‹ã£ãŸã§ã™ã€‚id:nihen ã•ã‚“ã€ã‚³ãƒ¡ãƒ³ãƒˆãã‚ŒãŸäººã€ã‚ã‚ŠãŒã¨ã†ã€‚ This option is experimental and may change in future versions. Catalyst::Wiki ã‚‚ã“れ書ã„ãŸæ–¹ãŒè‰¯ã•ãã†ã§ã™ã。書ã‘ã‚‹ã®ã‹ãªã€‚ ãã‚Œã«ã—ã¦ã‚‚ã€DBD å´ã§ã§ãã‚‹ã¨è‰¯ã„ã«è¶Šã—ãŸã“ã¨ãªã„ã®ã§ã€æ—©ã確定ã—ã¦æ¬²ã—ã„ã§ã™ãï¼ è¿½è¨˜2 ã‚ーã€ã§ã‚‚ã“ã‚Œã€4.00ã‹ã‚‰ãšã£ã¨ã“ã®ã¾ã¾ã 。ã‹ã‚Œã“ã‚Œ2å¹´ãらㄠexperimental ãªã‚“ã§ã™ãŒw Catalyst::Wiki ã«æ›¸ã„ã¦æ¥ã¡ã‚ƒã£ãŸã‘ã©w ã“ã“ã‹ã‚‰å…ƒã®å†…容 lyokato ã•ã‚“経由㧠woremacx ã•ã‚“ã«æ•™ãˆã¦ã‚‚らã£ãŸ Using Unicode - Catalyst::Wiki ã«æ›¸ã„
[DBIx::Class][Perl] Cache::Memcached 㨠DBIx::Class - cyberlib.enterbrainz.com
[DBIx::Class] [Perl] Cache::Memcached (Cache::FileCache,Catalyst::Plugin::Cache::Memcachedã‚‚) ã¯ã‚ªãƒ–ジェクトãŒã‚ャッシュã§ãる。ã¨ã¦ã‚‚便利。 ã§ã‚‚DBIx::Classã®ã‚ªãƒ–ジェクトã¯ã€ã‚ャッシュã§ããªã„ã“ã¨ãŒã‚る。 サンプル： #!/usr/bin/perl use strict; use Cache::Memcached; use TestDB; my $memd = new Cache::Memcached {'servers' => [ "127.0.0.1:11211" ]}; my $schema = TestDB->connect("dbi:mysql:testdb;localhost",'user','password'); #OK pattern
DBIx::Class::Cursor::Cached
NAME DBIx::Class::Cursor::Cached - cursor class with built-in caching support SYNOPSIS my $schema = SchemaClass->connect( $dsn, $user, $pass, { cursor_class => 'DBIx::Class::Cursor::Cached' } ); $schema->default_resultset_attributes({ cache_object => Cache::FileCache->new({ namespace => 'SchemaClass' }), }); my $rs = $schema->resultset('CD')->search(undef, { cache_for => 300 }); my @cds = $rs->all
[DBIx::Class] DBICã§LEFT JOIN - cyberlib.enterbrainz.com
[DBIx::Class] from アトリビュートを使用ã™ã‚‹ã€‚ http://search.cpan.org/~ash/DBIx-Class-0.08008/lib/DBIx/Class/ResultSet.pm#from belongs_to を使用ã—ã¦ãƒªãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã—ã¦ã„る㨠普通㮠join (INNER JOIN) ã¨ãªã‚‹ã€‚ å ´åˆã«ã‚ˆã£ã¦ã€left join を使用ã—ãªã‘ã‚Œã°ãªã‚‰ãªã„時〠以下ã®ã‚ˆã†ã« from アトリビュートを使用ã™ã‚‹ã€‚ my $it = $schema->resultset('Goods')->search( { 'stock.quantity' => {is => undef}, }, { columns => [qw/goods_id/], from => [ { me => 'goods' }, #ã“ã“ã§
mizzy.org : DBIx::Class ã®ã‚«ã‚¹ã‚¿ãƒ JOIN ã§ã¯ã¾ã‚‹
DBIx::Class ã®ã‚«ã‚¹ã‚¿ãƒ JOIN ã§ã¯ã¾ã‚‹ Posted by Gosuke Miyashita Mon, 27 Mar 2006 03:42:25 GMT DBIx::Class::ResultSet ã® from メソッドã®èª¬æ˜Ž ã«ã—ãŸãŒã£ã¦ã€ã‚«ã‚¹ã‚¿ãƒ JOIN を試ã¿ã‚‹ã‚‚ã®ã®ã€ã©ã†ã—ã¦ã‚‚ join type ãŒæŒ‡å®šã§ããªã„ã€ã¨ã„ã†ç¾è±¡ã«ã¯ã¾ã‚‹ã€‚ ドã‚ュメント上ã§ã¯ -join-type => 'inner|left|right' ã£ã¦æ›¸ã„ã¦ã‚ã£ã¦ã€ã“ã®é€šã‚Šã«è¨˜è¿°ã—ã¦ã‚‹ã®ã«ã€å…¨ç„¶æŒ‡å®šé€šã‚Šã® JOIN ãŒã§ããªã„。ã§ã€è‰²ã€…ソース眺ã‚ã¦ãŸã‚‰ã€DBIx::Class::ResultSource ã®ã‚½ãƒ¼ã‚¹ã«ã“ã‚“ãªè¨˜è¿°ãŒã€‚ return [ { $as => $self->related_source($join)->from, -join_type => $type } $sel
カエルãƒãƒ¥ã‚¦ã‚¤ãƒ›ã‚¦ - DBICã®Singleメソッド
DBICã®Singleメソッド ã¨ã„ã†ã‹ã€findã¨ã®é•ã„ãŒã„ã¾ã„ã¡ã€‚searchã¯åˆ†ã‹ã‚‹ã®ã§ã„ã„ã¨ã—ã¦ã€ DBIx::Class::ResultSet - Responsible for fetching and creating resultset. - search.cpan.org Inflates the first result without creating a cursor if the resultset has any records in it; if not returns nothing. Used by "find" as an optimisation. カーソルを作らãšã«æœ€åˆã®çµæžœã‚’インフレートã™ã‚‹ã€ãŸã ã—çµæžœãŒãªã„å ´åˆã¯ãªã«ã‚‚è¿”ã•ãªã„。 ã˜ã‚ƒãã€findã£ã¦ä½•ï¼Ÿã£ã¦ã“ã¨ã«ãªã‚‹ã‚ã‘ã ãŒã€‚ findã£ã¦ä¸»ã‚ーã‹ã‚‰æŽ¢ã™ã¨ãã«ã—ã‹ä½¿ã£ã¦ãªã‹ã£ãŸã‘ã©ã€ãƒ¦ãƒ‹ãƒ¼ã‚¯åˆ¶ç´„
DBIx::Class::ResultSet
abraxxa: Alexander Hartmaier acca: Alexander Kuznetsov acme: Leon Brocard aherzog: Adam Herzog Alexander Keusch alexrj: Alessandro Ranellucci alnewkirk: Al Newkirk Altreus: Alastair McGowan-Douglas amiri: Amiri Barksdale amoore: Andrew Moore Andrew Mehta andrewalker: Andre Walker andyg: Andy Grundman ank: Andres Kievsky arc: Aaron Crane arcanez: Justin Hunter ash: Ash Berlin bert: Norbert Csongrád
datetime åž‹ãªã‚«ãƒ©ãƒ を日付ã§æ¤œç´¢ - åƒ•ãƒˆäº‘ãƒ•äº‹ï¼ ã¯ã¦ãªå‡ºå¼µç‰ˆ
今ã¾ã§ datetime ãªã‚«ãƒ©ãƒ ã®æ¤œç´¢ã¯ $schema->resultset('Entries')->search( { created_on => { '>=' => $day_start, '<=' => $day_end, } } ); ã¨ã‹ã—ã¦ã¦ã€ã„ã¡ã„ã¡ 00:00:00 〜 23:59:59 ã¾ã§ç”¨æ„ã—ã¦ã‚ã’ã¦ãŸã‚“ã ã‘ã©ã€éš£ã®äººã«èžã‹ã‚Œã¦ã€SQL ã ã£ãŸã‚‰ select * from entries where date(created_on) = '2008-08-21'; ã“ã†æ›¸ãよãªãã€DBIC ã ã¨ã©ã†æ›¸ã‘ã°ã€ã¨ã‹æ€ã£ã¦ $schema->resultset('Entries')->search( { 'date(created_on)' => $day, } ); ã“ã†æ›¸ã„ãŸã‚‰ã§ã㟠>_
DBICã§æœ¬å½“ã«å›°ã£ãŸã‚‰ SCALAR REFERNCE を使㈠- daily dayflower
追記 2006/12/06 下記㧠IS NOT NULL を実ç¾ã™ã‚‹ã®ã«ã‚¹ã‚«ãƒ©ãƒ¼ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚’使用ã—ã¦ã„ã¾ã™ãŒï¼ŒIS NULL / IS NOT NULL を出ã™ãŸã‚ã«ã¯å¿…ãšã—もスカラーリファレンスを利用ã™ã‚‹å¿…è¦ã¯ã‚ã‚Šã¾ã›ã‚“。ã¨ã„ã†ã“ã¨ã§è¨‚æ£ã‚’入れよã†ã¨æ€ã£ãŸã‚“ã§ã™ãŒã¡ã‚‡ã£ã¨é•·ã„ã®ã§ã€Œãƒ•ã‚©ãƒãƒ¼ã‚¢ãƒƒãƒ—記事ã€ã‚’書ãã¾ã—ãŸã€‚ 本題 typester ã•ã‚“ã«ä»¥å‰æ•™ãˆã¦é ‚ã„ãŸã‚“ã§ã™ãŒï¼Œä¼¼ãŸã‚ˆã†ãªã“ã¨ã«ä»Šæ—¥éé‡ã—ãŸã®ã§ãƒ¡ãƒ¢ã€‚ WHERE field1 IS NOT NULL ãªæ¤œç´¢ã‚’ã—よã†ã¨æ€ã£ã¦ï¼Œ $resultset->search({ field1 => 'IS NOT NULL' });ã¨æ›¸ãã¨ï¼Œå†…部的ã«ã¯ SELECT ... WHERE field1 = ?ã¨å±•é–‹ã•ã‚Œã¦ï¼Œãƒ—レースホルダã«ã€ŒIS NOT NULLã€ãŒæ¸¡ã•ã‚Œã‚‹ã®ã§ï¼Œãƒãƒ„。 $resultset->search({ field
bulk insertã§ã„ã‚ã„ã‚ã¯ã¾ã‚Šã¯ã¾ã‚Šã€‚ - 月日ã¯ç™¾ä»£ã®éŽå®¢ã«ã—ã¦
DBICã§bulk insertã—よã†ã¨æ€ã£ã¦ãƒãƒžãƒƒãŸã‚ã‘ã§ã™ã€‚insert into hoge values(1,1) (1,2)ã¿ãŸã„ãªã“ã¨ã‚’DBICã§ã‚„ã‚ŠãŸã„訳ã§ã™ã€‚ ã¯ã¾ã£ãŸä¸€å€‹ç›®ã€‚populateã®context。DBIx::Class::ResultSetより Pass an arrayref of hashrefs. Each hashref should be a structure suitable for submitting to a $resultset->create(...) method. In void context, insert_bulk in DBIx::Class::Storage::DBI is used to insert the data, as this is a faster method. ã¨æ›¸ã„ã¦ã‚る通りã€contextãŒlistã‹v
Class::Accessor::Grouped - æ—¥å‘å¤ç‰¹æ®Šå¿œæ´éƒ¨éšŠ
Class::Accessor::Groupedã¯DBIx::Classã®è¦ªã‚¯ãƒ©ã‚¹ã®ä¸€ã¤ã§ã™ã€‚*1 DBIx::Classã‚’ç†è§£ã™ã‚‹ä¸Šã§é¿ã‘ã‚Œãªã„ã®ã§èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ è¦ç´„ ç°¡å˜ã«è¨€ãˆã°ã‚るクラスã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãŒä»–ã®ã‚¯ãƒ©ã‚¹ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚’æŒã¤ã‚ˆã†ãªå ´åˆã«ã€ãã®ä»–ã®ã‚¯ãƒ©ã‚¹ã®ã‚¢ã‚¯ã‚»ã‚µã¸ã®ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆã‚’ç°¡å˜ã«ä½œã‚‹ç‚ºã®ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã¨è¨€ãˆã¾ã™ã€‚ 具体的ã«è¨€ã†ã¨ã€ Foo::Bã¨è¨€ã†ã‚¯ãƒ©ã‚¹ã¯a1, a2, a3ã¨è¨€ã†ã‚¢ã‚¯ã‚»ã‚µã‚’æŒã¤ Foo::Aã¯Foo::Bをアクセサã«æŒã¡ã¤ã¤ã€Foo::Bã®ã‚¢ã‚¯ã‚»ã‚µa1, a2, a3ã¸ç›´æŽ¥ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹ã‚¢ã‚¯ã‚»ã‚µã‚‚æŒã¤ ã¿ãŸã„ãªã‚±ãƒ¼ã‚¹ã§ä½¿ãˆã¾ã™ã€‚ 使ã„æ–¹ make_group_accessors()ã§ãƒ©ãƒ™ãƒ«ã¨ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆãƒ¡ã‚½ãƒƒãƒ‰ã‚’登録ã™ã‚‹ set_component_class()ã§ãƒ©ãƒ™ãƒ«ã«å¯¾ã—ã¦ã‚ªãƒ–ジェクトをçªã£è¾¼ã‚€(ã“ã®å ´åˆã¯Foo::B, インスタンスを$bã
2008/01/23 - memo - unknownplace.org
DBICã§è«–ç†å‰Šé™¤ã‚’ã—ãŸããªã£ãŸã®ã§èª¿ã¹ã¦ã„ãŸã®ã ãŒã€ã†ã¾ã書ã方法ãŒã‚¤ãƒžã‚¤ãƒãªã‹ã£ãŸã€‚ ã¾ãšã€å‰Šé™¤ãƒ•ãƒ©ã‚°ã‚’常ã«ãƒã‚§ãƒƒã‚¯ã™ã‚‹ã‚ˆã†ã«ã™ã‚‹ã®ã¯ç°¡å˜ã§ã€ãƒ†ãƒ¼ãƒ–ルクラス㫠__PACKAGE__->resultset_attributes({ where => { deleted => undef }}); ã¨ã‹æ›¸ã„ã¦ãã ã‘ã§ã¤ãã«WHEREå¥ã« deleted IS NOT NULL ãŒå…¥ã‚‹ã‚ˆã†ã«ãªã‚‹ã€‚ã“ã‚Œã¯ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã«æ›¸ã„ã¦ã‚る通り。 å•é¡Œã¯å‰Šé™¤ã™ã‚‹ã¨ãã§ã€ãƒ†ãƒ¼ãƒ–ルクラス㧠delete 定義ã—ã¦ãã“㧠update({ deleted => 1 }) ã¨ã‹ã‚„ã‚Œã°ã„ã„ã‹ãªã¨æ€ã„ãã‚„ã€ãã†ã™ã‚‹ã¨ cascade delete 効ã‹ãªããªã£ã¦ã—ã¾ã£ã¦ã„ã‚„ã 。 DBICã®rowã«å¯¾ã™ã‚‹deleteãƒã‚§ãƒ¼ãƒ³ã¯å¤§ã¾ã‹ã« ユーザー定義テーブルクラスã§ã®delete (定義ã•ã‚Œã¦ã‚‹å ´åˆ)DBIx::Clas
O/Rマッパ DBIx::Class - end0tknr's kipple - web写経開発
2014/12/20 追記 DBIx::Classã®selectç‰ã®ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã¯ã€æ¬¡ã®urlãŒåˆ†ã‹ã‚Šã‚„ã™ã„ã§ã™ http://yanor.net/wiki/?Perl-DBIC O/Rマッパã¨ã¯ã€Object-Relational マッパã®ç•¥ç§°ã®ã‚ˆã†ã§ã™ãŒã€ä»Šå›žã¯perl用orマッパã®ä¸€ã¤ã§ã‚ã‚‹DBIx::Classを試ã—ã¦ã¿ã¾ã™ã€‚ perl用ã®orマッパã«ã¯ã€Class::DBI ã‚‚ã‚ã‚Šã¾ã™ãŒã€DBIx::Classã¯ã€Class::DBIをインスパイアã—ã¦ä½œæˆã•ã‚ŒãŸãã†ã§ã™ã€‚ ã¾ãŸã€Class::DBI ã‚’ CDBI〠DBIx::Class ã‚’ DBIC ã¨ç•¥ã™ãã†ã§ã™ã€‚ WEB+DB PRESS Vol.36 ã® Recent Perl World ã«è¨˜äº‹ãŒè¨˜è¼‰ã•ã‚Œã¦ã„ãŸã®ã§ã€è¨˜äº‹ã«æ²¿ã£ã¦ã€CLI (コマンドラインインタフェース) ã® bookmark アプリを作りã¾ã™ã€‚ ã¨æ›¸ã
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