{"image_url":null,"url":"https://eiji8pou.hatenadiary.com/entry/20071014/1192334491","title":"Class-DBI\u3067\u9023\u9396\u7684\u306b\u30ab\u30e9\u30e0\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5","provider_url":"https://hatena.blog","version":"1.0","author_name":"eiji8pou","published":"2007-10-14 13:01:31","width":"100%","provider_name":"Hatena Blog","height":"190","blog_title":"eiji8pou's diary","categories":["Perl"],"type":"rich","blog_url":"https://eiji8pou.hatenadiary.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Feiji8pou.hatenadiary.com%2Fentry%2F20071014%2F1192334491\" title=\"Class-DBI\u3067\u9023\u9396\u7684\u306b\u30ab\u30e9\u30e0\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5 - eiji8pou&#39;s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/eiji8pou/","description":"\u3042\u308b\u30ab\u30e9\u30e0\u306b\u5024\u3092\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3001\u4ed6\u306e\u30ab\u30e9\u30e0\u304c\u305d\u308c\u306b\u8ffd\u968f\u3057\u3066\u81ea\u52d5\u7684\u306b\u5909\u66f4\u3055\u308c\u308b\u65b9\u6cd5\u3002 \u7d50\u8ad6\u304b\u3089\u8a00\u3048\u3070\u3001add_trigger\u3092\u4f7f\u3046\u3002 # column\u306e\u90e8\u5206\u306b\u30ab\u30e9\u30e0\u540d\u304c\u5165\u308b\u3002 __PACKAGE__->add_trigger( after_set_column=>\\&for_after_set_column ); sub for_after_set_column { my $self = shift; my $value = $self->get('column'); # \u5024\u3092\u52a0\u5de5\u3059\u308b\u3002 $self->another_column($value); # \u4ed6\u306e\u30ab\u30e9\u30e0\u306b\u52a0\u5de5\u3057\u305f\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3002 } \u79c1\u306f\u2026"}