Why Google in IOSched is not using it? On Fri, Jun 10, 2011 at 11:27 AM, Nikolay Elenkov <nikolay.elen...@gmail.com > wrote:
> On Fri, Jun 10, 2011 at 5:24 PM, Emanuele Ricci <ste...@gmail.com> wrote: > > Ok I solved it: > > > > SELECT posts.post_id, posts.post_title, > > GROUP_CONCAT(categories.category_name) AS categories_name, > > GROUP_CONCAT(categories.category_id) AS categories_id, > > GROUP_CONCAT(tags.tag_id) AS tags_id, GROUP_CONCAT(tags.tag_name) AS > > tags_name FROM posts LEFT OUTER JOIN posts_categories ON > > posts_categories.post_id=posts.post_id LEFT OUTER JOIN categories ON > > posts_categories.category_id=categories.category_id LEFT OUTER JOIN > > posts_tags ON posts_tags.post_id=posts.post_id LEFT OUTER JOIN tags ON > > posts_tags.tag_id=tags.tag_id GROUP BY posts.post_id; > > > > Thank you very much for the hint of GROUP_CONCAT!!! > > > > Anyway I always think that Android need something to bind Object to DB > like > > in web frameworks :) > > > > Of course, such a thing exists :) But if you don't understand how SQL > works, you still might not get good results. > > http://ormlite.com/sqlite_java_android_orm.shtml > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
