search for: selectmanager

Displaying 4 results from an estimated 4 matches for "selectmanager".

2011 May 11
2
Issue with Arel::SelectManager and insert Method
Hello, Arel::SelectManager (arel 2.0.9) uses following statement to insert a new record: @engine.connection.insert im.to_sql, ''AREL'', primary_key_name, primary_key_value But in DatabaseStatements insert ist defined as: insert(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil) Actually, Ar...
2012 Sep 19
0
How to copy model with arel_table instance
Hi all I want to make copy of current scoped object, then change some stuff in arel_table(i need to change table_alias, because i have complicated query) and arel(SelectManager) def self.do_smth query = scoped.dup puts query.arel_table.object_id == scoped.arel_table.object_id # true end Theoretically i can dup arel(SelectManager) but i can not find how to add table alias to that instance If i do this with scoped.dup then i get error, because i changed table_alia...
2012 Mar 13
2
[Arel]Building query, but can't get a proper output
I have the following code: advertisements_arel = Advertisement.order("advertisements.id DESC").arel @advertisements = (params[:website_id].present? ? advertisements_arel.where(:website_id => params[:website_id]) : advertisements_arel).to_a It returns a struct Arel::SelectManager::Row data But I''d like it to return an array of Advertisement objects (like it would normally do) so I can iterate over it more easily. Anyone know how to do that? -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups &qu...
2011 Jun 04
0
Rails 3.1 : Complex database query with Arel 2
Hi, I''ve search for documentations on queries with Arel 2 but there is pretty nothing and all I''ve found is for Arel 1 so I''ve run into NoMethodError: undefined method `[]'' for #<Arel::SelectManager:0x00000003f1b820> errors with join syntax. My query is barely simple but involve nesting queries. I have 4 tables. Assets, Deposits, Orders and OrderLines and I want to get asset name, the stock, the quantity that is ordered and the difference between the two previous. I''ve manage to...