Created
July 23, 2011 10:04
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An ActiveRecord emulating Tableless model which works with Rails 3.1
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class Tableless < ActiveRecord::Base | |
def self.column(name, sql_type = nil, default = nil, null = true) | |
columns << ActiveRecord::ConnectionAdapters::Column.new( name.to_s, default, sql_type.to_s, null ) | |
end | |
def self.columns() | |
@columns ||= []; | |
end | |
def self.columns_hash | |
h = {} | |
for c in self.columns | |
h[c.name] = c | |
end | |
return h | |
end | |
def self.column_defaults | |
Hash[self.columns.map{ |col| | |
[col.name, col.default] | |
}] | |
end | |
def self.descends_from_active_record? | |
return true | |
end | |
def persisted? | |
return false | |
end | |
# override the save method to prevent exceptions | |
def save( validate = true ) | |
validate ? valid? : true | |
end | |
end |
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Thanks for this gist, I made this demo with it: https://github.com/stevemartin/tableless_form