Displaying 1 result from an estimated 1 matches for "top_struct".
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map_struct
2009 Mar 10
5
'unknow column error' when using include and associated table condition in find
...Structure
id:int
ref_id:string
meta_id:int
Lexeme can have many structure records through foreign key ''ref_id'' in
the structures table.
And these structure records belonging to one lexeme differs between
each other using meta_id.
And if Lexeme has structures, then there must be a top_struct whose
structure.id is 0.
This is the association I specified.
class Lexeme
has_one :top_struct, :class=>''Structure'', :foreign_key=>''ref_id'', :conditions=>''structures.meta_id=0''
has_many: all_structs, :class=>''Structure&...