Just in case somebody is facing this issue as well...
It seems that ActiveRecord is not handling oracle nvarchar2 column
types correctly.
If somebody is facing my issue: Please find beloa the code for a fix
Many thanks to the oci adapter engineer who did the main work for it.
module ActiveRecord
module ConnectionAdapters #:nodoc:
class OracleColumn < Column #:nodoc:
attr_reader :nchar
def initialize(name, default, sql_type, null)
super
@nchar = (@type == :string && sql_type[0,1] == 'N')
end
end
class OracleAdapter < AbstractAdapter
def quote(value, column = nil) #:nodoc:
if value && column && [:text, :binary].include?(column.type)
%Q{empty_#{ column.sql_type.downcase rescue 'blob' }()}
elsif value && column && column.nchar
'N' + super
else
super
end
end
end
end
end
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