Raised when a foreign key constraint cannot be added because the column type does not match the referenced column type.
Methods
- N
Class Public methods
new(adapter = nil, message: nil, table: nil, foreign_key: nil, target_table: nil, primary_key: nil)
Link
# File activerecord/lib/active_record/errors.rb, line 118 def initialize(adapter = nil, message: nil, table: nil, foreign_key: nil, target_table: nil, primary_key: nil) @adapter = adapter if table msg = " Column `#{foreign_key}` on table `#{table}` has a type of `#{column_type(table, foreign_key)}`. This does not match column `#{primary_key}` on `#{target_table}`, which has type `#{column_type(target_table, primary_key)}`. To resolve this issue, change the type of the `#{foreign_key}` column on `#{table}` to be :integer. (For example `t.integer #{foreign_key}`). ".strip_heredoc else msg = <<-EOM There is a mismatch between the foreign key and primary key column types. Verify that the foreign key column type and the primary key of the associated table match types. EOM end if message msg << "\nOriginal message: #{message}" end super(msg) end