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class ActiveRecord::MismatchedForeignKey

Raised when a foreign key constraint cannot be added because the column type does not match the referenced column type.

Inherits From

Public class methods

Source code GitHub
# File activerecord/lib/active_record/errors.rb, line 239
    def initialize(
      message: nil,
      sql: nil,
      binds: nil,
      table: nil,
      foreign_key: nil,
      target_table: nil,
      primary_key: nil,
      primary_key_column: nil,
      query_parser: nil,
      connection_pool: nil
    )
      @original_message = message
      @query_parser = query_parser

      if table
        type = primary_key_column.bigint? ? :bigint : primary_key_column.type
        msg = <<~EOM.squish
          Column `#{foreign_key}` on table `#{table}` does not match column `#{primary_key}` on `#{target_table}`,
          which has type `#{primary_key_column.sql_type}`.
          To resolve this issue, change the type of the `#{foreign_key}` column on `#{table}` to be :#{type}.
          (For example `t.#{type} :#{foreign_key}`).
        EOM
      else
        msg = <<~EOM.squish
          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, sql: sql, binds: binds, connection_pool: connection_pool)
    end

Public instance methods

Source code GitHub
# File activerecord/lib/active_record/errors.rb, line 275
def set_query(sql, binds)
  if @query_parser && !@sql
    self.class.new(
      message: @original_message,
      sql: sql,
      binds: binds,
      connection_pool: @connection_pool,
      **@query_parser.call(sql)
    ).tap do |exception|
      exception.set_backtrace backtrace
    end
  else
    super
  end
end

Definition files