method

change_column_comment

v7.0.0 - Show latest stable - Class: ActiveRecord::ConnectionAdapters::SchemaStatements

change_column_comment(table_name, column_name, comment_or_changes)

public

Changes the comment for a column or removes it if nil.

Passing a hash containing :from and :to will make this change reversible in migration:

change_column_comment(:posts, :state, from: "old_comment", to: "new_comment")

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 1398
      def change_column_comment(table_name, column_name, comment_or_changes)
        raise NotImplementedError, "#{self.class} does not support changing column comments"
      end

change_column_comment

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