method

change_column_comment

v7.0.0 - Show latest stable - 0 notes - Class: SchemaStatements

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0
3.0.9
3.1.0
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8
4.2.1
4.2.7
4.2.9
5.0.0.1 (0)
5.1.7 (0)
5.2.3 (0)
6.0.0 (0)
6.1.3.1 (0)
6.1.7.7 (0)
7.0.0 (0)
7.1.3.2 (0)
7.1.3.4 (0)
What's this?

change_column_comment(table_name, column_name, comment_or_changes) public

Adds comment for given table column or drops it if comment is a nil

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, line 424
        def change_column_comment(table_name, column_name, comment_or_changes) # :nodoc:
          clear_cache!
          comment = extract_new_comment_value(comment_or_changes)
          execute "COMMENT ON COLUMN #{quote_table_name(table_name)}.#{quote_column_name(column_name)} IS #{quote(comment)}"
        end

change_column_comment

Related methods