method

change_column

Ruby on Rails latest stable (v7.1.3.2) - 2 notes - Class: ActiveRecord::ConnectionAdapters::PostgreSQLAdapter

1.0.0
1.1.6
1.2.6
2.0.3 (0)
2.1.0 (0)
2.2.1 (0)
2.3.8 (0)
3.0.0 (0)
3.0.9 (-4)
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3.2.1 (0)
3.2.8 (0)
3.2.13 (0)
4.0.2
4.1.8
4.2.1
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6.1.3.1
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7.0.0
7.1.3.2
7.1.3.4
What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v3.2.13) is shown here.

These similar methods exist in v7.1.3.2:

change_column(table_name, column_name, type, options = {}) public

Changes the column of a table.

Show source

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 1026
      def change_column(table_name, column_name, type, options = {})
        clear_cache!
        quoted_table_name = quote_table_name(table_name)

        execute "ALTER TABLE #{quoted_table_name} ALTER COLUMN #{quote_column_name(column_name)} TYPE #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"

        change_column_default(table_name, column_name, options[:default]) if options_include_default?(options)
        change_column_null(table_name, column_name, options[:null], options[:default]) if options.key?(:null)
      end

July 8, 2009

1 thank

Change Column.

Into your migration write the follow:

Using Exemple

def self.up
  change_column :yourtable, :your_field, :your_type_field
end

July 8, 2009

0 thanks

Change Column. pt-br

Em sua migration escreva da seguinte forma:

Exemplo de uso.

def self.up
  change_column :sua_tabela, :seu_campo, :seu_tipo_campo
end