method

remove_index

v3.0.0 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::SchemaStatements

remove_index(table_name, options = {}) public

Remove the given index from the table.

Remove the suppliers_name_index in the suppliers table.

  remove_index :suppliers, :name

Remove the index named accounts_branch_id_index in the accounts table.

  remove_index :accounts, :column => :branch_id

Remove the index named accounts_branch_id_party_id_index in the accounts table.

  remove_index :accounts, :column => [:branch_id, :party_id]

Remove the index named by_branch_party in the accounts table.

  remove_index :accounts, :name => :by_branch_party

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 365
      def remove_index(table_name, options = {})
        index_name = index_name(table_name, options)
        unless index_name_exists?(table_name, index_name, true)
          @logger.warn("Index name '#{index_name}' on table '#{table_name}' does not exist. Skipping.")
          return
        end
        remove_index!(table_name, index_name)
      end

remove_index

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