method

remove_index

Ruby on Rails latest stable (v5.2.3) - 0 notes - Class: ActiveRecord::ConnectionAdapters::SchemaStatements

remove_index(table_name, options = {}) public

Removes the given index from the table.

Removes the index on branch_id in the accounts table if exactly one such index exists.

remove_index :accounts, :branch_id

Removes the index on branch_id in the accounts table if exactly one such index exists.

remove_index :accounts, column: :branch_id

Removes the index on branch_id and party_id in the accounts table if exactly one such index exists.

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

Removes 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 786
      def remove_index(table_name, options = {})
        index_name = index_name_for_remove(table_name, options)
        execute "DROP INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)}"
      end

remove_index

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