instance method `remove_index`

Ruby on Rails 4.2.9

Since v2.2.3

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

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remove_index(options = {})

Removes the given index from the table.

Remove the index_table_name_on_column in the table_name table

t.remove_index :column

Remove the index named index_table_name_on_branch_id in the table_name table

t.remove_index column: :branch_id

Remove the index named index_table_name_on_branch_id_and_party_id in the table_name table

t.remove_index column: [:branch_id, :party_id]

Remove the index named by_branch_party in the table_name table

t.remove_index name: :by_branch_party

Parameters

options opt = {}

Source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 518
      def remove_index(options = {})
        @base.remove_index(name, options)
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb line 518 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::Table

Signature

Remove the index_table_name_on_column in the table_name table

Remove the index named index_table_name_on_branch_id in the table_name table

Remove the index named index_table_name_on_branch_id_and_party_id in the table_name table

Remove the index named by_branch_party in the table_name table

Parameters