instance method index_name_exists?

Ruby on Rails 5.1.7

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.11.3 v5.0.7.2 v5.1.7 v5.2.8.1 v6.0.6.1 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3.2 v8.0.5.1 v8.1.3.1 edge

Signature

index_name_exists?(table_name, index_name, default = nil)

Verifies the existence of an index with a given name.

Parameters

table_name req
index_name req
default opt = nil
Source
# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 782
      def index_name_exists?(table_name, index_name, default = nil)
        unless default.nil?
          ActiveSupport::Deprecation.warn(<<-MSG.squish)
            Passing default to #index_name_exists? is deprecated without replacement.
          MSG
        end
        index_name = index_name.to_s
        indexes(table_name).detect { |i| i.name == index_name }
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb line 782 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::SchemaStatements

Type at least 2 characters to search.

Use the arrow keys to navigate results, Enter to open one, Escape to close.

Keyboard shortcuts

/
Focus search
⌘K / Ctrl-K
Command palette
?
This help
Esc
Close